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Updated: May 4, 2026

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Synthesis of 68Ga Core-doped Iron Oxide Nanoparticles for Dual Positron Emission Tomography /T1Magnetic Resonance Imaging
Published on: November 20, 2018
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In situ 111In-doping for achieving biocompatible and non-leachable 111In-labeled Fe3O4 nanoparticles
Jianfeng Zeng1, Bing Jia, Ruirui Qiao
1Institute of Chemistry, Chinese Academy of Sciences, Bei Yi Jie 2, Zhong Guan Cun, Beijing 100190, China. gaomy@iccas.ac.cn.
Abstract:
The present study reports a new approach for synthesizing (111)In-radiolabeled biocompatible Fe3O4 nanoparticles. Radioactive (111)In is doped in situ into the lattice of Fe3O4 nanoparticles to achieve robust radiolabeling for accurately tracing PEGylated Fe3O4 particles in vivo.

