Title : Signal amplification for thrombin impedimetric aptasensor: sandwich protocol and use of gold-streptavidin nanoparticles.

Pub. Date : 2014 Apr 15

PMID : 24296061






1 Functional Relationships(s)
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1 The biotinylated aptamer of thrombin was immobilized onto an avidin-graphite epoxy composite (AvGEC) electrode surface by affinity interaction between biotin and avidin; electrochemical impedance measurements were performed in a solution containing the redox marker ferrocyanide/ferricyanide. Graphite coagulation factor II, thrombin Homo sapiens