Figure 2.
Changes in the color of the colloidal solution with various concentration of curcumin indicating the formation of C-Ag NPs: (a) curcumin solution (b) curcumin oxide (c) C0, 0.05 g curcumin (d) C1, 0.1 g curcumin (e) C2, 0.25 g curcumin.
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