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  • 1
    Unknown
    Mahwah, N.J : Lawrence Erlbaum Associates
    Keywords: Gender identity. ; Nature and nurture. ; Sex differences (Psychology)
    Pages: xix, 335 p.
    Edition: 2nd ed
    ISBN: 1-410-61294-5
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 519-521 (July 2006), p. 1035-1040 
    ISSN: 1662-9752
    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
    Notes: Cast and aged Al-Sc microalloys are creep-resistant to 300‰, due to the blocking ofdislocations by nanosize, coherent Al3Sc (L12) precipitates. Rare-earth elements substitute forSc in these precipitates, leading to a higher number density of smaller precipitates, which havea greater lattice-parameter mismatch with Al than in the Al-Sc binary microalloy. This leadsto an improvement in both ambient temperature microhardness and high temperature creep.Creep threshold stresses of Al-Sc-RE (RE = Y, Dy, or Er) at 300‰ are higher than for Al-Scand Al-Sc-M (M = Mg, Ti, or Zr) microalloys. This is in agreement with a dislocation climbmodel that includes the elastic stress fields of the precipitates
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical psychology 12 (2005), S. 0 
    ISSN: 1468-2850
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Psychology
    Notes: Suicide among older adults represents one of the most salient and intractable problems in geriatric mental health. As indicated by Heisel and Duberstein (this issue), despite advances in conceptual models of late-life suicide, risk-factor assessment, and intervention strategies targeting at-risk elderly, prevalence rates of elder suicide remain high. Although partly explained by conceptual, methodological, and systemic barriers that hinder research, these persisting high rates may also be attributable to practice models that, until recently, did not adequately recognize elder suicide as a public health problem calling for an interdisciplinary solution. Greater attention to targeted assessment and intervention for select subgroups, to public health and policy issues, and to implementation of interdisciplinary practice models may assist suicide prevention efforts.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Burkholderia pseudomallei and B. mallei are the causative agents of melioidosis and glanders, respectively. As iron regulation of gene expression is common in bacteria, in the present studies, we have used microarray analysis to examine the effects of growth in different iron concentrations on the regulation of gene expression in B. pseudomallei and B. mallei. Gene expression profiles for these two bacterial species were similar under high and low iron growth conditions irrespective of growth phase. Growth in low iron led to reduced expression of genes encoding most respiratory metabolic systems and proteins of putative function, such as NADH-dehydrogenases, cytochrome oxidases, and ATP-synthases. In contrast, genes encoding siderophore-mediated iron transport, heme-hemin receptors, and a variety of metabolic enzymes for alternative metabolism were induced under low iron conditions. The overall gene expression profiles suggest that B. pseudomallei and B. mallei are able to adapt to the iron-restricted conditions in the host environment by up-regulating an iron-acquisition system and by using alternative metabolic pathways for energy production. The observations relative to the induction of specific metabolic enzymes during bacterial growth under low iron conditions warrants further experimentation.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd.
    Social development 14 (2005), S. 0 
    ISSN: 1467-9507
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Psychology
    Notes: The goal of this study was to investigate differences in the social context of peer victimization for preschoolers and kindergarteners. Data were collected from 168 children. For preschoolers, neither social acceptance nor friendships were significantly related to peer victimization. Instead, playing with peers and exposure to aggressive peers were associated with higher rates of peer victimization. For kindergarteners, exposure to aggressive peers also contributed to the risk for peer victimization, but being liked by peers and having friends were inversely related to victimization, thereby providing a buffering effect. The developmental implications of these findings are discussed.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd.
