Research Article
Gold Nanoparticles: Synthesis, Stability Test, and Application for the Rice Growth
Table 4
Zeta potential and size of citrate AuNPs in biobuffer.
| Time (hour) | Zeta potential (mV) | Size 1 (nm) | Size 2 (nm) |
| 0 | −9.54 | 10.1 | 78.8 | 1 | −10.6 | 5.6 | 122.4 | 2 | −10.2 | 10.1 | 91.3 | 3 | −10.5 | 10.1 | 78.8 | 24 | −11.4 | 13.5 | 78.8 | 72 | −11 | 11.7 | 78.8 | 168 | −10.6 | 10.1 | 78.8 |
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