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1篇 您的检索式:作者名="Ruimeng Sun"
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1Hierarchical micro-nanostructures from polyoxometalates and polydopamine:Characterization,electrochemical and intrinsic peroxidase-like properties显示文摘Hybrid composite materials with hierarchical structures have attracted continuing attention for their enhanced features and various applications.The new hybrid composites XW_(9)@PDA(XW_(9) means Na_(8)H[α-PW_(9)O_(34)],Na_(10)[α-SiW_(9)O_(34)]and Na_(10)[α-GeW_(9)O_(34)];PDA means polydopamine)have been synthesized for potential sensing applications.The effect of polyoxometalates on the formation of the hybrid composites was investigated.Scanning electron microscopy(SEM)supported the obtained XW_(9)@PDA were hierarchical microsphere.By monitoring the reaction of classical peroxidase substrate o-phenylenediamine(OPD)to form yellow 2,3-diaminophenazine(DAB)in the presence of H_(2)O_(2),the peroxidase-like activity of XW_(9)@PDA was calculated.The results showed that XW_(9)@PDA still keep the peroxidase-like activity and have 505.98%,208.58%and 582.78%enhancement in intrinsic catalytic activity for PW_(9)@PDA,SiW_(9)@PDA and GeW_(9)@PDA.Among the three composites,PW_(9)@PDA showed the highest peroxidase-like activity.Therefore,PW_(9)@PDA was applicable to the colorimetric and electrochemical sensing for H_(2)O_(2).Ruijuan Lv Xinming Zhang Ruimeng Sun Lixia Chen Yang Zhang Rongtian Sheng Ting Du Yuhan Li Yanfei Qi 2022Particuology2022,20,5:1
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