In Vitro Cytotoxicity Assay on Gold Nanoparticles with Different Stabilizing Agents

Table 2

Reaction conditions for producing citrate (C-AuNp), starch (S-AuNp) and gum arabic (GA-AuNp)-capped gold nanoparticles.

Compound name	Stabilizer (C-AuNp)/(S-AuNp)/(GA-AuNp)	Gold precursor	Reducing agent	Time	Reaction; solution color
C-AuNp	4 mL of 38.8 mM in 250 mL of DI	0.25 mM HAuCl4	4 mL of 1% trisodium citrate	1 min	Wine-red color Sodium citrate
S-AuNp	0.0225 g of starch in 6 mL of DI	0.1 mL of 0.1 M, NaAuCl4	0.02 mL of 0.1 M, THPAL	1 min	Pinkish purple
GA-AuNp	0.0225 g of gum arabic in 6 mL of DI	0.1 mL of 0.1 M, NaAuCl4	0.02 mL of 0.1 M, THPAL	1 min	Reddish purple