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  • Articles  (102)
  • Springer  (93)
  • Blackwell Publishing Ltd  (9)
  • 2000-2004  (28)
  • 1980-1984  (57)
  • 1920-1924  (1)
  • 1905-1909  (16)
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  • Articles  (102)
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  • 1
    Electronic Resource
    Electronic Resource
    Resources, Knowledge and Influence: The Organizational Effects of Interorganizational Collaboration* (2003)
    108 Cowley Road, Oxford OX4 1JF, UK : Blackwell Publishing Ltd
    Journal of management studies 40 (2003), S. 0 
    Details
    ISSN: 1467-6486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Inter-organizational collaboration has been linked to a range of important outcomes for collaborating organizations. The strategy literature emphasizes the way in which collaboration between organizations results in the sharing of critical resources and facilitates knowledge transfer. The learning literature argues that collaboration not only transfers existing knowledge among organizations, but also facilitates the creation of new knowledge and produce synergistic solutions. Finally, research on networks and interorganizational politics suggests that collaboration can help organizations achieve a more central and influential position in relation to other organizations. While these effects have been identified and discussed at some length, little attention has been paid to the relationship between them and the nature of the collaborations that produce them. In this paper, we present the results of a qualitative study that examines the relationship between the effects of interorganizational collaboration and the nature of the collaborations that produce them. Based on our study of the collaborative activities of a small, nongovernmental organization (NGO) in Palestine over a four-year period, we argue that two dimensions of collaboration – embeddedness and involvement – determine the potential of a collaboration to produce one or more of these effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/1467-6486.00342
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  • 2
    Electronic Resource
    Electronic Resource
    COMMENTARY ON “PRODUCTION/OPERATIONS MANAGEMENT: AGENDA FOR THE '80s” (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Decision sciences 12 (1981), S. 0 
    Details
    ISSN: 1540-5915
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1540-5915.1981.tb00109.x
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  • 3
    Electronic Resource
    Electronic Resource
    TRANSPORT AND FATE OF ATRAZINE IN MIDWESTERN RIPARIAN BUFFER STRIPS (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 37 (2001), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : The fate of pesticides entering the Riparian Buffer Strips (RBS) has not been well documented. This study compared the transport and fate of atrazine in soil of three-, five-, and nine-year-old switchgrass (Panicum virgatum L.) RBS to that in adjacent soils cropped to a corn-soybean rotation or a grass-alfalfa pasture. Undisturbed soil columns were collected from the RBS and cropped areas within the Bear Creek watershed, near Roland, Iowa. Atrazine and bromide breakthrough curves obtained using intact soil columns under saturated conditions were described by a two-region, mobile-immobile transport model. Preferential flow of bromide and atrazine was evident in five-and nine-year-old RBS soil, but there was little difference in transport characteristics between these two RBS soils and the adjacent cropped soils. There was a trend towards an increase in dispersion coefficients between the five-and nine-year-old RBS sites, which suggests an increased degree of preferential flow with increasing RBS age. Despite similar texture and organic C contents, atrazine sorption was significantly greater in RBS soil than the adjacent cropped soil. Cropped soil degraded atrazine faster than the RBS soil. The rapid degradation of atrazine in the corn-soybean soil adjacent to the five-year-old RBS (atrazine half-life of 19 days) appeared to be due to a larger population of atrazine-degrading microorganisms. Atrazine-degrading microorganisms in the corn-soybean soil were 50,940 cells g-1 soil compared with 2,970 cells g-4 soil in 5-year-old RBS soil which resulted in 60 percent mineralization of [14C-UL-atrazine] in the corn-soybean soil.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.2001.tb03669.x
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  • 4
    Electronic Resource
    Electronic Resource
