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Hyperpolarized 13C Metabolic Magnetic Resonance Spectroscopy and Imaging
Published on: December 30, 2016
Sensitivity analysis techniques applied to a revised model of molybdenum biokinetics
A Luciani1, A Giussani, M C Cantone
1ENEA-Radiation Protection Institute, 16, Via dei Colli, 40136 Bologna, Italy. LUCIANI@BOLOGNA.ENEA.IT
Radiation Protection Dosimetry
|October 7, 2003
Summary
A revised human molybdenum biokinetics model was developed. Sensitivity analysis shows early data (0-7h) is crucial for blood clearance, while later data refines urinary excretion understanding.
Area of Science:
- Biokinetics and Metabolism
- Radiation Protection
- Trace Element Research
Background:
- A revised human molybdenum biokinetics model has been developed using stable tracer data.
- This model is valuable for radiation protection and guiding future research.
Purpose of the Study:
- To identify key parameters in the molybdenum biokinetics model through sensitivity analysis.
- To optimize data collection strategies for improving model accuracy.
Main Methods:
- Performed a standard sensitivity analysis on model parameters affecting urinary excretion and blood clearance.
- Utilized a novel generalized sensitivity function approach combining output and parameter estimate sensitivities.
Main Results:
- Early data (within 7 hours) significantly influences blood clearance parameter accuracy.
- Later time-course data is essential for accurately characterizing urinary excretion.
Conclusions:
- The sensitivity analysis provides critical insights into optimizing molybdenum biokinetics studies.
- Specific data collection windows are identified as vital for refining model parameters related to excretion and clearance.
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