This protocol outlines simple preparation for AFM imaging of extracellular vesicles in hydrated and desiccated forms, their electrostatic immobilization, surface scanning, vesical identification, and data analysis and interpretation. The main adva
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A step-by-step procedure is described for label-free immobilization of exosomes and extracellular vesicles from liquid samples and their imaging by atomic force microscopy (AFM). The AFM images are used to estimate the size of the vesicles in the solution and characterize other biophysical properties.