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. 2021 Dec 21;14(1):5. doi: 10.3390/cancers14010005

Figure 2.

Figure 2

Scheme of synthesis of the PLGA-PLL-DMA copolymer. The continuous red line ring evidences the formation of β-carboxyamide bond which can be hydrolyzed at pH 6.8 in NH2 (red dotted line ring) and DMA.