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Institute
- Fakultät WiSo (201)
- Fakultät AuL (170)
- Fakultät IuI (24)
- Institut für Management und Technik (21)
- Institut für Duale Studiengänge (12)
- Institut für Kommunikationsmanagement (2)
Work–life balance is one of the challenges of a globalized world. The study described in this chapter aimed to identify the factors influencing the work–life balance of working mothers. Additionally, we will describe differences and similarities between the well-being and working styles of German and US-American working mothers. It is particularly difficult for mothers to be successful, because to do so, they must master the double burden of work and family. In this study, 320 working mothers were surveyed, 142 in Germany and 178 in the USA. It was found that the cultural concepts of work–life balance of these working mothers are comparable. Furthermore, differences in working styles were identified: US-Americans valued both well-being and work–life balance more strongly than Germans. In both cultures, younger mothers felt more burdened by work than older mothers. This may indicate that competences are learned with an increasing age, enabling a more successful mastery of challenges, even though an increasing age usually has a negative effect on health. The number of children, family status and education did not influence work–life balance. These findings are further discussed in this chapter.
Background: We see a growing number of older adults receiving long-term care in industrialized countries. The Healthcare Utilization Model by Andersen suggests that individual need characteristics influence utilization. The purpose of this study is to analyze correlations between need characteristics and service utilization in home care arrangements.
Methods: 1,152 respondents answered the questionnaire regarding their integration of services in their current and future care arrangements. Care recipients with high long-term care needs answered the questionnaire on their own, the family caregiver assisted the care recipient in answering the questions, or the family caregiver responded to the questionnaire on behalf of the care recipient. They were asked to rank specific needs according to their situation. We used descriptive statistics and regression analysis.
Results: Respondents are widely informed about services. Nursing services and counseling are the most used services. Short-term care and guidance and training have a high potential for future use. Day care, self-help groups, and mobile services were the most frequently rejected services in our survey. Women use more services than men and with rising age utilization increases. Long waiting times and bad health of the primary caregiver increases the chance of integrating services into the home care arrangements.
Conclusion: The primary family caregiver has a high impact on service utilization. This indicates that the whole family should be approached when offering services. Professionals should react upon the specific needs of care dependents and their families.
Reduzierung im Außer-Haus-Verzehr zu erleichtern, analysiert unsere Studie die Auswirkungen von zwei gängigen Interventionsstrategien zur Reduzierung von Speiseresten in einem ganzheitlichen Verhaltensmodell. Auf der Grundlage eines quasi-experimentellen Baseline-Interventions-Designs haben wir in einem Strukturgleichungsmodell untersucht, wie sich das Aushängen von Informationspostern und die Reduzierung von Portionsgrößen auf persönliche, soziale und umweltbezogene Faktoren auswirken. Anhand von Daten aus Online-Befragungen und Beobachtungen von 880 Gästen (503 Baseline, 377 Intervention) während zwei Wochen in einer Universitätsmensa erlaubt das vorgeschlagene Modell, die Effekte der beiden Interventionen auf die Tellerreste spezifischen Veränderungen von Verhaltensdeterminanten zuzuordnen. Es hat sich gezeigt, dass die Verringerung der Portionsgröße bei den Zielgerichten mit einer geringeren Menge an Tellerabfällen zusammenhängt, die auf bewusster Wahrnehmung, die sich in einer geringeren Bewertung der Portionsgröße ausdrückt. Die Auswirkungen des Sehens von Informationsplakaten auf veränderten persönlichen Einstellungen, subjektiven Normen und wahrgenommener Verhaltenskontrolle beruhen. Je nachdem, wie eine Person auf die Information reagiert (indem sie sich nur bemüht, alle Speisen aufzuessen, oder indem sie sich bemüht und zusätzlich ein anderes Gericht in der Kantine wählt), ergeben sich jedoch entgegengesetzte Auswirkungen auf diese Determinanten und folglich auch auf die Tellerreste. Insgesamt sprechen die differenzierten Ergebnisse zu den Interventionseffekten dafür, dass ganzheitlichere und tiefer gehende Analysen von Interventionen zur Reduktion von Essensresten und damit zu einem nachhaltigeren Lebensmittelkonsum in der Außer-Haus-Verpflegung beitragen können.
What determines ingredient awareness of consumers? : A study on ten functional food ingredients
(2014)
Given the importance of consumer awareness of functional food ingredients for healthy food choices, the aim of this study is to explore consumers’ ingredient awareness and the determinants which influence the awareness about functional food ingredients.
A sample of 200 German consumers was interviewed via CATI (computer aided telephone interview) during September 2011. The participants have been asked about their specific awareness regarding to ten functional food ingredients. Likewise, determinants like health status and health motivation have been assessed and their influence on the construct “consumers’ ingredient awareness” has been tested by employing structural equation modeling.
The study shows that consumers’ ingredient awareness varies throughout the sample. Overall it can be stated, that 19% of consumer awareness about functional food ingredients is explained through the described model based on the following predictors: age, educational level, health status, health motivation and information strategies. Among these factors, consumers’ health motivation seems to have the highest relevance to explain consumer awareness. But also the determinants information strategies as well as the education show a significant influence on consumers’ ingredient awareness. As health motivation shows the highest impact on consumers’ ingredient awareness this study underlines the importance of prevention propensity for healthy food choices.
Objectives: eHealth and innovation are often regarded as synonyms - not least because eHealth technologies and applications are new to their users. This position paper challenges this view and aims at exploring the nature of eHealth innovation against the background of common definitions of innovation and facts from the biomedical and health informatics literature. A good understanding of what constitutes innovative eHealth developments allows the degree of innovation to be measured and interpreted.
Methods: To this end, relevant biomedical and health informatics literature was searched mainly in Medline and ACM digital library. This paper presents seven facts about implementing and applying new eHealth developments hereby drawing on the experience published in the literature.
Results: The facts are: 1. eHealth innovation is relative. 2. Advanced clinical practice is the yardstick. 3. Only used and usable eHealth technology can give birth to eHealth innovatio. 4. One new single eHealth function does not make a complex eHealth innovation. 5. eHealth innovation is more evolution than revolution. 6. eHealth innovation is often triggered behind the scenes; and 7. There is no eHealth innovation without sociocultural change.
Conclusions: The main conclusion of the seven facts is that eHealth innovations have many ingredients: newness, availability, advanced clinical practice with proven outcomes, use and usability, the supporting environment, other context factors and the stakeholder perspectives. Measuring eHealth innovation is thus a complex matter. To this end we propose the development of a composite score that expresses comprehensively the nature of eHealth innovation and that breaks down its complexity into the three dimensions: i) eHealth adoption, ii) partnership with advanced clinical practice, and iii) use and usability of eHealth. In order to better understand the momentum and mechanisms behind eHealth innovation the fourth dimension, iv) eHealth supporting services and means, needs to be studied. Conceptualising appropriate measurement instruments also requires eHealth innovation to be distinguished from eHealth sophistication, performance and quality, although innovation is intertwined with these concepts. The demanding effort for defining eHealth innovation and measuring it properly seem worthwhile and promise advances in creating better systems. This paper thus intends to stimulate the necessary discussion.
Water retention properties of wood fiber based growing media and their impact on irrigation strategy
(2024)
Distribution of water and air in growing media during ebb-and-flow irrigation depends on water storage properties (water retention curve) and water transport properties (hydraulic conductivity) of the materials. Growing media with their high number of coarse pores are known to exhibit strong hysteresis, i.e., differences in the water retention properties during drying and wetting cycles. To account for potential ecological disadvantages of peat, wood fibers are commonly used as substitutes for peat in growing media. However, the wood fibers generally have higher air capacities and hydraulic conductivities and lower water capacities compared to peat which may results in necessary adaptions of the irrigation strategy. Tools to optimize irrigation systems are physically based water transport models, such as HYDRUS-1D, which is commonly used to describe water transport in soils, but not often for growing media. In this study, white peat and pure wood fibers were used to describe differences in their water retention behavior. Water retention curves (drying cycles) and hydraulic conductivities were measured with standard analytical procedures. Hysteresis of the water retention curves was analytically determined based on their capillary rise properties. The results were used with a modified HYDRUS-1D model to test model quality against measured water contents during ebb-and-flow irrigation cycles and to optimize the irrigation strategy for the different materials. The results showed that the model quality was sufficiently good only if the strong hysteresis of the water retention curves was considered during the simulation process. Different strategies were tested to modify ebb-and-flow irrigation (irrigation frequency, irrigation duration and irrigation height) in that way that the water suction in the root zone was similar to that of the peat material. Simulation results showed that significant improvements could only be reached by increasing the flooding depth in ebb-and-flow systems to ensure an optimum water supply of plants in the wood fiber based growing media.
Climate change is expected to exacerbate the current threats to freshwater ecosystems, yet multifaceted studies on the
potential impacts of climate change on freshwater biodiversity at scales that inform management planning are lacking. The aim of this study was to fill this void through the development of a novel framework for assessing climate
change vulnerability tailored to freshwater ecosystems. The three dimensions of climate change vulnerability are as
follows: (i) exposure to climate change, (ii) sensitivity to altered environmental conditions and (iii) resilience potential.
Our vulnerability framework includes 1685 freshwater species of plants, fishes, molluscs, odonates, amphibians, crayfish and turtles alongside key features within and between catchments, such as topography and connectivity. Several
methodologies were used to combine these dimensions across a variety of future climate change models and scenarios. The resulting indices were overlaid to assess the vulnerability of European freshwater ecosystems at the catchment scale (18 783 catchments). The Balkan Lakes Ohrid and Prespa and Mediterranean islands emerge as most
vulnerable to climate change. For the 2030s, we showed a consensus among the applied methods whereby up to 573
lake and river catchments are highly vulnerable to climate change. The anthropogenic disruption of hydrological
habitat connectivity by dams is the major factor reducing climate change resilience. A gap analysis demonstrated that
the current European protected area network covers <25% of the most vulnerable catchments. Practical steps need to
be taken to ensure the persistence of freshwater biodiversity under climate change. Priority should be placed on
enhancing stakeholder cooperation at the major basin scale towards preventing further degradation of freshwater
ecosystems and maintaining connectivity among catchments. The catchments identified as most vulnerable to climate
change provide preliminary targets for development of climate change conservation management and mitigation
strategies.
Report on visits in hospices located in Osnabrück/Germany and the Saint Cristopher’s Hospice in London/United
Kingdom; and present a discussion about the care mode. Methods: Experience report based on a post-doctoral research period
in Germany between November 2013 and October 2014, funded by the CAPES Foundation (Coordination for the Improvement of
Higher Education Personnel). Results: The structure, operation mode of the institutions and the main labor force were discussed,
especially the nursing staff and volunteers’ participation, the main care activities and challenges. These issues were very similar
at the hospices, highlighting the hospice responsible for spreading this moviment worldwide. Conclusion: The hospice may be
the place of death, but it provides a pleasant environment that preserves the person’s individuality and autonomy. It relies on the
participation of volunteers, dissemination of its idea and training programs, which ensure the strengthening of this movement.
International research on a construct presupposes that the same measurement instruments are implemented in different countries. Only then can the results of the studies be directly compared to one another. We report on a study in which the English-language original of the Organizational Commitment Questionnaire (OCQ) as well as a German-language version of the OCQ was adapted into four further languages (Polish, Hungarian, Spanish, Malay) and validated. The employees of an international company were surveyed in seven countries (USA, Canada, Germany, Poland, Spain, Hungary and Malaysia). For purposes of validation, the job satisfaction, the self-rated job performance and the support of the employees in implementing the company values were used. The results show that the translations proceeded successfully. In all cases, a reliable scale emerges, which correlates positively with the validity criteria.
