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  • 1
    ISBN: 0202306445 , 0202306437 , 9780202306445 , 9780202306438
    Language: English
    Pages: XII, 333 S. , graph. Darst. , 24 cm
    Edition: 4. print.
    Series Statement: Sociology and economics
    DDC: 306.3
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    Keywords: Sozialkapital ; Theorie ; Social networks ; Social structure ; Social capital (Sociology) ; Aufsatzsammlung ; Aufsatzsammlung ; Soziales Kapital ; Aufsatzsammlung ; Soziales Netzwerk ; Aufsatzsammlung
    Note: Literaturangaben , Enth. 12 Beitr
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  • 2
    ISSN: 0378-8741
    Language: English
    Titel der Quelle: Journal of ethnopharmacology : an interdisciplinary journal devoted to bioscientific research on indigenous drugs
    Publ. der Quelle: Shannon : Elsevier Science Ireland
    Angaben zur Quelle: Vol. 159 (2015), p. 1-8
    DDC: 610
    Abstract: Heshouwu, the root of Polygonum multiflorum, is an anti-aging Chinese traditional medicine. Fresh (raw) Heshouwu is commonly converted to processed Heshouwu by specialized heating to alleviate its side effects of diarrhea presumably caused by anthraquinones. However, raw Heshouwu has been noted to be better than processed Heshouwu regarding anti-aging effects. The therapeutic effects of raw Heshouwu on aging-related diseases were somehow similar to the anti-aging effects of growth hormone release induced by ghrelin Major ingredients in the methanol extract from raw Heshouwu were separated and identified. Emodin-8-O-(6'-O-malonyl)-glucoside, a unique anthraquinone glycoside known to be completely eliminated in the conversion process of Heshouwu was isolated. This emodin derivative, tentatively named emoghrelin, was examined for its cytotoxicity and capability of stimulating growth hormone release of rat primary anterior pituitary cells via activation of the ghrelin receptor. Moreover, molecular modeling of emoghrelin docking to the ghrelin receptor was exhibited to explore the possible interaction within the binding pocket. No apparent cytotoxicity was observed for emoghrelin of 10(-7)-10(-4)M. Similar to growth hormone-releasing hormone-6 (GHRP-6), a synthetic analog of ghrelin, emoghrelin was demonstrated to stimulate growth hormone secretion of rat primary anterior pituitary cells in a dose dependent manner, and the stimulation was inhibited by [d-Arg(1), d-Phe(5), d-Trp(7,9), Leu(11)]-substance P, an antagonist of the ghrelin receptor. Molecular modeling and docking showed that emoghrelin as well as GHRP-6 could fit in and adequately interact with the binding pocket of the ghrelin receptor. The results suggest that emoghrelin is a key ingredient accounting for the anti-aging effects of Heshouwu, and possesses great potential to be a promising non-peptidyl analog of ghrelin.
    Note: Copyright: Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.
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  • 3
    ISSN: 0378-8741
    Language: English
    Titel der Quelle: Journal of ethnopharmacology : an interdisciplinary journal devoted to bioscientific research on indigenous drugs
    Publ. der Quelle: Shannon : Elsevier Science Ireland
    Angaben zur Quelle: Vol. 193 (2016), p. 237-247
    DDC: 610
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  • 4
    ISBN: 9781351490542
    Language: English
    Pages: 1 Online-Ressource (346 pages)
    Series Statement: Sociology and Economics
    Parallel Title: Print version Dubos, Rene Social Capital : Theory and Research
    DDC: 302.14
    Keywords: Social capital (Sociology)
