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. 2020 Apr 22;15:2733–2749. doi: 10.2147/IJN.S249773

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© 2020 Tao et al.

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Illustration of the polyprenol lipid and vitamin E-TPGS-based core-shell type nanoparticles for betulinic acid and fullerenol delivery. (A) Chemical structure of betulinic acid and Ginkgo biloba leaves polyprenol. (B) Preparation scheme of BA-C₆₀(OH)_n-GBP-TPGS-NPs.