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. 2022 Jan 13;14(1):185. doi: 10.3390/pharmaceutics14010185

Figure 4.

Figure 4

(A) Infrared spectra for NLC before and after functionalization with Lf protein. Note: Lf was used as a reference to compare with the functionalized nanoparticles. To show the bands of interest, the wavelength scale was limited to the range of 1000 to 2000 cm−1; (B) full infrared spectra of riluzole, Precirol® ATO5, drug–lipid melt, and functionalized NLC.