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Measurements of Self Diffusion Coefficient with Fluorescence Recovery after Pattern Photo-Bleaching and Forced Rayleigh Scattering Methods
Nihon Reoroji Gakkaishi
An instrument was constructed for studies of self diffusion of polymer in solution. The self diffusion coefficient, Ds, could be measured by using either of the fluorescence recovery after pattern photo-bleaching (FRAPP) or the forced Rayleigh scattering(FRS) techniques with slightly different experimental setups. These techniques are similar in parinciple. In both techniques, Ds is estimated from the relaxation process of intensity of light (fluorescence or diffracted light) due todoi:10.1678/rheology1973.16.2_72 fatcat:baict6gdnjfqdkbbrvq72qgthy