Figure 1
From: Anticancer and antimicrobial activity of biosynthesized Red Sea marine algal silver nanoparticles
Biosynthesis of AgNPs using different marine algal extracts, (a) U. rigida, C. myrica, and G. foliifera, as reducing and capping agents. The reduction of AgNO3 by the algal extracts was visually evident from the colour change (brownish-yellow) of the reaction mixture after 48 h.
