Ellipsometry of DNA adsorbed at mercury electrodes. A preliminary study.

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Humphreys, M. W and Parsons, R., 1977. Ellipsometry of DNA adsorbed at mercury electrodes. A preliminary study. Journal of Electroanalytical Chemistry, 75 (1), pp. 427-436.

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Official URL: http://dx.doi.org/10.1016/S0022-0728(77)80100-9

DOI: 10.1016/S0022-0728(77)80100-9

Abstract

The adsorption of DNA at a mercury electrode can be detected ellipsometrically. Native DNA is probably more weakly absorbed at positive charges than at negative charges. Denatured DNA is more strongly adsorbed in the reduced form than in the protonated form and is desorbed at large negative charges. Adsorption of both forms is characterized by small negative values of δΔ/δ. It is suggested that these results should be interpreted in terms of an anisotropic film.

Item Type:Article
ISSN:00220728
Subjects:Science > Biology and Botany
Science > Chemistry
Group:Professional Services
ID Code:11227
Deposited By:Ms Emma Crowley
Deposited On:07 Sep 2009 18:00
Last Modified:07 Mar 2013 15:13
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