The FTIR spectroscopy measurements were recorded to characterize the probable participation of the functional groups of cisplatin in synthesized PLGA-cisplatin. The FTIR spectra of PLGA-cisplatin NPs were acquired in an Avatar 330 FTIR spectrometer (Thermo Fisher Scientific, Waltham, MA, USA) over a scale of 4,250–500 cm−1 after adding with KBr pellets [32 (link)].
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