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Effective gene transfection without serum deprivation is a prerequisite for successful stem cell-based gene therapy. Polyethylenimine (PEI) is an efficient nonviral gene vector, but its application has been hindered by serum sensitivity and severe cytotoxicity.
Pubmed ID: 22942645
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Handheld gene delivery system that provides direct transfection into a range of targets in vivo. It uses adjustable low pressure helium pulse to sweep DNA, RNA, or biomaterial coated gold microcarriers from a plastic cartridge directly into target cells.
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