Table 1.

Zeta potential, particle size, and PDI obtained for Pc and PgNPs. PR = photoreduction. All solutions with pH ~7.0.

Sample	Zeta Potential (mV)	Particle Size (±SD) (nm)	Polydispersivity Index (PDI)
PcAg leaf extract before PR	−10.8	66.84 ± 45.1	0.455
PcAg leaf extract, PR	−15.5	65.25 ± 31.22	0.252
PcAg fruit extract before PR	−17.1	84.79 ± 45.61	0.289
PcAg fruit extract, PR	−26.7	71.53 ± 36.56	0.261
PcAu leaf extract, PR	−17.1	84.79 ± 45.178	0.455
PcAu fruit extract, PR	−18.3	57.43 ± 40.78	0.499
PgAg leaf extract, PR	−20.1	80.71 ± 39.33	0.252
PgAg fruit extract, PR	−22.0	48.25 ± 30.00	0.387
PgAu fruit extract	−21.8	51.43 ± 36.20	0.469