Figures & data
![](/cms/asset/12ddac37-841b-41f1-b16c-ededfc7d19e4/ianb_a_1296849_uf0001_c.gif)
Figure 1. UV-Vis spectra of (a) FA-AuNps, (b) FA-AgNps and (c) aqueous plant extracts. Insets show the colour conversion of reaction mixtures into FA-AuNps (purple) and FA-AgNps (brown).
![Figure 1. UV-Vis spectra of (a) FA-AuNps, (b) FA-AgNps and (c) aqueous plant extracts. Insets show the colour conversion of reaction mixtures into FA-AuNps (purple) and FA-AgNps (brown).](/cms/asset/ff9f5516-0abe-4642-a612-87c16c03081a/ianb_a_1296849_f0001_c.jpg)
Figure 2. TEM images of spherical (a, b, and c) FA-AuNps and (e, f, and g) FA-AgNps. Elemental mapping of (d) gold and (h) silver.
![Figure 2. TEM images of spherical (a, b, and c) FA-AuNps and (e, f, and g) FA-AgNps. Elemental mapping of (d) gold and (h) silver.](/cms/asset/e329ac2a-6066-4e76-babb-c39fb95e0102/ianb_a_1296849_f0002_c.jpg)
Figure 3. SAED of (a) FA-AuNps and (d) FA-AgNps. X-ray diffraction spectrum of (b) FA-AuNps and (e) FA-AgNps. (c) EDX spectrum FA-AuNps and (f) FA-AgNps. Particle size distribution profile of (g) FA-AuNps and (h) FA-AgNps with respect to intensity.
![Figure 3. SAED of (a) FA-AuNps and (d) FA-AgNps. X-ray diffraction spectrum of (b) FA-AuNps and (e) FA-AgNps. (c) EDX spectrum FA-AuNps and (f) FA-AgNps. Particle size distribution profile of (g) FA-AuNps and (h) FA-AgNps with respect to intensity.](/cms/asset/137b2412-34b1-4a7e-ba05-4a35bf7f4cce/ianb_a_1296849_f0003_c.jpg)
Figure 5. Dose-dependent in vitro DPPH radical scavenging activity of (a) FA-AuNps and FA-AgNps and (b) IC50 curve). Catalytic activity of (c) biosynthesized nanoparticles and plant extract.
![Figure 5. Dose-dependent in vitro DPPH radical scavenging activity of (a) FA-AuNps and FA-AgNps and (b) IC50 curve). Catalytic activity of (c) biosynthesized nanoparticles and plant extract.](/cms/asset/4214068f-1b6a-45f9-8d40-b6e8699a1bfd/ianb_a_1296849_f0005_c.jpg)
Figure 6. Antimicrobial activity of FA-AgNps against (a) Staphylococcus aureus and (b) Escherichia coli.
![Figure 6. Antimicrobial activity of FA-AgNps against (a) Staphylococcus aureus and (b) Escherichia coli.](/cms/asset/62de840a-82ba-4d65-ae2b-a52949ca596f/ianb_a_1296849_f0006_c.jpg)
Table 1. Diameter of zone of inhibition (mm) of samples (30 μL) containing purified FA-AgNps.