Table 1.

IC50 Values of the VPA and MSNs

IC50 (M ± SD)	VPA (mg/l)	MSNs (mg/l)	VPA-MSN (mg/l)
C6 12 h	77,387 ± 11,624	37,550 ± 15,500	58,456 ± 18,205
U87 12 h	55,415 ± 24,484	28,279 ± 11,175	52,923 ± 22,632
C6 24 h	51,731 ± 10,796	71,729 ± 12,546	54,067 ± 24,829
U87 24 h	80,096 ± 3654	76,343 ± 10,539	46,757 ± 6148