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Selenium in human urine: concentration levels and medical implications
Clinica Chimica Acta; International Journal of Clinical Chemistry
|January 31, 1984
Summary
This study reviews human urine selenium levels and chemical forms. Urinary selenium analysis is crucial for assessing selenium status in individuals.
Area of Science:
- Environmental Science
- Human Physiology
- Analytical Chemistry
Background:
- Selenium is an essential trace element with varying dietary intake.
- Understanding selenium's chemical forms in urine is key to interpreting its biological role.
- Urinary selenium levels reflect recent exposure and nutritional status.
Purpose of the Study:
- To present selenium concentration data from human urine samples.
- To critically review existing literature on selenium's chemical species in urine.
- To discuss the medical implications of urinary selenium determination.
Main Methods:
- Compilation of daily selenium excretion data from diverse populations.
- Literature review focusing on analytical methods for selenium speciation in urine.
- Analysis of factors influencing urinary selenium levels.
Main Results:
- Provided reference values for selenium concentration in human urine.
- Cataloged various selenium species identified in urine.
- Summarized excretion levels across healthy and specific conditions.
Conclusions:
- Urinary selenium concentration is a valuable biomarker for assessing selenium status.
- Further research into selenium speciation can refine health assessments.
- Standardized methods for urinary selenium analysis are important for clinical practice.