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Related Experiment Videos

A simple method of lung perfusion fixation.

J J Coalson

    The Anatomical Record
    |February 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    This study presents a simple, adaptable perfusion apparatus for biological research. The technique allows for controlled perfusion of buffer and fixative solutions at 37°C without requiring complex equipment.

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    Area of Science:

    • Physiology
    • Surgical Techniques
    • Laboratory Equipment

    Background:

    • Perfusion techniques are crucial for maintaining tissue viability and function ex vivo.
    • Existing perfusion systems can be complex and require specialized equipment.
    • Standardized methods for perfusate preparation and delivery are needed for reproducible research.

    Purpose of the Study:

    • To describe a simple, modified perfusion apparatus for biological studies.
    • To detail a perfusion technique applicable to animal models, such as cats.
    • To demonstrate controlled perfusion using readily available laboratory equipment.

    Main Methods:

    • A modified perfusion apparatus was constructed using components from standard laboratory equipment.
    • Buffer and fixative solutions were stored in closed reservoirs under controlled pressure (20 mm Hg).

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  • Perfusate temperature was maintained at 37°C, and oncotic-osmotic characteristics were analyzed.

    • Main Results:

    • The apparatus allows for precise monitoring and control of perfusion pressure using a sphygmomanometer and air control valve.
    • The system successfully perfuses solutions at a controlled temperature (37°C).
    • The described technique is effective in a feline model, demonstrating its applicability.

    Conclusions:

    • A simple, cost-effective perfusion apparatus can be reliably used for physiological and experimental studies.
    • The technique offers controlled perfusion conditions without the need for sophisticated or expensive instrumentation.
    • This method provides a valuable tool for researchers requiring controlled perfusion in various biological applications.