    Abstract: Cover -- Half Title -- Title Page -- Copyright Page -- CONTENTS -- PREFACE -- Part I. Social Capital: Networks and Embedded Resources -- 1 Building a Network Theory of Social Capital Nan Lin -- WHAT IS CAPITAL? -- WHY DOES SOCIAL CAPITAL WORK? -- PERSPECTIVES AND CONTROVERSIES IN SOCIAL CAPITAL -- CONCEPTUALIZING AND MEASURING SOCIAL CAPITAL -- Embedded Resources and Network Locations -- Measuring Social Capital as Assets in Networks -- Sampling Techniques -- MODELING SOCIAL CAPITAL -- CONCLUDING REMARKS -- NOTES -- REFERENCES -- 2 Structural Holes versus Network Closure as Social Capital Ronald S. Burt -- SOCIAL CAPITAL METAPHOR -- TWO NETWORK MECHANISMS -- Structural Holes as Social Capital -- Network Closure as Social Capital -- NETWORK EVIDENCE -- Performance Evaluations -- Promotions -- Compensation -- Other Evidence -- RETHINKING COLEMAN'S EVIDENCE -- A POINT OF INTEGRATION -- Performance Surface -- Frame of Reference for IntegratingResearch Results -- NOTE -- REFERENCES -- 3 The Position Generator: Measurement Techniques for Investigations of Social Capital Nan Lin, Yang-chih Fu, and Ray-May Hsung -- TOWARD A THEORY OF SOCIAL CAPITAL -- ACCESS TO EMBEDDED RESOURCES: A PIVOTAL POINTFOR RESEARCH -- MEASURING ACCESSIBILITY: THE POSITION GENERATOR -- THE TAIWAN SOCIAL NETWORKS STUDY -- THE POSITION GENERATOR AND DATA -- INEQUALITY IN ACCESS TO SOCIAL CAPITAL AND ITSDIFFERENTIAL RETURNS -- ACCESS TO SOCIAL CAPITAL AND ENTREPRENEURSHIP -- DISCUSSION -- APPENDIX A: THE POSITION GENERATOR USED IN T H E 1997TAIWAN STUDY -- NOTES -- REFERENCES -- Part II. Social Capital in the Labor Market -- 4 How Much Is That Network Worth? Social Capital in Employee Referral Networks Roberto M. Fernandez and Emilio J. Castilla -- THE FIRM'S INVESTMENT -- THE REFERRER'S PERSPECTIVE -- Data and Measures -- Results -- SUMMARY A N D CONCLUSION -- NOTES -- REFERENCES
    Abstract: 5 Interpersonal Ties, Social Capital, and Employer Staffing Practices Peter V. Marsden -- RECRUITING THROUGH SOCIAL TIES: BENEFITS, COSTS,AND CONSTRAINTS -- Information Benefits -- Costs -- Equity Pressures and Other Constraints -- THE NATIONAL ORGANIZATIONS STUDY -- MEASURING STAFFING METHODS -- ORGANIZATIONAL AND OCCUPATIONAL CORRELATESOF INTERPERSONAL STAFFING -- SUMMARY A N D DISCUSSION -- APPENDIX: MEASUREMENT OF EXPLANATORY VARIABLES -- NOTES -- REFERENCES -- 6 Good Networks and Good Jobs: The Value of Social Capital to Employers and Employees Bonnie H. Erickson -- EARLIER RESEARCH -- Employer Hiring Requirements -- Employees and Their Networks -- METHODS -- The Toronto Security Industry and Our Sample -- MEASUREMENTS -- Hiring Requirements -- Employee Social Capital -- Employee Human Capital -- Other Employee Characteristics -- Getting a Job -- RESULTS -- What Employers Want: Hiring Requirements forSecurity Jobs -- What Employers Get: The Actual Social andHuman Capital Reported by Employees -- Social Capital, Human Capital,and Employee Success -- DISCUSSION -- REFERENCES -- 7 Getting Started: Th eInfluence of Social Capital on the Start of the Occupational Career Henk Flap and Ed Boxman -- THEORETICAL MODEL -- The Employees -- Employers -- The Match -- DESIGN, DATA, AND MEASUREMENTS -- Design and Data -- Measurements -- ANALYSIS A N D RESULTS -- Job Searchers -- Employers -- The Match -- CONCLUSION AND DISCUSSION -- NOTE -- REFERENCES -- Part III: Social Capital in Organizational, Community, and Institutional Settings -- 8 Social Capital as Social Mechanisms and Collective Assets: The Example of Status Auctions among Colleagues Emmanuel Lazega and Phillipa E. Pattison -- BRAINSTORMS AND STATUS AUCTIONS INA CORPORATE LAW FIRM -- CULTIVATING AND MITIGATING STATUS COMPETITION -- TOO MANY COOKS? HYPOTHESES ON A TWO-STEPMITIGATION MECHANISM
