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  • Wiley  (15)
  • Molecular Diversity Preservation International  (12)
  • AMER GEOPHYSICAL UNION  (2)
  • Blackwell Publishing Ltd  (2)
  • Cambridge University Press  (2)
  • American Chemical Society (ACS)
  • ZBW - Deutsche Zentralbibliothek für Wirtschaftswissenschaften, Leibniz-Informationszentrum Wirtschaft Kiel, Hamburg
Collection
Publisher
Years
  • 1
    Electronic Resource
    Electronic Resource
    MARKTMACHT, GEWERKSCHAFTEN UND LOHNHÖHE IN DER INDUSTRIE DER BUNDESREPUBLIK DEUTSGHLAND (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Kyklos 33 (1980), S. 0 
    Details
    ISSN: 1467-6435
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Sociology , Economics
    Notes: Interindustrial wage differences in West Germany are explained by trade unions’ pressure (unionism, strike intensity), sellers’ market power (concentration, profits, vertical integration, cartels, and international trade), and fluctuations among labour force. The inverse relationship between concentration and wages can, theoretically, be traced back to monopoly and it is suggested that concentration should primarily be considered as an indicator of monopoly power. Vertical integration of successive stages of production within a single firm appears to entail efficiency gains on balance whereas in the case of cartels of the kind permitted in West Germany, monopolizing and efficiency raising effects appear to just cancel.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-6435.1980.tb02633.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    N2-fixation and complementary chromatic adaptation in non-heterocystous cyanobacteria from Lake Constance (2001)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 37 (2001), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Non-heterocystous, mostly filamentous cyanobacteria were isolated from the crust of stones, from the periphyton of two macrophytes from the littoral zone and from the pelagic environment of Lake Constance. All isolates were cultivated as unialgal strains. DNA analysis by restriction fragment length polymorphism with the psbA gene probe revealed high genetic diversity among the strains from the littoral zone. For all genotypes, the occurrence of the nifH gene encoding a nitrogenase subunit and of genes encoding subunits of phycoerythrin and phycocyanin were tested by Southern blot hybridization. In addition, the isolates were investigated for their ability for complementary chromatic adaptation (CCA) and for anaerobic N2-fixation. With respect to these characteristics, all cyanobacteria included in this study were assigned to four different types: (1) strains without the capability to fix N2 or to perform CCA of the group III type (CCA III); (2) strains which show both features; (3) strains with the ability to fix nitrogen, but that do not show any CCA III; and (4) strains that produce phycoerythrin, but without the capacity for CCA III or N2-fixation. By examining the frequency distribution of isolates, these types were shown to prefer different habitats. While cyanobacterial strains capable of N2-fixation, but without CCA III, were mainly obtained from stone crusts in the supralittoral zone, those with the potential for N2-fixation as well as for CCA III were largely isolated from submersed macrophytes. Cyanobacteria that produce phycoerythrin, but do not perform CCA III or N2-fixation, were found in the pelagic zone only.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6941.2001.tb00859.x
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  • 3
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    Arctic Ocean response to Greenland Sea wind anomalies in a suite of model simulations (2019)
    Wiley
    Details
    Publication Date: 2019
    Description: Abstract Multi‐model Arctic Ocean ``Climate Response Function” (CRF) experiments are analyzed in order to explore the effects of anomalous wind forcing over the Greenland Sea (GS) on poleward ocean heat transport, Atlantic Water (AW) pathways, and the extent of Arctic sea ice. Particular emphasis is placed on the sensitivity of the AW circulation to anomalously strong or weak GS winds in relation to natural variability, the latter manifested as part of the North Atlantic Oscillation (NAO). We find that anomalously strong (weak) GS wind forcing, comparable in strength to a strong positive (negative) NAO index, results in an intensification (weakening) of the poleward AW flow, extending from south of the North Atlantic Subpolar Gyre, through the Nordic Seas, and all the way into the Canadian Basin. Reconstructions made utilizing the calculated CRFs explain ~50 % of the simulated AW flow variance; this is the proportion of variability that can be explained by GS wind forcing. In the Barents and Kara Seas there is a clear relationship between the wind‐driven anomalous AW inflow and the sea ice extent. Most of the anomalous AW heat is lost to the atmosphere, and loss of sea ice in the Barents Sea results in even more heat loss to the atmosphere, and thus effective ocean cooling. Release of passive tracers in a subset of the suite of models reveals differences in circulation patterns and shows that the flow of AW in the Arctic Ocean is highly dependent on the wind stress in the Nordic Seas.
