Fig. 3.
UV-visible absorption spectra of AuNPs@D.pulp_seed oil synthesized (A) with different volume of (1–5) ml D.pulp_seed oil extract with 5 mL 1x10-3 M HAuCl4 stock solutions after 4 h, (B) with different volume of (1–5) ml 1x10-3 M HAuCl4 stock solution with 5 mL D.pulp_seed oil extract after 4 h, (C) as a function effect of different (2–8) pH of 5 mL 1x10-3 M HAuCl4 stock solution and 5 mL of D.pulp_seed oil extract after 4 h, (D) as a function of 5 mL 1x10-3 M HAuCl4 stock solution and 5 mL of D.pulp_seed oil extract with different temperature (15,25 and 35) °C after 4 h, (E) as a function of 5 mL 1x10-3 M HAuCl4 stock solution and 5 mL of D.pulp_seed oil extract with different time of (30–240) minute of addition at 25 °C.