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240729s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c01444
|2 doi
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|a pubmed24n1494.xml
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|a eng
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| 100 |
1 |
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|a Su, ZhangFei
|e verfasserin
|4 aut
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| 245 |
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|a Electrocatalysis of CO2 Reduction by Immobilized Formate Dehydrogenase without a Metal Redox Center
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 06.08.2024
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|a Date Revised 06.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Nicotinamide adenine dinucleotide-dependent formate dehydrogenase from Candida boidinii was immobilized in a 1,2-dimyristoyl-sn-glycero-3-phosphocholine/cholesterol floating lipid bilayer on the gold surface as a biocatalyst for electrochemical CO2 reduction. We report that, in contrast to common belief, the enzyme can catalyze the electrochemical reduction of CO2 to formate without the cofactor protonated nicotinamide adenine dinucleotide. The electrochemical data indicate that the enzyme-catalyzed reduction of CO2 is diffusion-controlled and is a reversible reaction. The orientation and conformation of the enzyme were investigated by surface-enhanced infrared reflection absorption spectroscopy. The α-helix of the enzyme adopts an orientation nearly parallel to the surface, bringing its active center close to the gold surface. This orientation allows direct electron transfer between CO2 and the gold electrode. The results in this paper provide a new method for the development of enzymatic electrocatalysts for CO2 reduction
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|a Journal Article
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|a Formate Dehydrogenases
|2 NLM
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|a EC 1.17.1.9
|2 NLM
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|a Carbon Dioxide
|2 NLM
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|a 142M471B3J
|2 NLM
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|a Enzymes, Immobilized
|2 NLM
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|a Gold
|2 NLM
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|a 7440-57-5
|2 NLM
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|a Lipid Bilayers
|2 NLM
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1 |
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|a Elmahdy, Reem
|e verfasserin
|4 aut
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|a Biernat, Jan F
|e verfasserin
|4 aut
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|a Chen, Aicheng
|e verfasserin
|4 aut
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| 700 |
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|a Lipkowski, Jacek
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 31 vom: 06. Aug., Seite 16249-16257
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:40
|g year:2024
|g number:31
|g day:06
|g month:08
|g pages:16249-16257
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|u http://dx.doi.org/10.1021/acs.langmuir.4c01444
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