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A fluorometric ATP assay is described that makes use of carbon dots and graphene oxide along with toehold-mediated strand displacement reaction. In the absence of target, the fluorescence of carbon dots (with excitation/emission maxima at 360/447 nm) is strong and in the “on” state, because the signal probe hybridizes with the aptamer strand and cannot combine with graphene oxide. In the presence...
A novel triple-component TiO2/Ag3PO4/graphene oxide (TiO2/Ag3PO4/GO) photocatalyst with dual channels for photo-generated charges separation has been synthesized to improve the photocatalytic activity and stability of Ag3PO4 under visible light. The synthesis involved in-situ growth of Ag3PO4 nanoparticles on GO sheets to form Ag3PO4/GO, and then deposited TiO2 nanocrystals on the surface of Ag3PO...
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