Table 1: Characterization of silver nanoparticles.

Nanosilver (Nanocomposix)CoatingReported1 size (nm)Ag commercial suspension (mg/mL)Measured2 hydrodynamic diameter (nm)Zeta potential (mV)

nAg (AGCN50)Citrate510.021 (Milli-Q)NA

nAg (AGSH50)SilicaCore:
Shell: 18
1011.07 (Milli-Q)NA

nAg (AGPN50)Polyvinylpyrrolidone (PVP)710.021 (Milli-Q) (aquarium)

nAg (AGBN50)Branched polyethylenimine (bPEI)660.022 (Milli-Q)NA

1According to the manufacturer’s data sheet based on transmittance electron microscopy. 2Measured by DLS as described in Materials and Methods at 50 μg/L concentration in either Milli-Q or aquarium water.