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. 2021 Jun 2;28(1):1055–1066. doi: 10.1080/10717544.2021.1931560

Figure 2.

Figure 2.

1H NMR of HA (A), HA-AEM (B), PEI (C), PEI-PLG (D), HA-P-PEI(E), and HA-PEI (F) in D2O.