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  • Springer  (76)
  • Blackwell Publishing Ltd  (4)
  • Paleontological Society  (4)
  • American Geophysical Union  (3)
  • Annual Reviews  (2)
  • 1990-1994  (59)
  • 1970-1974  (14)
  • 1955-1959  (8)
  • 1930-1934  (8)
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  • 1
    Electronic Resource
    Electronic Resource
    Glycosylation of glycoprotein 55 encoded by the anaemia-inducing strain of Friend spleen focus-forming virus (1994)
    Springer
    Glycoconjugate journal 11 (1994), S. 133-139 
    Details
    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
    URL: http://dx.doi.org/10.1007/BF00731153
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  • 2
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    Glycosylation of glycoprotein 55 encoded by the anaemia-inducing strain of Friend spleen focus-forming virus (1994)
    Springer
    Details
    Publication Date: 1994-04-01
    Print ISSN: 0282-0080
    Electronic ISSN: 1573-4986
    Topics: Chemistry and Pharmacology
    Published by Springer
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    PAPER CURRENT
  • 3
    Electronic Resource
    Electronic Resource
    TRANSIENT ELECTROMAGNETIC RESPONSE NEAR A FAULT ZONE (1972)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical prospecting 20 (1972), S. 0 
    Details
    ISSN: 1365-2478
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Physics
    Notes: Recent improvements in instrumentation and field techniques have made time domain electromagnetic methods more acceptable. This acceptance has prompted further theoretical work for use in the interpretation of field data.The asymptotic solutions for the transient electromagnetic field components in the vicinity of a fault zone separating two media of high resistivity contrast are obtained for low frequency or late time. Excitation is by normally incident plane waves at the earth's surface. Because of the slow convergence of the asymptotic time series expansions, a numerical polygonal inversion is performed on the real part, or in-phase term, of the time-harmonic surface expressions for the electric and magnetic field components.For both impulsive and step excitation the transient electric field normal to the contact is more sensitive to changes in the structural attitude of the fault plane than the transient electric field parallel to the contact. The transient anomalous vertical magnetic field for either impulsive or step excitation appears to be most diagnostic of dip angle, although waveform shape does not seem to be significantly dependent on the slope of the fault. For dip angles greater than 90 degrees, as measured on the poorly conducting side of the contact, all field components become more insensitive as indicators of the structural attitude. The results presented here should be useful in obtaining several geologic parameters descriptive of a fault zone or lateral resistivity inhomogeneity from transient electromagnetic soundings; they should also provide an aid to differentiating with available geological information between layering effects on transient electromagnetic responses and effects largely due to lateral changes in resistivity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2478.1972.tb00669.x
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  • 4
    Electronic Resource
    Electronic Resource
    Fates and Effects of Oil Spills (1992)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Environment and Resources 17 (1992), S. 261-283 
    Details
    ISSN: 1056-3466
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.eg.17.110192.001401
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  • 5
    Electronic Resource
    Electronic Resource
    INFLUENCE OF BLOOD FLOW-INDEPENDENT FACTORS ON CEREBRAL IMPEDANCE (1970)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 170 (1970), 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.1749-6632.1970.tb17721.x
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  • 6
    Electronic Resource
    Electronic Resource
    A Lecithinase from the Amoeba Hartmannella rhysodes (1970)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 17 (1970), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS A lipogenic toxin produced by the amoeba Hartmannella rhysodes, Fernald strain, made mammalian cells in culture round up and fill with fat droplets. From this toxin an enzyme was obtained with lecithinase and lysolecithinase activities. This enzyme is different from any isolated elsewhere. When purified enzyme was added to strain L mouse fibroblasts in culture, the cells rounded up and became fatty. Much of the lipogenic activity of the original toxin can be ascribed to this enzyme.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1970.tb04711.x
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  • 7
    Electronic Resource
    Electronic Resource
    THE MULTI-USER ZONE OF THE GULF OF MEXICO -ITS PROMISE AND PROBLEMS (1970)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 6 (1970), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1970.tb00519.x
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  • 8
    Electronic Resource
    Electronic Resource
    A deterministic particle-method solving the linearized Boltzmann equation (1990)
    Springer
    Computing 43 (1990), S. 199-207 
    Details
    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
    URL: http://dx.doi.org/10.1007/BF02242917
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  • 9
    Electronic Resource
    Electronic Resource
    Studies on the ascorbic acid metabolism of callitrichid monkeys by14C isotope excretion technique (1990)
    Springer
    European journal of nutrition 29 (1990), S. 192-196 
    Details
    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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02021558
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  • 10
    Electronic Resource
    Electronic Resource
    Bruterfolg, Siedlungsdichte und Raumnutzung der Elster (Pica pica) in unterschiedlichen Habitaten (1992)
    Springer
    Journal of ornithology 133 (1992), S. 389-402 
    Details
    ISSN: 1439-0361
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Summary The influence of several factors on breeding success, nesting behaviour, density and selection of nesting sites was investigated on a study plot of 128 km2 in northeastern Bavaria (Bayreuth, Oberfranken). The position to human settlement is the most important factor: Magpies within settlements showed a higher breeding success and density than outside (Tab. 5); the habitat (rural, urban, outskirts) was less important. Potential predators (GoshawkAccipiter gentilis, Carrion CrowCorvus corone corone) had no effect, Probably because of its low densities. The relation to colonies of the Fieldfare (Turdus pilaris) is interpreted as a common use of grassland as feeding site during the breeding season (Tab. 5). Magpies seem to avoid the vicinity of forests (Tab. 4). The altitude had only a slight effect on breeding success and nesting behaviour. Among several factors which refer to the nesting site (tree type, height, exposition, period of leaf break, nest type) only the nest age had a clear (positive) effect on breeding success. Magpies preferred higher trees for nest-building (Tab. 4). The influence of other factors (density of nest sites, hunting, character of trees) and the relation between the different factors are discussed.
    Notes: Zusammenfassung Auf einer Fläche von 128 km2 im Raum Rayreuth (Oberfranken) wurde der Einfluß verschiedener Faktoren auf Bruterfolg, Nestbau, Siedlungsdichte und Nistplatzwahl der Elster durch multivariable statistische Methoden geprüft. Größte Bedeutung kam der Lage zur Siedlung zu: Elstern innerhalb von Siedlungen hatten einen vergleichsweise höheren Bruterfolg und eine höhere Siedlungsdichte. Das Habitat (Stadt, Stadtrand, Land) spielte demgegenüber eine geringere Rolle. Ein Einfluß potentieller Feinde (Rabenkrähe, Habicht) war (vermutlich wegen zu geringer Dichte) nicht erkennbar. Die mögliche Beziehung zur Wacholderdrossel wird als gemeinsame Nutzung von Grünland als wichtigste Nahrungsquelle diskutiert. Waldrandnahe Standorte wurden gemieden. Die Höhenlage hatte nur einen geringen Einfluß auf Bruterfolg und Nestbauverhalten. Von verschiedenen das Nest betreffenden Parametern (Baumtyp, Baumhöhe, Exposition, Blattaustrieb, Nestausbau, Nestalter) hatte nur das Nestalter einen deutlichen positiven Effekt auf den Bruterfolg. Bei der Wahl eines Nistplatzes war die Baumhöhe die einzig erkennbare wichtige Größe: Elstern nutzten höhere Bäume als dem durchschnittlichen Angebot entsprach. Die Bedeutung anderer Faktoren (Nistplatzangebot, Jagd) und die Beziehung zwischen den verschiedenen Parametern wird diskutiert.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01640467
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