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. Author manuscript; available in PMC: 2017 Jan 22.
Published in final edited form as: Toxicol Lett. 2015 Nov 10;241:207–215. doi: 10.1016/j.toxlet.2015.11.006

Table 1.

Physical characterization of the materials used.

Particle Type Diameter (nm)a Surface Area (m2/g) APTES Loading (mmol/g) Z-Potential (mV)
Bare Silica NPs 54 ± 9 66 ± 3 - −25 ± 12
APTES - NPs 50 ± 8 42 ± 2 0.582 ± 0.009 19 ± 4
Min-U-Sil® Quartz 700 7.6 ± 0.3 - −36 ± 6
a

Determined from analysis of SEM images