Matches in SemOpenAlex for { <https://semopenalex.org/work/W2047490144> ?p ?o ?g. }
- W2047490144 abstract "—The pulsed ruby laser (347 nm) flash photolysis technique has been used to measure the triplet-triplet absorption spectra and triplet lifetimes of trans -retinal, N-frans-retinylidene-n -butylamine (NRBA), and protonated NRBA (NRBAH+) at room temperature. In methylcyclohexane solution, the triplet lifetimes are in the range 10–20 μs and decrease in the order NRBAH+ > NRBA > trans -retinal. Intersy stem-crossing efficiencies (φISC) were determined by a comparison technique using anthracene and 1,2-benzanthracene as reference compounds. For trans -retinal, φISC is 0–50 pM 0–05 in methylcyclohexane and 0–08 in methanol, which confirms that earlier values of 0–11 and 0–017 in these solvents are in error. For NRBA and NRBAH+ in methylcyclohexane, ΦISC values are 0008 and < 0–001, respectively. Evidence is presented for a significant solvent effect in the isomerization of retinal via the triplet state, and that cisφtrans isomerization occurs from the triplet state of NRBAH+. The relation between the intersystem-crossing properties of model compounds and the photochemistry of rhodopsin is discussed." @default.
- W2047490144 created "2016-06-24" @default.
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- W2047490144 creator A5036188982 @default.
- W2047490144 date "1974-11-01" @default.
- W2047490144 modified "2023-09-24" @default.
- W2047490144 title "LASER PHOTOLYSIS OF RETINAL AND ITS PROTONATED AND UNPROTONATED n-BUTYLAMINE SCHIFF BASE" @default.
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- W2047490144 doi "https://doi.org/10.1111/j.1751-1097.1974.tb06597.x" @default.
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