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Zeta-Potential (mV) for CTAB coated GNR before PEGylation (GNR-CTAB), GNR after PEGylation (GNR-PEG) and PEGylated GNR after incubation with 5% BSA in PBS, pH 7.4, 3 hours (GNR-PEG+BSA) (mean ± SD, n = 8)
| GNR Modification | Nanoparticle ZP (mV) |
|---|---|
| GNR-CTAB | 50.7 ± 18.12 |
| GNR-PEG | −19.9 ± 10.01 |
| GNR-PEG in BSA | −13.7 ± 10.58 |
