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. 2018 Mar 22;6:29. doi: 10.3389/fbioe.2018.00029

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Copyright © 2018 Ghosh, Khan, Tsavalas and Song.

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 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). Schematic representation of top liquid-gated graphene field-effect transistor (GFET) device with anchored probe DNAs on the graphene channel surface. (B) I_DS–V_GS characteristics of GFET device before and after target molecule binding resulting in a detectable change in V_CNP.