Antimicrobial Properties of Strychnos phaeotricha (Loganiaceae) Liana Bark Secondary Metabolites at the Interface of Nanosilver Particles and Nanoencapsulation by Chitosan Transport Vehicles

Figure 3

UV-Vis absorption spectra of biosynthesized AgNPs with respect to (a) time, (b) pH, (c) extract quantity, and (d) silver nitrate concentration.

(a)

(b)

(c)

(d)