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. 2018 Aug 16;11(1):37–44. doi: 10.1016/j.jaim.2017.11.003

Fig. 1.

Fig. 1

Spectra represent the formation of silver nanoparticles with the help of Cestrum nocturnum extract (A) and the visual observation of color changes at different time intervals (0 h–24 h) (B).