Summary
The device described here continuously mixes two solutions in any required ratio and has been used at flow rates of 6 ml/min in tissue perfusion experiments. Its low-cost construction consists of a three-way miniature solenoid valve driven by a simple electronic circuit. Mixing is stable, reproducible and accurate to ±1% of dial setting.
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References
Cook, D. L., Crill, W., Porte, D., Jr.: Biphasic glucose-induced membrane electrical activity in single islet cells (Abstract). Diabetes25 (Suppl. 1), 345 (1976)
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Cook, D.L., Hokanson, D.E. A continuous-flow, variable mixing valve for perfusion experiments. Pflugers Arch. 367, 201–203 (1976). https://doi.org/10.1007/BF00585158
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DOI: https://doi.org/10.1007/BF00585158