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. 2018 Jun 19;13:3507–3527. doi: 10.2147/IJN.S166445

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© 2018 Chen et al. This work is published and licensed by Dove Medical Press Limited

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In vitro release profiles of PP-RH-NPs, PPP-RH-NPs and RH-sol in PBS (pH 7.4).

Notes: PP-RH-NPs, RH-loaded PEG-PCL nanoparticles; PPP-RH-NPs, RH-loaded PEG-PCL-PEI nanoparticles.

Abbreviations: PEG-PCL, polyethyleneglycol-co-polycaprolactone; PEG-PCL-PEI, polyethyleneglycol-co-polycaprolactone-co-polyethylenimine; RH, rhein; RH-sol, RH solution.