bluuebunny/crossref_metadata_2025_split huggingface dataset:
An example of meso‐scale hydrographic features in the central Baltic Sea and their influence on the distribution and vertical migration of sprat, Sprattus sprattus balticus (Schn.)
Authors: STEPPUTTIS DANIEL , HINRICHSEN HANS‐HARALD , BÖTTCHER UWE , GÖTZE EBERHARD , MOHRHOLZ VOLKER 
Published: December 2010

AbstractA wind‐driven meso‐scale pattern of temperature, salinity and oxygen was found along a transect in the northern Bornholm Basin (southern Baltic Sea). Strong winds caused currents along this transect, which shifted cold intermediate water (minimum: 3.6°C) towards the south. The transect was surveyed with a towed CTD‐system and hydroacoustics in parallel to investigate the distribution of sprat, Sprattus sprattus balticus (Schn.) in relation to the observed meso‐scale pattern. In those parts of the transect where the cold intermediate water was observed, sprat were restricted to water layers below the halocline. In other parts of the transect, sprat moved into higher water layers and occupied a wider depth range. The important factor was temperature, which set an upper limit to the vertical sprat distribution. The development of hydrography, as measured in the field, was evaluated with a hydrodynamic model.
Adoption and the communication of genetic risk: experiences in Huntington disease
Authors: Bombard Y , Semaka A , Hayden MR 
Published: December 2010

Bombard Y, Semaka A, Hayden MR. Adoption and the communication of genetic risk: experiences in Huntington disease.Adoption can present significant challenges when seeking or communicating genetic risk information. Adoption agencies can use genetic information to determine the eligibility of prospective adoptive parents and to establish a child's suitability for adoption. We describe experiences and implications of communicating genetic risk for Huntington disease (HD) in the context of adoption. A secondary analysis was employed using data collected from a cross‐sectional survey (n = 233) and two qualitative studies on the psychosocial effects of predictive testing for HD. We demonstrate several ethical and practical challenges in the search for and communication of genetic information for adoptees and their birth relatives. We also found that concern for adoption discrimination was reported by 13.7% of survey respondents (n = 32). Concerns were higher among tested respondents than those who had not been tested (n = 29 vs n = 3, p = 0.010). However, more respondents were concerned about being discriminated based on their family history (FHx) vs their genetic test results (GTR) (concern based on FHx: n = 18 vs based on GTR: n = 1 vs based on both: n =10). These findings contribute to the limited empirical literature by offering evidence on the experiences and implications of communicating genetic risk information in the context of adoption with reference to HD.
Retracted: Growth, ion homeostasis, photosynthesis and photosystem II efficiency of an obligate halophyte, Salicornia brachiata, under increasing salinity
Authors: Parida A. K. , Hari Kishore C. M. , Jha B. 
Published: December 2010

The following article from Plant Biology, “Growth, ion homeostasis, photosynthesis and photosystem II efficiency of an obligate halophyte, Salicornia brachiata, under increasing salinity (p)” by A. K. Parida, C. M. Hari Kishore & B. Jha, published online on 1 April 2010 (DOI: 10.1111/j.1438‐8677.2010.00336.x) in Wiley InterScience (http://www.interscience.wiley.com), has been retracted by agreement between the authors, the journal Editor‐in‐Chief, Heinz Rennenberg and Blackwell Publishing Ltd.The retraction has been agreed due to concern about overlap with the article “Relationship between the photosynthetic activity and the performance of Cakile maritima after long‐term salt treatment” by Ahmed Debez, Hans‐Werner Koyro, Claude Grignon, Chedly Abdelly, Bernhard Huchzermeyer published in Physiologia Plantarum (2008) vol. 133, 373‐385.
Vascular risk factors and progression in Alzheimer's disease
Authors: Sakurai Hirofumi , Hanyu Haruo , Sato Tomohiko , Kanetaka Hidekazu , Shimizu Soichiro , Hirao Kentaro , Kikukawa Masayuki , Iwamoto Toshihiko 
Published: December 2010