    Journal of management studies 42 (2005), S. 0 
    ISSN: 1467-6486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: abstract After showing that authenticity is socially constructed rather than an attribute of that which is called authentic, we examine the authenticity work involved in claiming authenticity and discuss the processes of authentication. We then explore the situations in which the quest for authenticity makes for change and conclude by showing that the salience of authenticity can change.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Political Science 8 (2005), S. 251-270 
    ISSN: 1094-2939
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Political Science
    Notes: Research on interest groups today neglects the important task of analyzing historical patterns and secular, long-term changes. We note critical measurement errors in how contemporary political science has assessed the origins and development of interest group politics in the United States. Interest group scholars lack the reliable longitudinal data available to such fields as electoral or congressional studies. We suggest multidimensional means of recovering the "lost years" of interest group research, compensating for the absence of comprehensive and systematic data on U.S. organized interests before the 1960s. In order to generate empirical and theoretical insights that are not constrained by a particular historical context, we propose a conceptual framework for studying "interest group systems" across time. We also examine the rich possibilities of investigating the interest group and party systems as interacting and autonomous vehicles of representation in American political development. Only by broadening the time horizons of research will scholars be able to develop reliable insights about patterns and transformations of American interest group politics.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing
    Journal of personality 73 (2005), S. 0 
    ISSN: 1467-6494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Psychology
    Notes: Abstract In four studies, with a total of 1780 male and 2969 female participants, subdomains of masculine and feminine occupations were identified from sets of occupational preference items. Identified masculine subdomains included “blue-collar realistic” (e.g., carpenter), “educated realistic” (electrical engineer), and “flashy, risk-taking” (jet pilot). Feminine subdomains included “fashion-related” (fashion model), “artistic” (author), “helping” (social worker), and “children-related” (manager of childcare center). In all studies, principal components analyses of subdomain preference scales showed that masculine subdomains were bipolar opposites of feminine subdomains. This bipolar structure emerged in analyses conducted on combined-sex groups, high-school boys, high-school girls, men, women, heterosexual men, gay men, heterosexual women, and lesbian women. The results suggest that, although there are distinct masculine and feminine occupational subdomains, gender-related occupational preferences, nonetheless, form a replicable, cohesive, bipolar individual difference dimension, which is not an artifact of studying mixed-sex or mixed-sexual-orientation groups.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK; Malden, USA : Munksgaard International Publishers
    Immunological reviews 205 (2005), S. 0 
    ISSN: 1600-065X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary:  A combination of approaches – gene mapping, biomarker analysis, and studies of signal transduction – has helped to clarify the mechanisms of age-related change in mouse immune status and the implications of immune aging for late-life disease. Mapping studies have documented multiple quantitative trait loci (QTL) that influence the levels of age-sensitive T-cell subsets. Some of these QTL have effects that are demonstrable in young-adult mice (8 months of age) and others demonstrable only in middle-aged mice (18 months). Biomarker studies show that T-cell subset levels measured at 8 or 18 months are significant predictors of lifespan for mice dying of lymphoma, fibrosarcoma, mammary adenocarcinoma, or all causes combined. Mice whose immune systems resemble that of young animals, i.e. with low levels of CD4+ and CD8+ memory T cells and relatively high levels of CD4+ T cells, tend to outlive their siblings with the opposite subset pattern. Biochemical analyses show that T cells from aged mice show defects in the activation process within a few minutes of encountering a stimulus and that the defects precede the recognition by the T-cell receptor of agonist peptides on the antigen-presenting cell. Defective assembly of cytoskeletal fibers and hyperglycosylation of T-cell surface glycoproteins contribute to the immunodeficiency state, and indeed treatment with a sialylglycoprotein endopeptidase can restore full function to CD4+ T cells from aged donors in vitro.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Differences between endophytic and ectophytic bacterial communities with stress on antagonistic bacteria, were studied by comparing the composition of communities isolated from the rhizosphere, phyllosphere, endorhiza and endosphere of field-grown potato plants using a multiphasic approach. Terminal restriction fragment length polymorphism analysis of 16S rDNA of the bacterial communities revealed discrete microenvironment-specific patterns. To measure the antagonistic potential of potato-associated bacteria, a total of 2648 bacteria were screened by dual testing of antagonism to the soilborne pathogens Verticillium dahliae and Rhizoctonia solani. Composition and diversity of bacterial antagonists were mainly specific for each microenvironment. The rhizosphere and endorhiza were the main reservoirs for antagonistic bacteria and showed the highest similarity in their colonisation by antagonists. The most prominent species of all microenvironments was Pseudomonas putida, and rep-PCR with BOX primers showed that these isolates showed microenvironment-specific DNA fingerprints. P. putida isolates from the rhizosphere and endorhiza gave nearly identical fingerprints confirming the high similarity of bacterial populations. The phlD gene, involved in the production of the antibiotic 2,4-diacetyl-phloroglucinol, was found only among Pseudomonas isolates from the rhizosphere and endorhiza. Evaluation of the bacterial isolates for biocontrol potential based on fungal antagonism and physiological characteristics resulted in the selection of five promising isolates from each microenvironment. The most effective isolate was Serratia plymuthica 3Re4-18 isolated from the endorhiza.
    Type of Medium: Electronic Resource
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