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Acetylcholinesterase (AChE) was immobilized on chemically modified poly-(acrylonitrile-methyl-methacrylate-sodium vinylsulfonate) membranes in accordance with three different methods, the first of which involved random enzyme immobilization via glutaraldehyde, the second one—site-specific enzyme immobilization via glutaraldehyde and Concanavalin A (Con A) and the third method—modified site-specific...
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