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首页> 外文期刊>Journal of Radioanalytical and Nuclear Chemistry: An International Journal Dealing with All Aspects and Applications of Nuclear Chemistry >Synthesis and characterization of Ga-68 labeled Fe3O4 nanoparticles for positron emission tomography (PET) and magnetic resonance imaging (MRI)
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Synthesis and characterization of Ga-68 labeled Fe3O4 nanoparticles for positron emission tomography (PET) and magnetic resonance imaging (MRI)

机译:Ga-68标记的Fe3O4纳米粒子的合成与表征,用于正电子发射断层扫描(PET)和磁共振成像(MRI)

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摘要

We designed a Ga-68 labeled Fe3O4 nano-biocomposite for dual applications as diagnostic imaging agent in positron emission tomography (PET)/magnetic resonance imaging (MRI). The nano-biocomposites ((GaNHFCNP)-Ga-68) were fabricated via surface modified iron oxide nanoparticles and NOTA as bi-functional chelating agent with Ga-68 isotopes from Ge-68/Ga-68 generator. The structure and morphological properties of nano-biocomposite was characterized by XRD, TEM and IR analysis. (68)GaNHFCNPs 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.
机译:我们设计了一种Ga-68标记的Fe3O4纳米生物复合材料,可在正电子发射断层扫描(PET)/磁共振成像(MRI)中作为诊断成像剂双重应用。通过表面修饰的氧化铁纳米粒子和作为双功能螯合剂的NOTA与来自Ge-68 / Ga-68发生器的Ga-68同位素制备了纳米生物复合材料((GaNHFCNP)-Ga-68)。通过XRD,TEM和IR分析表征了纳米生物复合材料的结构和形貌。 (68)GaNHFCNP对SK-BR-3和CT-26细胞系表现出非常低的细胞毒性和高细胞摄取。高生物相容性,磁性和细胞吸收的优势使这种复合材料有望成为有效检测癌症的PET / MRI潜在探针。

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