Electrochemical detection of point mutation based on surface hybridization assay conjugated allele-specific polymerase chain reaction.

Abstract excerpt

In this work, we developed an electrochemical detection method based on allele-specific polymerase chain reaction (AS-PCR) and surface hybridization assay technique for the point mutation detection. A high-fidelity Vent(R)™(exo⁻) DNA polymerase, which eliminated the 3'→5' proofreading exonuclease activity by genetical engineering, was used to discriminate and extend the detection probe that perfectly matched with...

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