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抗耐药菌β-内酰胺酶抑制剂筛选方法的优化 被引量:2

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摘要 本研究以适用广泛的分光光度法为切入点,以他唑巴坦作为阳性对照,通过检测反应体系吸光度的变化,优化反应条件,对200种内生真菌发酵液进行了初步筛选。确定筛选平台最佳方案为:最大吸收波长为571nm,青霉素V钾浓度为0.02mg/mL,酶浓度为70U/mL,他唑巴坦浓度为0.03mg/mL。筛选出2个对β-内酰胺酶具有高抑制活性的优良菌株。
出处 《中国食品工业》 2019年第4期70-72,共3页 China Food Industry
基金 甘肃省自然科学基金(17JR5RA128,1107RJZA225).
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