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. 2018 Sep 3;19(9):2612. doi: 10.3390/ijms19092612

Figure 1.

Figure 1

UV–visible spectra of Au nanoparticles (NPs) formed after 1 h in the presence of different volumes of Corchorus olitorius (mallow) leaf extract (1–3.4 mL) and 0.5 mL of (0.01 M) HAuCl4·3H2O.