Table of Contents
Polymers, Volume 9, Issue 11 (November 2017)
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Cover Story (view full-size image) A new copolymer with a temperature-responsive block and a cationic block was prepared by reversible [...] Read more. A new copolymer with a temperature-responsive block and a cationic block was prepared by reversible addition–fragmentation chain transfer (RAFT) polymerization. The temperature-responsive block of di(ethylene glycol) methyl ether methacrylate (DEGMA) and oligo(ethylene glycol) methyl ether methacrylate (OEGMA) has tunable volume phase transition temperature depending on the DEGMA/OEGMA ratio. The cationic block of trimethyl-2-methacroyloxyethylammonium chloride (TMEC) is charged at physiological pH values and was used for binding single strand DNA. The copolymer forms coacervate complexes with the DNA, which were characterized by fluorescence correlation spectroscopy (FCS) and fluorescence spectroscopy. The new materials offer good prospects for application in controlled gene delivery. View the paper here.