I-Hsuan Su

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Photo-assisted catalytic reduction of nitric oxide (NO) was studied over different metal-loaded TiO2 catalysts at room temperature. The activities of metal-loaded (Pt, Ag, Cu) TiO2 photocatalysts, prepared by the sol-gel method, were compared in a batch system using CH4 as the reducing agent. The Pt/TiO2 catalyst showed the highest activity for NO(More)
OBJECTIVES To study using cobalt-tetraphenylporphyrin/reduced graphene oxide (CoTPP/RGO), a nanocomposite highly catalytic both for oxidizing and for reducing hydrogen peroxide (H2 O2 ), to whiten teeth. METHODS Dyes (D&C Red 34, Orange No. 4), tea, and betel nuts (Areca catechu) were used to stain the tooth specimens for three days and subsequently(More)
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