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The influence of GNR concentration on particle size, PDI, zeta potential, and appearance (N=3)
| GNRs (nM) | Particle size (nm) | PDI | Zeta potential (mV) | Appearance |
|---|---|---|---|---|
| 0.635 | 158.2±1.29 | 0.26±0.08 | −20.5±4.92 | Aggregation of GNRs after a few days |
| 0.4 | 163.1±1.47 | 0.29±0.05 | −26.1±3.86 | Little aggregation of GNRs after a few days |
| 0.2 | 161.6±1.9 | 0.27±0.13 | −32.3±3.61 | No aggregation |
Abbreviations: GNRs, gold nanorods; PDI, polydispersity index.
