Table 4.
Temperature-dependent average hydrodynamic size of AuNPs synthesized and stabilized using synthetic and natural polymers. The standard deviations are given in parentheses.
| No. | Polymers, Concentration, wt % | Average Hydrodynamic Size of AuNPs, nm | |||||
|---|---|---|---|---|---|---|---|
| Temperature, °C | |||||||
| 25 | 35 | 45 | 55 | 65 | 75 | ||
| 1 | Gellan, 0.5 | 16 (±2) | 18 (±2) | 11 (±2) | 5 (±1) | 4 (±1) | 3 (±1) |
| 2 | κ-Carrageenan, 0.5 | 19 (±2) | 19 (±2) | 26 (±3) | 28 (±3) | 15 (±2) | 11 (±2) |
| 3 | PVP 10 kDa, 4.0 | 2 (±1) | 4 (±1) | 5 (±1) | 5 (±1) | 5 (±1) | 6 (±1) |
| 4 | PVP 40 kDa, 4.0 | 6 (±1) | 4 (±1) | 6 (±1) | 5 (±1) | 3 (±1) | 6 (±1) |