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. 2019 Feb 25;7:93. doi: 10.3389/fchem.2019.00093

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Copyright © 2019 Wang, Huang, Su and Ger.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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PNDU/CM-Dex-Fe₃O₄ chemical equation. First, the carboxyl group on the CM-Dextran/Fe₃O₄ was activated, and PNDU-NHNH₂ was added to enable the carboxyl group, and the amine group to be grafted. EDC and N-Hydroxysuccinimide were used to activate the carboxyl group of CM-Dex/Fe₃O₄.