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  • 2005-2009  (90)
  • 1990-1994  (45)
  • 1960-1964  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Informal contacts and performance in innovation teams (2005)
    Bingley : Emerald
    International journal of manpower 26 (2005), S. 513-528 
    Details
    ISSN: 0143-7720
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Purpose - The paper addresses the effect friendly and friendship relationships among members of innovation teams on the performance of the teams. Design/methodology/approach - The members of innovation teams may develop friendly and friendship relationships over time. In our study, we focus on the effect of the frequency of such non-work relationships on team performance. For this research, we collected full network data on non-work relationships in a sample of 44 innovation teams and investigate how these "friendly and friendship networks" affect the performance of innovation teams. Findings - As result turns out that the frequency of friendly ties has positive as well as negative consequences on team performance, whereas the frequency of friendship ties positively relates to the performance. Research limitations/implications - The results indicate the importance of informal relations for the performance of innovation teams. Further, it is shown that friendly and friendship relations have different theoretical and practical implications. Future research can overcome the limitations of the presented research by concentrating on larger sample sizes and longitudinal research designs. Practical implications - Building on the results of the study managers can better orchestra innovation teams focussing not only on formal but also on informal contacts. The main practical implication is to strive for friendship contacts and to avoid too strong friendly contacts. Originality/value - The study adds knowledge to the research on informal relationships and performance two-fold. First, the findings testify that friendly and friendship contacts are different and not part of the same dimension, and there is strong evidence for the importance of informal contacts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/01437720510625430
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  • 2
    Electronic Resource
    Electronic Resource
    PKA and Sch9 control a molecular switch important for the proper adaptation to nutrient availability (2005)
    Oxford, UK : Blackwell Science Ltd
    Molecular microbiology 55 (2005), S. 0 
    Details
    ISSN: 1365-2958
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: In the yeast Saccharomyces cerevisiae, PKA and Sch9 exert similar physiological roles in response to nutrient availability. However, their functional redundancy complicates to distinguish properly the target genes for both kinases. In this article, we analysed different phenotypic read-outs. The data unequivocally showed that both kinases act through separate signalling cascades. In addition, genome-wide expression analysis under conditions and with strains in which either PKA and/or Sch9 signalling was specifically affected, demonstrated that both kinases synergistically or oppositely regulate given gene targets. Unlike PKA, which negatively regulates stress-responsive element (STRE)- and post-diauxic shift (PDS)-driven gene expression, Sch9 appears to exert additional positive control on the Rim15-effector Gis1 to regulate PDS-driven gene expression. The data presented are consistent with a cyclic AMP (cAMP)-gating phenomenon recognized in higher eukaryotes consisting of a main gatekeeper, the protein kinase PKA, switching on or off the activities and signals transmitted through primary pathways such as, in case of yeast, the Sch9-controlled signalling route. This mechanism allows fine-tuning various nutritional responses in yeast cells, allowing them to adapt metabolism and growth appropriately.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2958.2004.04429.x
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  • 3
    Electronic Resource
    Electronic Resource
    Influence of preparation method on the metal cluster size of platinum/ZSM-5 catalysts as studied with EXAFS (1990)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 94 (1990), S. 8574-8578 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100386a017
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  • 4
    Electronic Resource
    Electronic Resource
    Managing industrial pharmaceutical R&D. A comparative study of management control and innovative effectiveness in European and Anglo-American companies (1994)
    Oxford, UK : Blackwell Publishing Ltd
    R & D management 24 (1994), S. 0 
    Details
    ISSN: 1467-9310
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Drug regulation and pricing have put strong pressure on the cost-benefit ratio of the innovative pharmaceutical industry. Therefore a study has been conducted in fourteen large and medium sized companies to determine some important organisational and managerial factors influencing success in pharmaceutical innovation. The study consists of structured interviews with Research Directors and questionnaires, submitted to the heads of the different research departments. The following conclusions are tentatively drawn. Firstly, the data suggest that a threshold investment of approximately $150–200 million is needed to maintain the innovative potential. Above approximately $750 million, ‘economies of scale’ seem to appear in pharmaceutical innovation. Secondly, an incremental strategy aimed at reducing the duration of the development process seems to be more successful than a radical strategy which lays more emphasis on discovery. Thirdly, pure play pharmaceuticals seem to be more successful than the pharmaceutical divisions of conglomerates. Management control, especially the way in which reorganisations are performed, is assessed more positively in pure play pharmaceuticals. Fourthly, the greater emphasis on human resources management in Anglo-American companies, in comparison to continental European companies, seems to be an important explanatory factor for their greater success on the pharmaceutical market.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-9310.1994.tb00886.x
