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Metal ion sensing using ultrathin organic films prepared by the layer-by-layer adsorption technique.

Pearson, C. and Nagel, J. and Petty, M. C. (2001) 'Metal ion sensing using ultrathin organic films prepared by the layer-by-layer adsorption technique.', Journal of physics D : applied physics., 34 (3). pp. 285-291.

Abstract

Bilayer films of poly(ethyleneimine) and poly(ethylene-co-maleic acid) have been prepared using the layer-by-layer assembly technique. These films have been characterized using surface plasmon resonance (SPR). Exposure to aqueous solutions of metal acetate (metal = copper, nickel) resulted in a shift in the position of the SPR curve. This shift could be monitored by observing the intensity of the reflected laser beam at fixed angle and concentrations of copper acetate down to at least 10-6 M could be detected.

Item Type:Article
Keywords:Multilayer films, Molecular films.
Full text:Full text not available from this repository.
Publisher Web site:http://dx.doi.org/10.1088/0022-3727/34/3/306
Record Created:25 Aug 2006
Last Modified:29 Apr 2009 15:19

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