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Experimental parameters used in the synthesis of colloidal AuNPs and Ag/AuNPs
| System | 1% (w/v) starch solution (μL) | 25 mM AgNO3 (μL) | 25 mM NaAuCl4 (μL) |
|---|---|---|---|
| Ag/AuNPs | 500 | 250 | 250 |
| AuNPs | 500 | 0 | 250 |
Note: Reaction time was set to 2 hours at 70°C and pH=11 for both systems.
Abbreviations: AgNPs, silver nanoparticles; AuNPs, gold nanoparticles.