Aim:  To determine whether vascular risk factors such as hypertension, diabetes and hypercholesterolemia affect the progression of Alzheimer's disease (AD).Methods:  We followed up 150 consecutive outpatients with probable AD for 24–60 months. Severity of cognitive impairment was assessed using the Mini‐Mental State Examination (MMSE). We investigated the influence of vascular risk factors and other demographic and clinical conditions (including age, sex, education, initial MMSE score and follow‐up time) on annual MMSE score changes.Results:  Multiple regression analysis revealed that age, education and hypertension were significant variables associated with annual MMSE score changes. Younger, more educated patients with hypertension showed greater decline in annual MMSE scores. There were no significant correlations of annual MMSE score changes with other vascular factors or demographics, including sex, initial MMSE score, diabetes or hypercholesterolemia.Conclusion:  Younger, more educated patients are more likely to have faster cognitive decline. In addition, hypertension may also be associated with a greater rate of disease progression. Our results suggest the importance of prevention and treatment for hypertension in patients with AD. Geriatr Gerontol Int 2011; 11: 211–214.
Plasma sex hormone levels and mortality in disabled older men and women
Authors: Fukai Shiho , Akishita Masahiro , Yamada Shizuru , Ogawa Sumito , Yamaguchi Kiyoshi , Kozaki Koichi , Toba Kenji , Ouchi Yasuyoshi 
Published: December 2010

Aim:  To investigate the relationship between circulating sex hormone levels and subsequent mortality in disabled elderly.Methods:  This prospective observational study was comprised of 214 elderly subjects aged 70–96 years (117 men and 97 women; mean ± standard deviation age, 83 ± 7 years), receiving services at long‐term care facilities in Nagano, Japan. All‐cause mortality by baseline plasma sex hormone levels was measured.Results:  After excluding deaths during the first 6 months, 27 deaths in men and 28 deaths in women occurred during a mean follow up of 32 months and 45 months (up to 52 months), respectively. Mortality rates differed significantly between high and low testosterone tertiles in men, but did not differ significantly between middle and low tertiles. Compared with subjects in the middle and high tertiles, men with testosterone levels in the low tertile (<300 ng/dL) were more likely to die, independent of age, nutritional status, functional status and chronic disease (hazard ratio [HR] = 3.27, 95% confidence interval [CI] = 1.24–12.91). In contrast, the low dehydroepiandrosterone sulfate (DHEA‐S) tertile was associated with higher mortality risk in women (multivariate adjusted HR = 4.42, 95% CI = 1.51–12.90). Exclusion of deaths during the first year and cancer deaths had minimal effects on these results. DHEA‐S level in men and testosterone and estradiol levels in women were not related to mortality.Conclusion:  Low testosterone in men and low DHEA‐S in women receiving care at facilities are associated with increased mortality risk, independent of other risk factors and pre‐existing health conditions. Geriatr Gerontol Int 2011; 11: 196–203.
Microcystin production and ecological physiology of Caribbean black band disease cyanobacteria
Authors: Stanić Dina , Oehrle Stuart , Gantar Miroslav , Richardson Laurie L. 
Published: December 2010

SummaryMolecular studies of black band disease (BBD), a coral disease found on tropical and subtropical reefs worldwide, have shown that one 16S rRNA gene sequence is ubiquitous. This sequence has been reported to be a member of the cyanobacterial genus Oscillatoria. In this study, extracts of two cultured laboratory strains of BBD Oscillatoria, and for comparison two strains of BBD Geitlerinema, all isolated from reefs of the wider Caribbean, were analysed using Ultra‐Performance Liquid Chromatography‐Tandem Quad Mass Spectrometry (UPLC‐MS/MS). The cyanotoxin microcystin‐LR (MC‐LR) was found in all strains, and one Geitlerinema strain additionally produced MC‐YR. Growth experiments that monitored toxin production using enzyme‐linked immunosorbent assay (ELISA) showed that BBD Oscillatoria produced yields of MC‐LR equivalent (0.02–0.04 mg g−1) independent of biomass and culture conditions (varying temperature, pH, light and organic carbon). This pattern is different from BBD Geitlerinema, which increased production of MC‐LR equivalent in the presence of organic carbon in the light and dark and at a relatively lower temperature. These results indicate that different species and strains of BBD cyanobacteria, which can occur in the same BBD infection, may contribute to BBD pathobiology by producing different toxins and different amounts of toxin at different stages in the disease process. This is the first detailed study of laboratory cultures of the ubiquitous BBD cyanobacterium Oscillatoria sp. isolated from Caribbean reefs.
Challenging the coherence of social justice as a shared nursing value
Authors: Lipscomb Martin 
Published: December 2010

