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Darren0423

新虫 (初入文坛)

[求助] 如何配制细胞器分离缓冲液?50mmol/LTris-HCl(pH为8.0),5mmol/LEDTA(pH为8.0)? 已有1人参与

最近要做提取拟南芥叶绿体,请问这个缓冲液该怎么配制?
细胞器分离缓冲液:300mmol/L山梨醇,50mmol/LTris-HCl(pH为8.0),5mmol/LEDTA(pH为8.0),0.1%B-巯基乙醇(临用前加入)。
我是先算出山梨醇、EDTA 和 Tris 的质量,称量好
然后放在一起加水溶解,最后用HCl调PH?
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baronwhy

木虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
可以先配置好母液,比如1M Tris-HCl(pH 8.0),0.5M EDTA(pH 8.0)。
比如配置1L时,可以先称量好所需的山梨醇,然后加入20mL 1M Tris-HCl(pH 8.0),10mL 0.5M EDTA(pH 8.0),加水定容至1L,临用前再加入0.1%B-巯基乙醇。
2楼2014-06-06 13:47:40
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