The investigation of the esterolysis of p-nitrophenol acetate (PNPA) catalyzedby alginate-cobalt(Ⅱ) complex membrane was carried out under various conditions. Theresults showed that the pseudo-first-order plots of the hydrolyses of PNPA catalyzed byalginate-Co(Ⅱ) complex membrane were linear. The kinetic constants were obtained andshowed that the hydrolysis reactions obeyed Michaelis-Menten equations, showing anenzyme-like catalytic function of the membrane.
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