DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Jinhyun | ko |
dc.contributor.author | Lee, Sahng Ha | ko |
dc.contributor.author | Tieves, Florian | ko |
dc.contributor.author | Paul, Caroline E. | ko |
dc.contributor.author | Hollmann, Frank | ko |
dc.contributor.author | Park, Chan Beum | ko |
dc.date.accessioned | 2019-08-20T06:20:27Z | - |
dc.date.available | 2019-08-20T06:20:27Z | - |
dc.date.created | 2019-08-19 | - |
dc.date.created | 2019-08-19 | - |
dc.date.issued | 2019-07 | - |
dc.identifier.citation | SCIENCE ADVANCES, v.5, no.7 | - |
dc.identifier.issn | 2375-2548 | - |
dc.identifier.uri | http://hdl.handle.net/10203/264334 | - |
dc.description.abstract | Nicotinamide adenine dinucleotide (NAD(+)) is a key redox compound in all living cells responsible for energy transduction, genomic integrity, life-span extension, and neuromodulation. Here, we report a new function of NAD(+) as a molecular photocatalyst in addition to the biological roles. Our spectroscopic and electrochemical analyses reveal light absorption and electronic properties of two pi-conjugated systems of NAD(+). Furthermore, NAD(+) exhibits a robust photostability under UV-Vis-NIR irradiation. We demonstrate photocatalytic redox reactions driven by NAD(+), such as O-2 reduction, H2O oxidation, and the formation of metallic nanoparticles. Beyond the traditional role of NAD(+) as a cofactor in redox biocatalysis, NAD(+) executes direct photoactivation of oxidoreductases through the reduction of enzyme prosthetic groups. Consequently, the synergetic integration of biocatalysis and photocatalysis using NAD(+) enables solar-to-chemical conversion with the highest-ever-recorded turnover frequency and total turnover number of 1263.4 hour(-1) and 1692.3, respectively, for light-driven biocatalytic trans-hydrogenation. | - |
dc.language | English | - |
dc.publisher | AMER ASSOC ADVANCEMENT SCIENCE | - |
dc.title | Nicotinamide adenine dinucleotide as a photocatalyst | - |
dc.type | Article | - |
dc.identifier.wosid | 000478770400110 | - |
dc.identifier.scopusid | 2-s2.0-85069946816 | - |
dc.type.rims | ART | - |
dc.citation.volume | 5 | - |
dc.citation.issue | 7 | - |
dc.citation.publicationname | SCIENCE ADVANCES | - |
dc.identifier.doi | 10.1126/sciadv.aax0501 | - |
dc.contributor.localauthor | Park, Chan Beum | - |
dc.contributor.nonIdAuthor | Tieves, Florian | - |
dc.contributor.nonIdAuthor | Paul, Caroline E. | - |
dc.contributor.nonIdAuthor | Hollmann, Frank | - |
dc.description.isOpenAccess | Y | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordPlus | WATER OXIDATION | - |
dc.subject.keywordPlus | LIGHT | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | METABOLISM | - |
dc.subject.keywordPlus | MECHANISMS | - |
dc.subject.keywordPlus | NAD(+) | - |
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