Ga68 ホットセル 陽子放出放射性核粒子は,PETイメージングに広く使用されています

核 放射線 防止
August 18, 2025
Category Connection: 核 放射線 防止
Brief: Discover the Ga68 Hot cell, a positron-emitting radionuclide widely used in PET imaging. Learn about its production, applications, and the essential role of shielded hot cells in safe handling and synthesis of ⁶⁸Ga for clinical diagnostics.
Related Product Features:
  • Ga68 is a positron-emitting radionuclide essential for PET/CT imaging.
  • Produced via a ⁶⁸Ge/⁶⁸Ga generator with a half-life of 68 minutes.
  • 0.1M HCl中で⁶⁸GaCl₃として溶出し、1回の溶出あたり約1~2 GBqが得られます。
  • Shielded hot cells ensure safe handling and synthesis of ⁶⁸Ga.
  • Widely used in nuclear medicine for radiopharmaceutical production.
  • Simpler preparation compared to 18F radiochemistry.
  • Long half-life of ⁶⁸Ge (271 days) allows generator usage for months.
  • High-energy annihilation photon of 511 keV requires radiation safety measures.
FAQ:
  • What is the primary use of Ga68 in medical imaging?
    Ga68 is primarily used in PET/CT imaging for clinical diagnostics, especially in gallium-labeled somatostatin analogs for tumor detection.
  • How is Ga68 typically produced?
    Ga68 is produced using a ⁶⁸Ge/⁶⁸Ga generator, which elutes ⁶⁸GaCl₃ in 0.1M HCl, providing a convenient and efficient source for medical applications.
  • Why are shielded hot cells necessary for Ga68 handling?
    Shielded hot cells are essential to protect operators from radiation exposure during the synthesis and dispensing of ⁶⁸Ga, ensuring safety in high-energy radiopharmaceutical preparation.