Background
To offer vaginal birth after cesarean (VBAC) in a hospital setting is recommended in international guidelines, but offering VBAC in out‐of‐hospital settings is considered controversial. This study describes neonatal and maternal outcomes in mothers who started labor in German out‐of‐hospital settings.
Method
In a retrospective analysis of German out‐of‐hospital data from 2005 to 2011, included were 24,545 parae II with a singleton pregnancy in a cephalic presentation at term (1,927 with a prior cesarean and 22,618 with a prior vaginal birth).
Result
The overall VBAC rate was 77.8 percent. The intrapartum transfer rate to hospital was 38.3 percent (prior cesarean) versus 4.6 percent (prior vaginal) (p < 0.05), and the 10‐minute Apgar < 7 rate was 0.6 versus 0.2 percent (p < 0.05), and the nonemergency intrapartum transfer rate was 91.5 versus 85.0 percent (p < 0.05). Prolonged first stage of labor was the most common reason for intrapartum transfer in both groups. The leading reason for postpartum transfer was retained placenta.
Discussion
There was a high rate of successful VBAC in this study. The high nonemergency transfer rate for women with VBAC might mean that midwives are more cautious when attending women with a prior cesarean in out‐of‐hospital settings. Further studies are necessary to evaluate which women are suitable for VBAC in out‐of‐hospital settings.
The development of base metal electrodes that can act as active and stable oxygen generating electrodes in water electrolysis systems, especially at low pH levels, remains a challenge. The use of suspensions as electrolytes for water splitting has until recently been limited to photoelectrocatalytic approaches. A high current density (j=30 mA/cm2) for water electrolysis has been achieved at a very low oxygen evolution reaction (OER) potential (E=1.36 V vs. RHE) using a SnO2/H2SO4 suspension-based electrolyte in combination with a steel anode. More importantly, the high charge-to-oxygen conversion rate (Faraday efficiency of 88% for OER at j=10 mA/cm2 current density). Since cyclic voltammetry (CV) experiments show that oxygen evolution starts at a low, but not exceptionally low, potential, the reason for the low potential in chronoamperometry (CP) tests is an increase in the active electrode area, which has been confirmed by various experiments. For the first time, the addition of a relatively small amount of solids to a clear electrolyte has been shown to significantly reduce the overpotential of the OER in water electrolysis down to the 100 mV region, resulting in a remarkable reduction in anode wear while maintaining a high current density.
Research into positive aspects of the psyche is growing as psychologists learn more about the protective role of positive processes in the development and course of mental disorders, and about their substantial role in promoting mental health. With increasing globalization, there is strong interest in studies examining positive constructs across cultures. To obtain valid cross-cultural comparisons, measurement invariance for the scales assessing positive constructs has to be established. The current study aims to assess the cross-cultural measurement invariance of questionnaires for 6 positive constructs: Social Support (Fydrich, Sommer, Tydecks, & Brähler, 2009), Happiness (Subjective Happiness Scale; Lyubomirsky & Lepper, 1999), Life Satisfaction (Diener, Emmons, Larsen, & Griffin, 1985), Positive Mental Health Scale (Lukat, Margraf, Lutz, van der Veld, & Becker, 2016), Optimism (revised Life Orientation Test [LOT-R]; Scheier, Carver, & Bridges, 1994) and Resilience (Schumacher, Leppert, Gunzelmann, Strauss, & Brähler, 2004). Participants included German (n = 4,453), Russian (n = 3,806), and Chinese (n = 12,524) university students. Confirmatory factor analyses and measurement invariance testing demonstrated at least partial strong measurement invariance for all scales except the LOT-R and Subjective Happiness Scale. The latent mean comparisons of the constructs indicated differences between national groups. Potential methodological and cultural explanations for the intergroup differences are discussed. (PsycINFO Database Record (c) 2019 APA, all rights reserved)
How do companies decide where to locate their manufacturing? This study uses insights from manufacturing company executives collected by means of in-depth interviews with 50 manufacturers in the United Kingdom to develop an understanding of manufacturing location decision making. The findings indicate that companies derive competitive advantage from organizing manufacturing in different ways. Retaining or reshoring manufacturing to a company’s home country can enhance new product development, control of quality, product customization, delivery performance, and cost leadership. On the other hand, companies can enhance new product development, customization, and delivery performance for new markets, if production facilities are offshored to or in proximity to these locations. In addition, some companies use a hybrid approach of offshoring the production of some components or products for cost arbitrage while retaining or reshoring other components or products for advantages from value chain integration. Based on the findings of this study, a set of key manufacturing location questions are developed that should be considered by firms pondering onshore, offshore, reshore, or hybrid manufacturing location decisions.
Background and purpose:
Clinical information logistics is a construct that aims to describe and explain various phenomena of information provision to drive clinical processes. It can be measured by the workflow composite score, an aggregated indicator of the degree of IT support in clinical processes. This study primarily aimed to investigate the yet unknown empirical patterns constituting this construct. The second goal was to derive a data-driven weighting scheme for the constituents of the workflow composite score and to contrast this scheme with a literature based, top-down procedure. This approach should finally test the validity and robustness of the workflow composite score.
Methods:
Based on secondary data from 183 German hospitals, a tiered factor analytic approach (confirmatory and subsequent exploratory factor analysis) was pursued. A weighting scheme, which was based on factor loadings obtained in the analyses, was put into practice.
Results:
We were able to identify five statistically significant factors of clinical information logistics that accounted for 63% of the overall variance. These factors were “flow of data and information”, “mobility”, “clinical decision support and patient safety”, “electronic patient record” and “integration and distribution”. The system of weights derived from the factor loadings resulted in values for the workflow composite score that differed only slightly from the score values that had been previously published based on a top-down approach.
Conclusion:
Our findings give insight into the internal composition of clinical information logistics both in terms of factors and weights. They also allowed us to propose a coherent model of clinical information logistics from a technical perspective that joins empirical findings with theoretical knowledge. Despite the new scheme of weights applied to the calculation of the workflow composite score, the score behaved robustly, which is yet another hint of its validity and therefore its usefulness.
Musicians often suffer from disorders of the musculoskeletal system that are related to their instrument playing. Among the most frequent symptoms are complaints in the shoulder-neck area. Radial shock wave therapy is increasingly used in trigger point treatment, but only few high-level studies have examined of shock wave therapy used together with physical therapy in the treatment of musicians. METHODS: This randomized blinded study in musicians (n = 26) with nonspecific shoulder-neck problems was done to examine the effect of shock wave therapy in addition to current physical therapy on the symptoms and quality of life of the musicians as well as their habits of playing musical instruments (intervention group shock wave vs reference group placebo). The effects were documented by a pain VAS and other instruments. A questionnaire designed specifically for musicians (with initial and final questions) recorded intensity and manifestation of pain and handicaps in daily life, especially when practicing and playing. The Shoulder Pain and Disability Index (SPADI) and the Neck Pain Disability Index Questionnaire (NPDIQ) were also used. RESULTS: Both groups reported subjective improvement in pain, but significance was found only for the intervention group for the SPADI and NPDIQ. CONCLUSIONS: Trigger point treatment with radial shock wave used in combination with physical therapy makes the subjects feel temporarily relieved of neck and shoulder pains. The effects of radial shock wave without physical therapy will need to be examined in further studies.
Hyperhydricity (HH) is one of the most important physiological disorders that negatively affects various plant tissue culture techniques. The objective of this study was to characterize optical features to allow an automated detection of HH. For this purpose, HH was induced in two plant species, apple and Arabidopsis thaliana, and the severity was quantified based on visual scoring and determination of apoplastic liquid volume. The comparison between the HH score and the apoplastic liquid volume revealed a significant correlation, but different response dynamics. Corresponding leaf reflectance spectra were collected and different approaches of spectral analyses were evaluated for their ability to identify HH-specific wavelengths. Statistical analysis of raw spectra showed significantly lower reflection of hyperhydric leaves in the VIS, NIR and SWIR region. Application of the continuum removal hull method to raw spectra identified HH-specific absorption features over time and major absorption peaks at 980 nm, 1150 nm, 1400 nm, 1520 nm, 1780 nm and 1930 nm for the various conducted experiments. Machine learning (ML) model spot checking specified the support vector machine to be most suited for classification of hyperhydric explants, with a test accuracy of 85% outperforming traditional classification via vegetation index with 63% test accuracy and the other ML models tested. Investigations on the predictor importance revealed 1950 nm, 1445 nm in SWIR region and 415 nm in the VIS region to be most important for classification. The validity of the developed spectral classifier was tested on an available hyperspectral image acquisition in the SWIR-region.
Tools for designing riverscapes co-creatively. Walk! Find typologies! Design spatial visions!
(2020)
Semi-solid metal alloys, as used in thixoforming, have a special microstructure of globular grains suspended in a liquid metal matrix. The complex rheological properties are strongly influenced by the local solid fraction, particle shape, particle size and state of agglomeration. There is a high demand for models and software tools allowing the simulation of semi-solid casting processes. The material under investigation is a tin-lead alloy (Sn-15%Pb) which exhibits a similar microstructure to aluminium alloys. The experiments were performed with a concentric cylinder rheometer of the Searle type. Initially, the liquid alloy is cooled down to the semi-solid range under constant shearing and then kept under isothermal conditions for further experimentation. Based on the experimental data, a single-phase model has been derived where the semi-solid alloy is regarded as a homogeneous material with thixotropic properties and the microstructure is characterised by a structural parameter. The model consists of two parts: the equation of state, including a finite yield stress, and a rate equation for the structural parameter. The model equations are employed in numerical software and used for the simulation of characteristic filling cases and the comparison with the conventional filling.
Information Technology (IT) continues to evolve and develop with electronic devices and systems becoming integral to healthcare in every country. This has led to an urgent need for all professions working in healthcare to be knowledgeable and skilled in informatics. The Technology Informatics Guiding Education Reform (TIGER) Initiative was established in 2006 in the United States to develop key areas of informatics in nursing. One of these was to integrate informatics competencies into nursing curricula and life-long learning. In 2009, TIGER developed an informatics competency framework which outlines numerous IT competencies required for professional practice and this work helped increase the emphasis of informatics in nursing education standards in the United States. In 2012, TIGER expanded to the international community to help synthesise informatics competencies for nurses and pool educational resources in health IT. This transition led to a new interprofessional, interdisciplinary approach, as health informatics education needs to expand to other clinical fields and beyond.
In tandem, a European Union (EU) - United States (US) Collaboration on eHealth began a strand of work which focuses on developing the IT skills of the health workforce to ensure technology can be adopted and applied in healthcare. One initiative within this is the EU*US eHealth Work Project, which started in 2016 and is mapping the current structure and gaps in health IT skills and training needs globally. It aims to increase educational opportunities by developing a model for open and scalable access to eHealth training programmes. With this renewed initiative to incorporate informatics into the education and training of nurses and other health professionals globally, it is time for educators, researchers, practitioners and policy makers to join in and ROAR with TIGER.
