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- W1975700774 abstract "Cationic polymers have been of interest and importance as nonviral gene delivery carriers. Herein, well-defined comb-shaped cationic copolymers (HPDs) composed of long biocompatible hydroxypropyl cellulose (or HPC) backbones and short poly((2-dimethyl amino)ethyl methacrylate) (or P(DMAEMA)) side chains were prepared as gene vectors via atom transfer radical polymerization (ATRP) from the bromoisobutyryl-terminated HPC biopolymers. The P(DMAEMA) side chains of HPDs can be further partially quaternized to produce the quaternary ammonium HPDs (QHPDs). HPDs and QHPDs were assessed in vitro for nonviral gene delivery. HPDs exhibit much lower cytotoxicity and better gene transfection yield than high-molecular-weight P(DMAEMA) homopolymers. QHPDs exhibit a stronger ability to complex pDNA, due to increased surface cationic charges. Thus, the approach to well-defined comb-shaped cationic copolymers provides a versatile means for tailoring the functional structure of nonviral gene vectors to meet the requirements of strong DNA-condensing ability and high transfection capability." @default.
- W1975700774 created "2016-06-24" @default.
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- W1975700774 date "2009-07-31" @default.
- W1975700774 modified "2023-10-16" @default.
- W1975700774 title "Comb-Shaped Copolymers Composed of Hydroxypropyl Cellulose Backbones and Cationic Poly((2-dimethyl amino)ethyl methacrylate) Side Chains for Gene Delivery" @default.
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- W1975700774 doi "https://doi.org/10.1021/bc900044h" @default.
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