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. 2021 Oct 20;9:736679. doi: 10.3389/fbioe.2021.736679

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Copyright © 2021 Boas and Reches.

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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Formation of a peptide coating. (A) The molecular structure of the peptide. The purple color depicts the amino acid DOPA, green Phe, and red His. (B) A scheme representing the three coating steps. (C) Representative real-time QCM-D measurements of the peptide (red) and a control peptide without DOPA (blue). The 5^th overtones are presented. The arrows indicate the addition of the peptides (1), washing with tris (2), and the addition of a CuCl₂ solution (3).