The TIGER Initiative
(2016)
Events are intangible services and services marketing thus plays a considerable role within event management education. The marketing mix with its “4 Ps” (product, price, promotion, place) is an essential element of many event management curricula. Most educational institutions also reflect the development (and related discussions) towards the existence of “7 Ps” – adding personnel, physical facilities and process management (Meffert/ Bruhn 2009) – or even “8 Ps” – adding physical environment, purchasing process, packaging and participation(Burke/ Resnick 2000) – within the service marketing domain.
Background: Lumbar discectomy is considered a safe, efficacious and cost-effective treatment for selected cases of patients with leg pain associated with the presence of a disc protrusion. But despite technically successful surgery, 30 % of patients complain of persistent pain on long-term follow up. Identification of possible predictors for a negative outcome is important, in the search for appropriate pre- and/or post-operative care and prevention of persistent disability. There is some evidence in the literature that quantitative sensory testing (QST) measures may play a role in prediction of patients’ pain persistency, however, this has never been investigated in patients undergoing lumbar discectomy.
Objective: The aim of this study is to determine the predictive value of QST parameters, in combination with previously documented predictor variables such as medical/psychological/cognitive behavioural factors, in patients with lumbar radiculopathy and/or radicular pain, for predicting patients’ clinical outcome after lumbar discectomy.
Method: Participants with radiculopathy and/or radicular pain and confirmed imaging diagnosis of nerve root compression will be recruited from the elective surgery waitlist at one hospital. All participants will undergo lumbar discectomy performed by one neurosurgeon. A standardized QST protocol comprising all of the somatosensory sub-modalities that are mediated by different primary afferents (C-, Aδ-, Aβ-) will be performed prior to surgery. QST will be conducted in the patients’ main pain area and contralateral side, in the affected dermatome and at a remote control site. The presence of other predictor variables will be captured by questionnaires. Follow-up at 3 months will include QST and measurements of pain intensity, pain descriptors, functional status, health related quality of life, return to work and health care utilisation. A further 1-year follow-up will include the same measurements except QST.
Results/Conclusions: Identification of new predictor variables may assist in the development of pre-surgical screening methods and in targeted pre- and/or post-operative patient care, with the potential to improve patients’ functional status, quality of life, work capacity whilst also reducing health care costs associated with persistent disability
Objectives
The aims of the present study were to provide back pain (BP) point prevalence data from inpatients at an Australian tertiary hospital on one day, and compare this with Australian non-hospitalized population prevalence data; to collect data around the development of BP throughout hospital admission; and to analyse the association between BP and past history of BP, gender, age, admission specialty and hospital length of stay (LOS).
Methods
This was a single-site, prospective, observational study of hospitalized inpatients on one day during 2016, with a subsequent survey over the following 11 days (unless discharge or death occurred sooner).
Results
Data were collected from 343 patients (75% of the hospitalized cohort). A third of patients (n = 108) reported BP on admission, and almost a fifth (n = 63) developed new BP during their hospitalization. Patients who described BP at any time during their hospital stay had a higher chance of having had a history of BP, with odds increasing after adjustment for age and gender (odds ratio 5.89; 95% confidence interval (CI) 3.0 to 11.6; p < 0.001). After adjusting for age and gender, those experiencing BP had a significantly longer LOS (median 13 days; CI 10.8 to 15.3) than those who did not (median 10 days; CI 8.4 to 11.6; p = 0.034).
Conclusions
Hospital LOS for patients who complained of BP at any time during their admission was 3 days longer than those who had no BP, and a history of BP predicted a higher likelihood of BP during admission. Screening of patients on admission to identify any history of BP, and application of a package of care including early mobilization and analgesia may prevent the onset of BP and reduce LOS.
Thirty years ago, the Fourth King of Bhutan famously proclaimed that ―Gross National Happiness is more important than Gross National Product, thereby setting Bhutan on a holistic development path. Following this historic declaration, Bhutan developed a Gross National Happiness (GNH) Index and screening tool to evaluate all new policies, proclaiming that:
―Gross National Happiness measures the quality of a country in more holistic way [than GNP] and believes that the beneficial development of human society takes place when material and spiritual development occur side by side to complement and reinforce each other.
In July 2011, 68 nations joined Bhutan in co-sponsoring its UN General Assembly resolution on ―Happiness: Towards a Holistic Approach to Development.
This review gives an overview about the existing research concerning siblings' perspective within the familial experiences of childhood chronic illness. Besides attaining a conception of their world, it was intended to identify the unacknowledged issues concerning siblings' experience. Four databases were systematically searched. The analysis was concentrated on nine literature reviews. As a result, we identified a map of dimensions of experiences—well-elaborated as well as fragmentary. Many of the studies were conducted by a proxy and not from the sole siblings' perspective. Further research should concentrate on the sole siblings' perspective, in order to make siblings' voices audible.
The nutritional footprint – An assessment tool for health and environmental effects of nutrition
(2014)
Aufgrund seiner starken Umweltauswirkungen gilt der Lebensmittelsektor durch Effekte in Produktion, Verarbeitung, Konsum und Entsorgung gemeinhin als ein wichtiges Handlungsfeld, soll eine gesellschaftliche Transformation in Richtung Nachhaltigkeit weiter vorangetrieben werden. Da Ernährungsgewohnheiten sowohl ökologische Auswirkungen induzieren als auch gesundheitliche Folgen für die Verbraucher haben, sind Konzepte gefragt, die ökologische mit gesundheitlichen Indikatoren kombinieren; diese sind jedoch bislang rar. Das vorgestellte Instrument des Nutritional Footprint greift diese Problemstellung auf und verbindet in einem innovativen Konzept jeweils vier Kernindikatoren beider Dimensionen. Mithilfe des Konzepts erhalten Verbraucher einen Überblick zu Umwelt- und Gesundheitswirkungen ihrer Ernährung. Unternehmen können wiederum interne Datensätze verwalten, Benchmarking betreiben und ihre externe Kommunikationsleistung erweitern.
Der Bereich Ernährung wird in den kommenden Jahrzehnten vor zahlreichen Herausforderungen stehen, die sich aus den veränderten Lebensgewohnheiten und globalen Konsummustern bei gleichzeitig hohem Ressourcenverbrauch ergeben. Vor diesem Hintergrund wird in diesem Papier ein neu entwickeltes Instrument zur Verringerung der Auswirkungen auf die Ernährung vorgestellt, der sogenannte Ernährungsfußabdruck. Das Instrument basiert auf der Umsetzung des Konzepts einer nachhaltigen Ernährung in Entscheidungsprozessen und der Unterstützung einer ressourcenschonenden Gesellschaft. Das Konzept integriert jeweils vier Indikatoren aus den beiden ernährungsrelevanten Bereichen Gesundheit und Umwelt und verdichtet sie zu einem leicht kommunizierbaren Ergebnis, das sich in seinen Ergebnissen auf eine Wirkungsebene beschränkt. Anhand von acht Mittagsmahlzeiten werden die Methodik und ihre Berechnungsverfahren detailliert vorgestellt. Die Ergebnisse unterstreichen die allgemeine wissenschaftliche Sichtweise auf Lebensmittel; Mahlzeiten auf der Basis von tierischem Eiweiß sind im Hinblick auf ihre Gesundheits- und Umweltauswirkungen relevanter. Das Konzept scheint für Verbraucher nützlich zu sein, um ihre eigene Wahl zu bewerten, und für Unternehmen, um ihre internen Daten, ihre Benchmarking-Prozesse oder ihre externe Kommunikationsleistung zu erweitern. Methodische Unzulänglichkeiten und die Interpretation der Ergebnisse werden erörtert, und die Schlussfolgerung zeigt das Potenzial der Instrumente für die Gestaltung von Übergangsprozessen und für die Verringerung des Verbrauchs natürlicher Ressourcen durch die Unterstützung von Entscheidungen und Wahlmöglichkeiten von Lebensmittelanbietern und Verbrauchern.
In this article, we build on Stigler and Becker’s (1977) “consumption capitaltheory” and propose a novel conceptualization of film quality for the analysisof motion picture franchises. Generally, this theorypredicts that the utilityconsumers derive from a particular goodor service increases with prior con-sumption. We test our theoretical conjectures by drawing on the population ofsequels that were running in the US between 1992 and 2011. The empiricalresults point to the explanatory power of the proposed framework. Filmexecutives may use our findings to improve the profitability of their sequelproductions. From a theoretical point of view, consumption capital theoryallows for a more refined analysis of sequel performance along differentdimensions. Moreover, it may provide a fruitful basis for the analysis of otherserial media content, including books, TV, music, and games.
Objective: to understand the meaning of the Adult Intensive Care Unit environment of care,
experienced by professionals working in this unit, managers, patients, families and professional
support services, as well as build a theoretical model about the Adult Intensive Care Unit
environment of care. Method: Grounded Theory, both for the collection and for data analysis.
Based on theoretical sampling, we carried out 39 in-depth interviews semi-structured from
three different Adult Intensive Care Units. Results: built up the so-called substantive theory
“Sustaining life in the complex environment of care in the Intensive Care Unit”. It was bounded
by eight categories: “caring and continuously monitoring the patient” and “using appropriate
and differentiated technology” (causal conditions); “Providing a suitable environment” and
“having relatives with concern” (context); “Mediating facilities and difficulties” (intervenienting
conditions); “Organizing the environment and managing the dynamics of the unit” (strategy)
and “finding it difficult to accept and deal with death” (consequences). Conclusion: confirmed
the thesis that “the care environment in the Intensive Care Unit is a living environment, dynamic
and complex that sustains the life of her hospitalized patients”.
The Lingen equilibrium model
(2021)
Equilibria protect against crisis. All disciplines of sciences have the objective to create equilibria. But economics are not successful in this point. Here a simple equilibrium model based on a wage-price-rule is demonstrated. Economics are able to create economic equilibria by using this rule. But in economic systems there are a lot of rules, especially in accounting, which make economic equilibria impossible. These rules must be changed. If it is possible to create economic equilibria, the side-effect is the realization of economic sustainability.
The impact of Pulsed Electric Fields (PEF) on the peeling ability of different fruits and vegetables in particular tomatoes, peaches, peppers, and oranges were investigated. Samples were exposed to a fixed electric field strength of 2.15 kV/cm. The specific energy ranged from 0.6 kJ/kg to 50.3 kJ/kg. The treated raw materials were analysed regarding to the peeling ability, skin size and weight and firmness. The best result for tomatoes at a specific energy of 1.2 kJ/kg induced a high score of peeling ability that led to less product loss and could therefore increase the yield by 33.84%–41.53% compared to untreated samples. Moreover, an increased skin size by a factor of 3.7 was observed. However, PEF had no significant impact on peeling ability of oranges, peppers, and peaches. Although oranges showed an improvement in peeling ability by up to 32%, this cannot be traced back to the PEF treatment. The different properties and structures of the raw materials were discussed and provided indications about the limitation of PEF.
Objective
The aim of this study was to assess the influence of cranio-cervical posture on the maximal mouth opening (MMO) and pressure pain threshold (PPT) in patients with myofascial temporomandibular pain disorders.
Materials and Methods
A total of 29 patients (19 females and 10 males) with myofascial temporomandibular pain disorders, aged 19 to 59 years participated in the study (mean years±SD; 34.69±10.83 y). MMO and the PPT (on the right side) of patients in neutral, retracted, and forward head postures were measured. A 1-way repeated measures analysis of variance followed by 3 pair-wise comparisons were used to determine differences.
