Ga68 Radionucléide émettant des positrons à cellule chaude largement utilisé dans l'imagerie PET

Protection contre les radiations nucléaires
August 18, 2025
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.
  • Élution sous forme de 68 GaCl3 dans 0,1 M HCl, avec un rendement de ~1-2 GBq par élution.
  • 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.