Journal
JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC
Volume 27, Issue 2-3, Pages 121-125Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molcatb.2003.11.003
Keywords
photochemical formic acid synthesis; zinc porphyrin; formate dehydrogenase; enzymatic synthesis
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Photochemical synthesis of formic acid was investigated from hydrogen carbonate ion with formate dehydrogenase (FDH) from Saccharomyces cerevisiae and methylviologen (MV2+) photoreduction by the visible light photosensitisation of zinc tetrakis(4-methylpyridyl) porphyrin (ZnTMPyP) in the presence of triethanolamine (TEOA) as an electron donating reagent. Irradiation of a solution containing TEOA, ZnTMPyP, MV2+, sodium hydrogen carbonate and FDH with visible light resulted in formic acid synthesis. The concentration of formic acid was 62 muM after 3 h irradiation under the condition of 30 muM MV2+, 20 units FDH and pH 8. (C) 2003 Elsevier B.V. All rights reserved.
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