水饱和酚和tris饱和酚的区别
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2、Tris饱和酚一般PH大于7.8,用于DNA的提取。
3、Tris饱和酚:1、冰箱取出重蒸酚,室温放置---68度水浴溶化,切勿立即放入68度的水浴中,以防玻璃炸裂
2、加8-羟基喹啉至0.1%和β-巯基乙醇至0.2%,(原液14. 4MOL/ML),混匀,溶液呈现黄色,倒入分液漏斗中(也可在烧杯中进行)
3、加入等溶剂的1MOL/ML的Tris(PH8.0),反复混匀后,静至分层;放出下层黄色酚液,弃上层
4、加固体Tris约1g/100ml酚,摇匀,去水相
5、加0.1MOL/MLTris(PH8.0)平衡数次,至PH为8.0
6、加0.1MOL/MLTris(PH8.0)于棕色瓶中4度保存
7、如黄色消失或呈粉红色,则不能使用


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