Fluorescence detection of triplet state kinetics of chlorophyll
โ Scribed by R. Avarmaa
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 340 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0009-2614
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๐ SIMILAR VOLUMES
The triplet lifetimes (T 7) of the title compounds have been measured in a number of solvent hosts by using an indirect triplet state detection through fluorescence fading kinetics at 77 K. Three types of complexes with solvent molecules, i.e. with a mono-(Lt-type) and bisligated (L2-type) central m
Laser evcltation at 4579 and 514.5 nm of a frozen solution of chlorophyll a m n-oc~;mc products two ~IUOWS.C~~CC peak maxima at 2 K lhat may be assigned to IWO dlainct monomenc chlorophyll species Ucd~~rng zero-Geld fluorcsccncrdetected mxgetuz resorunce the triplet state properks of the IWO chlorop
The general pattern of chlorophyll photooxidation is considered. The conclusion is made that the reaction of photooxidation occurs exclusively via the chlorophyll triplet state.
Chlorophyll-b in glassy solution has a spin-polarized lowest triplet state at and above 7? K. Ths magnitude of the .).'\_, .: effect is different for MTHF and ethanol as soIvents, in contrast to what is found for the porphin free base. Chloro-\_-phyla-a does not exhibit spa-polar~ation under identi
The X-band FDMR spectrum of the bacterlal trlplet m reduced Rhodopseudomonas sphaeroldes at 5 K has been obtamed. Pure S-T, mwng 1s sufficient and k, Q k,.k, necessary 10 explam the polarlzanon partern and mtenslty ratios The kmetlc fluorescence response IS slgmoldal due to the second-order bmencs o