Research Article

Development and Characterization of Photoinduced Acrylamide-Grafted Polylactide Films for Biomedical Applications

Figure 4

FTIR spectra of neat (i), blank (ii), and grafted PLA (iii) films in the C-H stretching vibrational region (a), the C=O stretching vibration region (b), and the skeletal vibration region (c), indicating changes in conformations and crystalline characteristics of the film samples.
(a) ATR
(b) ATR
(c) Transmission