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A new generator for ionic gallium-68

C Loc'h, B Mazièré, D Comar

    Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine
    |February 1, 1980
    PubMed
    Summary

    A new Germanium-68 (Ge-68) to Gallium-68 (Ga-68) generator offers high recovery yields and short elution times for radiopharmaceutical preparation. This tin dioxide/HCl generator minimizes radiotoxicity, enhancing safety in positron emission tomography.

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    Area of Science:

    • Nuclear medicine
    • Radiochemistry
    • Medical imaging

    Background:

    • Positron tomographic techniques are rapidly advancing.
    • There is a growing need for efficient and safe radiopharmaceutical production.

    Purpose of the Study:

    • To develop a novel Germanium-68 (Ge-68) to Gallium-68 (Ga-68) generator.
    • To provide a sterile, ionic Ga-68 solution for radiopharmaceutical synthesis.

    Main Methods:

    • A tin dioxide/1 N HCl generator system was designed.
    • Elution was performed under reduced pressure.
    • The generator's performance was evaluated for yield, elution time, and Ge-68 leakage.

    Main Results:

    • High Ga-68 recovery yields (75-80%) were achieved.
    • Elution time was less than 2 minutes.
    • Minimal Ge-68 leakage (less than 0.0002% per elution) was observed.

    Conclusions:

    • The tin dioxide/HCl generator is effective for producing high-activity Ga-68.
    • The generator is long-lasting and minimizes radiotoxicity in labeled compounds.
    • Ionic Ga-68 from this generator is suitable for various radiopharmaceutical preparations.

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