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The stability of acid phosphatase immobilized on composite beads was studied. The beads were prepared from equal weights of cuttlebone chitosan and activated clay and were cross-linked with glutaraldehyde. The immobilized enzyme maintained 90% of its original activity after 50 times of reuse. The immobilized acid phosphatase revealed acceptable thermal and pH stabilities over a broad experimental...
Phenol degradation by Pseudomonas putida CCRC14365 and cell growth kinetics were compared between the free and Ca-alginate gel-immobilized systems. Trends of the effects of pH and temperature on phenol degradation were similar for both free and immobilized cells. Due to the substrate inhibition effect, free cells could degrade phenol only up to about 600 mg/l. While immobilized cells could tolerate...
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