Detection of approximately 10(3) copies of DNA by an electrochemical enzyme-amplified sandwich assay with ambient O(2) as the substrate.
Zhang Y, Pothukuchy A, Shin W, Kim Y, Heller A.
Zhang Y, et al. Among authors: heller a.
Anal Chem. 2004 Jul 15;76(14):4093-7. doi: 10.1021/ac0495034.
Anal Chem. 2004.
PMID: 15253647
Femtomolar (10(-)(15) M) concentrations of DNA were detected at a 10-microm-diameter tip of a carbon fiber electrode. Correspondingly, a few thousand copies of DNA were detected in approximately 5-microL samples. The sandwich is formed in an electron-conducti …
Femtomolar (10(-)(15) M) concentrations of DNA were detected at a 10-microm-diameter tip of a carbon fiber electrode. Correspo …