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Preparation of Cationic Polydiacetylene Nanovesicles for In Vitro Gene Delivery

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Here, we report novel cationic polydiacetylene-containing nanovesicle system and its application to gene delivery in vitro. The nanovesicle was constructed using a cationic diacetylene monomer lipid (DADMDPA-bis-PCDA) which contains a quaternary ammonium head group. The cationic character of this monomer leads to the electrostatic interaction with genetic materials such as plasmid DNA forming complexes and the diacetylene groups on its hydrophobic moiety provides the further polymerization functionality upon UV irradiation forming polydiacetylene-linkages within the nanovesicle. In the present study, the characteristics of nanovesicle/DNA interaction, and the transfection efficiency and cytotoxicity for the human embryonic kidney cells were characterized and compared between the nonpolymerized and polymerized nanovesicles.
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Document Type: Research Article

Publication date: 2008-10-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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