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A continuous-flow, variable mixing valve for perfusion experiments.

D L Cook, D E Hokanson

    Pflugers Archiv : European Journal of Physiology
    |December 28, 1976
    PubMed
    Summary
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    A new low-cost device accurately mixes two solutions for experiments. This reproducible mixing technology is ideal for precise tissue perfusion applications.

    Area of Science:

    • Biomedical Engineering
    • Physiology

    Background:

    • Accurate fluid mixing is crucial for physiological experiments.
    • Existing methods can be complex or expensive.

    Purpose of the Study:

    • To develop and validate a low-cost, precise fluid mixing device.
    • To enable stable and reproducible solution delivery for tissue perfusion.

    Main Methods:

    • A three-way miniature solenoid valve was utilized.
    • A simple electronic circuit controlled the valve.
    • The device was tested at flow rates of 6 ml/min.

    Main Results:

    • Continuous mixing of two solutions was achieved in any ratio.
    • Mixing accuracy was within +/- 1% of the dial setting.

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  • Stable and reproducible results were obtained.

    • Conclusions:

    • The developed device offers a cost-effective solution for precise fluid mixing.
    • It is suitable for demanding applications like tissue perfusion.
    • The technology ensures reliable experimental outcomes.