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. 2022 Dec 22;7(1):38–55. doi: 10.1038/s41551-022-00972-5

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — NtL-ButM consists of the neutral block copolymer pHPMA-b-pBMA and Neg-ButM consists of the anionic block copolymer pMAA-b-pBMA. a, Synthetic route of pHPMA-b-pBMA and pMAA-b-pBMA, and fabrication of polymeric micelles. Top: NtL-ButM contains a hydrophilic (HPMA) block as the micelle corona, while a hydrophobic (BMA) block forms the micelle core. Bottom: Neg-ButM contains a hydrophilic (MAA) block that forms a negatively charged micelle corona, and the same hydrophobic (BMA) block as NtL-ButM. b,c, CryoEM images show the spherical structures of micelles NtL-ButM (b) or Neg-ButM (c). d, Table summarizing the characterization of micelles NtL-ButM and Neg-ButM, including hydrodynamic diameter and z-potential from DLS, critical micelle concentration, radius of gyration and aggregation number from SAXS.

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