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Production of 52Mn using a semi-automated module
Jennifer M Pyles1, Adriana V F Massicano2, Jean-Pierre Appiah2
1Department of Radiology, The University of Alabama at Birmingham, Birmingham, AL, USA; Department of Chemistry, The University of Alabama at Birmingham, Birmingham, AL, USA.
Summary
Researchers optimized the production and purification of manganese-52 (52Mn), a positron emitter crucial for medical imaging. This study details a semi-automated method achieving high recovery rates for 52Mn.
Area of Science:
- Nuclear Chemistry
- Radiopharmaceutical Production
- Medical Imaging
Background:
- Manganese-52 (52Mn) is a positron-emitting isotope with a half-life of 5.6 days.
- It holds potential for diagnostic applications in nuclear medicine.
- Efficient production and purification methods are essential for its clinical use.
Purpose of the Study:
- To develop and optimize the production and purification process for 52Mn.
- To evaluate the efficiency of different purification systems for 52Mn recovery.
- To establish a semi-automated method for routine 52Mn production.
Main Methods:
- Production of 52Mn via the natCr(p,n)52Mn nuclear reaction using a TR24 cyclotron.
- Purification of 52Mn using semi-automated systems with two-column and three-column configurations.
- Quantification of 52Mn recovery and processing times.
Main Results:
- The two-column purification system yielded a 52Mn recovery of 79.7 ± 6.2% in 6.9 ± 0.5 hours.
- The three-column purification system achieved a 52Mn recovery of 70.8 ± 3.3% in 8.2 ± 0.6 hours.
- Both systems demonstrated effective purification of 52Mn.
Conclusions:
- The semi-automated purification systems provide efficient methods for obtaining high-purity 52Mn.
- The two-column system offers a faster processing time with comparable recovery to the three-column system.
- These optimized methods support the clinical availability of 52Mn for positron emission tomography (PET) imaging.
