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.