highly significantp < 0.01
Differences were deemed statistically significant at *p < 0.05, highly significant at **p < 0.01, and extremely significant at ***p < 0.001. 3 Results and discussion 3.1 The FT-IR and 1 H NMR spectrums of pure PTMC and 5-FU-loaded PTMC membranes Figures 1A, B presented the FT-IR and 1 H NMR spectra of the pure PTMC membranes and the 5-FU-loaded PTMC membranes.