Table 2.

Characterization of nanoparticles in this study.

Nanoparticles	Surface Coating	Z-Ave (nm)	PDI	Zeta Potential (mV)
AgNP-555	CF555, PEG2000	83.57 ± 0.16	0.100 ± 0.009	−26.3 ± 0.4
AgNP-647	CF647, PEG2000	100.40 ± 0.48	0.131 ± 0.005	−14.7 ± 0.6
AuNP	CF647, BSA	63.12 ± 0.47	0.253 ± 0.007	−30.2 ± 1.2
Au50	BSA	46.41 ± 1.31	0.306 ± 0.002	−11.9 ± 1.4
IONP	CF647, Dextran	57.30 ± 5.96	0.247 ± 0.090	2.7 ± 0.2
QD	CF647, PEG2000	32.93 ± 1.06	0.331 ± 0.069	−11.9 ± 1.4

Data presented here was mean ± s.d. of three independent experiments (n = 3). Zeta potential was measured at pH 7.4 for all NPs. AgNP silver nanoparticle, AuNP gold nanoparticle, IONP iron oxide nanoparticle, QD quantum dot.