Integration of electrochemical generator and detector of nitric oxide with the aid of the iron porphyrin |
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Authors: | Yuwu Chi Jingyuan Chen Masaki Miyake |
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Institution: | Department of Applied Physics, University of Fukui, 3-9-1 Bunkyo, Fukui-shi, Fukui 910-8507, Japan |
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Abstract: | An electrochemical cell of generating nitric oxide (NO) was constructed in order to realize the catalytic reaction of nitrite by iron porphyrin Y. Chi, J. Chen, K. Aoki, Inorg. Chem. 43 (2004) 8437]. The cell was composed of the generator of the iron porphyrin-including Nafion®-coated electrode, the ion-exchange membrane, and the electrochemical detector of NO. The reduction of iron porphyrin in the presence of nitrite at the generator coordinates nitrite to form the NO-included complex, of which oxidation releases NO. The water-dissolved NO diffused to the detector through the membrane to block nitrite. It was detected by voltammetry with the aid of the oxidative catalytic reaction of iron porphyrin. |
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Keywords: | Electrochemical generator cell Amperometric detection Nitric oxide Nitrite Iron porphyrin Catalytic reaction |
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