Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 180, Issue -, Pages 403-407Publisher
ELSEVIER
DOI: 10.1016/j.apcatb.2015.06.051
Keywords
Photochemical ethanol synthesis; Zinc chlorin; Aldehyde dehydrogenase; Alcohol dehydrogenase; Photoredox system
Funding
- Grants-in-Aid for Scientific Research [24107005] Funding Source: KAKEN
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Photochemical synthesis of ethanol from acetate was investigated with the system aldehyde (AldDH) and alcohol (ADH) dehydrogenases from Yeast, and methylviologen (MV2+)photoreduction by the visible light photosensitization of chlorophyll derivative, chlorin-e(6) of zinc complex (ZnChl-e(6)) in the presence of NADPH as an electron donating reagent. Irradiation of a solution containing NADPH, ZnChl-e(6), MV2+, AldDH, ADH and sodium acetate with visible light resulted in ethanol synthesis. The concentration of ethanol produced was 1.4 mM after 150 min irradiation under the condition of NADPH (3.3 mM), ZnChl-e(6) (100 LM), MV2+ (12 mM), AldDH (0.22 mu M), ADH (6.7 nM) and sodium acetate (30mM) in 50 mM of sodium pyrophosphate buffer pH 7.4). (C) 2015 Elsevier B.V. All rights reserved.
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