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  • Mastomys natalensis  (2)
  • Presbytis entellus  (2)
  • dilatometry  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Hepatic acid hydrolases of albino rats,Mastomys natalensis and albino mice duringPlasmodium berghei infection (1985)
    Springer
    Cellular and molecular life sciences 41 (1985), S. 472-474 
    Details
    ISSN: 1420-9071
    Keywords: Mouse, Swiss ; Mastomys natalensis ; rat, C. F. strain ; acid hydrolases, liver ; Plasmodium berghei infection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Changes in liver acid hydrolase activities during the infection of albino rats,Mastomys or mice withPlasmodium berghei are described. B-Glucosidase, B-galactosidase and N-acetyl-B-D-glucosaminidase exhibited widely different responses with acid phosphatase and cathepsin-B the least responsive and are likely to be causally related to immunity of animals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01966153
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    γ-Glutamyl-transpeptidase in lymphatic tissues ofMastomys natalensis during an infection withAcanthocheilonema viteae (1990)
    Springer
    Cellular and molecular life sciences 46 (1990), S. 742-744 
    Details
    ISSN: 1420-9071
    Keywords: Acanthocheilonema viteae ; Mastomys natalensis ; γ-glutamyl-transpeptidase ; lymphoid tissues ; filarial infection ; immunosuppression
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary DuringAcanthocheilonema viteae infection, the specific activity of γ-glutamyltranspeptidase (γ-GT) increased in peritoneal exudate cells and bone marrow and decreased in lymphnodes ofMastomys natalensis throughout the course of infection. However, though there was an increase in specific activity of γ-GT in thymus and spleen during the prepatent phase ofA. viteae infection, the level either returned to normal or decreased during the latent phase of infection. A close correlation was observed between the host's immune status duringA. viteae infection and the level of γ-GT in lymphoid tissues.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01939953
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Insectivory and its significance to langur diets (1991)
    Springer
    Primates 32 (1991), S. 237-241 
    Details
    ISSN: 0032-8332
    Keywords: Insectivory ; Diet ; Presbytis entellus ; Energy/nutrient maximization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Earlier studies on Hanuman langurs (Presbytis entellus) around Jodhpur found them entirely vegetarian (Mohnot, 1974;Winkler, 1988). However, recent observations in the open scrub forests of Jodhpur reveal that scale insects may constitute a regular part of their diet and that insectivory is particularly prevalent in the monsoon months July – September. The insect eating in this habitat seems to support the “Energy/nutrient maximization” hypothesis ofHamilton andBusse (1978).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02381181
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Reatarding effect of nitrogen ylide for the polymerization of N-vinyl pyrrolidone (1990)
    Springer
    Colloid & polymer science 268 (1990), S. 645-648 
    Details
    ISSN: 1435-1536
    Keywords: β-picolinium-p-chlorophenacylide ; α-α azobisisobutyronitrile ; N-vinyl pyrrolidone ; dilatometry ; retarder ; kinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract β-Picolinium-p-chlorophenacylide (β-PCFY) acts as a retarder for polymerization of N-vinyl pyrrolidone. The polymerization runs were carried out at 60°C using benzene as an inert solvent. The kinetic equation for the present system may be written asR p α[β-PCPY]−1.0 [AIBN]0.66[N-VP]1.0. The value of overall energy of activation for polymerization in presence and absence ofβ-PCPY was computed as 44.0 and 42.3 kJ mol−1, respectively. The inverse relationship ofR p and¯M v withβ-PCPY suggests thatβ-PCPY acts as a polymerization retarder. The retarding effect is also evidenced by higher initiator exponent value and higher value of energy of activation in presence of ylide. A mechanism is also proposed in which polymer propagating chain combines with one ylide component to give resonance stabilized radical.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01410406
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Abortions in free ranging Hanuman langurs (Presbytis entellus) — a male induced strategy? (1988)
    Springer
    Human evolution 3 (1988), S. 297-308 
    Details
    ISSN: 1824-310X
    Keywords: Presbytis entellus ; Reproductive strategies ; Abortion ; Infanticide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract During a 10-year long term study, 6 eye-witnessed and 1 pressumed cases of abortions occurred in 3 one-male bisexual troops of free ranging langurs (Presbytis entellus) near Jodhpur, Rajasthan, India. The age of the unborns varied from 35 to about 200 days. The subsequent birth interval ranged between 7.1–21.1 months. 2 miscarriages occurred during stable periods of residency of a single male. 5 cases occurred prior to or after infanticide in connection with male changes. In one case a female was attacked by the new male before she aborted. In one case a female presumably aborted after attacks on her semiweaned infant. Most of the reproductive losses hence seem to be related to psychical and physical stress exerted by new males on pregnant females. As part of their reproductive strategy, males reduce their waiting time to insemination in this way. Abortions may likewise represent an adaptive reproductive strategy of females, who prefer to abort instead of investing in a foetus which is likely to be killed after birth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02435859
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Copolymerization of zinc acrylate with acrylonitrile initiated by As2S3-styrene complex (1994)
    New York, NY [u.a.] : Wiley-Blackwell
    Polymer International 34 (1994), S. 105-109 
    Details
    ISSN: 0959-8103
    Keywords: Zinc acrylate ; acrylonitrile ; As2S3-styrene complex ; copolymerization ; dilatometry ; kinetics ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Radical copolymerization of zinc acrylate (ZnA2) with acrylonitrile (AN), initiated by As2S3-styrene complex(I), in dimethyl Sulphoxide (DMSO) at 90 ± 0.1°C for 1.0h under inert atmosphere, yields non-alternating copolymers. The kinetic expression is Rp ∝ [I]0.33 [ZnA2]0.25 [AN]0.44, i.e. the system follows non-ideal kinetics, which is due to primary radical termination as well as degradative chain transfer reactions. The values for activation energy (E) and k2p/kt are 128kJ mol-1 and 8.57 × 10-7 litre mol-1 s-1, respectively. Thermal stability, solubility in different solvents, and IR and NMR spectra have been evaluated.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pi.1994.210340114
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    Paper (German National Licenses)
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