Functionalization of Hollow Mesoporous Silica Nanoparticles for Improved 5-FU Loading

Table 2

Structure parameters of functionalized and nonfunctionalized HMSNs.

HMSNs	HMSN-CH3	HMSN-CN	HMSN-NH2	HMSN-COOH	Plain HMSNs
Pore size (nm)	2.51	2.28	2.47	2.61	2.78
Pore volume (cm^3/g)	0.43	0.50	0.43	0.47	0.53
Surface area (m^2/g)	434	514	413	498	820