Table 1.

Elemental compositions of bare and modified MSNs by XPS analysis.

Elements Groups	C1s (%)	N1s (%)	O1s (%)	Si2p (%)	Total (%)
MSNs	4.74	-	58.58	36.68	100
TA-MSNs	4.40	-	62.82	32.77	100
LF (10 μg)/TA-MSNs	3.81	0.47	60.79	34.93	100
LF (50 μg)/TA-MSNs	3.79	0.72	60.20	35.29	100