Related Experiment Videos
X-ray analysis of biological fluids: an update
1Department of Medicine, University of British Columbia, Vancouver, Canada.
Scanning Microscopy
|December 1, 1988
Summary
X-ray analysis quantifies elements in biological fluids and tissues. New methods using X-ray analysis of solid tissue will advance understanding of kidney transport properties.
Area of Science:
- Biomedical Science
- Analytical Chemistry
- Physiology
Background:
- X-ray analysis has been a validated technique for over 20 years.
- It quantifies elements like sodium, potassium, chloride, calcium, magnesium, and phosphorus in biological fluids.
- Electron microprobe analysis has significantly advanced the understanding of renal transport.
Purpose of the Study:
- To highlight the established role of X-ray analysis in biological fluid quantification.
- To emphasize the contribution of electron microprobe analysis to renal transport research.
- To introduce novel X-ray analysis approaches for solid tissue investigation.
Main Methods:
- Accurate pipetting of small sample volumes (50-150 pL).
- Drying samples to form crystalline deposits.
- Quantitation via comparison of X-ray intensities with standards.
Main Results:
- Established quantification of major elements in biological fluids.
- Provided insights into physiological and pathological influences on renal tubular handling.
- Demonstrated the utility of electron microprobe analysis in renal research.
Conclusions:
- X-ray analysis is a reliable method for elemental quantification in biological samples.
- Electron microprobe analysis has been crucial for understanding kidney function.
- New X-ray analysis techniques promise to enhance knowledge of transport properties in various tissues.