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If you use this method, you are monitoring the formation of PCR product as it's forming (in real time).

Usually, people use this method to very accurately determine how much of a particular DNA sequence is present in a complex mixture of DNA sequences. Generally, they make up a PCR mixture and spike in a fluorescently-labeled nucleotide. When this nucleotide is used in DNA polymers, the fluorescence of the PCR mixture increases. So as the real-time PCR proceeds, the fluorescence intensity will increase. The faster the increase, the more template DNA was present in the reaction initially.

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15y ago

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