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Preparation of Anti-Sperm Protein 17 Immunomagnetic Nanoparticles for Targeting Cell

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Poly(ethylene glycol) was functionalized with carboxyl groups by esterification with succinic anhydride in the media of dioxane and pyridine as catalyst. Maghemite nanoparticles were synthesized by chemical coprecipitation and coated with carboxylated poly(ethylene glycol) to improve their biocompatibility. And the properties were characterized using Fourier transform infrared spectroscopy, Transmission electronic microscopy, X-ray diffraction, Zeta potential analyzer and Vibrating sample magnetometer. The immunomagnetic nanoparticles were obtained by grafting anti-sperm protein 17 monoclonal antibody onto the surface of carboxylated poly(ethylene glycol) coated maghemite nanoparticles by covalent bonds. After incubated with human sperm protein 17 gene transfected ovarian cancer HO8910 cells, the immunomagnetic nanoparticles were targeted successfully to the positive cells and no obviously non-specific adsorption occured. It is of significance to target to the cell successfully for diagnosis and therapy of ovarian carcinoma such as magnetic resonance imaging and magnetic hyperthermia.
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Document Type: Research Article

Publication date: 2008-05-01

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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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