    Abstract: Co-workers' Goodwill, Advice, and "Friendship" -- A Two-Step Social Mechanism -- DATA A N D ANALYSES -- THE COLLEGIAL BLEND OF RELATIONSHIPS:A TYPICAL PATTERN -- CONCLUSION -- APPENDIX A: SOCIOMETRIC NAME GENERATORS USED TOELICIT CO-WORKERS, ADVICE, A N D ROLE-DISTANCE TIES -- NOTES -- REFERENCES -- 9 Social Networks and Social Capital in Extreme Environments Jeanne S. Hurlbert, John J. Beggs, and Valerie A. Haines -- SOCIAL NETWORKS AND SOCIAL CAPITAL INHURRICANE ANDREW -- Social Networks and Social Support -- DATA AND MEASURES-THE HURRICANE ANDREW SAMPLE -- Data -- RESULTS -- SOCIAL NETWORKS AND SOCIAL CAPITAL INTHE UNDERCLASS -- Social Capital and Social Isolation -- DATA A N D MEASURES-THE UNDERCLASS SAMPLE -- Data -- Measures -- RESULTS -- CONCLUSIONS -- NOTES -- REFERENCES -- 10 Network Capital in a Multilevel World: Getting Support from Personal Communities Barry Wellman and Kenneth Frank -- TIES A N D NETWORKS -- Bases of Support -- Support Comes from Ties and Networks -- The Usefulness of a Multilevel Approach -- MULTILEVEL MODELS FOR TIES NESTED INEGO-CENTERED NETWORKS -- Research Approach -- STUDYING THE NETWORK SOURCES OF SUPPORT -- Data Collection -- Independent Variables -- Measuring Social Support -- WHICH CHARACTERISTICS OF TIES AND NETWORKSAFFECT SUPPORT -- TOWARD A MULTILEVEL THEORY OF NETWORK CAPITAL -- Comparing Multilevel with Single-Level Findings -- Capitalizing on Networks -- Dyadic Duets and Emergent Structural Properties -- Living Networked in a Networked World -- TECHNICAL APPENDIX -- NOTES -- REFERENCES -- 11 Guanxi Capital and Social Eating in Chinese Cities: Theoretical Models and Empirical Analyses Yanjie Bian -- THREE MODELS OF GUANXI CAPITAL -- Guanxi as the Web of ExtendedFamilial Obligations -- Guanxi as Exchange Networks of ParticularInstrumental Ties -- Guanxi as Social-Exchange Networks ofAsymmetric Transactions
    Abstract: EMPIRICAL IMPLICATIONS OF SOCIAL EATING -- Expectations of Model I -- Expectations of Model II -- Expectations of Model III -- ANALYSES -- Perceptions about Banquets -- Core-Guanxi Networks andEating-Partner Networks -- Who Pays and for What Purposes? -- Banquet Guest, Banquet Host, andBanquet Attendee -- SUMMARY A N D DISCUSSION -- Face as Social Capital -- NOTE -- REFERENCES -- 12 Change and Stability in Social Network Resources: The Case of Hungary under Transformation Robert Angelusz and Robert Tardos -- PREVIOUS APPROACHES, RELATED RESEARCH -- The Hungarian Scene -- Conceptual Issues -- Bases of Comparison -- Variety of Contexts-Substantive andMethodological Problems -- ANALYTIC ISSUES -- Measurement -- The Development of Scales -- Frames of Analysis: A Review of Basic Data -- MAJOR FINDINGS -- Determining Factors of Access -- Manifestations of Stability and Change -- The Role of Wealth, Culture, andPolitical Involvement -- Some Specific Effects: Regional andCohort Characteristics -- CONCLUSION -- NOTES -- REFERENCES -- INDEX
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  • 5
    ISBN: 9781789907278
    Language: English
    Pages: 260 Seiten , Diagramme, Illustrationen , 26 cm
    Parallel Title: Erscheint auch als Social capital, social support and stratification
    DDC: 302.3
    Keywords: Lin, Nan ; Social networks ; Social capital (Sociology) ; Social stratification ; Social capital (Sociology) ; Social networks ; Social stratification ; Aufsatzsammlung ; Aufsatzsammlung ; China ; Soziales Kapital ; Soziale Unterstützung ; Soziales Netzwerk ; Soziologie
    Note: Includes bibliographical references (pages 237-253) and index
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  • 6
    Online Resource
    Online Resource
    Oxford : Oxford University Press, Incorporated
    ISBN: 9780191528545
    Language: English
    Pages: 1 online resource (489 pages)
    Parallel Title: Erscheint auch als
    DDC: 302
    Keywords: Social capital (Sociology) ; Community development ; Community organization ; Social participation ; Electronic books
    Abstract: The volume brings together some of the leading scholars around the world working on social capital to study how individuals and groups access and use their social relations and social connections to do better in society in order to achieve their goals.
