Toxicity of Nanoparticles in Biomedical Application: Nanotoxicology

Table 1

Particle size, surface area, and number.

Diameter of particle (nm)	Surface area of particle (µm^2 cm^−3)	Number of particles (N cm^−3)
5	12000	153000000
20	3016	2400000
250	240	1200
5000	12	0.15