Reusable gels for germanium-68 sources

Reusable gels for germanium-68 sources

Two water-soluble gels, gelatin and Carbowax, were mixed with radioactive 68Ge solutions and evaluated for their use as long-lived (half-life, 280 days) radioactive sources. These gels melt at 40–50°C and solidify at room temperature. The amount of 68Ge mixed with them can be increased or decreased...

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Veröffentlicht in:International journal of radiation applications and instrumentation. Part A, Applied radiation and isotopes Applied radiation and isotopes, 1991, Vol.42 (11), p.1111-1114
Hauptverfasser: Tilbury, Roy S., Broussard, William F., Youngerman, Martha J., Nguyen, Dai, Kim, E.Edmund
Format: Artikel
Sprache:eng
Schlagworte:
Gelatin
Gels
Germanium - chemistry
Radioisotopes - chemistry
Temperature
Tomography, Emission-Computed
Waxes
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Beschreibung
Zusammenfassung:Two water-soluble gels, gelatin and Carbowax, were mixed with radioactive 68Ge solutions and evaluated for their use as long-lived (half-life, 280 days) radioactive sources. These gels melt at 40–50°C and solidify at room temperature. The amount of 68Ge mixed with them can be increased or decreased as needed, eliminating waste of 68Ge. These gel sources also may replace short-lived 68Ga (half-life 68 min) as attenuation correction sources in positron emission tomography (PET) and reduce frequency of source preparation, thus reducing exposure of PET operators to radiation.
ISSN:0883-2889
DOI:10.1016/0883-2889(91)90023-T