In 1983 I have derived an exact equation describing experimental FRAP curves obtained with the Axilrod-Elson-Schlessinger FRAP method, under the assumption of ideal conditions (free diffusion on a flat surface ,independent diffusing species and uniform,cylindrical beam illumination).The equation has proven to be quite useful in many hundreds of papers since them ,which presently motivated me to develop refinements including interacting diffusing species and obstacles.I need feedback from the FRAP community in the form of

recovery data and experimental conditions in order to benchmark this unpublished work.

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