BSA牛血清白蛋白在PCR中的作用是什么?它的作用机理是什么?如题

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BSA牛血清白蛋白在PCR中的作用是什么?它的作用机理是什么?
如题

BSA will coat the tube walls,preventing the template from being absorbed.This will reduce the frequency of primer dimers that occurs when the template concentration is low.BSA is also used to reduce the inhibition caused by humic acid contaminants.