Abstract
Adsorption of 110 nm negatively charged polystyrene particles on positively charged titanium surfaces was studied for the purpose of making surfaces with controlled nanotopography. Surfaces with 9–26 % saturation coverages of evenly spaced particles were produced by varying the salt concentration in the particle solution (0.01–1 mM NaCl). This is a quick and relatively simple method to make uniform nanostructures over large surface areas (~cm 2). The produced surfaces are used for in vitro cell studies of how sub-micrometre topography influences cell adhesion and function.
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