Table 1.

Size distribution and zeta potential of 40 and 100 nm AgNPs

Sample	Diameter (nm)	Zeta potential (mV)
PVP-capped AgNPs (40 nm)	44.1 ± 2.5	−11.1 ± 0.7
PVP-capped AgNPs (100 nm)	93.9 ± 0.5	−20.0 ± 0.3