Folding-based electrochemical DNA sensor fabricated on a gold-plated screen-printed carbon electrode

Weiwei Yang; Jennifer Y. Gerasimov; Rebecca Y. Lai

doi:10.1039/B904550C

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Chemical Communications

Issue 20, 2009

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Folding-based electrochemical DNA sensor fabricated on a gold-plated screen-printed carbon electrode

Weiwei Yang , Jennifer Y. Gerasimov and Rebecca Y. Lai

Chem. Commun., 2009, 2902-2904

DOI: 10.1039/B904550C
Received 05 Mar 2009, Accepted 25 Mar 2009
First published on the web 24 Apr 2009

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Abstract
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Here we report a folding-based electrochemical DNA (E-DNA) sensor fabricated on a gold-plated screen-printed carbon electrode and show that the E-DNA sensor is not required to be fabricated on a relatively flat gold surface; the sensor works comparably well when fabricated on an electrodeposited gold film with a surface roughness factor of [similar] 7.

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Supplementary Info

Experimental procedures, E-DNA sensor construct and device,SEM images of GPEs, and deposition time effects on roughness factorof the GPEs
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Chemical Communications

Folding-based electrochemical DNA sensor fabricated on a gold-plated screen-printed carbon electrode

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