Details on the preparations of the gold and silver colloids and sample label assignation.
Dilution of stock plant extract [% vol/vol] | HAuCl4 concentration (M) | AgNO3 concentration (M) | ||
---|---|---|---|---|
1 × 10−2 | 1 × 10−3 | 1 × 10−2 | 1 × 10−3 | |
20 | G20-2 | G20-3 | S20-2 | S20-3 |
40 | G40-2 | G40-3 | S40-2 | S40-3 |
60 | G60-2 | G60-3 | S60-2 | S60-3 |
80 | G80-2 | G80-3 | S80-2 | S80-3 |
100 | G100-2 | G100-3 | S100-2 | S100-3 |