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This study follows the surface properties modification of some silica particles, by coating with complementary polyelectrolytes by layer-by-layer deposition or by the adsorption of preformed polyelectrolyte complexes. Two polyanions, alginic acid and poly(2-acrylamido-2-methylpropanesulfonic acid - co - acrylic acid), and chitosan as polycation are used. The influence of the polyelectrolytes structure...
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