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. 2021 Apr 20;11(24):14624–14631. doi: 10.1039/d1ra01448j

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