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Gene therapy has shown great potential in the treatment of various diseases, and the development of low-toxic and efficient gene carriers is still one of the burning issues for gene therapy. PEGylation is generally regarded as an efficient strategy to improve the biocompatibility of non-viral vectors. However, PEGylation also led to several problems such as lower cellular uptake, difficult endosomal...
Hyperbranched aromatic polyamide grafted nano-silica particles were successfully prepared via “one-pot” melt polycondensation. The particles were firstly treated with a silane coupling agent to introduce amine groups as the growth points, and then grafting of the hyperbranched polymers started from the modified surface. The percentage grafting can be as high as 32.8%. The key reaction conditions,...
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