The Structure of Adenine Adsorbed at Sub-Saturation Coverage at Au(110)/Electrolyte Interfaces

A. Bowfield; C. I. Smith; G. J. Dolan; M. C. Cuquerella; C. P. Mansley; P. Weightman

doi:10.1380/ejssnt.2009.225

Conference -ICSFS-14-

The Structure of Adenine Adsorbed at Sub-Saturation Coverage at Au(110)/Electrolyte Interfaces

A. Bowfield, C. I. Smith, G. J. Dolan, M. C. Cuquerella, C. P. Mansley, P. Weightman

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Keywords: Reflection spectroscopy, Adsorption kinetics, Gold, Biological molecules - nucleic acids, Low index single crystal surfaces, Metal-electrolyte interfaces

JOURNAL FREE ACCESS

2009 Volume 7 Pages 225-229

DOI https://doi.org/10.1380/ejssnt.2009.225

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Abstract

It is demonstrated using Reflection anisotropy spectroscopy (RAS) that at sub-saturation coverage adenine adsorbs on the Au(110)/electrolyte interface in a base-stacking configuration with the plane of the bases orientated vertically on the surface and with the long axis of the molecules parallel to the [1-10] direction. This orientation is the same as that determined for saturation coverage. We also show that RAS can be used to determine the adenine coverage of the Au(110) surface. [DOI: 10.1380/ejssnt.2009.225]

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