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Calibration setting numbers for dose calibrators for the PET isotopes (52)Mn, (64)Cu, (76)Br, (86)Y, (89)Zr, (124)I
A Lake Wooten1, Benjamin C Lewis2, Daniel J Szatkowski3
1Mallinckrodt Institute of Radiology, Washington University School of Medicine in Saint Louis, 4540 Parkview Place, Campus Box 8225, Saint Louis, MO 63110, United States; Department of Biomedical Engineering, Washington University in Saint Louis, Campus Box 1097, 1 Brookings Drive, Saint Louis, MO 63130, United States.
Abstract:
For PET radionuclides, the radioactivity of a sample can be conveniently measured by a dose calibrator. These devices depend on a "calibration setting number", but many recommended settings from manuals were interpolated based on standard sources of other radionuclide(s). We conducted HPGe gamma-ray spectroscopy, resulting in a reference for determining settings in two types of vessels containing one of several PET radionuclides. Our results reiterate the notion that in-house, experimental calibrations are recommended for different radionuclides and vessels.
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