Biosynthesis of gold nanoparticles using Solanum nigrum
2014-04-01· The synthesis of gold nanoparticles involved the mixing of aliquot amounts of chloroauric acid and S. nigrum leaf extract in water. The S. nigrum leaf extract (0.2, 0.4, 0.6, 0.8 and 1 mL) was added to 10 mL of 1 mM HAuCl 4 aqueous boiled solution and kept at boiling condition for 20 min to get the colloids g 1, g 2, g 3, g 4 and g 5, respectively.