Fig. 1From: Green synthesis of Nerium oleander-conjugated gold nanoparticles and study of its in vitro anticancer activity on MCF-7 cell lines and catalytic activityUV–Vis spectra of a HAuCl4 (0.42 mM), b–g AuNPs at 200, 400, 600, 800, 1000, 1200 mg/L concentrations of the stem bark of Nerium oleander. Inset: photograph of the vials containing the aforementioned mixtures (after 15 h of mixing)Back to article page