    Photoperiodism and rhythmic response to light (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 5 (1982), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract. Seedlings of Pharhitis nil show a circadian rhythm in the capacity to flower in response to the timing of a second red light pulse given at various times after a first saturating exposure to red when this is given together with a benzyladeninc spray. There are also changes in the photon irradiance required for half maximum response to the second red pulse.The photochemical properties of phytochrome in the photoperiodically sensitive cotyledons were also shown to change rhythmically. Oscillations in both pr→ Pfr and Pfr→ Pr photoconversion characteristics persisted over at least two circadian cycles with a periodicity of about 12 h. There were, however, no significant oscillations in either Pfr peak absorbance or in Δ(ΔA). The changes in sensitivity for the photoconversion of Pr→ Pfr did not parallel the much larger changes in sensitivity of the flowering response to red light. The amplitude of the Pr→ Pfr rhythm was at least as great as that for Pr→ Pfr, but the flowering response to far-red light was not rhythmic, nor was there any large change in sensitivity. The changes in photoconversion properties may reflect a basic biochemical oscillation which affects both photoreceptor properties and sensitivity to photoreceptor input.There was also a marked rhythm in the Pfr/P ratio that would be established by a saturating pulse of red light and this too may have affected the flowering response to such a pulse.Far-red light inhibited flowering when given at any time during the inductive night. After 14 h in darkness, Pfr could still be measured in the cotyledons and it was concluded that far-red light inhibited flowering by removing Pfr As red light also inhibited flowering at this time, there may be two pools of phytochrome with different kinetic properties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.1982.tb00939.x
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  • 5
    Electronic Resource
    Electronic Resource
    In Vivo and In Vitro Localization of Leishmania within Macrophage Phagolysosomes: Use of Colloidal Gold as a Lysosomal Label (1981)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 28 (1981), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The interaction of Leishmania with lysosomes within macrophages in vivo has been investigated. Lysosomes labeled with colloidal gold in vivo fused with phagocytic vacuoles containing Leishmania amastigotes within the macrophages of infected footpad tissue of BALB/c mice. This localization of Leishmania within macrophage phagolysosomes in vivo is the first confirmation for any obligate intracellulaire protozoon that parasite-lysosome interactions in vitro occur in vivo.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1981.tb02839.x
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  • 6
    Electronic Resource
    Electronic Resource
    Rose mosaic disease: symptoms induced in roses by graft inoculation with both prunus necrotic ringspot and apple mosaic viruses (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 33 (1984), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Symptoms induced in rose by single isolates of the cherry serotype of prunus necrotic ringspot virus (PNRSV) and an apple serotype (apple mosaic virus; ApMV) were characteristically different, and appeared at different times throughout the growing season according to the ambient temperature. These features remained discrete, even in roses infected by both viruses and were shown by immunospecific electron microscopy to be a reliable indication of infection by either virus.However, cross-protection between the two isolates was not reciprocal; mixed infections were established only when roses were simultaneously graft-inoculated with ApMV and PNRSV, or when PNRSV-infected roses were supei-infected with ApMV. The significance of these results in relation to the possible natural occurrence of mixed infections in rose or of isolates of intermediate serotype is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1984.tb02635.x
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  • 7
    Electronic Resource
    Electronic Resource
    Cyclodextrin-Enhanced Solubilization of Organic Contaminants with Implications for Aquifer Remediation (2000)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water monitoring & remediation 20 (2000), S. 0 
    Details
    ISSN: 1745-6592
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: Reagents that enhance the aqueous solubility of non-aqueous phase organic liquid (NAPL) contaminants are under investigation for use in enhanced subsurface remediation technologies. Cyclodextrin, a glucose-based molecule, is such a reagent. In this paper, laboratory experiments and numerical model simulations are used to evaluate and understand the potential remediation performance of cyclodextrin. Physical properties of cyclodextrin solutions such as density, viscosity, and NAPL-aqueous inter-facial tension are measured. Our analysis indicates that no serious obstacles exist related to fluid properties that would prevent the use of cyclodextrin solutions for subsurface NAPL remediation. Cyclodextrin-enhanced solubilization for a large suite of typical ground water contaminants is measured in the laboratory, and the results are related to the physicochemical properties of the organic compounds. The most-hydrophobic contaminants experience a larger relative solubility enhancement than the less-hydrophobic contaminants but have lower aqueous-phase apparent solubilities. Numerical model simulations of enhanced-solubilization flushing of NAPL-contaminated soil demonstrate that the more-hydrophilic compounds exhibit the greatest mass-removal rates due to their greater apparent solubilities, and thus are initially more effectively removed from soil by enhanced-solubilization-flushing reagents. However, the relatively more hydrophobic contaminants exhibit a greater improvement in contaminant mass-removal (compared with water flushing) than that exhibited for the relatively hydrophilic contaminants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6592.2000.tb00256.x
