Mass Transfer in Mesoporous Microparticles Studied by Confocal Fluorescence Recovery after Photobleaching

Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry
Tatsumi SatoKiyoharu Nakatani

Abstract

The intraparticle diffusion of a fluorescent dye in single microparticles in an aqueous solution was analyzed using fluorescence recovery after photobleaching, with a confocal fluorescence microscope. The fluorescence depth profile of single microparticles, and the fluorescence recovery at the particle center, were measured; further, the intraparticle diffusion coefficient was determined through simulations of three-dimensional diffusion in the respective microparticles. The intraparticle diffusion of coumarin 102 in octadecylsilyl silica gel was limited by the surface diffusion.

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Feb 14, 2017·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Tatsumi Sato, Kiyoharu Nakatani

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Citations

Jul 10, 2019·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Toshiki OtakaKiyoharu Nakatani
Jun 17, 2020·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Akira YamaguchiStephen A Holt
Jan 13, 2021·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Akira YamaguchiTetsuji Itoh
Oct 22, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Akihisa MiyagawaKiyoharu Nakatani

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