WO8203729-A  Anal. Chem., Vol 50, pp 1315-18, published 1978 (Tse D.C-S., Kuwana T), "Electrocatalysis of Dihyaronicotinamide Adenosine Diphosphate with Quinones and Modified Quinone Electrodes".;  Angew. Chem., Vol 93, pp 421-2, published 1981 (Huck H, Schmidt H-L), "Chloranil als Katalysator zur elektrochemischen Oxidation von NADH zu NAD+".;  Chemical Abstracts, Vol 93 (1980), abstract No 103772c, Z Phys. Chem. (Wiesbaden) 1980, Vol 120(1), 39-49;  Chemical Abstracts, Vol 94 (1981), abstract No 164733n,Ber. Bunsenges. Phys. Chem. 1981, Vol 85 (3), 221-7;  J. Electroanal Chem., Vol 113, pp 151-8, published 1980 (Gorton L, Johansson G), "Cyclic voltammetry of fad adsorbed on graphite, glassy carbon, platinum and gold electrodes".;  See also references of EP 0076266A1EP76266-A  See references of WO 8203729A1;  Anal. Chem., vol. 52, pp. 1691-97, 1980; W.J.BLAEDEL et al.: "Reagentless enzyme electrodes for ethanol, lactate and malate";  J. of Anal. Chem., USSR, vol. 34, pp. 677-82, 1979; Y.Y.KULIS et al.: "Flow-type enzyme electrode based on dehydrogenase with regeneration of the cofactor (nicotinamide-adenine dinucleotide)";  Chemical Abstracts, vol. 91 (1979), abstract No. 15837f, Dokl. Akad. Nauk SSSR 1979, 245 (1), 137-40;  Chemical Abstracts, vol. 93, (1980), abstract-No. 128297q, Anal. Chim. Acta 1980, vol. 117, 115-20;  Chemical Abstracts, vol. 93 (1980), abstract no. 3074h, Jpn. Kokai Tokkyo Koho 80 13,072;  Chemical Abstracts, vol. 93 (1980), abstract No. 103772c, Z Phys. Chem. (Wiesbaden) 1980, vol. 120 (1), 39-49;  Chemical Abstracts, vol. 94 (1981), no. 164733a, Ber. Bunsenges.;  See also references of WO 8203729A1US4490464-A  Anal. Chem., vol. 50, pp. 1315-1318, published 1978, (Tse D.C-S., Kuwana T), "Electrocatalysis of Dihydronicotinamide . . . Quinone Electrodes".;  Anal. Chem., vol. 52, pp. 1691-1697, published 1980 (Blaedel W. J., Engstrom R. C.), "Reagentless Enzyme Electrodes for Ethanol, Lactate, and Malate".;  Angew. Chem., vol. 93, pp. 421-422, published 1981, (Huck H. Schmidt H-L), "Chloranil als Katalysator zur elektrochemischen Oxidation von HADH zu Nad+".;  Chemical Abstracts, vol. 91 (1979), Abstract No. 15837f, Dokl Akad, Nauk SSSR 1979, 245 (1), 137-140.;  Chemical Abstracts, vol. 93 (1980), Abstract No. 128297q, Anal. Chem. Acta 1980, vol. 117, 115-120.;  Chemical Abstracts, vol. 93 (1980), Abstract No. 3074h, Jpn. Kokai Tokkyo Koho 80 13,072.;  Chemical Abstracts, vol. 93, (1980), Abstract No. 103772c, Z Phys., Chem. (Wiesbaden), 1980, vol. 120 (1), 39-49.;  Chemical Abstracts, vol. 94 (1981), Abstract No. 164733n, Ber. Bunsenges. Phys. Chem., 1981, vol. 85 (3), 221-227.;  Doy et al., "Electrochemically Driven Biochemical Reactions", New York Academy of Science, Transactions vol. 34, 1972, (pp. 588-647).;  J. Electroanal Chem., vol. 113, pp. 151-158, published 1980 (Gorton L. Johansson G), "Cyclic voltammetry of fad adsorbed . . . and gold electrodes".;  J. of Anal. Chem. USSR, vol. 34, pp. 677-682, published 1979 (Kulis Y.Y., Malinauskas A. A.), "Flow-Type Enzyme Electrode Based on . . . Nicotinamide-Adenine Dinucleotide).