AbstractNormative and prescriptive claims regarding social justice are often inadequately developed in the nursing literature and, in consequence, they must be rejected in their current form. Thus, claims regarding social justice are frequently presented as mere assertion (without clarification or supporting argument) or, alternatively, when assertions are supported that support may be weak (e.g. social justice is repeated juxtaposed against contentious assumptions regarding market disutility). This paper challenges the coherence of social justice as a shared nursing value and it is suggested that claims regarding the concept should be tempered.
Entrepreneurial Origin, Technological Knowledge, and the Growth of Spin‐Off Companies
Authors: Clarysse Bart , Wright Mike , Van de Velde Els 
Published: December 2010

abstractWe contribute to the literature on corporate spin‐offs and university spin‐offs by exploring how different characteristics in the technological knowledge base at start‐up influence spin‐off performance. We investigate how the technological knowledge characteristics endowed at start‐up predict growth, taking into account whether the knowledge/technology is transferred from a corporation or university. We use a novel, hand‐collected dataset involving 48 corporate and 73 university spin‐offs, comprising the population of spin‐offs in Flanders during 1991–2002. We find corporate spin‐offs grow most if they start with a specific narrow‐focused technology sufficiently distinct from the technical knowledge base of the parent company and which is tacit. University spin‐offs benefit from a broad technology which is transferred to the spin‐off. Novelty of the technical knowledge does not play a role in corporate spin‐offs, but has a negative impact in university spin‐offs unless universities have an experienced technology transfer office to support the spin‐off.
Political Heterarchy and Dispersed Entrepreneurship in the MNC
Authors: Williams Christopher , Lee Soo Hee 
Published: December 2010

abstractWe develop and test a new perspective on dispersed entrepreneurship within the multinational corporation (MNC). Various literatures suggest that corporate, subsidiary, and individual level factors can lead to entrepreneurial initiatives diffusing outward from a subsidiary to other MNC units. We extend this to include political heterarchy (mechanisms by which subsidiary managers enhance their power base through heterarchy) as both direct and moderating factor. Using a survey of 135 managers in a wide range of MNC subsidiaries, we find that a tolerance for local initiative (subsidiary level), subsidiary manager proactivity (individual level), and political heterarchy directly influence initiative diffusion. In terms of moderating effects, political heterarchy is seen to activate corporate level entrepreneurial strategy. We show how political heterarchy is central to dispersed entrepreneurship within the MNC and highlight the positive function of networked organizational politics in rejuvenating the international firm.
Revitalizing Entrepreneurship: The Search for New Research Opportunities
Authors: Hoskisson Robert E. , Covin Jeffrey , Volberda Henk W. , Johnson Richard A. 
Published: December 2010

abstractEntrepreneurship research has traditionally focused on opportunity recognition and resource formation as processes that foster the emergence of new business ventures, through both the lens of the individual entrepreneur and corporate venturing. Although we observe that research is vibrant in these traditional areas, we also argue that the continued revitalization of the field of entrepreneurship can be fostered through examining opportunities for research in areas such as industry change and competition, inter‐organizational cooperation (which has proliferated more recently), university‐sponsored entrepreneurship, venture finance, institutional differences that foster entrepreneurship (primarily between different countries), and appropriability regime differences (including legal and regulatory frameworks) that foster entrepreneurial activities and profit appropriation. Besides pointing scholars to new promising directions, we argue for more attention to the transformational role of entrepreneurship itself by issuing a call for more multi‐level research efforts that connect the micro‐ and macro‐foundations of entrepreneurship and explore the revitalization‐related uncertainties such as the cost of creating an entrepreneurial orientation and whether there is an optimal level.
THE IMPACT OF INTERNATIONAL OUTSOURCING ON LABOUR MARKET DYNAMICS IN GERMANY
Authors: Bachmann Ronald , Braun Sebastian 
Published: December 2010

