Table 1

Sample	[COOH] loading (mmols/100mg)	Riluzole		DIC (µl)
		Mass/mg	mmols
Ox-MWCNT_@40 Ox-MWCNT_@60 Ox-MWCNT_@100	0.011 0.0198 0.0356	3.86 6.96 12.51	0.016 0.030 0.053	1.72 3.10 5.57

Table 1: COOH loading as calculated from the acid-base titrations and amounts of riluzole and DIC used during the amidation process.