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. 2015 May 21;10(5):e0127011. doi: 10.1371/journal.pone.0127011

Fig 3. Fourier transformed infrared spectra of nanoparticles.

Fig 3

FTIR spectra of Cm-NPs (red), Em-NPs (blue) and free PLGA-NPs (black) showing overlapping peaks of C = O stretching, corresponding to PLGA. Distinct—OH and—NH stretching peaks characteristic of curcumin and emetine, respectively are also shown.