Biofabrication of gold nanoparticles using Agrimonia pilosa extract and their antioxidant and cytotoxic activity

Figures & data

Scheme 1. Work flow of AP-AuNPs synthesis using aerial part extract of A. pilosa and evaluation of their antioxidant and cytotoxic activity.

Figure 1. (a) From left to right, aerial part of A. pilosa and its extract, 1 mM tetrachloroauric acid, and synthesized AP-AuNPs, (b) UV–visible spectrum of synthesized AP-AuNPs and extract of plant.

Figure 2. (a) TEM and (b) FE-SEM image of Synthesized AP-AuNPs.

Figure 3. EDX spectrum of green synthesized AP-AuNPs.

Figure 4. XRD pattern of synthesized AP-AuNPs.

Figure 5. Zeta potential analysis of synthesized AP-AuNPs.

Figure 6. FT-IR spectrum of (a) A. pilosa aerial part extract and (b) synthesized AP-AuNPs.

Figure 7. Antioxidant activity of AP-AuNPs by DPPH free radicals scavenging.

Figure 8. In vitro cell viability of A. pilosa aerial part extract-mediated AP-AuNPs against HaCaT (human keratinocyte) and AGS (human gastric adenocarcinoma) cell lines. All data expressed as mean ± standard deviation (n = 3).