Detection of mismatched duplexes by synchronizing the pulse potential frequency with the dynamics of ferrocene/isoquinoline conjugate-connected DNA probes immobilized onto electrodes.

Abstract excerpt

Cyclic voltammetry was performed at various scan rates for the duplexes from ferrocene/isoquinoline conjugate-connected DNA probes on gold electrodes. The relationship between the observed currents and the scan rates disclosed the enhanced bending elasticity of the mismatched duplexes compared with the fully matched duplexes. The difference of the dynamics was easily detected through the currents from the...

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