Research Article

Antiproliferative Activity of PEG-PEI-SWCNTs against AMJ13 Breast Cancer Cells

Figure 5

FTIR spectrum of functionalized PEG-PEI-SWCNTs. It shows the appearance of C=C, C–N, C=O, and N–H, demonstrating the successful conjugation of amino groups onto the surface of PEG-PEI-SWCNTs.