The Influence of Surface Coatings of Silver Nanoparticles on the Bioavailability and Toxicity to Elliptio complanata Mussels

Table 1

Characterization of silver nanoparticles.

Nanosilver (Nanocomposix)	Coating	Reported^1 size (nm)		Ag commercial suspension (mg/mL)	Measured^2 hydrodynamic diameter (nm)	Zeta potential (mV)
		TEM	DLS
nAg (AGCN50)	Citrate		51	0.021	(Milli-Q)	NA
					(aquarium)
nAg (AGSH50)	Silica	Core: Shell: 18	101	1.07	(Milli-Q)	NA
					(aquarium)
nAg (AGPN50)	Polyvinylpyrrolidone (PVP)		71	0.021	(Milli-Q)	(aquarium)
					(aquarium)
nAg (AGBN50)	Branched polyethylenimine (bPEI)		66	0.022	(Milli-Q)	NA
					(aquarium)

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.