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Article: Electron transfer between azurin and metalloporphyrins

TitleElectron transfer between azurin and metalloporphyrins
Authors
Issue Date1987
Citation
Journal Of Physical Chemistry, 1987, v. 91 n. 13, p. 3690-3693 How to Cite?
AbstractThe electron-transfer reactions between azurin and the triplet as well as the radicals of several water-soluble metalloporphyrins (ZnTPPS, ZnTPPC, and ZnTMPyP where TPPS is tetrakis(sulfonatophenyl)porphyrin, TPPC is tetrakis(carboxyphenyl)porphyrin, and TMPyP is tetrakis(N-methylpyridyl)porphyrin) have been studied by two different photoexcitation schemes. The second-order rate constant varies from 1.7 × 108 to 5.5 × 108 M-1 s-1 (μ = 0.5 M, pH 7, 25°C) within the wide range of driving force (0.49-1.47 eV) covered in the experiment. A reorganization energy λ12 of about 1.1 eV and a maximum bimolecular electron-transfer rate kmax of 3.8 × 109 M-1 s-1 were obtained by analyzing the data according to the theory of Marcus. © 1987 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/167300
ISSN
1998 Impact Factor: 4.173
1999 SCImago Journal Rankings: 1.721
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorCho, KCen_US
dc.contributor.authorChe, CMen_US
dc.contributor.authorNg, KMen_US
dc.contributor.authorChoy, CLen_US
dc.date.accessioned2012-10-08T03:05:25Z-
dc.date.available2012-10-08T03:05:25Z-
dc.date.issued1987en_US
dc.identifier.citationJournal Of Physical Chemistry, 1987, v. 91 n. 13, p. 3690-3693en_US
dc.identifier.issn0022-3654en_US
dc.identifier.urihttp://hdl.handle.net/10722/167300-
dc.description.abstractThe electron-transfer reactions between azurin and the triplet as well as the radicals of several water-soluble metalloporphyrins (ZnTPPS, ZnTPPC, and ZnTMPyP where TPPS is tetrakis(sulfonatophenyl)porphyrin, TPPC is tetrakis(carboxyphenyl)porphyrin, and TMPyP is tetrakis(N-methylpyridyl)porphyrin) have been studied by two different photoexcitation schemes. The second-order rate constant varies from 1.7 × 108 to 5.5 × 108 M-1 s-1 (μ = 0.5 M, pH 7, 25°C) within the wide range of driving force (0.49-1.47 eV) covered in the experiment. A reorganization energy λ12 of about 1.1 eV and a maximum bimolecular electron-transfer rate kmax of 3.8 × 109 M-1 s-1 were obtained by analyzing the data according to the theory of Marcus. © 1987 American Chemical Society.en_US
dc.languageengen_US
dc.relation.ispartofJournal of Physical Chemistryen_US
dc.titleElectron transfer between azurin and metalloporphyrinsen_US
dc.typeArticleen_US
dc.identifier.emailChe, CM:cmche@hku.hken_US
dc.identifier.authorityChe, CM=rp00670en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1021/j100297a046-
dc.identifier.scopuseid_2-s2.0-0000786213en_US
dc.identifier.volume91en_US
dc.identifier.issue13en_US
dc.identifier.spage3690en_US
dc.identifier.epage3693en_US
dc.identifier.isiWOS:A1987H926200046-
dc.identifier.scopusauthoridCho, KC=15129672200en_US
dc.identifier.scopusauthoridChe, CM=7102442791en_US
dc.identifier.scopusauthoridNg, KM=7403178872en_US
dc.identifier.scopusauthoridChoy, CL=24287958600en_US

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