Abstract

Diffusion phenomena play an important role during various stages of biofilm development. Hence, quantification of the diffusion coefficient of molecules provides important information necessary to understand the variability in diffusion profiles at different biofilm stages. Imaging fluorescence correlation spectroscopy (FCS) enables the visualization of 3D diffusion profiles of biofilms. In this protocol, we explain how to grow biofilms for investigation using imaging FCS and how to acquire and analyze the data.

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