Abstract

Escherichia coli cells were efficiently immobilized in reticulated polyvinyl formal resin biomass support particles (BSPs) that had been simply autoclaved with a solution of a cationic polymer such as polyethyleneimine. When the immobilized E. coli cells containing aspartase were used as whole cell biocatalyst for l-aspartic acid production, they showed specific aspartase activity comparable to that of non-immobilized cells.

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