Graphite paper-based bipolar electrode electrochemiluminescence sensing platform
By Zhang, Xin; Ding, Shou-Nian
Published in Biosensors and Bioelectronics
NULL
2017
Abstract
Abstract In this work, aiming at the construction of a disposable, wireless, low-cost and sensitive system for bioassay, we report a closed bipolar electrode electrochemiluminescence (BPE-ECL) sensing platform based on graphite paper as {BPE} for the first time. Graphite paper is qualified as {BPE} due to its unique properties such as excellent electrical conductivity, uniform composition and ease of use. This simple BPE-ECL device was applied to the quantitative analysis of oxidant (H2O2) and biomarker (CEA) respectively, according to the principle of {BPE} sensing?charge balance. For the {H2O2} analysis, Pt {NPs} were electrodeposited onto the cathode through a bipolar electrodeposition approach to promote the sensing performance. As a result, this BPE-ECL device exhibited a wide linear range of 0.001
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