In Vitro Evaluation of Cytotoxicity of Colloidal Amorphous Silica Nanoparticles Designed for Drug Delivery on Human Cell Lines

Table 2

Absorbance values (OD) of 20 nm and 40 nm silica nanoparticles.

Blank silica NPs colloids (nm)	Absorbance value at peak 233 nm (OD)	Absorbance value at peak 233 × dilution factor 100 (OD)
20	2.028	202.8
40	2.713	271.3