    Print ISSN: 2169-9275
    Electronic ISSN: 2169-9291
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 4
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    Simulated heat flux and sea ice production at coastal polynyas in the southwestern Weddell Sea (2013)
    Wiley
    Details
    Publication Date: 2013-03-19
    Description: [1]  Coastal polynyas are areas in an ice-covered ocean where the ice cover is exported, mostly by off-shore winds. The resulting reduction of sea ice enables an enhanced ocean–atmosphere heat transfer. Once the water temperatures are at the freezing point, further heat loss induces sea ice production. The heat exchange and ice production in coastal polynyas in the southwestern Weddell Sea is addressed using the Finite-Element Sea-ice Ocean Model, a primitive-equation, hydrostatic ocean circulation model coupled with a dynamicthermodynamic sea-ice model, which allows to quantify the amount of heat associated with cooling of the water column. Three important polynya regions are identified: at Brunt Ice Shelf, at Ronne Ice Shelf and along the southern part of the Antarctic Peninsula. Multiyear winter means (May-September 1990–2009) give an upward heat flux to the atmosphere of 311 W/m 2 in the Brunt polynyas, 511 W/m 2 in Ronne Polynya and 364 W/m 2 in the Antarctic Peninsula polynyas, whereof 57 W/m 2 , 49 W/m 2 and 48 W/m 2 , respectively, are supplied as oceanic heat flux from deeper layers. The mean winter sea ice production is 7.2 cm/d in the Brunt polynyas corresponding to an ice volume of 1.3 · 10 10   m 3 /winter, 13.2 cm/d at Ronne polynya (4.4 · 10 10   m 3 /winter), and 9.2 cm/d in the Antarctic Peninsula polynyas (2.1 · 10 10   m 3 /winter. The heat flux to the atmosphere inside polynyas is 7 to 9 times higher than the heat flux in the adjacent area; polynya ice production per unit area exceeds adjacent values by a factor of 9 to 14.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 5
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    Sea ice motion and open water area at the Ronne Polynia, Antarctica: SAR observations vs. model results (2013)
    Wiley
    Details
    Publication Date: 2013-03-14
    Description: [1]  This study deals with observations and simulations of the evolution of coastal polynias focusing on the Ronne Polynia. We compare differences in polynia extent and ice drift patterns derived from satellite radar images and from simulations with the Finite Element Sea ice Ocean Model (FESOM), employing three atmospheric forcing data sets that differ in spatial and temporal resolution. Two polynia events are analysed, one from austral summer and one from late fall 2008. The open water area in the polynia is of similar size in the satellite images and in the model simulations, but its temporal evolution differs depending on katabatic winds being resolved in the atmospheric forcing data sets. Modelled ice drift is slower than the observed and reveals greater turning angles relative to the wind direction in many cases. For the summer event, model results obtained with high-resolution forcing are closer to the drift field derived from radar imagery than those from coarse-resolution forcing. For the late-fall event, none of the forcing data yields outstanding results. Our study demonstrates that a dense (1-3 km) model grid and atmospheric forcing provided at high spatial resolution (〈50 km) are critical to correctly simulate coastal polynias with a coupled sea-ice ocean model.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 6
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    Long-Term Stability of Human Plasma Metabolites during Storage at −80 °C (2017)
    American Chemical Society (ACS)
    Details
    Publication Date: 2017-11-29
    Description: Journal of Proteome Research DOI: 10.1021/acs.jproteome.7b00518
    Print ISSN: 1535-3893
    Electronic ISSN: 1535-3907
    Topics: Chemistry and Pharmacology
    Published by American Chemical Society (ACS)
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  • 7
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    Job Satisfaction as a Driver for Sustainable Development in the Hospitality Industry? Evidence from the Alpine Region (2020)
    Molecular Diversity Preservation International
    Details
    Publication Date: 2020-08-20
    Description: This study investigated the drivers of job satisfaction in the Alpine tourism industry. Intention to work in the profession in the future and training satisfaction were also examined. A total of 316 employees in two Alpine tourism regions were interviewed by means of a questionnaire and asked about the factors influencing their job satisfaction, their intention to remain in the sector, and their satisfaction with training. The results reveal significant differences between the two regions in the dimensions of appreciation, international job opportunities, compatibility of family life and career, workplace climate, working hours, and remuneration. The findings also highlight differences in training satisfaction and intention to remain in the job. These regional differences provide important insights into job satisfaction and the influences upon it, from which various approaches to pursuing sustainable development potential can be derived, including personnel management, reduction of employee turnover, and appreciative corporate culture towards guests and employees as well as image cultivation among the general public.
