Figure 6
From: Noncovalent functionalization of carbon nanotubes as a scaffold for tissue engineering

UV–Vis spectra of (A) Py-OH, MWCNTs-Py-OH, SWCNTs-Py-OH, and (B) Py-COOH, MWCNTs-Py-COOH, SWCNTs-Py-COOH.
From: Noncovalent functionalization of carbon nanotubes as a scaffold for tissue engineering

UV–Vis spectra of (A) Py-OH, MWCNTs-Py-OH, SWCNTs-Py-OH, and (B) Py-COOH, MWCNTs-Py-COOH, SWCNTs-Py-COOH.