Journal of Inorganic Materials, Volume. 40, Issue 7, 754(2025)

In vivo Distribution and Metabolism of Calcium Phosphate Nanomaterials Based on Fluorescent Labeling with Rare Earth Europium Ions

Xinli TANG1, Ziyou DING1, Junrui CHEN1, Gang ZHAO2, and Yingchao HAN1、*
Author Affiliations
  • 11. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
  • 22. Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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    Figures & Tables(8)
    PBPK model of tumor-bearing mice
    Characterizations of CaP NDs and CaP NPs
    Biosafety evaluation of CaP NDs and CaP NPs
    Biodistributions of CaP NDs and CaP NPs in different tissues after injection for different durations
    CaP NDs and CaP NPs metabolic patterns in different tissues
    Establishment and optimization of PBPK model for tumor bearing sites
    • Table 1. Elemental content and molar ratio of Eu:CaP NDs and Eu:CaP NPs

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      Table 1. Elemental content and molar ratio of Eu:CaP NDs and Eu:CaP NPs

      SampleValueCa/(mg·L-1) P/(mg·L-1) Eu/(mg·L-1) (Eu/(Ca+Eu))/%(Ca+Eu)/P
      Eu:CaP NDsActual8.724.532.827.861.61
      Theoretical8.001.67
      Eu:CaP NPsActual22.5011.857.237.821.59
      Theoretical8.001.67
    • Table 2. Pharmacokinetic parameters of CaP NDs and CaP NPs in organ and tumor site of tumor-bearing mice

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      Table 2. Pharmacokinetic parameters of CaP NDs and CaP NPs in organ and tumor site of tumor-bearing mice

      SampleParameterLiverSpleenLungKidneyTumor
      CaP NDsAUC(0-t)/(mg·h·L-1)157.7871.3519.3470.6120.31
      CLz/(L·h-1·kg-1)0.0330.0910.2350.1440.146
      CaP NPsAUC(0-t)/(mg·h·L-1)1347.46578.0566.7419.856.07
      CLz/(L·h-1·kg-1)0.0050.0220.0980.3411.796
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    Xinli TANG, Ziyou DING, Junrui CHEN, Gang ZHAO, Yingchao HAN. In vivo Distribution and Metabolism of Calcium Phosphate Nanomaterials Based on Fluorescent Labeling with Rare Earth Europium Ions [J]. Journal of Inorganic Materials, 2025, 40(7): 754

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    Paper Information

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    Received: Dec. 3, 2024

    Accepted: --

    Published Online: Sep. 3, 2025

    The Author Email: Yingchao HAN (hanyingchao@whut.edu.cn)

    DOI:10.15541/jim20240504

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