Research Article

Comparative Study of the Silver Nanoparticle Synthesis Ability and Antibacterial Activity of the Piper Betle L. and Piper Sarmentosum Roxb. Extracts

Figure 4

The FTIR spectra of (a) Pb.ext (i) and Pb.AgNP (ii) and (b) Ps.ext (i) and Ps.AgNP (ii).
(a)
(b)