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Surface property characterization of the synthesized AuNPs. Ligand compositions were measured using a combination of TGA and CHNS analysis. Hydrodynamic diameter and zeta potential measurements were assessed in HEPES buffer (pH 6.0).
| Sample | Ligand Composition | Ligand #/AuNP | Hydrodynamic Diameter (nm) | Zeta Potential (mV) |
|---|---|---|---|---|
| C5 AuNP | C5 | 96 | -- | -- |
| K5 AuNP | K5 | 31 | 22±1 | 36±3 |
| Low-H3 AuNP | K5 & H3 | 48 (K5), 4( H3) | 59±4 | 25±2 |
| Mid-H3 AuNP | K5 & H3 | 35 (K5), 10 (H3) | 74±3 | 43±2 |
| High-H3 AuNP | H3 | 67 | 99±3 | 51±2 |
