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. 2021 Aug 14;16:5513–5529. doi: 10.2147/IJN.S322688

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© 2021 Li et al.

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Mean hydrodynamic diameter determined by DLS, and TEM images of 1-NPs (A–C) and 2-NPs (D–F).

Abbreviations: DLS, dynamic light scattering; TEM, transmission electron microscope; NPs, nanoparticles.