PHOTOREDUCTION OF NAD TO NADH IN SEMICONDUCTOR DISPERSIONS |
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| Authors: | Pierre Cuendet Michael GrÄTZEL |
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| Institution: | Institut de Chimie Physique, Ecole Polytechnique Fédérale, CH-1015 Lausanne, Switzerland |
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| Abstract: | Abstract— Band gap illumination of TiO2 (anatase) dispersions in weakly alkaline solutions of nicotinamide-adenine-dinucleotide (NAD+) leads in the presence of rhodium trisbipyridyl complex Rh(bipy)3+3], to continuous generation of biologically active cofactor NADH. Effects of pH, NAD+ and Rh(bipy)3+3 concentration on the efficiency of this photoconversion process are investigated. The reaction proceeds already in aqueous solution in the absence of external electron donors but it is enhanced significantly in the presence of 10% methanol. |
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