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  • 1
    Digitale Medien
    Digitale Medien
    Business Legitimacy among Business Students in the United States, Great Britain, and South Africa (1998)
    Springer
    International journal of value-based management 11 (1998), S. 179-195 
    Details
    ISSN: 1572-8528
    Schlagwort(e): business legitimacy ; comparative management ; demographic characteristics ; South Africa
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Wirtschaftswissenschaften
    Notizen: Abstract This study compares attitudes toward business legitimacy in three countries. Positive attitudes toward business legitimacy exist when there is a congruence between organizational activities and societal expectations. Businesses are concerned about the extent to which negative attitudes toward business legitimacy will lead to increased government regulation. The results suggest that business students in all three countries are similar in their attitudes toward business legitimacy; however, blacks have more negative attitudes toward business legitimacy than do whites. This study resulted in the validation of a scale that can be used to measure attitudes toward business legitimacy on a cross-cultural basis. Business legitimacy is a major concern in South Africa as the predominately white business community seeks to give the emerging black majority a stake in the existing economic system.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1007743132070
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Dynamics of Female–Female Relationships in Wild Cebus capucinus: Data from Two Costa Rican Sites (1999)
    Springer
    International journal of primatology 20 (1999), S. 679-706 
    Details
    ISSN: 1573-8604
    Schlagwort(e): Cebus capucinus ; coalitions ; dominance ; grooming ; female social relationships
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Three questions about female-female relationships remain largely unexplored in female-philopatric platyrrhines. First, to what extent is female dominance status dependent on coalitional support? Second, how stable are female dominance hierarchies over multiyear periods? Third, what is the role of allogrooming in servicing long-term social relationships? We addressed these questions using data collected on Cebus capucinus at Lomas Barbudal and Santa Rosa, over a six-year period. Most female-female coalitions against females reinforced the existing dominance hierarchy, but such coalitions were 3–7 times more frequent at Lomas Barbudal than at Santa Rosa. The Lomas Barbudal group's female hierarchy was highly stable throughout the six years of observation, whereas all three of the intensively observed Santa Rosa groups experienced frequent dominance reversals accompanied by physical aggression. In the Lomas Barbudal group, grooming tended to be directed up the hierarchy, and more closely-ranked females groomed at higher rates than distantly-ranked females, whereas these patterns were not consistently found at Santa Rosa. At both sites, grooming was evenly balanced within 67% of female-female dyads, and mothers of young infants received more grooming than other females did. Females did not spend more of their time grooming each other in groups containing more females than in groups containing fewer females, but they distributed their grooming less evenly among their female groupmates in the largest observed group of females. Some of the intersite differences may be attributable to differences in the rate of female mortality or transfer or both.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1020700718458
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Nonconceptive Sexual Behavior in Bonobos and Capuchins (1997)
    Springer
    International journal of primatology 18 (1997), S. 767-786 
    Details
    ISSN: 1573-8604
    Schlagwort(e): Pan paniscus ; Cebus capucinus ; sexual behavior ; homosexuality
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Sexual behavior by infecundable females, and by same-sex and adult-immature dyads, occurs in wild and captive bonobos (Pan paniscus). Proposed functions of these behaviors, in social primates generally, include practice, paternity confusion, exchange, and communication as well as appeasement. We used this framework to interpret and to compare observations of sexual behavior in a captive bonobo group and a wild white-faced capuchin (Cebus capucinus) group. In both species, (a) sexual behavior was no more frequent in cycling females than in pregnant or lactating females and (b) same-sex and adult-immature dyads engaged in as much mounting or genitogenital contact as adult heterosexual dyads did. The species differed in that (a) bonobos engaged in sexual behavior 65 times as frequently as capuchins, (b) only bonobos engaged in sexual contact other than ventrodorsal mounting during focal observation, and (c) bonobo sexual contact was concentrated most heavily in socially tense situations in adult female–female dyads, whereas capuchin sexual contact was concentrated most heavily in socially tense situations in adult male–male dyads. These data and published literature indicate that (a) practice sex occurs in both species, (b) paternity confusion may be a current function of C. capucinus nonconceptive sex, (c) exchange sex remains undemonstrated in capuchins, and (d) communication sex is more important to members of the transferring sex—female bonobos and male capuchins—than to members of the philopatric sex.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1026395829818
