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Abstract:
采用Plackett-Burman试验设计法及响应面分析法(RSM),对固定化Bacillus sp.ULi-11菌株生物不对称合成(R)-α-羟基苯乙酸((R)-HPA)进行优化.首先采用Plackett-Burman试验设计筛选影响产率的主要因素,再用最陡爬坡方法逼近最大响应区域后用Box-Behnken试验设计及RSM进行回归分析,得到的最佳条件为温度33℃,增殖时间9.3h,装液量18 mL,转速180 r/min,pH 7.2,接种量2%,种龄16 h,在此条件下(R)-HPA的产率为49.61%,比优化前的产率提高了23.7%.图3表6参16
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应用与环境生物学报
ISSN: 1006-687X
CN: 51-1482/Q
Year: 2012
Issue: 04
Volume: 18
Page: 667-671
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 8
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