发现固定化细胞的青霉素酰化酶比天然细胞的更稳定。
It was found that penicillin acylase activity of the immobilized cells was more stable than that of the intact cells.
结论6 APA生产中使用新的固定化青霉素酰化酶反应器将提高6 APA的收率，减少固定化青霉素酰化酶的损耗。
Conclusions the usage of the new immobilized penicillin acylase reactor in the 6-apa production will result in a higher yield of 6-apa and lower loss of immobilized penicillin acylase.
综述了青霉素乙酰化固定化酶和头孢氨苄酶法缩合工艺的研究进展；
The advances in immobilized acetylase of penicillin and process of enzymatic condensation in cephalexin synthesis were reviewed.
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