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Application of x-ray microanalysis in reproductive physiology
Scanning Electron Microscopy
|January 1, 1980
Summary
X-ray microanalysis of reproductive tissues like sperm and uterus reveals elemental composition. Specimen preparation significantly impacts the accuracy of these analyses, despite technological advancements.
Area of Science:
- Reproductive biology
- Analytical chemistry
- Microscopy
Background:
- Elemental analysis of reproductive tissues is crucial for understanding physiological processes.
- Previous studies have utilized various microscopy techniques for elemental mapping.
Purpose of the Study:
- To review and compare methods for X-ray microanalysis in reproductive tissues.
- To highlight the impact of specimen preparation on elemental analysis results.
Main Methods:
- X-ray microanalysis using electron probe microanalyser (EPMA) with wavelength dispersive spectrometry (WDS).
- Energy dispersive spectrometers (EDS) coupled with EMMA, TEM, SEM, and STEM instruments.
- Specimen preparation techniques including air drying, fixation, cryoultramicrotomy, freeze substitution, micropuncture, and pipetting.
Main Results:
- Analysis of sperm, testis, prostate, epididymis, and uterus was performed.
- Both WDS and EDS techniques were employed, with recent improvements in spatial resolution and sensitivity.
- Specimen preparation methods varied widely, from simple air drying to complex cryo-techniques.
Conclusions:
- Specimen preparation remains a critical limitation for accurate elemental analysis in reproductive tissues.
- Comparative review of methods aids in selecting optimal procedures for male and female species.
- Advancements in X-ray microanalysis offer improved insights into reproductive tissue elemental composition.