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  • 8
    Electronic Resource
    Electronic Resource
    Circulating Immune Complexes and Antisperm Antibodies in Yasectomized and Vasovasostomized Rhesus Macaques (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 438 (1984), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1984.tb38317.x
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  • 9
    Electronic Resource
    Electronic Resource
    RECOVERY OF ESCHERICHIA COLI O157:H7 FROM FIBER OPTIC WAVEGUIDES USED FOR RAPID BIOSENSOR DETECTION (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of rapid methods and automation in microbiology 10 (2002), S. 0 
    Details
    ISSN: 1745-4581
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Consumption of ground beef has been implicated in the majority of outbreaks of disease from Escherichia coli O157:H7. There is a great need for rapid, sensitive, and specific microbial detection and isolation methods for the detection and recovery of pathogens such as E. coli O157:H7. Evanescent wave, fiber optic biosensors are an innovative, cutting-edge technology with the potential to meet such a need. Food pathogens such as E. coli O157:H7 can be detected in minutes using the biosensor assay rather than days using conventional methods. The biosensor assay is sensitive and presently has the ability to directly detect 102 CFU of E. coli O157:H7 in E. coli O157:H7-seeded PBS or ground beef. In this study, it was determined that once the pathogen had been positively identified, it could then be recovered by culturing the cells captured on the waveguide used in the biosensor assay. E. coli O157:H7-seeded PBS or ground beef samples were assayed using an evanescent wave, fiber optic biosensor. After a positive identification on the biosensor, the waveguide was added to modified LB medium supplemented with 10 μg/mL acriflavin (mLB) and incubated at 42C for a minimum of 4 h followed by selection on Rainbow O157 agar incubated 16 to 18 h at 37C. E. coli O157:H7 was confirmed using agglutination with E. coli O157:H7 antiserum. It was possible to recover E. coli O157:H7 colonies in E. coli O157:H7-seeded PBS or ground beef when 1 mL samples containing at least 2.0 × 103 CFU of E. coli O157:H7 had been injected into the biosensor. It took only 24 h to detect the target pathogen, recover the pathogen from the sample, and grow isolated colonies. This total time included sample preparation, detection, enrichment culture, and growth of cells to produce isolated colonies on a selective and differential medium. The identification of isolated colonies was then quickly confirmed using slide agglutination with the appropriate antiserum. This method significantly improved the speed of the confirmation of the presence of the pathogen and of the isolation of the pathogen, from 4 days using conventional methods to one day using the biosensor assay.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-4581.2002.tb00015.x
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  • 10
    Electronic Resource
    Electronic Resource
    Preparation of a human lung purified plasma membrane fraction: Confirmation by enzyme markers, electron microscopy, and histamine H1 receptor binding (1984)
    Springer
    The journal of membrane biology 79 (1984), S. 33-39 
    Details
    ISSN: 1432-1424
    Keywords: plasma membrane ; lung ; histamine receptors ; 5′ nucleotidase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Summary A simple and rapid method of isolating plasma membranes from human peripheral lung tissue is described. The method involves homogenization of tissue in 0.25m sucrose-buffered medium followed by differential and sucrose density gradient centrifugation. Enzymatic and morphological characterization of the plasma membrane fraction revealed minimal contamination by nonplasma membrane fragments. The isolated plasma membranes showed an 18-fold purification of 5′-nucleotidase activity compared to the original homogenate. Electronmicroscopic studies of the plasma membrane fraction revealed the presence of small membrane vesicles having a trilaminar membrane structure. To further examine the purity of the plasma membrane preparation, the binding of the H1 receptor antagonist,3H pyrilamine, to the plasma membrane-enriched fraction was compared to the binding to crude membrane preparations. Both the plasma membrane-enriched fraction and the crude membrane preparation had similar Kd's for the histamine antagonist, but the plasma membrane-enriched fraction had a threefold greater binding capacity, reflecting the relative enrichment of plasma membranes of the preparation. Thus, a method has been developed for the isolation of plasma membranes from human peripheral lung which should provide material for a variety of biochemical and pharmacological studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01868524
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