ABSTRACTUsing an administrative data set containing daily information on individual workers' employment histories, we investigate how workers' labour market transitions are affected by international outsourcing. In order to do so, we estimate hazard rate models for match separations, as well as for worker flows from employment to another job, to unemployment, and to nonparticipation. Outsourcing has a positive but small impact on overall job stability in the manufacturing sector, and considerably increases job stability in the service sector. However, the effect of outsourcing varies strongly across skill levels and age groups, with negative effects for some workers. This is especially the case in the manufacturing sector, where the hazard of transiting to nonemployment rises with international outsourcing for medium‐skilled and older workers.
DO WOMEN MANAGE SMALLER FUNDS?
Authors: Hübler Olaf , Menkhoff Lukas 
Published: December 2010

ABSTRACTBased on a sample of 467 asset managers from four countries we robustly find that women manage smaller funds than men, despite tough competition in this industry. Interestingly, the gender gap exists only for managers of smaller funds, i.e. at the lower end of the hierarchy, as quantile regressions show. This is inconsistent with the glass ceiling hypothesis. Going further, this gender gap is limited to large firms. Explanations may refer to large firms using market power in the area of smaller funds or to ‘visibility’ among top asset managers protecting against unequal treatment of the sexes.
Consumer coping strategies: a study of consumers committed to eating local
Authors: Bingen Jim , Sage Julie , Sirieix Lucie 
Published: December 2010

AbstractThis paper deals with consumer coping strategies when consumers experience difficulties in implementing an innovation. The particular setting for exploring this issue is a group of consumers in Michigan who are committed to eating local. The paper explores how these consumers cope or balance their commitment to eating local with the constraints they face on buying and preparing local food Following a literature review of coping strategy and consumer coping strategies in relation to innovations, the paper presents the results of three focus groups conducted with members of a Student Organic Farm, a food cooperative and a Slow Food Convivium.The consumers we interviewed mostly adopt problem‐centred, confrontative strategies: they change their food‐consumption habits including shopping, purchasing, cooking, storing and obviously, eating. None of these changes are easy to implement, and most require re‐allocations of time as well as trade‐offs to overcome time and cost barriers. In return, some of these consumers feel empowered.This study allows us to offer a working hypothesis that the process is dynamic: the more committed consumers are, the more they adopt problem‐centred, confrontative strategies and forget more fatalist emotion‐centred or avoidance strategies. These findings contribute to literature on consumers' coping strategies and suggest future research avenues.
Reference prices and consumers' feeling of regret: an investigation of consumers' use of an online price‐bidding method
Authors: Cai Yi , Cude Brenda 
Published: December 2010

AbstractThe purpose of the research was to provide a better understanding of the impacts of relevant information on consumers' emotions when bidding their prices through an online Name‐Your‐Own‐Price method. Specifically, based on the tenets of the Decision Justification Theory, the study examined whether participants felt more regret about a negative outcome when reference prices were available. The research hypotheses were tested in two experiments. The results indicated that the availability of reference prices significantly affected participants' feelings of regret about a negative outcome.
β1‐Adrenergic receptors activate two distinct signaling pathways in striatal neurons
Authors: Meitzen John , Luoma Jessie I. , Stern Christopher M. , Mermelstein Paul G. 
Published: December 2010

