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Updated: Aug 17, 2026
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Radiolabeling and Quantification of Cellular Levels of Phosphoinositides by High Performance Liquid Chromatography-coupled Flow Scintillation
Published on: January 6, 2016
Development of MCTS technique for 3-PM liquid scintillation counting
Summary
A new multi-channel time scaling method accurately measures beta-emitting nuclides using liquid scintillation counting. This technique simplifies calculating true coincidences by directly obtaining accidental coincidences, improving activity measurements.
Area of Science:
- Nuclear Physics
- Radiochemistry
- Analytical Chemistry
Background:
- Liquid scintillation counting (LSC) is crucial for measuring beta-emitting nuclides.
- Accurate determination of coincidences is essential for precise activity measurements in LSC.
Purpose of the Study:
- To develop and validate a multi-channel time scaling method for enhanced activity measurement of beta emitters.
- To simplify the calculation of true coincidences in LSC by directly obtaining accidental coincidences.
Main Methods:
- Utilized a multi-channel time scaling approach with non-extending dead times and linear amplifiers.
- Employed 3-PM Liquid Scintillation Counting for activity measurements.
- Directly obtained accidental coincidences to correct for dead time effects.
Main Results:
- The developed method accurately determines true double and triple coincidence values.
- Activity measurements of 204Tl and 14C demonstrated the method's advantages.
- Measured results showed good agreement with theoretical calculations.
Conclusions:
- The multi-channel time scaling method offers a simplified and accurate approach for beta nuclide activity measurement.
- This technique enhances precision in LSC by effectively managing dead time and coincidence calculations.
