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  • 1
    Electronic Resource
    Electronic Resource
    Specificity of androgen resistance inMus caroli kidney (1988)
    Springer
    Biochemical genetics 26 (1988), S. 705-716 
    Details
    ISSN: 1573-4927
    Keywords: Mus caroli ; Mus musculus ; androgen ; kidney ; submandibular gland
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Androgen controls the expression of β-glucuronidase and several other proteins in the kidney of the standard laboratory mouse,Mus musculus. Other species within the genusMus exhibit a variety of response patterns for kidney β-glucuronidase and other markers of androgen action. We have investigated the mechanism of androgen action inM. caroli, aMus species that does not produce β-glucuronidase in response to testosterone. The failure of testosterone to induce β-glucuronidase inM. caroli females cannot be overcome by treatment with dihydrotestosterone, with pharmacological doses of testosterone propionate or dihydrotestosterone propionate, or with a variety of potent androgen analogues. All of these compounds induce kidney β-glucuronidase inM. musculus females and kidney ornithine decarboxylase, submandibular gland renin, and submandibular gland epidermal growth factor in bothM. caroli andM. musculus females. Furthermore, kidney androgen receptor proteins fromM. caroli andM. musculus animals have the same sedimentation characteristics on sucrose density gradients. These data indicate that androgen resistance inM. caroli is not due to deficient 5α-reductase or aberrant hormone metabolism producing suboptimal levels of functional androgen and is not caused by a defective androgen receptor. They suggest that the resistance of β-glucuronidase inM. caroli kidney to induction by androgen occurs at the level of the β-glucuronidase gene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00553870
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Specificity of androgen resistance inMus caroli kidney (1988)
    Springer
    Biochemical genetics 26 (1988), S. 705-716 
    Details
    ISSN: 1573-4927
    Keywords: Mus caroli ; Mus musculus ; androgen ; kidney ; submandibular gland
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Androgen controls the expression of β-glucuronidase and several other proteins in the kidney of the standard laboratory mouse,Mus musculus. Other species within the genusMus exhibit a variety of response patterns for kidney β-glucuronidase and other markers of androgen action. We have investigated the mechanism of androgen action inM. caroli, aMus species that does not produce β-glucuronidase in response to testosterone. The failure of testosterone to induce β-glucuronidase inM. caroli females cannot be overcome by treatment with dihydrotestosterone, with pharmacological doses of testosterone propionate or dihydrotestosterone propionate, or with a variety of potent androgen analogues. All of these compounds induce kidney β-glucuronidase inM. musculus females and kidney ornithine decarboxylase, submandibular gland renin, and submandibular gland epidermal growth factor in bothM. caroli andM. musculus females. Furthermore, kidney androgen receptor proteins fromM. caroli andM. musculus animals have the same sedimentation characteristics on sucrose density gradients. These data indicate that androgen resistance inM. caroli is not due to deficient 5α-reductase or aberrant hormone metabolism producing suboptimal levels of functional androgen and is not caused by a defective androgen receptor. They suggest that the resistance of β-glucuronidase inM. caroli kidney to induction by androgen occurs at the level of the β-glucuronidase gene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02395517
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Changes in the reactivity of functional groups during polyesterification: A new approach to polymerization in fatty-acid-modified polyesters (alkyd resins) (1967)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 11 (1967), S. 1593-1602 
    Details
    ISSN: 0021-8995
    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 , Physics
    Notes: Gel-point calculations based on the theory of polyesterification proposed by Flory do not agree with the experimental values even when Bobalek's concept of gel point as the first formation of infinite molecules (microgel) is used. Resins covering the range 30-60% oil length were prepared and examined by electron microscopy for the presence of microgel particles. The extent of reaction at which microgel forms is discussed in relation to the concept of equal reactivity. The conditions necessary for the formation of microgel particles and the significance of these observations to the basic assumptions used in developing the theory of polyesterification are discussed.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1967.070110820
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  • 4
    Electronic Resource
    Electronic Resource
    Reactions catalyzed by minerals. Part II. Chain termination in free-radical polymerizationsProd. No. 1653 (1967)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 11 (1967), S. 2567-2575 
    Details
    ISSN: 0021-8995
    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 , Physics
    Notes: The influence of aluminosilicates and magnesium silicates on the free-radical polymerization of methyl methacrylate is discussed. The relationship between the structure of the mineral and its ability to inhibit radical reactions is considered, and it is concluded that aluminum in octahedral coordination is mainly responsible for the inhibition. Mechanisms which account for the termination reaction are proposed and supported by studies of the reaction of stable free radicals with the minerals.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1967.070111216
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  • 5
    Electronic Resource
    Electronic Resource
    Plasma and red blood cell protein maps: Update 1993 (1993)
    Weinheim : Wiley-Blackwell
    Electrophoresis 14 (1993), S. 1223-1226 
    Details
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: This publication updates the reference plasma and red blood cell protein maps obtained with immobilized pH gradients. Seventeen polypeptide spots or chains were partially characterized by direct N-terminal sequencing or by sequencing of peptides obtained from enzymatic digestion. Additional new polypeptides and previously known proteins are listed in a table and/or labeled on the protein maps, thus providing the 1993 update of the human plasma and red blood cell two-dimensional gel SWISS-2DPAGE database. SWISS-2DPAGE and the SWISS-PROT protein sequence databases are closely linked together through the use of common accession numbers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.11501401183
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Reaction of α, α-diphenyl-β-picrylhydrazyl with acids (1965)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A: General Papers 3 (1965), S. 3107-3116 
    Details
    ISSN: 0449-2951
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The action of dilute aqueous mineral acids on α,α-diphenyl-β-picryl hydrazyl (DPPH) has been studied and shown to result in the rapid loss of the characteristic color of the radical. Hydrobromic and hydrochloric acids yield α,α-diphenyl-β-picryl hydrazine (DPPH-H) and the corresponding halogen-substituted α,α-diphenyl-β-picryl hydrazine. Hydroiodic acid gives DPPH-H, iodine, and a small quantity of DPPH. A number of organic acids cause similar reactions. Kinetic studies on the hydrobromic acid system indicate that the reaction is first-order with respect to: hydrogen ion concentration, DPPH concentration, and anion concentration. The ability of the anion to undergo one-electron transfer and to dimerize are also important, and the strongest nucleophile gives the fastest reaction. A mechanism which involves ionic attack is proposed to account for the reaction of DPPH with acid. The limitations of DPPH in studying reaction mechanisms are then discussed in relation to the proposed ionic mechanism.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1965.100030906
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