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. 2022 Aug 17;17:3655–3670. doi: 10.2147/IJN.S368528

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© 2022 Song et al.

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Characterization of the DSPE-PEG₂₀₀₀-Ang. The UV (A) and FT-IR spectra (B) of angiopep-2, DSPE-PEG₂₀₀₀-Mal and DSPE-PEG₂₀₀₀-Ang; ¹H-NMR spectra of angiopep-2 (C1), DSPE-PEG₂₀₀₀-Mal (C2) and DSPE-PEG₂₀₀₀-Ang (C3).

Abbreviations: UV, ultraviolet; FT-IR, fourier transform infrared spectroscopy; ¹H NMR, nuclear magnetic resonance H spectrum.