The Role of Surface Charging during the Coadsorption of Mercaptohexanol to DNA Layers on Gold:  Direct Observation of Desorption and Layer Reorientation

Arinaga, Kenji; Rant, Ulrich; Tornow, Marc; Fujita, S.; Abstreiter, G.; Yokoyama, Noriko

doi:10.1021/la060324m

Public

The Role of Surface Charging during the Coadsorption of Mercaptohexanol to DNA Layers on Gold: Direct Observation of Desorption and Layer Reorientation

Published in Langmuir • May 27, 2006

Authors:

Kenji Arinaga

Ulrich Rant

Marc Tornow

Abstract

We study the coadsorption of mercaptohexanol onto preimmobilized oligonucleotide layers on gold. Monitoring the position of the DNA relative to the surface by optical means directly shows the mercaptohexanol-induced desorption of DNA and the reorientation of surface-tethered strands in situ and in r...

Subject

Desorption

Electrode

Layer (electronics)

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