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Fixation of neural tissue for electron microscopy with an electronically controlled perfusion pump
Tissue & Cell
|January 1, 1987
Summary
This study introduces a novel method for nervous tissue fixation using controlled hydrostatic pressure and flow rate. This technique ensures uniform tissue preservation and allows rapid solution changes for improved experimental outcomes.
Area of Science:
- Neuroscience
- Histology
- Biomedical Engineering
Background:
- Improving mammalian tissue perfusion is crucial for accurate research.
- Osmotic pressure manipulation is a common but limited approach.
Purpose of the Study:
- To present a new method for nervous tissue fixation.
- To enhance tissue preservation uniformity and completeness.
Main Methods:
- Controlling hydrostatic pressure and perfusion solution flow rate.
- Utilizing an electronically controlled perfusion pump for parameter constancy.
- Enabling rapid succession of rinsing and fixation solutions.
Main Results:
- Achieved more uniform and complete preservation of nervous tissues.
- Demonstrated continuous control of hydrostatic pressure during perfusion.
- Facilitated rapid solution exchange for optimized fixation protocols.
Conclusions:
- The described method offers superior control over perfusion parameters compared to osmotic pressure adjustments.
- This technique leads to enhanced preservation quality for nervous tissues.
- The system provides flexibility and precision for histological fixation processes.