What steps should be taken in a molecular lab environment to help ensure that DNA samples/stocks are not contaminated, or contaminate other objects in the lab?
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VTC because this question is identical to the later one, and the later one is better asked and has better answers. – March Ho Jun 08 '15 at 04:41
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Mostly segregation of PCR-amplified DNA from non-amplified DNA. Typically no DNA or sample should ever enter a specific room designed to prepare the MasterMix for PCR (this is true for diagnostic labs, in the research one I never saw that). For the rest, following good laboratory practices (google that) should be enough.
cagliari2005
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