A comparison of the physicochemical properties and cytotoxicities of DFNS, MCM-41, SBA-15, Stöber silica and MSN.

Name	DFNS	MCM-41	SBA-15	Stöber silica	MSN
Pore structure
TEM
Pore sizes (nm)	3–25	30	5–50	1.2–5.9	2.88–9.92
Pore volume (cm3 g−1)	0.54–2.18	0.7–1.2	0.75–1.15	0.017–0.217	0.85–0.95
Thermal stability (°C)	950	707	600	NA	NA
Particle size (nm)	14–1110	Bulk (μm)	Bulk (μm)	20–3000	78–443
Cytotoxic potential	Low	Low	Low	High	Low