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Titolo:
TIME-RESOLVED FLUORESCENCE OF A HEMICYANINE DYE - DYNAMICS OF ROTAMERISM AND RESOLVATION
Autore:
ROKER C; HEILEMANN A; FROMHERZ P;
Indirizzi:
UNIV ULM,DEPT BIOPHYS D-89069 ULM GERMANY UNIV ULM,DEPT BIOPHYS D-89069 ULM GERMANY MAX PLANCK INST BIOCHEM,DEPT MEMBRANE & NEUROPHYS D-82152 MARTINSRIEDMUNCH GERMANY
Titolo Testata:
Journal of physical chemistry
fascicolo: 30, volume: 100, anno: 1996,
pagine: 12172 - 12177
SICI:
0022-3654(1996)100:30<12172:TFOAHD>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
CHARGE-SHIFT PROBES; SOLVATION DYNAMICS; MEMBRANE; PHOTOISOMERIZATION; COUMARIN-153;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
C. Roker et al., "TIME-RESOLVED FLUORESCENCE OF A HEMICYANINE DYE - DYNAMICS OF ROTAMERISM AND RESOLVATION", Journal of physical chemistry, 100(30), 1996, pp. 12172-12177

Abstract

We observed the time-resolved fluorescence spectra of a hemicyanine dye with no CC double bond and one CC single bond and of a homologous dye with blocked rotamerism of the CC single bond. Using the more rigiddye, we determined the dynamics of resolvation. Taking that reference, we analyzed the dynamics of rotamerism around the CC single bond. Wefound that the Franck-Condon geometry equilibrates with a polar-twisted rotamer which is deactivated by fast nonradiative decay. The rotamerism occurs during the relaxation of the solvation shell.

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Documento generato il 21/09/20 alle ore 06:12:39