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  • 1990-1994  (9)
  • 1
    Electronic Resource
    Electronic Resource
    Stereoselective acyclic 3,2 peroxyl radical rearrangements (1990)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 112 (1990), S. 1266-1267 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00159a068
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Carboxylated starburst dendrimers as calibration standards for aqueous size exclusion chromatography (1992)
    s.l. : American Chemical Society
    Analytical chemistry 64 (1992), S. 2339-2343 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac00044a007
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Evaluation of Models for Size Exclusion Chromatography of Asymmetric Solutes (1994)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 98 (1994), S. 7063-7067 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100079a028
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Special Topic: Caged Compounds in Cellular Physiology (1990)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Physiology 52 (1990), S. 853-855 
    Details
    ISSN: 0066-4278
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine , Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.ph.52.030190.004225
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Photochemical Manipulation of Divalent Cation Levels (1990)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Physiology 52 (1990), S. 897-914 
    Details
    ISSN: 0066-4278
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine , Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.ph.52.030190.004341
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Simultaneous Display of Sexual and Ingestive Behaviour by Rats (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neuroendocrinology 4 (1992), S. 0 
    Details
    ISSN: 1365-2826
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Intraoral infusion of sucrose activates consummatory ingestive behaviour in rats selectively, i.e. the rat only emits the responses used to ingest food. Activation of consummatory ingestive behaviour in this way had no effect on the subsequent display of sexual behaviour by male or female rats and vice versa. Rats infused intraorally with sucrose and presented with a sexual partner showed ingestive and sexual behaviour simultaneously. Pretreatment with cholecystokinin octapeptide inhibited the ingestion of sucrose in both males and females but had no effect on the simultaneous display of sexual behaviour. Ingestion of sucrose from a drinking spout, a test in which the rat has to emit responses to obtain food, i.e. show appetitive ingestive behaviour, was inhibited by the presentation of a sexual partner in rats of both sexes. These results show that the mechanisms controlling consummatory sexual and ingestive behaviour operate independently and that the presentation of a sexual partner inhibits appetitive ingestive behaviour.Daily intraoral infusion of sucrose reduced pellet intake in ovariectomized rats while the rats maintained their body weight. Implantation of an oestradiol-filled implant reduced body weight and inhibited daily intake of pellets but had no effect on the intake of intraorally administered sucrose. Subsequent removal of the oestradiol implant increased sucrose intake and body weight but did not have a marked effect on pellet intake. Thus, rats respond to a lowering of the set point for body weight by decreasing their intake of the least preferable kind of food and increase their intake of the most preferable kind of food in response to an elevation of the set point for body weight. Ovariectomized rats infused intraorally once daily with a highly nutritive milk diet in the absence of food pellets ingested very large amounts and reduced their intake in response to oestradiol implantation. Thus, although oestradiol can inhibit consummatory ingestive behaviour, its suppressive effect on ingestion cannot be described in terms of selective effects on appetitive and/or consummatory aspects of the behaviour nor in terms of an alteration in the preference for a sweet solution.Inhibition of ingestive behaviour occurred within 24 h after oestrogen treatment as opposed to stimulation of sexual behaviour which had a longer latency, suggesting that oestradiol affects ingestive and sexual behaviour via different mechanisms. While the mechanisms controlling consummatory ingestive and sexual behaviour must be different, there is evidence for a common mechanism mediating the incentive motivation and reward aspects of these behaviours. The mechanisms which enable rats to select between two, possibly equally rewarding courses of action, i.e. display of sexual or ingestive responses, however, are unknown.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2826.1992.tb00184.x
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  • 7
    Electronic Resource
    Electronic Resource
    Frequency of the major CF mutation in French CF patients (1990)
    Springer
    Human genetics 〈Berlin〉 85 (1990), S. 397-398 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We have studied 124 patients of French origin, whose CF status had already been clearly established. These children belong to families previously tested with restriction fragment length polymorphism (RFLP) markers in our laboratory for genetic counselling. The most common mutation (4F508) accounts for 67% in this population sample.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02428273
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Investigation of factor VIII:C gene restriction fragment length polymorphisms and search for deletions in hemophiliac subjects in Algeria (1990)
    Springer
    Human genetics 〈Berlin〉 84 (1990), S. 401-405 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The frequency of alleles for intragenic (intron 17 and intron 25) and extragenic (DXS15 and DXS52) F8C RFLPs was investigated in the Algerian population. Altogether 287 X chromosomes (97 males and 95 females) were studied. The allele frequencies found with the two intragenic F8C RFLPs were not substantially different from those reported in a Mediterranean population. At the highly polymorphic extragenic DXS52 locus the distribution in Algeria differed from that found in France. A new allele (14kb), called 1 DZ, was found in 3.1% of the chromosomes. Fifty-one families with hemophilia A were studied with the same probes (374 subjects). Of the females, 94% were informative for at least one intra- or extragenic RFLP. Two recombinations were found between DXS52 and F8C, of which one occurred between the DXS15, DXS52 block and F8C, indicating that the two anonymous loci are on the same side of the F8C gene. Only two obvious gene deletions were observed in 73 unrelated hemophiliacs: one encompassed exons 14–22 (about 4.3 kb of cDNA and 36kb of genomic DNA); the other removed the last exon (exon 26, representing 2 kb of cDNA).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00195808
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    A knowledge-based design approach for injection molding of plastic balls (1991)
    Hoboken, NJ : Wiley-Blackwell
    Advances in Polymer Technology 11 (1991), S. 109-120 
    Details
    ISSN: 0730-6679
    Keywords: 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
    Notes: Many firms have begun to recognize the promise and potential offered by knowledge-based systems (KBSs) to their design and manufacturing processes. KBSs incorporate the problem solving heuristics of human experts to solve difficult problems in various problem domains. A knowledge-based approach is proposed here for the computer-aided design of injection molded parts. The proposed KBS contains acquired knowledge of mold design alternatives and the assessment criteria for these designs. It employs this knowledge and user-entered problem characteristics to assist in the selection of a mold design for specific requirements. The rule-based KBS was developed using the 1st Class KBS development shell. In addition, the associated computer-aided design system is described in some detail, along with areas for future research.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/adv.1991.060110204
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