J. Neurochem. (2011) 116, 984–995.AbstractMonoamine action in the dorsal striatum and nucleus accumbens plays essential roles in striatal physiology. Although research often focuses on dopamine and its receptors, norepinephrine (NE) and adrenergic receptors are also crucial in regulating striatal function. While noradrenergic neurotransmission has been identified in the striatum, little is known regarding the signaling pathways activated by β‐adrenergic receptors in this brain region. Using cultured striatal neurons, we characterized a novel signaling pathway by which activation of β1‐adrenergic receptors leads to the rapid phosphorylation of cAMP response element binding protein (CREB), a transcription‐factor implicated as a molecular switch underlying long‐term changes in brain function. NE‐mediated CREB phosphorylation requires β1‐adrenergic receptor stimulation of a receptor tyrosine kinase, ultimately leading to the activation of a Ras/Raf/MEK/MAPK/MSK signaling pathway. Activation of β1‐adrenergic receptors also induces CRE‐dependent transcription and increased c‐fos expression. In addition, stimulation of β1‐adrenergic receptors produces cAMP production, but surprisingly, β1‐adrenergic receptor activation of adenylyl cyclase was not functionally linked to rapid CREB phosphorylation. These findings demonstrate that activation of β1‐adrenergic receptors on striatal neurons can stimulate two distinct signaling pathways. These adrenergic actions can produce long‐term changes in gene expression, as well as rapidly modulate cellular physiology. By elucidating the mechanisms by which NE and β1‐adrenergic receptor activation affects striatal physiology, we provide the means to more fully understand the role of monoamines in modulating striatal function, specifically how NE and β1‐adrenergic receptors may affect striatal physiology.
New ligament healing model based on tissue‐engineered collagen scaffolds
Authors: Robayo Lina M. , Moulin Véronique J. , Tremblay Pierrot , Cloutier Réjean , Lamontagne Jean , Larkin Anne‐Marie , Chabaud Stéphane , Simon Franck , Islam Nazrul , Goulet Francine 
Published: December 2010

ABSTRACTThe anterior cruciate ligament (ACL) is often the target of knee trauma. This ligament does not heal very well, leading to joint instability. Long‐term instability of the knee can lead to early arthritis and loss of function. To develop efficient strategies to stimulate posttraumatic ACL regeneration in vivo, a good healing model is needed in vitro. Such a model must remain as simple as possible, but should include key features to provide relevant answers to precise questions about the clinical problem addressed. Here, we report tissue‐engineered type I collagen scaffolds developed to establish an ACL healing model in vitro and a potential ACL substitute in vivo. Such scaffolds were used to evaluate ACL cell growth, migration, and the capacity to synthesize and assemble collagen fibers for up to 40 days in vitro and up to 180 days in vivo. They were anchored with two bone plugs to allow their static stretching in culture and to facilitate their surgical implantation in knee joints. Our results have shown that living ACL fibroblasts can attach, migrate, and colonize this type of scaffold. In vitro, the cells populated the scaffolds and expressed mRNAs coding for the prolyl‐4‐hydroxylase, involved in collagen fibers' assembly. In vivo, acellular implants were vascularized and populated with caprine cells that migrated from the osseous insertions toward the center of the grafts. This model is a very good tool to study ACL repair and identify the factors that could accelerate its healing postsurgery.
A Primer of Ecology with R by STEVENS, M. H. H.
Authors: Sólymos Péter 
Published: December 2010

A Primer of Ecology with R(M. H. H. Stevens)Péter SólymosHandbook on Analyzing Human Genetic Data: Computational Approaches and Software(S. Lin and H. Zhao, Editors)Peter M. VisscherFrom Finite Sample to Asymptotic Methods in Statistics(P. K. Sen, J. M. Singer, and A. C. Pedroso de Lima)Miodrag LovricDynamic Linear Models with R(G. Petris, S. Petrone, and P. Campagnoli)Helio S. MigonFunctional Data Analysis with R and Matlab(J. O. Ramsay, G. Hooker, and S. Graves)Hervé CardotContinuous Bivariate Distributions, 2nd edition(N. Balakrishnan and C.‐D. Lai)Márcia D'Elia BrancoBrief Reports by the EditorThe Elements of Statistical Learning: Data Mining, Inference, and Prediction, 2nd edition.(T. Hastie, R. Tibshirani, and J. Friedman)Gene Expression Studies Using Affymetrix Microarrays(H. Göhlmann and W. Talloen)