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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 91 (1980), S. 179-201 
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Maleinimide-groups containing macromolecular supports were prepared. The concentration, temperature, pH, reaction time and urea-concentration dependent reactions with thiols and thiol containing enzymes were studied. Trypsin and α-chymotrypsin, exhibiting no free thiol groups, were polythiolated by means of N-acetyl-D,L-homocysteinethiolacton. The amounts of bound enzyme and the enzymatic activities of the immobilisates were determined.
    Notes: Es wurden hochpolymere Träger mit Maleinimidgruppen dargestellt und deren Bindungsverhalten für Cystein und thiolgruppenhaltige Enzyme in Abhängigkeit von verschiedenen Parametern wie Enzymkonzentration, Temperatur, pH-Wert, Reaktionszeit und Harnstoffkonzentration untersucht. In Trypsin und α-Chymotrypsin, die keine SH-Gruppen aufweisen, wurden Thiolgruppen durch Thiolierung mit N-Acetyl-D,L-homocysteinthiolacton eingeführt. Die am Polymeren gebundene Enzymmenge und die Aktivität der Immobilisate wurden bestimmt.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 121 (1984), S. 27-39 
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Crosslinked copolymers of acrylonitrile or acrylonitrile and acrylic acid were modified by reacting them with N-methylolmaleimide. Thiolated enzymes or enzymes with native SH-groups could be immobilized on these carriers successfully.
    Notes: Vernetzte Copolymere aus Acrylnitril oder aus Acrylnitril und Acrylsäure wurden mit N-Methylolmaleinimid zu maleinimidgruppenhaltigen reaktiven Trägern umgesetzt. Enzyme mit SH-Gruppen oder solche, in die in einer Thiolierungsreaktion SH-Gruppen eingeführt worden waren, konnten an diesen Trägern erfolgreich immobilisiert werden.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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