Results
Comparisons indicated significant differences in PPT at 3 points within the trigeminal innervated musculature [masseter (M1 and M2) and anterior temporalis (T1)] among the 3 head postures [M1 (F=117.78; P<0.001), M2 (F=129.04; P<0.001), and T1 (F=195.44; P<0.001)]. There were also significant differences in MMO among the 3 head postures (F=208.06; P<0.001). The intrarater reliability on a given day-to-day basis was good with the interclass correlation coefficient ranging from 0.89 to 0.94 and 0.92 to 0.94 for PPT and MMO, respectively, among the different head postures.
Conclusions
The results of this study shows that the experimental induction of different cranio-cervical postures influences the MMO and PPT values of the temporomandibular joint and muscles of mastication that receive motor and sensory innervation by the trigeminal nerve. Our results provide data that supports the biomechanical relationship between the cranio-cervical region and the dynamics of the temporomandibular joint, as well as trigeminal nociceptive processing in different cranio-cervical postures.
Der Lebensmittel- und Landwirtschaftssektor wird in den nächsten Jahrzehnten vor zahlreichen Herausforderungen stehen, die sich aus den sich verändernden globalen Produktions- und Verbrauchsmustern ergeben, die derzeit mit einem hohen Ressourcenverbrauch einhergehen und ökologische und sozioökonomische Auswirkungen haben. Ziel dieses Beitrags ist es, die praktische Anwendbarkeit der Hot-Spot-Analyse-Methode im Kontext des Lieferkettenmanagements in Unternehmen zu veranschaulichen und zu bewerten.
Die HSA ist eine Methode zur Identifizierung sozialer und ökologischer Probleme entlang des gesamten Lebenszyklus eines Produkts. Besonderes Augenmerk wird auf eine maßgeschneiderte Umsetzung in der Wertschöpfungskette Rindfleisch von McDonald's Deutschland gelegt. Die HSA der Wertschöpfungskette Rindfleisch von McDonald's zeigt, dass die größten ökologischen Probleme in der Phase der Rohstoffgewinnung auftreten, während die größten sozialen Probleme in der Phase der Schlachtung identifiziert werden können. Abschließend zeigt der Beitrag Potenziale und Defizite einer solchen maßgeschneiderten Anwendung und wie die Ergebnisse im Nachhaltigkeitsmanagement eines Unternehmens umgesetzt werden können. in das Nachhaltigkeitsmanagement eines Unternehmens implementiert werden können.
Novel foods by process are a special case in the catalogue of the ten novel food categories according to Article 3 (2) point (a) of the Novel Food Regulation (EU) 2015/2283, since the other nine categories derive their assessment as possible novel foods from their purely substantial properties. In the case of novel foods by process, the problem of dealing with the reference date of 15 May 1997, which is in the end a random reference date, is particularly significant. It would make more sense to have a dynamic reference date that ‘moves along the timeline’ or at least is reset from time to time and is more up-to-date. The characteristic that a process causes ‘significant changes in the composition or structure of the food, affecting its nutritional value, metabolism or level of undesirable substances’ must be understood in such a way that it is only a question of the generation of undesirable substances through the application of the process, but not their reduction, e.g. the reduction of undesirable microorganisms. Finally, the question also arises as to how the assessment of the process technology relates to the assessment of a food in the context of a novel food by composition category. This concerns the exemption for foods that have a history of use as safe foods, which, according to the view taken here, must also be interpreted into the category of novel foods by process.
Methods: Systematic review of randomized controlled trials (RCT). Searches were conducted in five electronic databases. Studies were selected if they included patients with NP over 18 years old treated with aerobic exercise (AE) (e.g., cycling, running, hiking, and walking). The main outcome of interest was pain intensity. Qualitative and quantitative data were extracted. The risk of bias (RoB) was determined using the Cochrane RoB Tool-2 and the overall certainty of the evidence with the GRADE recommendations.
Results: Out of 21,585 initial records screened, a total of six individual studies published in ten manuscripts were included. There was a great heterogeneity between protocols, comparisons, and studies’ results (different magnitudes and directions). When looking at the effect of aerobic exercise versus control groups or other interventions on pain intensity measured with the VAS, not statistically (nor clinical) significant differences between aerobic exercise and control groups (MD [95%CI] 5.16 mm [-6.38, 16.70]) were identified. The combined effect of AE plus other interventions seems to be effective. Strength exercise obtained better effects than aerobic exercises (MD [95%CI]: -11.34 mm [-21.6, -1.09]).
Conclusions: Aerobic exercise presented positive results to reduce pain intensity, and improving disability, and physical and emotional functioning. However, the evidence is restricted, low quality, and heterogeneous.
Methods: The searches were conducted on five electronic databases. RCTs or CTs with patients over 18 years old of both sexes with OFP diagnoses were targeted. The intervention of interest was AE (i.e., walking, cycling, and running), compared to any other conservative and non-conservative therapy. The primary outcome was pain intensity. Risk of bias (RoB) was done with the Cochrane RoB tool (RoB 2). The overall certainty of the evidence was evaluated with GRADE.
Results: Out of 21,585 initial records found in the initial database search, only one study (reported on three manuscripts) was included. The diagnosis of interest was headache plus temporomandibular disorders (TMD). Three treatment groups (strengthening (Str) exercise + manual therapy (MT) (G1); AE + MT + Str exercises (G2); AE (G3)) were compared. The main outcome was pain; the secondary outcomes included disability, strength, anxiety, and quality of life. The combined treatment (AE+MT+Str exercises) had the strongest effect to decrease pain and headache intensity in patients with OFP (SMD: 9.99 [95%CI: 7.19, 12.80].
Conclusions: a multimodal treatment strategy achieved the greatest positive effects on pain and other outcomes in the short/medium term. AE seems to be an important component of this strategy. However, the scientific evidence supporting AE’s isolated effect is limited, indicating a research gap in this scientific field.
This study examined the relation between employees' perceived extent of change and adaptive performance, focusing on the roles of expressive suppression (i.e. the habit of suppressing overt expressions of emotion) at work and perceived strain. Analysing survey data of 153 employees in Germany with different occupational backgrounds via bootstrapping, the conceptual moderated indirect effect scheme was supported. As hypothesized, greater changes were associated with higher strain. Strain, in turn, was negatively related to adaptive performance. Although extent of change did not directly affect adaptive performance, the data supported the expected indirect relationship via strain. Finally, expressive suppression at work acted as a buffer of this indirect effect: extent of change was only negatively related to strain for employees low in suppression. In line with newer evidence, our results indicate that the suppression of overt emotional expressions at work can have positive effects under certain circumstances.
Background:
Children with severe psychomotor impairment (SPMI) often experience sleep disturbances that severely distress both the child and his or her parents. Validated questionnaires for the assessment of parents’ distress related to their child’s sleep disturbances are lacking.
Methods:
We developed and validated a new questionnaire, the HOST (holistic assessment of sleep and daily troubles in parents of children with SPMI) to assess the effect of the sleep disturbances in children with SPMI on their parents. The questionnaire was developed based on published data and expert opinion, and it was refined via direct consultation with affected parents. Its psychometric characteristics were assessed in a sample of parents of 214 children with SPMI. It was retested using a random subsample of the participants.
Results:
Explorative factor analysis revealed that the HOST was composed of four scales. Fit indices, item analysis, and convergent validity (coherence with preexisting instruments of sleep disturbances and health status) were adequate. Retest analysis (n = 62) revealed high stability of the HOST questionnaire and adequate replication validity.
Conclusion:
Sleep-related difficulties significantly impact the sociomedical characteristics of the parents of children with complex neurologic diseases. Typically, parents are severely affected in various aspects of daily life (i.e., medical health, social life, professional life). The HOST proved to be a valid, reliable and economical assessment tool of sleep-related difficulties in parents and relatives of children with SPMI. The HOST is capable of identifying individuals and specific areas requiring intervention.
The ability of film stars to attract viewers is a widely accepted rationale for hiring expensive actors. However, the precise mechanisms behind this ‘drawing power’ remain unclear. By reviewing the existing literature, six possible antecedents of drawing power are identified. Artists with high acting abilities (i) increase a film’s artistic appeal, (ii) function as markers of quality and (iii) facilitate the matching process with the right audiences. Widely popular, commonly perceived as beautiful/handsome but often less talented actors, on the other hand, rather (iv) facilitate the marketing campaigns of films, (v) offer entertaining interactions with famous personalities and (vi) provide manifold opportunities for gossiping. Based on a discussion of the implications for theory and a preliminary analysis of a sample of Hollywood actors, managerial recommendations for those who have and those who depend on star drawing power are developed.
Functional foods are still of increasing interest among the scientific community. Based on the extensive literature about functional foods, four main research areas can be identified: functional food innovation (1); the scientific background of the health benefits of functional foods (2); the regulation of functional foods (3); and consumer acceptance of functional foods (4). These research areas are not detached from each other, and each presents a consumer perspective. Although multifaceted studies focus on consumer acceptance of functional foods, literature regarding a structured framework of the determinants of functional food acceptance is limited. The aim of this review is to provide the reader with an overview of the recent literature on consumer attitudes towards functional foods and with an extensive structured framework of the determinants of functional food acceptance and their intertwined relationships. The scientific literature discusses a plethora of determinants of consumer acceptance of functional foods. These determinants can be categorized into consumer and market attributes, which show interwoven relationships with each other. On the one hand, consumer attributes are widely discussed in the literature, while on the other hand structured analyses of the market perspective are inadequately represented. Additionally, the ongoing development of new scientific findings regarding health benefits of different functional ingredients leads to a large amount of new functional food products in the market. Consequently, the research area of functional foods and in particular consumer acceptance of functional food innovation will remain an important research field in the coming years.
The way in which brands are economically represented in the context of financial reporting is controversial in theory and practice. This holds especially against the background of the ever- increasing importance of intangible assets. Brands and the economic success associated with them are thus regarded as a key variable for overall corporate success: cash flows can be accelerated and expanded through the use of brand-strategic options, while existing risks may be mitigated. In addition to a large number of theoretical definitions, the determination of brand value from both a marketing and an accounting perspective is also characterized by a complex interaction of numerous influencing factors. This is where the International Accounting Standards IAS 38: "Intangible Assets" (isolated acquisition of a brand) and IFRS 3: "Business Combinations" (acquisition of a brand as part of a business combination) take effect: These are intended to ensure a comparable and reliable "true and fair view" for the presentation of intangible assets in international accounting. In addition to various recognition criteria, the accounting regulation here also includes the accounting valuation of intangible assets and thus also of brands. In principle, valuation in accordance with IAS 38 is based on acquisition costs. The determination of the operating life for impact evaluation is highly controversial both in literature and in practice. Under IFRS 3, acquisition costs are to be replaced by the fair value. Regardless of the method used, possible subjectivity is one of the central issues. The current discussion approach of the International Accounting Standards Board also clearly shows the need for simplification and concretization that still exists for practice: In particular, the accounting distinction between goodwill and intangible assets is the subject of discussions with the Global Preparers Forum, among others. The interests of users, preparers and auditors of corporate financial reporting must be taken into account equally. In particular, the prohibition on recognizing self-created brands in the balance sheet makes it difficult to assess their value. Furthermore, it creates a weak point in the presentation of the true and fair view of a company's financial position and financial performance that is generally required. Regardless of the previous, the current rules provide preparers and users with a basic overview of existing intangible assets. Irrespective of how valuation is determined individually, the IASB's rules thus help to create a fundamental structure. In which approach the future discussion will result in remains open.
