Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles

A kinetic model for quenching of a fluorescent probe in micelles is analysed. The probe is totally incorporated into the micelles. The quencher distributes between water and the micellar pseudophase in two different ways; i.e. by binding and by partition. The model is analytically solved under the a...

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Publicado: 1996
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00092614_v250_n2_p203_Daraio
http://hdl.handle.net/20.500.12110/paper_00092614_v250_n2_p203_Daraio
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spelling paper:paper_00092614_v250_n2_p203_Daraio2023-06-08T14:33:42Z Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles A kinetic model for quenching of a fluorescent probe in micelles is analysed. The probe is totally incorporated into the micelles. The quencher distributes between water and the micellar pseudophase in two different ways; i.e. by binding and by partition. The model is analytically solved under the assumption that quenching of the probe is much faster than the quencher exchange either between the two phases or between partition and binding sites within the same micelle. Equations for the time-resolved and steady-state fluorescence intensities are derived. The model is applied to the quenching of a carboxylated zinc phthalocyanine fluorescence by diethyl-aniline in CTAC micelles. 1996 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00092614_v250_n2_p203_Daraio http://hdl.handle.net/20.500.12110/paper_00092614_v250_n2_p203_Daraio
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description A kinetic model for quenching of a fluorescent probe in micelles is analysed. The probe is totally incorporated into the micelles. The quencher distributes between water and the micellar pseudophase in two different ways; i.e. by binding and by partition. The model is analytically solved under the assumption that quenching of the probe is much faster than the quencher exchange either between the two phases or between partition and binding sites within the same micelle. Equations for the time-resolved and steady-state fluorescence intensities are derived. The model is applied to the quenching of a carboxylated zinc phthalocyanine fluorescence by diethyl-aniline in CTAC micelles.
title Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles
spellingShingle Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles
title_short Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles
title_full Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles
title_fullStr Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles
title_full_unstemmed Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles
title_sort fluorescence quenching kinetic model for a bound and partitioned quencher in micelles
publishDate 1996
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00092614_v250_n2_p203_Daraio
http://hdl.handle.net/20.500.12110/paper_00092614_v250_n2_p203_Daraio
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