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of petrochemical sludge concentrations on microbial communities during soil bioremediation (2005)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 53 (2005), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Qualitative and quantitative changes of microbial communities in soil microcosms during bioremediation were determined throughout one year. The soil was contaminated with 0%, 2.5%, 5%, 10% (wt/wt) of petrochemical sludge containing polynuclear aromatic hydrocarbons. We analyzed the hydrocarbon concentration in the microcosms, the number of cultivable bacteria using CFU and most probable number assays, the community structure using denaturing gradient gel electrophoresis, and the metabolic activity of soil using dehydrogenase activity and substrate-induced respiration assays. After one year of treatment, the chemical analysis suggested that the hydrocarbon elimination process was over. The biological analysis, however, showed that the contaminated microcosms suffered under long-term disturbance. The number of heterotrophic bacteria that increased after sludge addition (up to 108–109 cells ml−1) has not returned to the level of the control soil (2–6 × 107 cells ml−1). The community structure in the contaminated soils differed considerably from that in the control. The substrate-induced respiration of the contaminated soils was significantly lower (10-fold) and the dehydrogenase activity was significantly higher (20–40-fold) compared to the control. Changes in the community structure of soils depended on the amount of added sludge. The species, which were predominant in the sludge community, could not be detected in the contaminated soils.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/j.femsec.2005.01.014
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  • 6
    Electronic Resource
    Electronic Resource
    Structure of 2-acetoxy-10-hydroxy-3-methoxy-10-phenyl-9(10H)-anthracenone (1990)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 46 (1990), S. 240-243 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270189005093
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  • 7
    Electronic Resource
    Electronic Resource
    P6S5(C4H9)2, the first organophosphorus chalcogen molecule with a brexane skeleton (1993)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 49 (1993), S. 1053-1055 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108768193007621
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  • 8
    Electronic Resource
    Electronic Resource
    P2Se5 (1994)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 50 (1994), S. 659-661 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270193010534
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  • 9
    Electronic Resource
    Electronic Resource
    High Temperature Gas Separation with Alumina Membranes (1992)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 61-62 (Jan. 1992), p. 593-598 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/58/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.61-62.593.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    Tunicamycin-inhibited carrot somatic embryogenesis can be restored by secreted cationic peroxidase isoenzymes (1991)
    Springer
    Planta 184 (1991), S. 478-486 
    Details
    ISSN: 1432-2048
    Keywords: Daucus (somatic embryogenesis) ; Embryogenesis (somatic) ; Peroxidase, cationic (isoenzymes) ; Protein glycosylation ; Glycoprotein secretion ; Somatic embryogenesis ; Tunicamycin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Somatic embryogenesis of carrot (Daucus carota L.) is inhibited by the glycosylation inhibitor tunicamycin. This inhibition is reversible by the addition of correctly glycosylated glycoproteins which have been secreted into the culture medium. To identify the proteins responsible for complementation, glycoproteins present in the medium of embryo cultures were purified and tested for their activity in the tunicamycin inhibition/ complementation assay. A 38-kDa glycoprotein was purified that could restore embryogenesis to more than 50% of that in untreated controls. This 38-kDa glycoprotein was identified as a heme-containing peroxidase on the basis of its A405/A280 ratio (Reinheit Zahl or RZ) and enzyme activity. The 38-kDa peroxidase consisted of four different cationic isoenzymes of which only one or possibly two appeared active in the complementation assay. The cationic peroxidase isoenzymes from the carrot medium could be effectively replaced by cationic horseradish peroxidases which depended on their catalytic properties for their ability to restore tunicamycin-inhibited somatic embryogenesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00197895
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