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Abstract:

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.

Registro:

Documento: Artículo
Título:Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles
Autor:Daraio, M.E.; Aramendía, P.F.; San Román, E.
Filiación:INQUIMAE, Depto. de Quimica Inorgánica, Universidad de Buenos Aires, Pabellón 2, 1428 Buenos Aires, Argentina
Año:1996
Volumen:250
Número:2
Página de inicio:203
Página de fin:208
DOI: http://dx.doi.org/10.1016/0009-2614(96)00012-7
Título revista:Chemical Physics Letters
Título revista abreviado:Chem. Phys. Lett.
ISSN:00092614
CODEN:CHPLB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00092614_v250_n2_p203_Daraio

Referencias:

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Citas:

---------- APA ----------
Daraio, M.E., Aramendía, P.F. & San Román, E. (1996) . Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles. Chemical Physics Letters, 250(2), 203-208.
http://dx.doi.org/10.1016/0009-2614(96)00012-7
---------- CHICAGO ----------
Daraio, M.E., Aramendía, P.F., San Román, E. "Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles" . Chemical Physics Letters 250, no. 2 (1996) : 203-208.
http://dx.doi.org/10.1016/0009-2614(96)00012-7
---------- MLA ----------
Daraio, M.E., Aramendía, P.F., San Román, E. "Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles" . Chemical Physics Letters, vol. 250, no. 2, 1996, pp. 203-208.
http://dx.doi.org/10.1016/0009-2614(96)00012-7
---------- VANCOUVER ----------
Daraio, M.E., Aramendía, P.F., San Román, E. Fluorescence quenching kinetic model for a bound and partitioned quencher in micelles. Chem. Phys. Lett. 1996;250(2):203-208.
http://dx.doi.org/10.1016/0009-2614(96)00012-7