QUENCHING OF ENZYME GENERATED TRIPLET ACETONE BY 2-METHYL-1,4-NAPHTOQUINONE |
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| Authors: | Edy Rivas-Suárez Ohára Augusto Giuseppe Cilento |
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| Institution: | Department of Biochemistry, Instituto de Química, Universidade de São Paulo, C.P. 20780, São Paulo, Brazil |
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| Abstract: | Abstract 2-Methyl-1,4-naphtoquinone (vitamin K3) quenches the phosphorescence from enzyme-generated triplet acetone. Concomitantly the vitamin undergoes a photochemical-like alteration as the result of transfer of the electronic energy ( k ET– 1 ± 105 M-1). This transfer appears to be of the long-range type. |
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