V. Lauruengtana

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Photocatalytic activity of titanium dioxide on thin coatings of the material exhibiting self cleaning and disinfecting properties under exposure to UV radiation, have been widely acknowledged. In this study apatite-coated TiO<sub>2</sub> materials were evaluated in terms of its antimicrobial property both under ultraviolet (UV) and visible light. Our(More)
Well-dispersed silver nanoparticles were prepared by chemical reduction method, with poly(vinyl pyrrolidone), PVP as dispersant. The mechanisms of PVP in the preparation process were discussed though the optical characters of the reaction system. It is indicated that PVP accelerated the reaction between silver ions and glucose, because it stabilized H+. PVP(More)
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