Fig. 3From: In vitro drug release characteristic and cytotoxic activity of silibinin-loaded single walled carbon nanotubes functionalized with biocompatible polymersFESEM images of (a) SWCNT-COOH, (b) SWSB-T20, (c) SWSB-T80, (d) SWSB-PEG and (e) SWSB-CS at magnification 100 k×Back to article page