A Review on Characterizations and Biocompatibility of Functionalized Carbon Nanotubes in Drug Delivery Design

Figure 2

Fourier transform infrared (FTIR) spectra of (a) as-received SWCNT; (b) SWCNT functionalized with carboxylic acid; (c) DOX; (d) DOX-loaded SWCNT, and (e) DOX-loaded SWCNT encapsulated with chitosan-folic acid conjugate, respectively. Reproduced with permission from [45].