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  • Articles  (43)
  • Springer  (29)
  • American Chemical Society  (6)
  • Paleontological Society  (4)
  • American Geophysical Union  (2)
  • Emerald  (2)
  • American Meteorological Society (AMS)
  • Würzburg : Freunde der Würzburger Geowiss.
  • 1990-1994  (43)
  • 1994  (13)
  • 1993  (14)
  • 1990  (16)
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  • 1990-1994  (43)
Year
  • 1994  (13)
  • 1993  (14)
  • 1990  (16)
  • 1992  (15)
  • 1991  (11)
Journal
  • 1
    ISSN: 1573-4986
    Keywords: Friend spleen focus-forming virus ; glycoprotein ; oligosaccharide processing ; SFFV
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Normal rat kidney cells, non-productively infected with the anaemia-inducing variant of Friend spleen focus-forming virus (F-SFFVA), were metabolically labelled with [2-3H]mannose. The primary translation product of the viral envelope gene (env), representing a glycoprotein with an apparent molecularM r of 55 000 (gp55), was isolated from cell lysates by immunoaffinity chromatography and purified by preparative SDS/PAGE. Radiolabelled oligosaccharides, released from tryptic glycopeptides by treatment with endo-β-N-acetylglucosaminidase H, were characterized chromatographically, by enzymic digestion and by acetolysis. The results revealed that F-SFFVA gp55 obtained from this source carried predominantly oligomannose type sugar chains with five to nine mannoses. As a characteristic feature, glycans with seven to nine mannoses contained, in part, an additional glucose residue. Although the amount of glucosylated species found was higher in F-SFFVA gp55 (about 25% of total endo-H-sensitive oligosaccharides) than in gp55 of the corresponding polycythaemia-inducing variant (F-SFFVP, 16.3%), the overall glycosylation pattern of the F-SFFVA env product closely resembled that of F-SFFVP gp55 [Strubeet al. (1988)J Biol Chem 263:3762–71]. Hence, our results demonstrate that the different intracellular processing and transport of the primary F-SFFVA env product cannot be attributed to aberrant trimming of its oligomannose type glycans.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 1994-04-01
    Print ISSN: 0282-0080
    Electronic ISSN: 1573-4986
    Topics: Chemistry and Pharmacology
    Published by Springer
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  • 3
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 116 (1994), S. 7735-7743 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 97 (1993), S. 5149-5154 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Bingley : Emerald
    Kybernetes 23 (1994), S. 46-61 
    ISSN: 0368-492X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Computer Science
    Notes: Aims to analyse the influence of Norbert Wiener's ideas on the social sciences and on social systems, including society as a whole. Describes Wiener's own attitudes regarding the applicability of cybernetics to social systems and his vision on the development of modern society. Highlights sociologists and political scientists who were inspired by his ideas and deals with researchers who tried to apply his ideas to social systems. Concludes by evaluating to what extent specific ideas of Wiener have impacted on the social sciences.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Bingley : Emerald
    Kybernetes 23 (1994), S. 10-34 
    ISSN: 0368-492X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Computer Science
    Notes: Provides definitions of the three concepts in the title and explores their interrelationships. Distinguishes six alienation dimensions - powerlessness; meaninglessness; normlessness; social isolation; cultural estrangement; self-estrangement - and combines them with three kinds of participation: spontaneous, negative, and compensatory. Describes increasing societal complexity from a general systems perspective. Explores the psycho- and sociogenesis of unalienated as well as alienated participation. Increasing societal complexity creates new forms of alienation and participation, but also resistances of groups that feel threatened or left out by an excessively fast rate of change, which in turn threatens macro-societal stability. Those left without the means to participate in the economic or political process tend to be the alienated "negative participants"; they are generally destructive and anti-outgroup as a result of personal experiences or economic deprivation.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Computing 43 (1990), S. 199-207 
    ISSN: 1436-5057
    Keywords: 65C99 ; Particle methods ; linearized Boltzmann equation ; Gauss integration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung In [3] ist eine Partikelmethode vorgestellt, die unendlich viele Partikel benötigt. Zu ihrer numerischen Implementierung muß der numerisch relevante Träger abgeschätzt werden. Um dies zu vermeiden, führen wir über die Gasß-Integration eine a priori endliche Form ein und stellen numerische Ergebnisse für verschiedene Testbereiche vor.
    Notes: Abstract In [3] a particle method is proposed which acts on an infinite grid. Hence, for a numerical application an estimation of the numerically relevant support is necessary. To overcome this difficulty we suggest a finite grid based on Gaussian integration formulas and present numerical results of different test examples.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European journal of nutrition 29 (1990), S. 192-196 
    ISSN: 1436-6215
    Keywords: Ascorbic acid metabolism ; Callitrichidae ; stress ; 14CO2-excretion ; Ascorbinsäurestoffwechsel ; Krallenaffen ; Streß ; 14CO2-Ausscheidung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Zusammenfassung Bei den beiden Affenarten Callithrix jacchus und Saguinus fuscicollis, die der gleichen Neuweltaffenfamilie der Krallenaffen angehören, wurden extrem unterschiedliche Serumascorbatspiegel gefunden, obwohl die Tiere unter identischen Bedingungen in derselben Kolonie gehalten wurden. Die14C-Ausscheidung von oral verabreichter 1-14C-AA wurde unter marginaler wie auch reichlicher Vitamin-C-Versorgung sowie unter Streßbedingungen untersucht. Zwischen niedriger und hoher Vitamin-C-Versorgung traten große Unterschiede im14C-Ausscheidungsmodus auf. Der Speziesunterschied war dabei geringer als der Unterschied zwischen individuellen Streß-/Nichtstreß-Bedingungen, aber in beiden Fällen war er gleichartig. In vergleichbaren Versuchen reagierte S. fuscicollis derart, daß ein höherer Streßzustand bei dieser Spezies angenommen werden kann.
    Notes: Summary Recently it has been found that the two monkey species Callithrix jacchus and Saguinus fuscicollis, both belonging to the same New World monkey family Callitrichidae and held in the same colony under identical conditions, had extremely different serum ascorbate levels. To examine the ascorbic acid metabolism the14C-excretion of orally given 1-14C-ascorbic acid was studied under conditions of marginal and abundant vitamin C supply and under intentional stress. There were large differences in the mode of14C excretion between low and high ascorbate supply. The differences were smaller between stress/no stress conditions intraindividually than between the two species, but they were in the same manner. In comparable trials S. fuscicollis reacted such that a higher status of stress can be supposed in this species.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Order 10 (1993), S. 77-92 
    ISSN: 1572-9273
    Keywords: 06B05 ; 06B20 ; Doubling construction ; semidistributive lattices ; k-semidistributivity ; context ; doubling classes ; pseudovariety
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract A latticeL is called congruence normal if it can be generated by doubling of convex sets starting with the one-element lattice. In the special case of intervals, the lattice is called bounded. It has been proven thatL is bounded if and only ifL is congruence normal and semidistributive. In this paper we study the connection between certain classes of convex sets and generalized semidistributive laws. These so-called doubling classes are pseudovarieties which can be described by implications as well as by forbiden substructures. In the end, we examine the structure of the lattice of all doubling classes.
    Type of Medium: Electronic Resource
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