. Author manuscript; available in PMC: 2015 Dec 18.

Published in final edited form as: Nanomedicine (Lond). 2014 Dec;9(18):2803–2815. doi: 10.2217/nnm.14.40

Table 1.

Properties of engineered nanoparticle suspensions in two cell culture media.

Material	DMEM/F12 with 10% FBS and 10 ng/ml EGF			Low-glucose DMEM with 10% FBS
Material	d_H (nm)	PdI	ζ (mV)	d_H (nm)	PdI	ζ (mV)
SiO₂	172 ± 1.50	0.360 ± 0.003	−10.3 ± 0.666	367 ± 14.5	0.530 ± 0.106	−9.60 ± 0.475
CuO	203 ± 8.44	0.984 ± 0.028	−9.43 ± −0.497	288 ± 12.9	0.240 ± 0.021	−8.55 ± 0.447
ZnO	162 ± 9.54	0.564 ± 0.046	−9.31 ± 1.25	1210 ± 947	0.867 ± 0.148	−6.23 ± 2.53
TiO₂	838 ± 4.31	0.521 ± 0.055	−18.5 ± 9.67	868 ± 15.0	0.499 ± 0.097	−8.35 ± 4.39
FS^{20 nm}	124 ± 15.6	0.421 ± 0.075	−12.3 ± 1.22	110 ± 2.65	0.359 ± 0.086	−9.89 ± 7.03
FS^{40 nm}	92.3 ± 3.81	0.307 ± 0.008	−17.7 ± 5.0	95.6 ± 0.767	0.268 ± 0.006	−29.2 ± 4.44
FS^{100 nm}	203 ± 0.802	0.300 ± 0.012	−22.4 ± 10.6	182 ± 2.25	0.199 ± 0.015	−6.15 ± 4.39
FS^{200 nm}	279 ± 2.36	0.114 ± 0.013	−4.26 ± 7.46	319 ± 25.9	0.144 ± 0.048	−12.8 ± 4.80
FS^{500 nm}	550 ± 3.96	0.255 ± 0.041	−12.7 ± 1.55	605 ± 3.78	0.214 ± 0.013	−7.61 ± 4.98
FS^{1000 nm}	1050 ± 33.2	0.865 ± 0.013	−6.31 ± 3.04	927 ± 206	0.689 ± 0.039	−8.43 ± 7.26
PS^{60 nm} COOH	88.4 ± 1.93	0.313 ± 0.002	−29.2 ± 17.1	91.6 ± 1.91	0.262 ± 0.007	−13.1 ± 8.72
PS^{60 nm} naked	91.5 ± 1.94	0.306 ± 0.005	−6.36 ± 8.62	97.4 ± 2.25	0.269 ± 0.003	−14.4 ± 4.67

dH: Hydrodynamic diameter; F12: Nutrient Mixture F-12; FBS: Fetal bovine serum; FS: FluoSpheres^® (Invitrogen, CA, USA); PdI: Polydispersity index; PS: Polystyrene; ζ: Zeta-potential.