Research on the Targeted Treatment of Squamous Cell Carcinoma by Nanographene Drug Delivery System

Figure 3

FTIR spectra of NGO-PEG-BPEI and NGO-PEG-BPEI-CDDP. The absorption peaks of NGO-PEG-BPEI are 3372 cm⁻¹, 3240 cm⁻¹, 2932 cm⁻¹, 1619 cm⁻¹, and 1097 cm⁻¹; the absorption peaks of NGO-PEG-BPEI-CDDP are 3358 cm⁻¹, 2880 cm⁻¹, 1629 cm⁻¹, 1250 cm⁻¹, 1105 cm⁻¹, and 831 cm⁻¹.