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ESR in zero field of the photoinduced triplet state in isolated reaction centers of rhodopseudomonas sphaeroides R-26 detected by the singlet ground-state absorbance

✍ Scribed by H.J. Den Blanken; G.P. Van Der Zwet; A.J. Hoff

Publisher: Elsevier Science
Year: 1982
Tongue: English
Weight: 294 KB
Volume: 85
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(82)80305-9

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✦ Synopsis

We have mcasurcd zero-field resonllncc trxtsmons of the tnpl2t state oi Ihc pnmary donor momronng the trxtsnu~t~ncc at 890 nm at 1.2 K m Isol~red rcxuon centers of Rl~odopscudomonas sphaeroldcs R-26. The transitions correspond to 3 dectease III tmnsrn~truvze. coniirmmg the cncrgy transfer model for the trxts~~~ons detected WI the antenna tluorcsccncc tn

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Absorbance-detected electron spin echo spectroscopy of non-radiative triplet states in zero field: An application to the primary donor of the photosynthetic bacterium rhodobacter sphaeroides R-26

✍ E.J. Lous; A.J. Hoff 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 631 KB

Electron spin echoes of triplet states in zero field were optically detected using the singlet ground-state absorbance. The technique has been applied to reaction centers of the photosynthetic bacterium Rhodobacter sphaeroides R-26. The spin-spin relazation time T, of the triplet state of the primar