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Updated: May 7, 2026

Assembly and Characterization of Polyelectrolyte Complex Micelles
Published on: March 2, 2020
Co-delivery of drug and DNA from cationic dual-responsive micelles derived from poly(DMAEMA-co-PPGMA)
Xian Jun Loh1, Shi Jie Ong, Yin Ting Tung
1Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 3 Research Link, Singapore 117602, Singapore.
Abstract:
The synthesis and gene transfection efficiency of a series of amphiphilic copolymers with poly(dimethylaminoethyl methacrylate) (PDMAEMA), and poly(propylene glycol methacrylate) (PPGMA) segments is reported. The hydrophobic PPGMA interior allows a cell-sensitizing drug such as paclitaxel to be incorporated while the cationic and hydrophilic PDMAEMA corona allows the complexation of anionic DNA to form a nano-sized polyplex. These drug-encapsulated copolymers display excellent gene transfection efficiency as compared to PEI or PDMAEMA homopolymers.
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