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Zeta potential values for PEG-AuNPs dispersed in PBS at pH 7
| Sample | Zeta potential (± standard deviation) (mV) |
|---|---|
| AuPEG_1 | −13.8 (±2.0) |
| AuPEG_2 | −8 (±6.0) |
| AuPEG_3 | −4 (±0.1) |
| AuPEG_4 | +12 (±3.0) |
Note: All dispersions are colloidally stable.
Abbreviations: PEG-AuNPs, polyethylene glycol-gold nanoparticles; PBS, phosphate-buffered saline; AuPEG, PEG-coated AuNPs.
