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Clathrin distribution on different BSA patterns. (A) Schematic illustration of the surface functionalization used in (B). (B) TIRF microscopy images of HeLa cells grown on various surface patterns and stained for clathrin structures with Tfr-647 (red). Substrate functionalization is as follows: left—1 µm printed BSA grid, middle—1 µm printed BSA dots, and right—3 µm printed BSA grid. Schematic illustrations are not drawn to scale.
