Fluorescein diacetate(FDA) 二乙酸荧光素
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Q:二乙酸荧光素FDA是否可以对细菌样本和酵母菌进行检测?
A:可以用于细菌及酵母菌的活性检测,参考文献:PMID:15362884(酵母)PMID:15362884(细菌)。对于细菌样本染色步骤参考:
1. 配置10 mM FDA储存液:4.16mg FDA完全溶解于1ml DMSO。
2. 将FDA储存液:细菌培养液(或PBS)按照1:800进行稀释。
注:细菌培养液,此处可适用新鲜细菌培养液或者是过夜培养待测细菌的培养液。另PBS缓冲液也可以。
3. 使用PBS将细菌稀释为105-107个菌体/ml,取1ml菌体稀释液使用0.45 um过滤器进行过滤保留菌体。
4. 最后加入1ml FDA工作液于室温孵育5-10min后进行检测。
已发表文献
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