BACKGROUND: Postoperative delirium (POD) is an acute and common complication after surgery that can increase morbidity and mortality. Few previous studies with inconsistent findings have examined the association of preoperative pain and POD. Our purpose is to investigate the association of preoperative chronic pain and POD.
METHODS: This prospective observational cohort study included 200 patients ≥ 18 years scheduled for elective surgery under general anaesthesia in a tertiary care hospital. POD was defined as meeting diagnostic criteria during the study visits (according to delirium screening tests and the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition), or by diagnosis of the responsible physicians. Chronic pain was defined as pain lasting six months or longer. Features of chronic pain were assessed with the German Pain Questionnaire, including the Depression Anxiety and Stress Scale-21 (DASS-21). Associations with POD were assessed using logistic regression analysis adjusting for confounding factors.
RESULTS: Thirty-nine (22%) out of 176 patients developed POD. Chronic pain was not associated with POD after adjustment for ASA physical status, duration of anesthesia and DASS-21 Anxiety score (Odds ratio [OR], 95%-Confidence Interval [CI], 2.216 [0.968;5.070], P=0.060). A subgroup analysis of chronic pain patients revealed that current pain intensity was higher in patients with POD.
CONCLUSIONS: Preoperative chronic pain was no independent predictor for POD. Current pain intensity was higher in chronic pain patients with POD. This indicates that certain features of pain might be influential. Further research is needed to examine different forms of preoperative pain and their possible influence on POD.
Background
The continuous rise in caesarean rates across most European countries raises multiple concerns. One factor in this development might be the type of care women receive during childbirth. ‘Supportive care during labour’ by midwives could be an important factor for reducing fear, tension and pain and decreasing caesarean rates. The presence and availability of midwives to support a woman in line with her needs are central aspects for ‘supportive care during labour’.
To date, there is no existing research on the influence of effective ‘supportive care’ by German midwives on the mode of birth. This study examines the association between the attendance and workload of midwives with the mode of birth outcomes in a population of low-risk women in a German multicentre sample.
Methods
The data are based on a prospective controlled multicentre trial (n = 1,238) in which the intervention ‘midwife-led care’ was introduced. Four German hospitals participated between 2007 and 2009.
Secondary analyses included a convenience sample of 999 low-risk women from the primary analyses who met the selection criterion ‘low-risk status’. Participation was voluntary. The association between the mode of birth and the key variables ‘attendance of midwives’ and ‘workload of midwives’ was assessed using backward logistic regression models.
Results
The overall rate of spontaneous delivery was 80.7% (n = 763). The ‘attendance of midwives’ and the ‘workload of midwives’ did not exhibit a significant association with the mode of birth. However, women who were not satisfied with the presence of midwives (OR: 2.45, 95% CI 1.54-3.95) or who did not receive supportive procedures by midwives (OR: 3.01, 95% CI 1.50-6.05) were significantly more likely to experience operative delivery or a caesarean. Further explanatory variables include the type of hospital, participation in childbirth preparation class, length of stay from admission to birth, oxytocin usage and parity.
Conclusion
Satisfaction with the presence of and supportive procedures by midwives are associated with the mode of birth. The presence and behaviour of midwives should suit the woman’s expectations and fulfil her needs. For reasons of causality, we would recommend experimental or quasi-experimental research that would exceed the explorative character of this study.
In view of the rapid depletion of natural resources and the associated overloading of the biological ecosystem, the concept of circular business models (CBMs) is increasingly discussed in the literature as well as in business practice. CBMs have the potential to significantly reduce the demand for natural resources. Despite their increasing relevance, the diffusion of CBMs in business practice is largely unexplored. Consequently, this article investigates the extent to which CBMs have already been adopted by large German companies. To answer this question, the annual and sustainability reports of the members of the DAX40 are analyzed for the presence of five specific types of CBMs. Data was gathered for the years 2015 and 2020 in order to describe the development over time. The results show an increasing prevalence of CBMs in the DAX companies. In addition, it is noticeable that CBM types that serve to close material cycles are implemented more frequently than those that decelerate material cycles. In particular Sharing Platforms and Product as a Service stand out due to comparatively low adoption. Potential reasons for these findings are discussed and managerial as well as policy implications suggested.
While recent studies have demonstrated that events are fundamentally climate sensitive, this seems to not be fully considered in event research or corporate event practice. Thus, this study aims to identify the influencing factors that affect the acceptance of climate adaptation measures among decision-makers in the event industry. The analysis was divided into three main parts. First, the existing literature related to climate change in an events context was reviewed. Using 15 semi structured interviews, the findings from this review were then critically discussed with stakeholders in Germany involved in event planning. Finally, explicit climate adaptation measures were proposed and discussed. Based on all findings, there appears to be a low level of awareness of and interest in climate adaptation amongst German event industry players. There is an imminent need for further research on climate adaptation and for decision-makers to better prepare for climate change in order to counteract resulting negative impacts.
Green roofs are known to mitigate the negative effects of urban consolidation by offering diverse ecosystem functions compared to non-vegetated roofs. However, the support for native biodiversity might be improved by using native plant species. In a mesocosm experiment, we studied the suitability of three commercial green-roof growth substrates for the establishment of 27 native plant species from dry sandy grasslands of northwestern Germany over the course of four years. The substrates were mineral-based, but differed in the layering of organic matter. Total establishment rates reached 44–59% in Year 4, indicating the general suitability of the substrates. During the first weeks after seeding, with light irrigation, the vascular plant cover was greater in the similar substrates Zincolit® Plus (Z) and Zincolit® Plus-Leicht (ZL) with their compost-based organic mulch layers than in the substrate Sedumteppich (ST) with its organic matter evenly admixed with the mineral aggregates. In Years 2 and 3, however, the vascular plant cover was greater in the ST substrate, likely due to the better availability of water and nutrients from the organic matter compared to the dry surface-mulch layer variants Z and ZL. After severe drought events, the decline in plant cover was more pronounced in the ST substrate, likely representing a trade-off between lush growth and a susceptibility to drought. An indicator-species analysis revealed differences in species composition between the ST and Z/ZL substrates. Annual plant species were indicators of the ST substrate. Perennials, such as Thymus pulegioides and Achillea millefolium, were typical of the Z and ZL substrates. In addition to the general suitability of the tested standard substrates for target species establishment, the study indicated that a combination of different layers of substrate components resulted in different vegetation patterns that may have a positive effect on green-roof biodiversity.
In this essential, Josef Gochermann provides a compendium of the essential elements of technology management and answers ten important questions on how to identify new technologies, properly evaluate relevant technologies, recognize opportunities and risks in time, and position yourself for technological success. He shows how to use technologies beneficially, make relevant technologies available at the right time, recognize the end of a technology's performance in time, and plan the use of technologies strategically and for the future.
This chapter provides an overview of the gender aspects that are relevant to Talent Management, acknowledging gender as a social construction of the purportedly adequate behaviors and traits exhibited by males and females as the result of education and socialization processes. It discusses gendered perspectives and the needs of current and future key players, such as work–family balance and dual-career challenges, because they influence the decisions of talent to join, remain with, or leave organizations. The chapter focuses on well-qualified female professionals who are willing to invest in themselves and value their significant involvement in their work. By applying a gender lens, it addresses a gap in the Talent Management discussion and aims to contribute to the development of Talent Management on both the theoretical and practical level. If Talent Mangement systematically includes employees in mid- and late career and enables them to learn throughout their careers, it will expand its target groups.
By drawing on the two prevailing economic stardom theories, the paper investigates the sources of superstardom in the US movie industry. For the econometric analysis, we use income and popularity data of screen actresses and actors from the annual Celebrity 100 lists as published by Forbes Magazine. The empirical findings indicate that Hollywood, in contrast to other professional settings, supports two different types of stars. While 'talent stars' exploit acting merit, it is media exposure that drives the income of 'publicity stars'. Apparently, in the motion picture industry both underlying resources are equally important and equally valued. Based on these insights we develop concrete recommendations for the career management of artists and the management of film projects.
The 3GPP release 16 integrates TSN functionality into 5G and standardizes various options for TSN time synchronization over 5G such as transparent mode and bridge mode. The time domains for the TSN network and the 5G network are kept separate with an option to synchronize either of the networks to the other. The TSN time synchronization over 5G is possible either by using the IEEE 1588 generalized Precision Time Protocol (gPTP) based on UDP/IP multicast or via IEEE 802.1AS based on Ethernet PDUs. The INET and Simu5G simulation frameworks, which are both based on the OMNeT++ discrete event simulator, are widely used for simulating TSN and 5G networks. The INET framework comprises the 802.1AS based time synchronization mechanism, and Simu5G provides the 5G user plane carrying IP PDUs. We modified the 802.1AS-based synchronization model of INET so that it works over UDP/IP. With that, it is possible to synchronize TSN slaves (connected to 5G UEs), across a 5G network, with a TSN master clock, present within a TSN network, that is connected to the 5G core network. Our simulation results show that 500 microseconds of synchronization accuracy can be achieved with the corrected asymmetric propagation delay of uplink and downlink between the gNodeB (gNB) and the User Equipment (UE). Furthermore, the synchronization accuracy can be improved if the delay difference between uplink and downlink is known.
Sustainable market economy
(2015)
Sustainable Digital Entrepreneurship : Examining IT4Sustainability as Business Development Path
(2022)
There is an increasing interest within the field of Information Systems as well as political agendas to identify the potential of digital technologies to promote sustainable development. Nonetheless, sustainable entrepreneurship and digital entrepreneurship are widely treated separately within the literature, suggesting that there is little understanding of how entrepreneurs could employ digital technologies to promote sustainable development. Based on an empirical, qualitative research approach, relying on Grounded Theory methodology, this paper identifies characteristics of sustainable digital entrepreneurs. An investigation of the manifestations of the sustainable digital orientation reveals a rather diffuse understanding of the relation and potential synergy effects. In response to this gap, the paper presents examples on how sustainable digital entrepreneurs employ digital and disruptive technologies to tackle sustainability challenges (IT4Sustainability development path), including information and communication technology, such as digital platforms, artificial intelligence, or drone technology. The presented approaches range from second-mover approaches associated with low digital maturity limited to the business level to the development of new business models facilitating the sustainable transition of whole sectors. These insights are summarized in an IT4Sustainability maturity model, which presents different starting points for entrepreneurs. Relevant theoretical, practical, and policy implications are discussed, especially concerning the education on IT4Sustainability, including Corporate Digital Responsibility.
The study aimed for the analysis of the impact of pulsed electric field (PEF) pre-treatment on convection (CD) and microwave (MW-CD) assisted air drying. Drying kinetics acceleration and retention of bioactive compounds of PEF pre-treated carrots and apples has been demonstrated. Moreover, the direct and indirect environmental energy impacts of CD and MW-CD technologies with consideration of bioactive compounds preservation has been evaluated. PEF assisted CD and MW-CD demonstrated lower energy use, especially for indirect energy consumption, in the case of carotenoids preservation in dried carrots.