    Abstract: Intro -- Contents -- List of Figures -- List of Tables -- List of Abbreviations -- List of Contributors -- 1. Theory, Measurement, and the Research Enterprise on Social Capital -- SECTION I. THE POSITION GENERATOR METHODOLOGY: ITS RELIABILITY, VALIDITY, AND VARIATION -- 2. Position Generator Measures and Their Relationship to Other Social Capital Measures -- 3. Position Generator and Actual Networks in Everyday Life: An Evaluation with Contact Diary -- 4. Social, Cultural, and Economic Capital and Job Attainment: The Position Generator as a Measure of Cultural and Economic Resources -- 5. The Formation of Social Capital among Chinese Urbanites: Theoretical Explanation and Empirical Evidence -- SECTION II. MOBILIZATION OF SOCIAL CAPITAL -- 6. The Invisible Hand of Social Capital: An Exploratory Study -- 7. Social Resources and Their Effect on Occupational Attainment through the Life Course -- 8. A Question of Access or Mobilization? Understanding Inefficacious Job Referral Networks among the Black Poor -- SECTION III. SOCIAL CAPITAL, CIVIL ENGAGEMENT, SOCIAL PARTICIPATION, AND TRUST -- 9. Social Networks of Participants in Voluntary Associations -- 10. The Internet, Social Capital, Civic Engagement, and Gender in Japan -- 11. Social Capital of Personnel Managers: Causes and Return of Position-Generated Networks and Participation in Voluntary Associations -- 12. It's Not Only Who You Know, It's Also Where They Are: Using the Position Generator to Investigate the Structure of Access to Embedded Resources -- 13. Gender, Network Capital, Social Capital, and Political Capital: The Consequences of Personal Network Diversity for Environmentalists in British Columbia -- 14. Civic Participation and Social Capital: A Social Network Analysis in Two American Counties -- SECTION IV. SOCIAL INSTITUTIONS AND INEQUALITY IN SOCIAL CAPITAL.
    Note: Description based on publisher supplied metadata and other sources
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  • 7
    ISBN: 9781789907285
    Language: English
    Pages: 1 Online-Ressource (260 Seiten) , Illustrationen
    Series Statement: [Elgaronline]
    Series Statement: [Edward Elgar books]
    Parallel Title: Erscheint auch als Social capital, social support and stratification
    DDC: 302.3
    Keywords: Lin, Nan ; Social networks ; Social capital (Sociology) ; Social stratification ; Social capital (Sociology) ; Social networks ; Social stratification ; Aufsatzsammlung ; China ; Soziales Kapital ; Soziale Unterstützung ; Soziales Netzwerk ; Soziologie
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  • 8
    ISBN: 9780203749425 , 9781135012335 , 9781135012311 , 9781135012328
    Language: English
    Pages: 1 online resource
    Series Statement: Routledge advances in sociology 108
    Parallel Title: Erscheint auch als
    DDC: 302.0951
    Keywords: Social capital (Sociology) ; Social capital (Sociology) ; Social capital (Sociology) ; Social networks ; Social networks ; Social networks ; Economics Cross-cultural studies Sociological aspects
    Abstract: part I. Measuring social capital -- part II. Endogeneity of social capital : structural and network features -- part III. Accessing and mobilizing social capital : institutional, networking and organizational factors -- part IV. Social capital and well-being.
    Note: Includes bibliographical references (pages 391-416) and index
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  • 9
    ISBN: 0415899613 , 9780415899611
    Language: English
    Pages: XVI, 429 S. , graph. Darst. , 23 cm
    Series Statement: Routledge advances in sociology 108
    Series Statement: Routledge advances in sociology
    DDC: 302.0951
    Keywords: Sozialkapital ; USA ; China ; Taiwan ; Social capital (Sociology) ; Social capital (Sociology) ; Social capital (Sociology) ; Social networks ; Social networks ; Social networks ; Economics Cross-cultural studies Sociological aspects ; Sammelwerk
    Abstract: "This volume is a collection of original studies based on one of the first research programs on comparative analysis of social capital. Data are drawn from national representative samples of the United States, China and Taiwan. The three societies selected for study allow the examination of how political-economic regimes (command versus market) and cultural factors (family centrality versus diverse social ties) affect the characteristics of social ties and social networks from which resources are accessed and mobilized"--
    Note: Enth. 13 Beitr
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  • 10
    Book
    Book
    Beverly Hills, Calif. : Sage
    ISBN: 0803918895
    Language: English
    Pages: 319 S. , graph. Darst.
    Edition: 2. print.
    Series Statement: Sage focus editions 57
    Series Statement: Sage focus editions
    DDC: 305
    Keywords: Social structure
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