Abstract
We designed a 68Ga labeled Fe3O4 nano-biocomposite for dual applications as diagnostic imaging agent in positron emission tomography (PET)/magnetic resonance imaging (MRI). The nano-biocomposites (68GaNHFCNP) were fabricated via surface modified iron oxide nanoparticles and NOTA as bi-functional chelating agent with 68Ga isotopes from 68Ge/68Ga generator. The structure and morphological properties of nano-biocomposite was characterized by XRD, TEM and IR analysis. 68GaNHFCNPs exhibits very low cytotoxicity and high cellular uptake upon SK-BR-3 and CT-26 cell lines. The advantages of high biocompatibility, magnetism and cell uptake make this composite promising as a potential probe of PET/MRI for effective detection of cancer.
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Acknowledgments
This research was supported by Nuclear R&D Program (2012M2A2A7035, 2010-0025899) and the Converging Research Center Program (2013K000339) and National Research Foundation of Korea (NRF) (20142M2A2A6043061) through the Ministry of Science, ICT and Future Planning.
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Cho, BB., Park, J.H., Jung, S.J. et al. Synthesis and characterization of 68Ga labeled Fe3O4 nanoparticles for positron emission tomography (PET) and magnetic resonance imaging (MRI). J Radioanal Nucl Chem 305, 169–178 (2015). https://doi.org/10.1007/s10967-015-4026-4
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DOI: https://doi.org/10.1007/s10967-015-4026-4