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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of experimental biology and medicine 107 (1989), S. 142-145 
    ISSN: 1573-8221
    Keywords: focal epileptic activity ; cat and rat blood plasma ; ACTH ; cortisol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of experimental biology and medicine 86 (1978), S. 1445-1448 
    ISSN: 1573-8221
    Keywords: cortisol ; ACTH ; apolipoproteins ; rat liver and blood
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The effect of cortisol (5 mg/kg, 5 and 10 days) on biosynthesis of apoproteins of very low density lipoproteins in the liver and on synthesis of apoproteins of very low, low, and high density lipoproteins in blood serum of intact animals was investigatedin vivo. Cortisol, within the periods specified, inhibits biosynthesis of apoproteins of very low density lipoproteins (apo-VLDL) in liver. After adrenalectomy apo-VLDL synthesis is intensified and this effect is abolished during replacement administration, of cortisol. Apoprotein synthesis is activated 5 h after a single injection of cortisol and ACTH; a single dose and prolonged administration of cortisol give opposite results. Investigation of the specific radioactivity of apolipoproteins in the blood serum indicates a change in lipoprotein metabolism: disturbance of conversion of very low density into low density lipoproteins. An important role in the pathogenesis of the hyperlipidemia induced by cortisol within the specified period is played not by increased lipoprotein synthesis in the liver, but by a disturbance of their metabolism in the blood.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 42 (1993), S. 1137-1141 
    ISSN: 0006-3592
    Keywords: peroxidase ; laccase ; phenylhydrazide protecting group ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A new method is proposed for the removal of the phenylhydrazide protecting group by the action of peroxidase or laccase, the enzymes attributed to the class of oxidoreductases. The deblocking procedure is performed under mild oxidative conditions, i.e., aqueous solution and neutral or close to neutral pH. Such mild oxidizing agents as 1 mM H2O2 and air oxygen are used for unmasking. The method is available for the deblocking of both α- and γ-carboxyl groups. The enzyme-catalyzed removal of the phenylhydrazide protecting group causes no oxidative modification nor destruction of methionine or tryptophan side chains. © 1993 John Wiley & Sons, Inc.
    Additional Material: 6 Ill.
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 55 (1972), S. 2854-2860 
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The disulfide-bridged hexapeptides 6a and 6b have been prepared from benzyl-protected intermediates. Coupling of 6a and 6b with prolyl-leucyl-glycine amide afforded deamino-oxytocin (7a) and the protected oxytocin derivative 7b, respectively; the latter was converted to oxytocin (7c) by removal of the Boc protecting group.
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 439 (1978), S. 13-28 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Investigations on the System Te/O/BrThe melting point diagram of the system TeBr4—TeO2 was obtained by total pressure measurements and DTA measurements. A Congruent melting composition Te6O11Br2 exists, the melting point is 570°C.The enthalpy of formation and the standard entropy of the species TeOBr2,g was derived from measurements of the total pressure over Te6O11Br2/TeBr4 and from the transport behaviour of the TeO2 with Br2.From the decomposition-pressure measurements over Te6O11Br2/TeO2 follow the partial pressure.The enthalpy of formation ΔH°(Te6O11Br2,f,298) = -453.5 kcal/Mol was obtained from the enthalpy of solution. The transport-behaviour of TeO2 with HBr, with Tebr4 and Br2 and that of Te6O11Br2 is clear with the thermodynamic data of TeObr2.
    Notes: Das Schmelzdiagramm des Systems TeO2—TeBr4 wurde durch Dampfdruckmessungen und DTA ermittelt. Im System existiert eine bei 570°C kongruent schmelzende Verbindung Te6O11Br2Aus Dampfdruckmessungen über Te6O11Br2/TeBr4 und Messung des Gesamtdruckes TeO2,f/Br2,g sowie der Auswertung des Transportverhaltens des TeO2 mit Br2 wurden die Bildungsenthalpie und die Standardentropie der Gasphasenspezies TeOBr2 abgeleitet. Aus den Zersetzungsdruckmessungen über Te6O11Br2/TeO2 folgen die Partialzersetzungsdrucke.Lösungscalorimetrisch wurde die Bildungsenthalpie ΔH0(Te6O11Br2,f,298) = -453,5 kcal/Mol ermittelt.Das Transportverhalten von TeO2 mit HBr, TeBr4 und Br2, sowie das des Te6O11Br2 ist mit den thermodynamischen Daten des TeOBr2 verständlich und beschreibbar.
    Additional Material: 12 Ill.
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  • 6
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Eine Reihe neuer Bis(naphthalincarbonsäureanhydride) wurden durch Umsatz von Acenaphthen mit Dichloranhydriden von Dicarbonsäuren unter den Bedingungen einer Friedel-Crafts-Reaktion mit Chloral bzw. Bromal und nachfolgender Oxidation der Bis(acenaphthyle) und Anhydridisierung der Tetracarbonsäuren synthetisiert. Aus diesen Anhydriden und Bis(o-phenylendiaminen) erhaltene Poly(naphthoylen-benzoimidazole) vereinen gute thermische Eigenschaften mit Löslichkeit in organischen Lösungsmitteln.
    Notes: A series of novel bis(naphthalic anhydrides) has been prepared through acenapthene interaction with the dichloroanhydrides of dicarboxylic acids under the conditions of the Friedel-Crafts reaction or with chloral and bromal followed by oxidation of bis-acenaphthyls and anhydrization of the tetracarboxylic acids synthesized. Poly(naphthoylene benzoimidazoles) combining advantageous thermal properties and solubility in organic solvents have been obtained through interaction between the synthesized anhydrides and bis(o-phenylene diamines).
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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