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Fig. 1 | Journal of Genetic Engineering and Biotechnology

Fig. 1

From: Biogenic synthesis of gold nanoparticles using Argemone mexicana L. and their cytotoxic and genotoxic effects on human colon cancer cell line (HCT-15)

Fig. 1

a Biosynthesis of gold nanoparticles indicating transformation of color of reaction mixture containing A. mexicana plant extract and 1 mM HAuCl4·3H2O solution at various time periods (0–180 min). b Time-dependent UV-visible spectrometry analysis of AM-AuNPs formation showing spectra of A. mexicana plant extract, HAuCl4·3H2O, and AM-AuNPs. The absorption spectrum of biosynthesized AuNPs exhibited a strong peak at 540 nm

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