This article aims to present a protocol on how to build a spot variation Fluorescence Correlation Spectroscopy (svFCS) microscope to measure molecular diffusion at the plasma membrane of living cells.
Mailfert, S., Wojtowicz, K., Brustlein, S., Blaszczak, E., Bertaux, N., Łukaszewicz, M., Marguet, D., Trombik, T. Spot Variation Fluorescence Correlation Spectroscopy for Analysis of Molecular Diffusion at the Plasma Membrane of Living Cells. J. Vis. Exp. (165), e61823, doi:10.3791/61823 (2020).