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Begging and transfer of coati meat by white-faced capuchin monkeys,Cebus capucinus (1994)
    Springer
    Primates 35 (1994), S. 409-415 
    Details
    ISSN: 0032-8332
    Schlagwort(e): Cebus capucinus ; Nasua narica ; Vertebrate predation ; Food-sharing
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract White-faced capuchin monkeys were frequently observed to raid the nests and predate the pups of coatis at two study sites (Santa Rosa National Park and Lomas Barbudal Biological Reserve) in northwestern Costa Rica. Adult monkeys of both sexes were the primary participants in nest-raiding. At Santa Rosa, the original captor of the pup tended to eat the entire carcass, whereas at Lomas Barbudal, the monkeys rapidly became satiated and allowed another monkey to have the carcass. At Lomas Barbudal, there was a tendency for adult females to share preferentially with their own offspring, but only if the offspring were less than 1 year old. Dominance rank of the owner of the carcass relative to the rank of the beggar did not significantly affect the probability of willingly transferring meat to the beggar. In one of two years, carcass theft was more likely to occur when the thief was higher ranking than the carcass owner.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02381950
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    A comparison of the mating behavior of adolescent and adult female rhesus macaques (Macaca mulatta) (1995)
    Springer
    Primates 36 (1995), S. 27-39 
    Details
    ISSN: 0032-8332
    Schlagwort(e): Sexual behavior ; Macaca mulatta ; Adolescence ; Cayo Santiago
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract This study compares adult and adolescent female rhesus macaques with regard to (1) characteristics of their copulatory partners, (2) their proceptive behaviors, and (3) adult male behaviors toward them during estrus. We conducted focal follows of 24 adolescent and 65 adult free-ranging estrous female rhesus macaques on Cayo Santiago during two mating seasons. Compared to adult females, adolescents presented sexually to males at higher rates; copulated more frequently with rankless young male, and extra-group males; and, in one of two mating seasons, were ignored more frequently by males to whom they presented sexually. Adolescents tended to copulate with ranked, resident males at higher frequencies on days when the operational sex ratio (adult males:estrous adult females) was high. Males directed “muzzle-up” signals to adolescents at lower rates than to adults in one of two mating seasons, although this effect vanished when males who might have fathered adolescent females were excluded from analysis. Adolescents did not differ consistently from adults in strength of the correlation between proximity maintenance (dyadic Hinde's Index) and copulation rate, or in approach rate to males. Adolescent females, relative to adult females, presented sexually more to rankless young males, but did not present more to ranked, resident males. Both proximate (e.g. endocrine) and ultimate (e.g. differential fecundity; female-female mate competition) explanations may account for the reported differences between adult and adolescent female rhesus macaque sexuality.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02381913
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Effect of inhibitors of N-linked oligosaccharide processing on the cell surface expression of a melanoma integrin (1989)
    New York, N.Y. : Wiley-Blackwell
    Journal of Cellular Biochemistry 41 (1989), S. 37-45 
    Details
    ISSN: 0730-2312
    Schlagwort(e): vitronectin receptor ; adhesion receptor ; castanospermine ; N-methyldeoxynojirimycin ; deoxymannojirimycin ; swainsonine ; intracellular transport ; Life and Medical Sciences ; Cell & Developmental Biology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie , Chemie und Pharmazie , Medizin
    Notizen: The role of trimming and processing of N-linked oligosaccharides on the cell surface expression of the melanoma vitronectin receptor, a member of the integrin family of cell adhesion receptors, was examined by using specific glucosidase and mannosidase inhibitors. Inhibition of glucosidases I and II by castanospermine or N-methylde-oxynojirimycin delayed the vitronectin receptor α/β chain heterodimer assembly and α chain cleavage and resulted in a decrease in the level of expression cell surface receptor. Conversely, the vitronectin receptor synthesized in the presence of the mannosidase I and II inhibitors, 1-deoxymannojirimycin and swainsonine, was transported normally to the cell surface with its α chain N-linked oligosaccharides in an endoglycosidase H-sensitive from. In the presence of swainsonine, time course studies of the cell surface replacement of control, endoglycosidase H-resitant receptor with an endoglycosidase H-sensitive form demonstrated a vitronectin receptor half-life of approximately 15-16 h. These studies provide evidence that the rates of assembly, proteolytic cleavage, and cell surface expression of the melanoma vitronectin receptor are dependent on the initial trimming of glucosyl residues from the α chain N-linked oligosaccharides.
    Zusätzliches Material: 4 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/jcb.240410105
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    facet.materialart.
