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. 2022 Dec 13;10:1095488. doi: 10.3389/fchem.2022.1095488

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Copyright © 2022 Ma, Li, Luo and Jiao.

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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Schematic of the two-step method based on mercaptoethanol. Reprinted with permission from ref 64. (A) HS-ssDNA on AuNPs and (B) both HS-ssDNA and MCH adsorbed on AuNPs.