Control of Aggregate Size of Polyethyleneimine-Coated Magnetic Nanoparticles for Magnetofection
被引:86
作者:
Wang, Xiaoliang
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Shanghai Jiao Tong Univ, Nano Biomed Res Ctr, Med X Res Inst, Shanghai 200030, Peoples R ChinaShanghai Jiao Tong Univ, Nano Biomed Res Ctr, Med X Res Inst, Shanghai 200030, Peoples R China
Wang, Xiaoliang
[1
]
Zhou, Linzhu
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Shanghai Jiao Tong Univ, Nano Biomed Res Ctr, Med X Res Inst, Shanghai 200030, Peoples R ChinaShanghai Jiao Tong Univ, Nano Biomed Res Ctr, Med X Res Inst, Shanghai 200030, Peoples R China
Zhou, Linzhu
[1
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Ma, Yongjie
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Shanghai Jiao Tong Univ, Nano Biomed Res Ctr, Med X Res Inst, Shanghai 200030, Peoples R ChinaShanghai Jiao Tong Univ, Nano Biomed Res Ctr, Med X Res Inst, Shanghai 200030, Peoples R China
Ma, Yongjie
[1
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Li, Xu
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Shanghai Jiao Tong Univ, Nano Biomed Res Ctr, Med X Res Inst, Shanghai 200030, Peoples R ChinaShanghai Jiao Tong Univ, Nano Biomed Res Ctr, Med X Res Inst, Shanghai 200030, Peoples R China
Li, Xu
[1
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Gu, Hongchen
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Shanghai Jiao Tong Univ, Nano Biomed Res Ctr, Med X Res Inst, Shanghai 200030, Peoples R ChinaShanghai Jiao Tong Univ, Nano Biomed Res Ctr, Med X Res Inst, Shanghai 200030, Peoples R China
Gu, Hongchen
[1
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机构:
[1] Shanghai Jiao Tong Univ, Nano Biomed Res Ctr, Med X Res Inst, Shanghai 200030, Peoples R China
Using magnetic nanoparticles to enhance gene transfection, a recently developed technique termed magnetofection, has been shown to be a powerful technology in gene delivery. The most widely used magnetic nanoparticles in this area are those coated with polyethyleneimine, which is a well known non-viral transfection agent. In this article, we report methods to control the aggregate size of polyethyleneimine-coated magnetite particles. These particles were then used to enhance transfection of green fluorescent protein (GFP) into NIH 3T3 cells in vitro. We find that the aggregate size of the particles has a great effect on their performance in magnetofection, with less aggregated magnetic particles being more effective in enhancing the gene transfection.
机构:Univ Calif San Francisco, Sch Pharm, Dept Biopharmaceut Sci, San Francisco, CA 94143 USA
Li, Weijun
;
Szoka, Francis C., Jr.
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Univ Calif San Francisco, Sch Pharm, Dept Biopharmaceut Sci, San Francisco, CA 94143 USAUniv Calif San Francisco, Sch Pharm, Dept Biopharmaceut Sci, San Francisco, CA 94143 USA
机构:Univ Calif San Francisco, Sch Pharm, Dept Biopharmaceut Sci, San Francisco, CA 94143 USA
Li, Weijun
;
Szoka, Francis C., Jr.
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Univ Calif San Francisco, Sch Pharm, Dept Biopharmaceut Sci, San Francisco, CA 94143 USAUniv Calif San Francisco, Sch Pharm, Dept Biopharmaceut Sci, San Francisco, CA 94143 USA