    Electronic ISSN: 2071-1050
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by Molecular Diversity Preservation International
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  • 8
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    Lipidomic Phenotyping Reveals Extensive Lipid Remodeling during Adipogenesis in Human Adipocytes (2020)
    Molecular Diversity Preservation International
    Details
    Publication Date: 2020-05-26
    Description: Differentiation of preadipocytes into mature adipocytes is a highly complex cellular process. At lipidome level, the adipogenesis remains poorly characterized. To investigate the lipidomic changes during human adipogenesis, we used the LipidyzerTM assay, which quantified 743 lipid species from 11 classes. The undifferentiated human SGBS cell strain showed a heterogeneous lipid class composition with the most abundant classes, phosphatidylethanolamines (PE), phosphatidylcholines (PC), and sphingomyelins (SM). The differentiation process was accompanied by increased ceramide concentrations. After completion of differentiation around day 4, massive lipid remodeling occurred during maturation, characterized by substantial synthesis of diacylglycerols (DAG), lysophosphatidylethanolamines (LPE), PC, PE, SM, and triacylglycerols (TAG). Lipid species composition became more homogeneous during differentiation to highly concentrated saturated and monounsaturated long-chain fatty acids (LCFA), with the four most abundant being C16:0, C16:1, C18:0, and C18:1. Simultaneously, the amount of polyunsaturated and very long-chain fatty acids (VLCFA) markedly decreased. High negative correlation coefficients between PE and PC species containing VLCFA and TAG species as well as between ceramides and SM imply that PE, PC, and ceramides might have served as additional sources for TAG and SM synthesis, respectively. These results highlight the enormous remodeling at the lipid level over several lipid classes during adipogenesis.
    Electronic ISSN: 2218-1989
    Topics: Biology , Medicine
    Published by Molecular Diversity Preservation International
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  • 9
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    Characterization of Bulk Phosphatidylcholine Compositions in Human Plasma Using Side-Chain Resolving Lipidomics (2019)
    Molecular Diversity Preservation International
    Details
    Publication Date: 2019-06-08
    Description: Kit-based assays, such as AbsoluteIDQTM p150, are widely used in large cohort studies and provide a standardized method to quantify blood concentrations of phosphatidylcholines (PCs). Many disease-relevant associations of PCs were reported using this method. However, their interpretation is hampered by lack of functionally-relevant information on the detailed fatty acid side-chain compositions as only the total number of carbon atoms and double bonds is identified by the kit. To enable more substantiated interpretations, we characterized these PC sums using the side-chain resolving LipidyzerTM platform, analyzing 223 samples in parallel to the AbsoluteIDQTM. Combining these datasets, we estimated the quantitative composition of PC sums and subsequently tested their replication in an independent cohort. We identified major constituents of 28 PC sums, revealing also various unexpected compositions. As an example, PC 16:0_22:5 accounted for more than 50% of the PC sum with in total 38 carbon atoms and 5 double bonds (PC aa 38:5). For 13 PC sums, we found relatively high abundances of odd-chain fatty acids. In conclusion, our study provides insights in PC compositions in human plasma, facilitating interpretation of existing epidemiological data sets and potentially enabling imputation of PC compositions for future meta-analyses of lipidomics data.
    Electronic ISSN: 2218-1989
    Topics: Biology , Medicine
    Published by Molecular Diversity Preservation International
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  • 10
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    Metabolite Shifts Induced by Marathon Race Competition Differ between Athletes Based on Level of Fitness and Performance: A Substudy of the Enzy-MagIC Study (2020)
    Molecular Diversity Preservation International
    Details
    Publication Date: 2020-03-01
    Description: This study compared metabolite shifts induced by training for, participation in, and recovery from a marathon race competition among athletes divided into three groups based on fitness (relative maximum oxygen uptake (VO2max)) and performance levels (net running time). Plasma samples from 76 male runners participating in the Munich Marathon were analyzed for metabolite shifts using a targeted metabolomics panel. For the entire cohort of runners, pronounced increases were measured immediately after the race for plasma concentrations of acylcarnitines (AC), the ratio (palmitoylcarnitine + stearoylcarnitine)/free carnitine that is used as a proxy for the activity of the mitochondrial enzyme carnitine palmitoyltransferase, and arginine-related metabolites, with decreases in most amino acids (AA) and phospholipids. Plasma levels of AA and phospholipids were strongly increased 24 and 72 h post-race. Post-race plasma concentrations of AC and arginine-related metabolites were higher in the low compared to top performers, indicating an accumulation of fatty acids and a reliance on protein catabolism to provide energy after the marathon event. This study showed that marathon race competition is associated with an extensive and prolonged perturbation in plasma metabolite concentrations with a strong AC signature that is greater in the slower, less aerobically fit runners. Furthermore, changes in the arginine-related metabolites were observed.
    Electronic ISSN: 2218-1989
    Topics: Biology , Medicine
    Published by Molecular Diversity Preservation International
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