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. 2020 May 27;8:444. doi: 10.3389/fchem.2020.00444

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Copyright © 2020 Feng, Wei and Zhang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) SWV scans of BNNS-Pt NPs/GCE toward 0.2 μM UA at different pH values from 4.0 to 10.0. (B) The relationship of pH value and peak current. (C) Plot of pH vs. peak potential.