Many materials, like polymers, silicates, glass, play crucial role in many areas of industry, medicine or our common life due to their properties. But their surface properties can limit their further use in some areas. Physical or chemical modification of these surfaces can change their chemical composition and subsequent better adhesion of grafted compounds, cells or antimicrobial activities. We can use this for development of new materials for electronics, optics or bio application. We have modified surfaces of selected materials by physical or chemical methods and we studied the changes of surface properties. The surface properties of the modified materials changed significantly and were studied using various techniques. Some antimicrobial tests have been applied on selected samples.Keywords: Polymer, piranha solution, compounds grafting, electrokinetic analysis, X-ray photoelectron spectroscopy
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