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Monitoring purines intracellular quickly and accurately is critically important for revealing physiological processes relate to purine metabolism. However, the overlapped signals of guanine (G) or xanthine (X) and adenine (A) or hypoxanthine (H) hinder the accurate detection of individual purine change in cells. In this paper, a novel electrochemical detecting system has been constructed by introducing...
Polyoxometalates (POMs) as efficient electrochemical catalytic components were successfully loaded on three-dimensional graphene foam (3DGF) forming novel POM-based carbon-material of POM@3DGF. Being the first time, POMs were loaded onto 3DGF matrix as a highly selective electrochemical biosensor, by which xanthine (Xan) and guanine (Gua) can be detected simultaneously with separated electrochemical...
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