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. 2017 Oct 16;29(21):9416–9428. doi: 10.1021/acs.chemmater.7b03504

Figure 1.

Figure 1

Structure of the ligands employed in this study. At neutral pH, the top six ligands are cationic. DA-Arg, H-CALNR-NH2, and DHLA-Bet are newly designed ligands described in the main text. HS-PEG550 (n ≈ 11) was used as a neutral reference ligand or to create binary ligand layer compositions with varied surface charge.