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. 2020 May 28;8:412. doi: 10.3389/fchem.2020.00412

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Copyright © 2020 Arora, Thangavelu and Karanikolos.

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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Antimicrobial activity measurement using the modified Kirby–Bauer method. (A–C) Optical images of bacterial colonies against E. coli corresponding to (A) GO, (B) Ag/rGO, and (C) Pt/Ag/rGO. The Pt/Ag/rGO sample exhibited the largest inhibition zone. (D) Comparisons of the radius of the inhibition zone of bacteria treated with the different samples, revealing superior performance of the bimetallic material. Error bar is based on the average of three measurements. Reproduced from Zhang et al. (2016a) with permission from the American Chemical Society.