Paper-Based Analytical Devices Relying on Visible-Light-Enhanced Glucose/Air Biofuel Cells.
作者： Kaiqing Wu , Yan Zhang , Yanhu Wang , Shenguang Ge , Mei Yan
关键词:
摘要: A strategy that combines visible-light-enhanced biofuel cells (BFCs) and electrochemical immunosensor into paper-based analytical devices was proposed for sensitive detection of the carbohydrate antigen 15-3 (CA15-3). The gold nanoparticle modified paper electrode with large surface area good conductibility applied as an effective matrix primary antibodies. glucose dehydrogenase (GDH) gold–silver bimetallic nanoparticles were used bioanodic biocatalyst signal magnification label. Poly(terthiophene) (pTTh), a photoresponsive conducting polymer, served catalyst in cathode reduction oxygen upon illumination by visible light. In bioanode, electrons generated through oxidation catalyzed GDH. amount is determined GDH, which finally depended on CA15-3. cathode, from bioanode could combine holes HOMO energy level catalysts pTTh. Meanwhil...
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