German farmers are required by law to regularly self-assess the welfare of their animals. The project Q Check is aiming at developing a system that will assist farmers to objectively assess animal health and welfare in dairy cows. For this reason, a quarterly report will be compiled from animal-based key indicators to give an overview of the on-farm situation. The anonymised and aggregated reports can also be used for national animal welfare monitoring: Continuous collection of these key indicators enables the summary and publication of figures reflecting the current animal health and welfare status and progressions at federal state and at national level. Q Check is based on four data recording and analysis systems, which are already established in Germany and implemented on a national level. Out of these systems, the most suitable indicators to describe herd health have been selected by 215 experts within a twostage Delphi study. In addition, over 50 face-to-face interviews with stakeholders related to the German dairy sector have been performed in order to take into account the socio-scientific point of view. To complete the process, the selected indicators are currently being checked against mass data and hence tested for suitability regarding monitoring purposes. An automatic farm-specific evaluation of animal health, based on verified indicators, will provide support to farmers in fulfilling their legal requirements and in identifying weak points on the individual farms. A benchmarking system will be set up which will allow tracking the individual herd health indicators in the same farm in their course over time and compared with similar farms. These routinely provided horizontal and vertical statistics will facilitate targeted intervention and support objectified management decisions, implying that dairy farmers can benefit in several respects. In the course of the project, new tools for determining the risk of ketosis in the scope of milk recording will also be validated and implemented at national level to enhance monitoring of this major disease complex. The results of these nationwide, systematic investigations will contribute substantially to objectifying the discussion about the health and welfare situation of dairy cows.
In einer konsumorientierten Kultur ein Leben der Suffizienz zu führen, ist vielleicht eines der ehrgeizigsten Experimente, die ein Mensch unternehmen kann. Um diese Herausforderung zu untersuchen, haben wir einen sozial-praktischen Ansatz gewählt. Dieser Artikel basiert auf 42 qualitativen Interviews, in denen die Befragten gefragt wurden, warum und wie sie sich in einer westlichen Infrastruktur und Kultur suffizient verhalten. Die Ergebnisse deuten darauf hin, dass Suffizienz-orientierte Menschen bei ihren ressourcenintensiven Handlungen auf bestimmte Bedeutungen in der Alltagspraxis zurückgreifen. Diese Bedeutungen umfassen eine Mischung aus umweltfreundlichen Einstellungen, positiven sozialen Absichten und/oder persönlichen Verpflichtungen zur Sparsamkeit. Darüber hinaus haben wir eine Reihe spezifischer Praktiken identifiziert, darunter Teilen, Recycling und Wiederverwendung, die für einen ressourcenschonenden Lebensstil nützlich sind. Für unsere Befragten sind viele dieser Suffizienz-Praktiken regelmäßig im täglichen Leben anzutreffen und wurden nur selten hinterfragt. Anhand einer zusätzlichen Umfrage zeigen wir, dass diese Routinen zu einem weniger ressourcenintensiven Lebensstil führen und wie es einer kleinen Gruppe von Menschen gelungen ist, sich Suffizienzpraktiken anzugewöhnen. Die Mehrheit sieht jedoch keine Notwendigkeit für eine häufigere Umsetzung solcher Routinen, da die täglichen Entscheidungsprozesse weitgehend auf den Konsum von Produkten ausgerichtet sind.
Purpose
The purpose of this paper is to distinguish different types of sustainable digital entrepreneurs (SDEs) and explore their approaches toward enhancing organizational resilience.
Design/methodology/approach
Investigation of entrepreneur characteristics using Grounded Theory methodology; 12 semi-structured telephone interviews with (owner-)managers of digital-resilient small and medium-sized enterprises (SMEs) and start-ups in Germany; adaptation of a sustainability-digitalization-matrix for initial clustering; investigation of reoccurring patterns (within and between clusters) through variable-oriented content analysis; application of the capability-based conceptualization of organizational resilience for synthesis and extension.
Findings
First, the authors present a new typology of SDEs, including descriptions of the four main types (Process-Oriented System Thinker, Unconventional Strategist, Dynamic Visionary and Success-Oriented Opportunist). Second, the authors propose a conceptual framework with six success factors of organizational resilience. The framework accentuates the influence of SDEs on organizational culture and the macro-environment.
Practical implications
Digital sustainability and resilience are emerging management principles. The insights gained will allow (future) entrepreneurs to perform a self-assessment and replicate approaches toward enhancing SME resilience; for example, governing the co-creation of an organizational culture with a strong integrative view on sustainability and digitalization.
Originality/value
SMEs are characterized by high vulnerability and a reactive response to the disruptions caused by sustainability crises and digitalization. Blending sustainable and digital entrepreneurship at a micro-level, the authors identified the success factors underpinning organizational resilience that are associated with the characteristics of four types of SDEs.
Background
Citizen energy cooperatives (CECOs) are an important element for realising the transformation of the European energy system from a central system, dominated by a few market players to a decentralized system with the participation of many citizens, in which energy supply is largely based on renewable energy sources. This article identifies success factors that ensure a working organization that is capable of implementing projects to support the energy transition and improving the well-being of citizens.
Methods
The aim of this study is to identify success factors using the example of CECOs in north western Germany through a two-step process. The first step is a literature review to identify success factors of CECOs. Second, 12 semi-structured expert interviews with managers of CECOs are conducted and evaluated by means of a qualitative content analysis. The interviews identified the success factors and barriers of CECOs. The interviews were recorded and transcribed verbatim. The coding process was carried out using a qualitative data analysis software (ATLAS.ti 8.4.5,).
Results
The results show that three factors particular should be present, but can influence each other, to lead to successful CECOs: (1) the CECOs require business models with low complexity, as business models that span different stages of the value chain can overwhelm organizational managers. (2) Committed key individuals must be found and promoted. They need the support of the members. (3) Social and ecological principles are the core values of CECOs. The maintenance and strengthening of social–ecological credibility must be promoted in the public perception.
Conclusions
The results show that CECOs emerge from a strong social cohesion in a society. In addition, local "key individuals" need to be identified and supported. To this end, the framework conditions (e.g., policy, legislation, municipal support, etc.) must be adapted in such a way that these "key individuals" in CECOs are not overburdened. The analysis of the interviews also revealed that political or regulatory barriers are often cited as obstacles to the implementation of community energy projects.
This study identifies and evaluates factors for success in innovation work in the Bavarian dairy farming industry. The research is based on an analysis of innovation system theories and a comparison with innovation work in the Dutch dairy sector. Dutch dairy farming is characterized by high productivity and technical efficiency at the farm level. Moreover, important developments in dairy farming have originated in the Netherlands. Therefore, this study delves into the systemic background of the successful innovation work in the Netherlands and makes a comparison with Bavaria. The main result of this study is that innovation work in the Bavarian dairy farming sector is lacking in two respects: end-user (farmer) integration and within-sector cooperation.
Still Searching or Have You Found It Already? – Usability and Web Design of an Educational Website
(2018)
Background: Apart from a straight-forward and intuitive operability an appealing design determines the success of a website equally well. For this reason, the selection of images and navigation bars plays a determining role. The eye tracking method proved to be appropriate in order to verify the usability of websites. Objectives: The aim of the study was to improve the usability of the website of an educational institute for trainees as target group. Methods/Approach: For this purpose, the use of an eye-tracking technology was combined with a survey. The eye-tracking study was implemented task-oriented. Test persons were asked to search for particular courses within this institute. Results: This approach in combination with a subsequent questionnaire resulted in tangible indications of search patterns of the test group. Furthermore, their perception and their appraisal of the usability as well as the web design was analysed. Even though most tasks were accomplished effectively and efficiently with a positive user feedback, a potential for improvement was detected, in particular with regard to the images and the location of the search field. Conclusions: The selected choice of methods enables researchers and web designers to derive recommendations for the orientation, structure, optimisation and comprehensibility of a website.
Stakeholder relations and sustainability practices of US small and medium-sized manufacturers
(2012)
Purpose: The purpose of this paper is to investigate the adoption of sustainability practices by small and medium-sized manufacturing (SMM) firms, the ways these firms work with their stakeholders for social and environmental purposes, and the relationships between the adoption of sustainability practices, stakeholder interaction, and product and process innovation.
Design/methodology/approach: This paper uses data from telephone interviews with 296 companies, a sustainability typology, and descriptive and statistical regression analysis.
Findings: The majority of the firms are adopting sustainability practices at least to some degree,stakeholders such as community advocacy groups, employees, suppliers, customers, and the localmedia are influencing the adoption of sustainability practices, and firms with high adoption rates of environmental practices are more successful in product and process innovation.Practical implications– The results of this research can help firms and stakeholder groups with their joint efforts to develop sustainability strategies. Community advocacy groups, employees,suppliers, customers, and the local media are capable of motivating firms to give something back tothe communities in which they conduct their business.
Originality/value: This paper contributes new understanding of the adoption of sustainabilitypractices by SMM firms, the ways these firms work with their stakeholders for social and environmental purposes, and the relationships between the adoption of sustainability practices,stakeholder interaction, and product and process innovation.
During recent decades, many studies have shown that the successful restoration of species-rich grasslands is often seed-limited because of depleted seed banks and limited seed dispersal in modern fragmented landscapes. In Europe, commercial seed mixtures, which are widely used for restoration measures, mostly consist of species and varieties of non-local provenance. The regional biodiversity of a given landscape, however, can be preserved only when seeds or plants of local provenance are used in restoration projects. Furthermore, the transfer of suitable target species of local provenance can strongly enhance restoration success.
We review and evaluate the success of currently used near-natural methods for the introduction of target plant species (e.g. seeding of site-specific seed mixtures, transfer of fresh seed-containing hay, vacuum harvesting, transfer of turves or seed-containing soil) on restoration sites, ranging from dry and mesic meadows to floodplain grasslands and fens. Own data combined with literature findings show species establishment rates during the initial phase as well as the persistence of target species during long-term vegetation development on restoration sites.
In conclusion, our review indicates that seed limitation can be overcome successfully by most of the reviewed measures for species introduction. The establishment of species-rich grasslands is most successful when seeds, seed-containing plant material or soil are spread on bare soil of ex-arable fields after tilling or topsoil removal, or on raw soils, e.g. in mined areas. In species-poor grasslands without soil disturbance and on older ex-arable fields with dense weed vegetation, final transfer rates were the lowest. For future restoration projects, suitable measures have to be chosen carefully from case to case as they differ considerably in costs and logistic effort. Long-term prospects for restored grassland are especially good when management can be incorporated in agricultural systems.
The biennial plant Gentianella bohemica is a subendemic of the Bohemian Massif, where it occurs in seminatural grasslands. It has become rare in recent decades as a result of profound changes in land use. Using amplified fragment length polymorphisms (AFLP) fingerprint data, we investigated the genetic structure within and among populations of G. bohemica in Bavaria, the Czech Republic, and the Austrian border region. The aim of our study was (1) to analyze the genetic structure among populations and to discuss these findings in the context of present and historical patterns of connectivity and isolation of populations, (2) to analyze genetic structure among consecutive generations (cohorts of two consecutive years), and (3) to investigate relationships between intrapopulational diversity and effective population size (Ne) as well as plant traits. (1) The German populations were strongly isolated from each other (pairwise FST= 0.29–0.60) and from all other populations (FST= 0.24–0.49). We found a pattern of near panmixis among the latter (FST= 0.15–0.35) with geographical distance explaining only 8% of the genetic variance. These results were congruent with a principal coordinate analysis (PCoA) and analysis using STRUCTURE to identify genetically coherent groups. These findings are in line with the strong physical barrier and historical constraints, resulting in separation of the German populations from the others. (2) We found pronounced genetic differences between consecutive cohorts of the German populations (pairwise FST= 0.23 and 0.31), which can be explained by local population history (land use, disturbance). (3) Genetic diversity within populations (Shannon index, HSh) was significantly correlated with Ne (RS= 0.733) and reflected a loss of diversity due to several demographic bottlenecks. Overall, we found that the genetic structure in G. bohemica is strongly influenced by historical periods of high connectivity and isolation as well as by marked demographic fluctuations in declining populations.
