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. 2020 Nov 24;15:9373–9387. doi: 10.2147/IJN.S272750

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© 2020 Jiang et al.

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Infrared spectrograms of (A) PLGA NPs, (B) 2-HP-β-CD/PLGA NPs, (C) trehalose/PLGA NPs, and (D) chitosan oligosaccharide/PLGA NPs.

Abbreviations: NPs, nanoparticles; 2-HP-β-CD, 2-hydroxypropyl-β-cyclodextrin.