    Unbekannt
    Older, sociable capuchins (Cebus capucinus) invent more social behaviors, but younger monkeys innovate more in other contexts (2017)
    National Academy of Sciences
    Details
    Publikationsdatum: 2017-07-24
    Beschreibung: An important extension to our understanding of evolutionary processes has been the discovery of the roles that individual and social learning play in creating recurring phenotypes on which selection can act. Cultural change occurs chiefly through invention of new behavioral variants combined with social transmission of the novel behaviors to new practitioners. Therefore, understanding what makes some individuals more likely to innovate and/or transmit new behaviors is critical for creating realistic models of culture change. The difficulty in identifying what behaviors qualify as new in wild animal populations has inhibited researchers from understanding the characteristics of behavioral innovations and innovators. Here, we present the findings of a long-term, systematic study of innovation (10 y, 10 groups, and 234 individuals) in wild capuchin monkeys (Cebus capucinus) in Lomas Barbudal, Costa Rica. Our methodology explicitly seeks novel behaviors, requiring their absence during the first 5 y of the study to qualify as novel in the second 5 y of the study. Only about 20% of 187 innovations identified were retained in innovators’ individual behavioral repertoires, and 22% were subsequently seen in other group members. Older, more social monkeys were more likely to invent new forms of social interaction, whereas younger monkeys were more likely to innovate in other behavioral domains (foraging, investigative, and self-directed behaviors). Sex and rank had little effect on innovative tendencies. Relative to apes, capuchins devote more of their innovations repertoire to investigative behaviors and social bonding behaviors and less to foraging and comfort behaviors.
    Print ISSN: 0027-8424
    Digitale ISSN: 1091-6490
    Thema: Biologie , Medizin , Allgemeine Naturwissenschaft
    Publiziert von National Academy of Sciences
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    facet.materialart.
    Unbekannt
    Erratum: A rare variant in APOC3 is associated with plasma triglyceride and VLDL levels in Europeans (2015)
    Springer Nature
    Details
    Publikationsdatum: 2015-05-14
    Beschreibung: Erratum Nature Communications doi: 10.1038/ncomms8171 Authors: Nicholas J. Timpson, Klaudia Walter, Josine L. Min, Ioanna Tachmazidou, Giovanni Malerba, So-Youn Shin, Lu Chen, Marta Futema, Lorraine Southam, Valentina Iotchkova, Massimiliano Cocca, Jie Huang, Yasin Memari, Shane McCarthy, Petr Danecek, Dawn Muddyman, Massimo Mangino, Cristina Menni, John R. B. Perry, Susan M. Ring, Amadou Gaye, George Dedoussis, Aliki-Eleni Farmaki, Paul Burton, Philippa J. Talmud, Giovanni Gambaro, Tim D. Spector, George Davey Smith, Richard Durbin, J. Brent Richards, Steve E. Humphries, Eleftheria Zeggini, Nicole Soranzo
    Digitale ISSN: 2041-1723
    Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft , Physik
    Publiziert von Springer Nature
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    facet.materialart.
    Unbekannt
    A rare variant in APOC3 is associated with plasma triglyceride and VLDL levels in Europeans (2014)
    Springer Nature
    Details
    Publikationsdatum: 2014-09-18
    Beschreibung: Article Population-based genome sequencing provides an increasingly rich resource for the identification of low-frequency, large effect variants associated with clinically important phenotypes. Timpson et al. use UK10K data to identify a variant of the APOC3 gene strongly associated with plasma triglyceride levels. Nature Communications doi: 10.1038/ncomms5871 Authors: Nicholas J. Timpson, Klaudia Walter, Josine L. Min, Ioanna Tachmazidou, Giovanni Malerba, So-Youn Shin, Lu Chen, Marta Futema, Lorraine Southam, Valentina Iotchkova, Massimiliano Cocca, Jie Huang, Yasin Memari, Shane McCarthy, Petr Danecek, Dawn Muddyman, Massimo Mangino, Cristina Menni, John R. B. Perry, Susan M. Ring, Amadou Gaye, George Dedoussis, Aliki-Eleni Farmaki, Paul Burton, Philippa J. Talmud, Giovanni Gambaro, Tim D. Spector, George Davey Smith, Richard Durbin, J Brent Richards, Steve E. Humphries, Eleftheria Zeggini, Nicole Soranzo
    Digitale ISSN: 2041-1723
    Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft , Physik
    Publiziert von Springer Nature
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
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    A submersible piezoresistive MEMS lateral force sensor for a diagnostic biomechanics platform (2012)
    Elsevier
    Details
    Publikationsdatum: 2012-12-01
    Print ISSN: 0924-4247
    Digitale ISSN: 1873-3069
    Thema: Elektrotechnik, Elektronik, Nachrichtentechnik
    Publiziert von Elsevier
    Standort Signatur Erwartet Verfügbarkeit
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