Simple computer method for evaluation of lateral diffusion coefficients from fluorescence photobleaching recovery kinetics

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Abstract

A method is presented for the analysis of fluorescence photobleaching recovery curves. Based on the simplified kinetic expression of Yguerabide, J., J.A. Schmidt, and E.E. Yguerabide (1982, Biophys. J., 40:69–75), a linearization procedure is described that permits unequivocal determination of all diffusion parameters. The presence of additional membrane flow or multiple diffusion coefficients can easily be detected by this method, and simple corrections for the presence of these alternative recovery processes can be made by the use of a regular mini-computer. The validity of the method is tested on simulated recovery curves, varying the contribution of flow, multiple diffusion coefficients, and statistical noise due to counting error. © 1983, The Biophysical Society. All rights reserved.

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van Zoelen, E. J., Tertoolen, L. G., & de Laat, S. W. (1983). Simple computer method for evaluation of lateral diffusion coefficients from fluorescence photobleaching recovery kinetics. Biophysical Journal, 42(1), 103–108. https://doi.org/10.1016/S0006-3495(83)84374-4

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