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Cationic lipids are being widely used for cell transfection in vitro. The lipid/DNA complexes, however, tend to aggregate into large and polydisperse particle mixtures; this hampers their use in vivo. Cationic detergents, on the contrary, do not mediate cell transfection per se, yet are capable of condensing individual DNA molecules into discrete entities.(More)
The size of condensed DNA particles is a key determinant for in vivo diffusion and gene delivery to cells. Gene molecules can be individually compacted by cationic thiol detergents into nanometric particles that are stabilized by oxidative conversion of the detergent into a gemini lipid. To reach the other goal, gene delivery, a series of cationic thiol(More)
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