There is clinical evidence that cervical lateral glide (CLG) improves neurodynamics and alleviates pain in patients who suffer from neurogenic arm pain. Cervical lateral flexion (CLF) is also a treatment method and a means of testing neurodynamics. However, for both techniques nerve movement has not yet been investigated using ultrasound imaging (US). The purpose of this study was to quantify median nerve movement in the arm during CLG and CLF. For this study 27 healthy participants were recruited. Longitudinal movement of the median nerve was measured using US during CLG and CLF with the shoulder in 30° abduction in the middle and distal forearm (Fad). Data could be obtained from 11 participants (6 women and 5 men, average age 25.6 years, ±2.25) at the middle forearm (Fam) and from 9 participants (5 women and 4 men, average age 27.2 years, ±2.75) at the Fad. When applying CLF, the median nerve moved 2.3 mm (SEM ± 0.1 mm) at the Fam. At the same measuring point the median nerve moved 3.3 mm (SEM ± 0.3 mm, p = 0.005) by applying CLG. At the Fad the difference between CLF and CLF amounted to 0.6 mm (CLF: 1.9 mm (SEM ± 0.2 mm, CLG: 2.5 mm (SEM ± 0.2 mm, p ≤ 0.05). The movements during CLG are larger than during CLF. This difference is statistically significant. However, the statistical relevance cannot be extrapolated to a clinical relevance.
Knowledge of the small-scale nutrient status of arable land is an important basis for optimizing fertilizer use in crop production. A mobile field laboratory opens up the possibility of carrying out soil sampling and nutrient analysis directly on the field. In addition to the benefits of fast data availability and the avoidance of soil material transport to the laboratory, it provides a future foundation for advanced application options, e.g. a high sampling density, sampling of small sub-fields or dynamic adaptation of the sampling line during field sampling. An innovative key component is the NUTRI-STAT ISFET sensor module. It measures values for the ions "NO3- ”, “H2PO4- " and "K+ " as well as the pH. The ISFET sensor module was specially developed for soil nutrient analysis. The phosphorus measurement was further developed for the project "soil2data". First results from the ISFET sensor module show a measurement signal settling time of significantly less than 100 seconds and a further consistent stable measurement signal. The measurement signal dynamics of approx. 58 mV per factor 10 of concentration change is given for the measured variables pH and K+. For the measured quantities of NO3- and H2PO4- , the measurement signal dynamics are lower.
Soil versus foliar iodine fertilization as a biofortification strategy for field-grown vegetables
(2015)
Iodine (I) biofortification of vegetables by means of soil and foliar applications was investigated in field experiments on a sandy loam soil. Supply of iodine to the soil in trial plots fertilized with potassium iodide (KI) and potassium iodate directly before planting (0, 1.0, 2.5, 7.5, and 15 kg I ha-1) increased the iodine concentration in the edible plant parts. The highest iodine accumulation levels were observed in the first growing season: In butterhead lettuce and kohlrabi the desired iodine content [50–100 μg I (100 g FM)-1] was obtained or exceeded at a fertilizer rate of 7.5 kg IO3--I ha-1 without a significant yield reduction or impairment of the marketable quality. In contrast, supplying KI at the same rate resulted in a much lower iodine enrichment and clearly visible growth impairment. Soil applied iodine was phytoavailable only for a short period of time as indicated by a rapid decline of CaCl2-extractable iodine in the top soil. Consequently, long-term effects of a one-time iodine soil fertilization could not be observed. A comparison between the soil and the foliar fertilization revealed a better performance of iodine applied aerially to butterhead lettuce, which reached the desired iodine accumulation in edible plant parts at a fertilizer rate of 0.5 kg I--I ha-1. In contrast, the iodine content in the tuber of sprayed kohlrabi remained far below the targeted range. The results indicate that a sufficient spreading of iodine applied on the edible plant parts is crucial for the efficiency of the foliar approach and leafy vegetables are the more suitable target crops. The low iodine doses needed as well as the easy and inexpensive application may favor the implementation of foliar sprays as the preferred iodine biofortification strategy in practice.
Spinach is a nitrogen (N)-demanding crop characterized by a shallow root architecture. Especially in the first weeks after sowing, significant N uptake is limited to the uppermost few centimetres of the soil. However, base fertilization is usually based on the soil mineral N (Nmin) concentration in the upper 30 cm. Therefore, the objective of this study was to examine whether the soil sample depth for calculating the base N fertilization can be reduced to the 0-15 cm layer. In seven field trials, conducted during spring, summer and autumn seasons, either a low or high base fertilization dose was applied at sowing. Until top dressing, soil samples were frequently taken in the upper 0-15 and 15-30 cm layers to determine the average Nmin concentration in each layer. Top dressing was applied when the first true leaves had unfurled. With this fertilizer application, the total N supply was aligned between both treatments based on the Nmin concentration in the upper 30 cm of the soil. Aboveground fresh and dry masses were determined after reaching a fresh mass yield of 15-20 t ha‑1 and related to the mean Nmin concentration in the first 3 to 4 weeks of cultivation between sowing and top dressing. It was shown that the Nmin concentration in the upper 0-15 cm of the soil highly reflects the base fertilization rate. By contrast, the Nmin concentration in the 15-30 cm layer remained unaffected. However, the Nmin concentration of both top soil layers can affect fresh and dry mass yield at harvest. Therefore, the entire 0-30 cm soil layer should be considered when calculating the base N fertilization rate in field-grown spinach. Measurements revealed that spinach fresh and dry masses were increased until the N availability of between 54 and 59 kg ha‑1 (0-30 cm) was reached at the seedlings stage, respectively.
The break-up of the Soviet Union in 1991 triggered cropland abandonment on a continental scale, which in turn ledto carbon accumulation on abandoned land across Eurasia. Previous studies have estimated carbon accumulationrates across Russia based on large-scale modelling. Studies that assess carbon sequestration on abandoned land basedon robust field sampling are rare. We investigated soil organic carbon (SOC) stocks using a randomized samplingdesign along a climatic gradient from forest steppe to Sub-Taiga in Western Siberia (Tyumen Province). In total, SOCcontents were sampled on 470 plots across different soil and land-use types. The effect of land use on changes in SOCstock was evaluated, and carbon sequestration rates were calculated for different age stages of abandoned cropland.While land-use type had an effect on carbon accumulation in the topsoil (0–5 cm), no independent land-use effectswere found for deeper SOC stocks. Topsoil carbon stocks of grasslands and forests were significantly higher thanthose of soils managed for crops and under abandoned cropland. SOC increased significantly with time sinceabandonment. The average carbon sequestration rate for soils of abandoned cropland was 0.66 Mg C ha1yr1(1–20 years old, 0–5 cm soil depth), which is at the lower end of published estimates for Russia and Siberia. Therewas a tendency towards SOC saturation on abandoned land as sequestration rates were much higher for recentlyabandoned (1–10 years old, 1.04 Mg C ha1yr1) compared to earlier abandoned crop fields (11–20 years old,0.26 Mg C ha1yr1). Our study confirms the global significance of abandoned cropland in Russia for carbonsequestration. Our findings also suggest that robust regional surveys based on a large number of samples advancemodel-based continent-wide SOC prediction.
This chapter examines the integration of Sustainable Development Goal 5 (SDG 5) into identity-based brand management by focusing on Dove’s brand management as a case study. The Dove “Real Beauty” campaign highlights the potential for brands to address gender equality and female empowerment by aligning with pro-female and feminist principles. A narrative literature review shows how the components of identity-based brand management have been observed in scholarly discussions. Despite mixed responses and criticisms, Dove initiated important conversations around beauty standards and gender equality. The chapter emphasizes the need for authenticity, sensitivity, and continuous improvement in integrating SDG 5 into brand management while acknowledging the potential risks and limitations of consumerist therapy and false hopes. Future research could therefore explore diverse brands, industries, and cultural contexts, as well as the role of intersectionality in identity-based brand management.
Social determinants of health that influence the healthy living process in a vulnerable community
(2016)
Small-fiber neuropathy and pain sensitization in survivors of pediatric acute lymphoblastic leukemia
(2018)
Background:
Chemotherapy-induced Peripheral Neuropathy (CIPN) of large-fibers affects up to 20% of survivors of pediatric acute lymphoblastic leukemia (ALL). We aimed to describe small-fiber toxicity and pain sensitization in this group.
Methods:
In a cross-sectional, bicentric study we assessed 46 survivors of pediatric ALL (Mean age: 5.7 ± 3.5 years at diagnosis, median 2.5 years after therapy; males: 28). Inclusion criteria: ≥6 years of age, ≥3 months after last administration of Vincristine, and cumulative dose of Vincristine 12 mg/m2. We used a reduced version of the Pediatric-modified Total Neuropathy Score (Ped-mTNS) as bedside test and Quantitative Sensory Testing (QST) for assessment of small- and large-fiber neuropathy as well as pain sensitization. We employed Nerve Conduction Studies (NCS) as the most accurate tool for detecting large-fiber neuropathy.
Results:
Fifteen survivors (33%) had abnormal rPed-mTNS values (≥4 points) and 5 survivors (11%) reported pain. In QST, the survivor group showed significant (p < 0.001) inferior large-fiber function and pain sensitization when compared to healthy matched peers. We identified deficits of vibration in 33 (72%) and tactile hypoesthesia in 29 (63%), hyperalgesia to blunt pressure in 19 (41%), increased mechanical pain sensitivity in 12 (26%) and allodynia in 16 (35%) of 46 survivors. Only 7 survivors (15%) had pathologic NCS.
Conclusion:
QST is a sensitive tool that revealed signs of large-fiber neuropathy in two thirds, small-fiber neuropathy and pain sensitization in one third of survivors. Prospective studies using QST in pediatric oncology may help to elucidate the pathophysiology of small-fiber neuropathy and pain sensitization as well as their relevance for quality of survival.
Recent real-time networking developments have enabled ultra reliability, very low latency and high data rates in wired networks. Wireless networking developments have also shown that they can achieve very high data rates with consistency, but they still lack in providing ultra reliability and extremely low latency. Time Sensitive Networking (TSN) developments have brought these capabilities in Industry automation and Automotive industry too. Although TSN is standardized for wired networks for a long time, for wireless networks it will be standardized within the IEEE 802.11be standard for Wi-Fi and 3GPP Release 17 for 5G in the near future. This paper provides an overview of TSN in wired and wireless networks with the aim of comparing different simulators and presenting their offered functionality and shortcomings. These tools can be used to make oneself familiar with TSN algorithms, standards, and for the development and testing of time sensitive networks. Afterwards, the paper discusses open research questions for using TSN over wireless networks.
Purpose
The purpose of this paper is to provide a deeper understanding of how transformational leadership relates to followers' innovation implementation behavior, the psychological mechanisms of this relationship, and the role of individual perceptions of climate for initiative.
Design/methodology/approach
Perceptual data were collected from 198 employees in lower and middle management positions of a multinational automotive corporation. Relationships were tested using hierarchical regression analysis.
Findings
Results demonstrate that transformational leadership was strongly related to followers' innovation implementation behavior and that the nature of this relationship was moderated by followers' levels of perceived climate for initiative. Additionally, commitment to change fully mediated the relationship between transformational leadership and followers' innovation implementation behavior.
