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Pamela A Feldhoff

Elias Klein

Affinity membranes are prepared by activation of polyamide microporous films. In particular, the films are activated with 1,1'-carbonyldiimidazole, 2-fluoro-1-methylpyridinium.sup.(+) toluene-4-sulfonate.sup.(-), trichlorotriazine, or derivatives thereof, followed by binding of ligand to the activated sites. The polyamide microporous activated films include composite films comprising polyamide covalently bound to a polyhydroxyl compound such as a polysaccharide.

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Louisville, KY, United States of America

Pamela A Feldhoff