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dc.contributor.authorBozkurt, E. and Bayraktutan, T. and Acar, M. and Toprak, M.
dc.date.accessioned2021-04-08T12:09:49Z
dc.date.available2021-04-08T12:09:49Z
dc.date.issued2013
dc.identifier10.1016/j.saa.2012.09.082
dc.identifier.issn13861425
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84867744702&doi=10.1016%2fj.saa.2012.09.082&partnerID=40&md5=b55dad098ac2c298627f6610c24337d4
dc.identifier.urihttp://acikerisim.bingol.edu.tr/handle/20.500.12898/4912
dc.description.abstractIn this study, the fluorescence quenching of fluorescein by safranine T in liposome media had been investigated systematically by fluorescence spectroscopy, UV-vis absorption spectroscopy and fluorescence decay lifetime measurements. The spectroscopic data were analyzed using a Stern-Volmer equation to determine the quenching process. The experimental results showed that the intrinsic fluorescence of fluorescein was strongly quenched by safranine T, and that the quenching mechanism was considered as static quenching by forming a ground-complex. The Stern-Volmer quenching constant Ksv, and the bimolecular quenching constant Kq were estimated. The distances between the donor (fluorescein) and the acceptor (safranine T) were calculated according to the Förster non-radiation energy transfer theory. In addition, the partition coefficient of the safranine T (Kp) in the L-egg lecithin phosphatidylcholine liposomes was also calculated by utilizing the fluorescence quenching. © 2012 Published by Elsevier B.V. All rights reserved.
dc.language.isoEnglish
dc.sourceSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
dc.titleSpectroscopic studies on the interaction of fluorescein and safranine T in PC liposomes


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