Table 2 The functional group of SiO2 NPs (A) amorphous, (B) calcinated at 350 °C, (C) calcinated at 600 °C, (D) calcinated at 800 °C, and (E) calcinated at 1000 °C.

From: The synergistic interference effect of silica nanoparticles concentration and the wavelength of ELISA on the colorimetric assay of cell toxicity

SiO2 NPs

Bonds

A

Si–O, Si–OH, Si–O–Si, Si–Cl

B

Si–O, Si–OH, Si–O–Si, Si–Cl, O–H

C

Si–O, Si–O–Si, Si–Cl, Si–H

D

Si–O, Si–OH, Si–O–Si, Si–Cl, O–H, hydroxyl group, ≡Si–O–Si≡

E

Si–O, Si–OH, Si–O–Si, Si–Cl, O–H, hydroxyl group, ≡Si–O–Si≡

Back to article page