Sökning: onr:"swepub:oai:DiVA.org:kth-21764" > Photo-induced oxida...
Fältnamn | Indikatorer | Metadata |
---|---|---|
000 | 06014naa a2200757 4500 | |
001 | oai:DiVA.org:kth-21764 | |
003 | SwePub | |
008 | 100810s2002 | |||||||||||000 ||eng| | |
009 | oai:lup.lub.lu.se:7547892c-d9d8-4d48-9b52-9170a17ccde4 | |
009 | oai:DiVA.org:uu-271364 | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-217642 URI |
024 | 7 | a https://doi.org/10.1016/S0162-0134(02)00394-X2 DOI |
024 | 7 | a https://lup.lub.lu.se/record/1093672 URI |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-2713642 URI |
040 | a (SwePub)kthd (SwePub)lud (SwePub)uu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Huang, Pingu Uppsala universitet,Lund University,Lunds universitet,Biokemi och Strukturbiologi,Centrum för Molekylär Proteinvetenskap,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biochemistry and Structural Biology,Center for Molecular Protein Science,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Molekylär biomimetik4 aut0 (Swepub:lu)biok-phu |
245 | 1 0 | a Photo-induced oxidation of a dinuclear Mn-2(II,II) complex to the Mn-2(III,IV) state by inter- and intramolecular electron transfer to Ru-III tris-bipyridine |
264 | 1 | c 2002 |
338 | a print2 rdacarrier | |
500 | a QC 20100525 | |
520 | a To model the structural and functional parts of the water oxidizing complex in Photosystem 11, a dimeric manganese(II,11) complex (1) was linked to a ruthenium(II)tris-bipyridine (Ru-II(bpy)3) complex via a substituted L-tyrosine, to form the trinuclear complex 2 [J. Inorg. Biochem. 78 (2000) 15]. Flash photolysis of 1 and Ru-II(bpy), in aqueous solution, in the presence of an electron acceptor, resulted in the stepwise extraction of three electrons by Ru-III(bpy), from the Mn-2(II,II) dimer, which then attained the Mn-2(III,IV) oxidation state. In a similar experiment with compound 2, the dinuclear Mn complex reduced the photo-oxidized Ru moiety via intramolecular electron transfer on each photochemical event. From EPR it was seen that 2 also reached the Mn-2(III,IV) state. Our data indicate that oxidation from the Mn-2(II,II) state proceeds stepwise via intermediate formation of Mn-2(II,III) and Mn-2(III,III). In the presence of water, cyclic voltammetry showed an additional anodic peak beyond Mn-2(II,III/III,III) oxidation which was significantly lower than in neat acetonitrile. Assuming that this peak is due to oxidation to Mn-2(III,IV), this suggests that water is essential for the formation of the Mn-2(III,IV) oxidation state. Compound 2 is a structural mimic of the water oxidizing complex, in that it links a Mn complex via a tyrosine to a highly oxidizing photosensitizer. Complex 2 also mimics mechanistic aspects of Photosystem 11, in that the electron transfer to the photosensitizer is fast and results in several electron extractions from the Mn moiety. | |
650 | 7 | a NATURVETENSKAPx Biologix Biokemi och molekylärbiologi0 (SwePub)106022 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Biochemistry and Molecular Biology0 (SwePub)106022 hsv//eng |
650 | 7 | a NATURVETENSKAPx Kemi0 (SwePub)1042 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Chemical Sciences0 (SwePub)1042 hsv//eng |
653 | a manganese | |
653 | a EPR spectroscopy | |
653 | a electrochemistry | |
653 | a artificial photosynthesis | |
653 | a bioinorganic chemistry | |
653 | a valence mniimniii complexes | |
653 | a photosystem-ii | |
653 | a manganese complexes | |
653 | a different solvents | |
653 | a water oxidation | |
653 | a catalase | |
653 | a tyrosine | |
653 | a models | |
653 | a epr | |
653 | a ruthenium | |
653 | a Bioinorganic chemistry | |
653 | a Artificial photosynthesis | |
653 | a Electrochemistry | |
653 | a Manganese | |
653 | a EPR spectroscopy | |
700 | 1 | a Magnuson, Annu Uppsala universitet,Lund University,Lunds universitet,Biokemi och Strukturbiologi,Centrum för Molekylär Proteinvetenskap,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biochemistry and Structural Biology,Center for Molecular Protein Science,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Molekylär biomimetik4 aut0 (Swepub:uu)anmag178 |
700 | 1 | a Lomoth, R.u Uppsala universitet,Fysikalisk kemi4 aut |
700 | 1 | a Abrahamsson, M.4 aut |
700 | 1 | a Tamm, M.4 aut |
700 | 1 | a Sun, Licheng4 aut |
700 | 1 | a van Rotterdam, B.4 aut |
700 | 1 | a Park, Jonathanu Lund University,Lunds universitet,Biokemi och Strukturbiologi,Centrum för Molekylär Proteinvetenskap,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biochemistry and Structural Biology,Center for Molecular Protein Science,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)biok-jpa |
700 | 1 | a Hammarstrom, L.u Uppsala universitet,Fysikalisk kemi4 aut |
700 | 1 | a Akermark, B.4 aut |
700 | 1 | a Styring, Stenbjörnu Uppsala universitet,Lund University,Lunds universitet,Biokemi och Strukturbiologi,Centrum för Molekylär Proteinvetenskap,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biochemistry and Structural Biology,Center for Molecular Protein Science,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Molekylär biomimetik4 aut0 (Swepub:uu)ststy735 |
710 | 2 | a Biokemi och Strukturbiologib Centrum för Molekylär Proteinvetenskap4 org |
773 | 0 | t Journal of Inorganic Biochemistryg 91:1, s. 159-172q 91:1<159-172x 0162-0134x 1873-3344 |
856 | 4 | u http://dx.doi.org/10.1016/S0162-0134(02)00394-Xy FULLTEXT |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-21764 |
856 | 4 8 | u https://doi.org/10.1016/S0162-0134(02)00394-X |
856 | 4 8 | u https://lup.lub.lu.se/record/109367 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-271364 |
Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.
Kopiera och spara länken för att återkomma till aktuell vy