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Abstract:

The traditional analysis of the fluorescence recovery kinetics after spot bleaching yields expressions for the diffusion coefficient of the probe that are not suitable for linear fittings. In a previous work we developed an improved recovery function that is a better alternative for data analysis. To illustrate its application to real cases and compare it with the previous data treatment, we measured the time response of fluorescein in aqueous sucrose solutions, covering the unsaturated and the supercooled region, where decoupling between diffusion and viscosity is observed. The results are compared with the mobility of different types of solutes in aqueous sucrose solutions and are discussed in terms of the classical hydrodynamic model. © 2008 Springer Science+Business Media, LLC.

Registro:

Documento: Artículo
Título:An alternate solution of fluorescence recovery kinetics after spot-bleaching for measuring diffusion coefficients. 2. Diffusion of fluorescein in aqueous sucrose solutions
Autor:Corti, H.R.; Frank, G.A.; Marconi, M.C.
Filiación:Departamento de Fisica de Materia Condensada, Centro Atómico Constituyentes, Comisión Nacional de Energía Atómica, San Martin, Buenos Aires 1650, Argentina
Instituto de Química Física de los Materiales, Ambiente y Energía (INQUIMAE), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires 1428, Argentina
Laboratorio de Electrónica Cuántica, Departamento de Física, Universidad de Buenos Aires, Buenos Aires 1428, Argentina
NSF ERC for Extreme Ultraviolet Science and Technology, Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, CO 80525, United States
Palabras clave:Diffusion; Fluorescein; Fluorescence recovery; Photobleaching; Stokes-Einstein equation; Sucrose solutions; Supercooled
Año:2008
Volumen:37
Número:11
Página de inicio:1593
Página de fin:1608
DOI: http://dx.doi.org/10.1007/s10953-008-9329-4
Título revista:Journal of Solution Chemistry
Título revista abreviado:J. Solut. Chem.
ISSN:00959782
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00959782_v37_n11_p1593_Corti

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Citas:

---------- APA ----------
Corti, H.R., Frank, G.A. & Marconi, M.C. (2008) . An alternate solution of fluorescence recovery kinetics after spot-bleaching for measuring diffusion coefficients. 2. Diffusion of fluorescein in aqueous sucrose solutions. Journal of Solution Chemistry, 37(11), 1593-1608.
http://dx.doi.org/10.1007/s10953-008-9329-4
---------- CHICAGO ----------
Corti, H.R., Frank, G.A., Marconi, M.C. "An alternate solution of fluorescence recovery kinetics after spot-bleaching for measuring diffusion coefficients. 2. Diffusion of fluorescein in aqueous sucrose solutions" . Journal of Solution Chemistry 37, no. 11 (2008) : 1593-1608.
http://dx.doi.org/10.1007/s10953-008-9329-4
---------- MLA ----------
Corti, H.R., Frank, G.A., Marconi, M.C. "An alternate solution of fluorescence recovery kinetics after spot-bleaching for measuring diffusion coefficients. 2. Diffusion of fluorescein in aqueous sucrose solutions" . Journal of Solution Chemistry, vol. 37, no. 11, 2008, pp. 1593-1608.
http://dx.doi.org/10.1007/s10953-008-9329-4
---------- VANCOUVER ----------
Corti, H.R., Frank, G.A., Marconi, M.C. An alternate solution of fluorescence recovery kinetics after spot-bleaching for measuring diffusion coefficients. 2. Diffusion of fluorescein in aqueous sucrose solutions. J. Solut. Chem. 2008;37(11):1593-1608.
http://dx.doi.org/10.1007/s10953-008-9329-4