Research limitations/implications
The paper is based on a cross‐sectional design. A causal interpretation requires studies with experimental or longitudinal designs.
Practical implications
Companies should invest in transformational leadership training and in the selection of supervisors with this leadership style before initiating the implementation of innovations. Enhancing contextual factors, such as a perceived climate for initiative, should be promoted by integrating them into organizations' reward systems.
Originality/value
The paper is one of the first to investigate the relationship between transformational leadership and followers' innovation implementation behavior. It specifies the organizational contexts under which transformational leadership is most likely related to innovation implementation behavior, and those in which such a relationship is unlikely to occur.
As allergy towards apples is widespread, the evaluation of various cultivation and postharvest influences on the allergenic potential is of great importance. Therefore, the analysis of the Mal d 1 content was the focus of this study, originally dealing with investigating the influence of a selenium biofortification on apple quality. The Mal d 1 content of apples was in most cases reduced when the fruits were biofortified with selenium. Apple variety and climatic conditions were identified as further influencing factors for the Mal d 1 content of the fruits. The separate analysis of the peel and the fruit flesh showed that the content of Mal d 1 in the fruit flesh was significantly lower in the biofortified samples than in the controls. In conclusion, the results indicate that the selenium biofortification of apples and biochemical mechanism behind can reduce the allergenic potential regarding the content of Mal d 1.
Selecting items for Big Five questionnaires : At what sample size do factorloadings stabilize?
(2014)
Researchers often use exploratory factor analysis (EFA) to develop and refine questionnaires assessing theBig Five personality traits. We use sequential sampling and bootstrapping to determine the number ofparticipants needed to yield stable loading patterns for the Big Five Inventory (BFI) and the InternationalPersonality Item Pool Big Five measure (IPIP). Overall 21,350 participants (BFI = 10,285; IPIP = 11,065)participated. In two studies primary factor loadings are highly variable in smaller samples (n< 500)and some primary loadings are not stable with 10,000 participants. Most studies will not have adequatesample size to yield stable loading patterns for Big Five measures such as the BFI and IPIP. Researchersshould assess and report the variability of loading patterns.
Within the frame of the EU Common Agricultural Policy, most countries subsidise the establishment and maintenance of perennial flower strips on arable land within Agri-Environmental Schemes to provide foraging habitats and refuges for wildlife.
In a replicated field experiment, we studied the effects of different types of seed mixtures on the establishment and maintenance of perennial flower strips on fertile arable land in the federal state of Saxony-Anhalt, Germany over seven years. The seed mixtures were commonly applied within recent Common Agricultural Policy funding periods: (1) a low-diversity cultivar standard seed mixture (CULTIVAR), (2) a high-diversity cultivar and native plant mixture (MIX), and (3) a high-diversity native plant mixture (WILDFLOWER). All plots were mulched every year in March and at the beginning of August.
The low success of CULTIVAR triggered the massive encroachment of spontaneously established perennial grasses. In MIX, too, cultivars have disappeared after the first year. Both wildflower variants were successful in maintaining a high cover of sown perennial native forbs and a high ratio of established sown species, even after seven years. WILDFLOWER always tended to show better values than MIX. Furthermore, spontaneously establishing species began to spread their cover in MIX in the fifth year, with a very strongly increasing tendency, whereas in WILDFLOWER cover of spontaneously immigrating species stayed satisfyingly low.
Using native wildflowers to establish perennial wildflower strips was very effective in maintaining high species diversity within the Agri-Environmental Schemes funding period of five years and beyond. WILDFLOWER was especially successful. On the other hand, CULTIVAR failed completely. On fertile soils in regions with rather low yearly precipitation, mulching twice a year supported the maintenance of perennial wildflower strips.
Reconnection of floodplains to rivers to enhance fluvial dynamics is a favored method of floodplain restoration in Europe. It is believed that the restoration of hydrological conditions of the floodplain facilitates natural dispersal of target species, and hence the reestablishment, of typical plant communities. The aim of our study was to investigate whether floodplain target species could reach restoration sites via hydrochorous dispersal. We analyzed seed inflow from the river and seed dispersal in different sectors of a new watercourse in the Danube floodplain. Seeds were captured using 27 seed traps during three sampling periods of 3 weeks each from summer 2011 to spring 2012. After germination seedlings were identified, we detected a total of almost 39,000 seeds of 176 species, including 80 target species of riparian habitats. We found significant differences between seasons (most seeds in autumn/winter) and between stream sectors. Fewer seeds came in from the Danube (2,800 seeds) than were transported within the floodplain. Several new floodplain target species were detected, which had not been found in the aboveground vegetation or soil seed bank before the start of the restoration. Seeds of nonnative species did not disperse further than approximately 1 km. Our results indicated that hydrochorous seed dispersal from upstream habitats along the new watercourse was important for the establishment of target species and hence for the success of floodplain restoration. Technical water diversion weirs must be traversable for seeds, and small donor sectors upstream might enhance the reestablishment of target vegetation along new sectors downstream.
Scientific Entrepreneurship: Raising A wareness of Entrepreneurship - Strategies ans Experiences
(2011)
After foundation of the Wadden Sea National Park, grazing and artificial drainage was ceased or reduced on large areas of the salt marshes at the Schleswig-Holstein mainland coast (Northern Germany). The effect of grazing cessation versus intensive and moderate grazing on vegetation diversity was studied on small (plant species richness on plots between 0.01 and 100 m2) and large scale (vegetation type richness per hectare) over 18 to 20 years by analysing data from long-term monitoring programs. Plant species richness and vegetation type richness increased strongly over time in all management regimes, because grazing-sensitive species increased first in ungrazed marshes and later dispersed to and established in intensively grazed marshes. Dominance of the tall, late-successional grass Elymus athericus on 7% to 52% of all moderately and ungrazed (primarily high marsh) plots led to a decrease in species richness. After 18 to 20 years, species richness was highest in moderately and intensively grazed high marshes. Differences were significant only on small plots of up to 4 m2. On the large scale, vegetation type richness in the low marsh was higher without grazing, while no differences were found in the high marsh. Our results indicate that grazing effects differ between spatial scales and that different spatial scales have to be considered for monitoring and evaluation of vegetation diversity in salt marshes. To conserve vegetation diversity on all scales, a large-scale mosaic of different management regimes should be maintained.
Green roofs can mitigate negative environmental effects of urban densifcation to some extent, but they are often covered by species-poor Sedum mixtures with a low value for biodiversity. By combining a habitat template and a seedprovenance approach, we review the suitability of plant species from regionally occurring dry sandy grasslands (Koelerio-Corynophoretea) for extensive roof greening in northwestern Germany. Since 2015, we have studied the effects of species introduction on vegetation dynamics on experimental mini-roofs. Treatments included sowing seeds of regional native origin in two densities (1 g and 2 g/m2) and the transfer of raked material from an ancient dry grassland area classifed as Natura 2000 site. The applied raked material contained diaspores of 27 vascular plant species (including seven threatened species) and vegetative fragments of grasslandspecifc mosses and lichens. Since 2018, we have tested more species-rich seed mixtures in a large-scale experiment on a roof of 500 m2 with different engineered green-roof substrates and layering. In 2019, a green roof of 10,200 m2 was established in cooperation with a local enterprise to support regional native biodiversity.
In this chapter, we summarise the most important results of our studies and discuss how to support regional native biodiversity on green roofs.
Semi-solid metal alloys, as used in thixoforming, have a special microstructure of globular grains suspended in a liquid metal matrix. The material under investigation is a tin–lead alloy (Sn–15% Pb) which exhibits a similar microstructure as aluminum alloys. The experiments were performed with concentric cylinder rheometers. Initially, the liquid alloy is cooled down to the semi-solid range under constant shearing and then kept under isothermal conditions for further experimentation. The microstructure is characterized in dependence of the shearing time. The rheological techniques consisted of step change of shear rate and shear stress ramp experiments for different solid fractions (40–50%). Based on the experimental data a single phase model has been derived, where the semi-solid alloy is regarded as a homogeneous material with thixotropic properties and the microstructure is characterized by a structural parameter. The model consists of two parts: the equation of state, including a finite yield stress, and a rate equation for the structural parameter. The model equations are employed into numerical software and used for the simulation of a characteristic thixocasting process. The results are compared to real experiments.
Species dispersal, establishment, and assembly are crucial stages of the life history of plants, and clear understanding ofthe governing forces and rules that shape species composition in a particular community is vital for successful ecologicalrestoration. In this article, we focus on five aspects of seed dispersal and plant establishment, which should be consideredduring habitat restoration actions. In the first two sections, we discuss the success of spontaneous dispersal and establishmenton restoration based on either spatial dispersal or local seed banks. In the third section, we assess the possibilities ofspecies introduction and assisted dispersal. In the fourth section, we introduce some possibilities for the improvement ofestablishment success of spontaneously dispersed or introduced species. Finally, we highlight issues influencing long-termpersistence and sustainability of restored habitats, related to the alteration of management type and intensity, climate change,and spread of non-native species. With the present article, we introduce the special issue entitled “Seed dispersal and soil seedbanks – promising sources for ecological restoration” containing 15 papers by 62 authors from 10 countries arranged in theabovementioned five topics.
Despite the wealth of literature on requirements engineering, little is known about engineering very generic, innovative and emerging requirements, such as those for cross-sectional information chains. The IKM health project aims at building information chain reference models for the care of patients with chronic wounds, cancer-related pain and back pain. Our question therefore was how to appropriately capture information and process requirements that are both generally applicable and practically useful. To this end, we started with recommendations from clinical guidelines and put them up for discussion in Delphi surveys and expert interviews. Despite the heterogeneity we encountered in all three methods, it was possible to obtain requirements suitable for building reference models. We evaluated three modelling languages and then chose to write the models in UML (class and activity diagrams). On the basis of the current project results, the pros and cons of our approach are discussed.
Recent theoretical models suggest that repetitive negative thinking might be a key mechanism explaining the negative effects of maternal psychopathology on mother–infant relations. While an emerging body of research largely supports this idea, the relative importance of differences in the trajectory of repetitive negative thinking during and after pregnancy for mother–infant bonding as well as maternal depressive symptoms is currently unknown. Therefore, we investigated associations between the course of maternal repetitive negative thinking during pregnancy and after birth and mother–infant-bonding and maternal depressive symptoms in a longitudinal study. The overall level of repetitive negative thinking was a significant predictor of mother–infant bonding, maternal anxiety and rejection in dealing with her infant four months after birth. Furthermore, differences in the trajectory of repetitive negative thinking predicted bonding, but not anxiety or rejection. The overall levels of repetitive negative thinking as well as the differences in the trajectory of repetitive negative thinking were significant predictors of maternal depressive symptoms. These findings indicate that changes of repetitive negative thinking during and after pregnancy can increase the risk of postpartum depressive symptoms.
Within the consortium “Experimentation Field Agro-Nordwest”, a practical concept for knowledge and technology transfer of digital competence in agriculture was created. For this purpose, the web-based e-learning system “SensX” was set up, consisting of videos, presentations and instructions. In addition, the classical e-learning concept was extended by data sets, student experiments and sensor data of plants acquired by a remote phenotyping robot. This resulted in a massive open online course (MOOC), which was tested with agricultural and biotechnology students in higher education at the University of Applied Sciences Osnabrück over two years. The evaluation process of “SensX” included an empirical survey, qualitative interviews of the participating students by an external institution and an evaluation of the concept by the lecturers.