Chemical modification of E. coliL-aspara
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Guoqiang Qian; Jianbiao Ma; Juyan Zhou; Binglin He; Daobin Wang
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Article
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1997
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John Wiley and Sons
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English
β 304 KB
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A series of polyethylene glycol grafted vinylpyrrolidonemaleic anhydride copolymers [P(VMP)] was synthesized by radical copolymerization of vinylpyrrolidone, maleic anhydride and polyethylene glycol maleic acid monoester. Escherichia coli L-asparaginase was chemically modified with these copolymers.