MICROORGANISM QUANTITY MEASUREMENT CELL AND MICROORGANISM QUANTITY MEASUREMENT DEVICE COMPRISING SAME
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United States of America Patent
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app pub date -
Feb 26, 2014
filing date -
Sep 7, 2011
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Abandoned
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Abstract
A measurement cell comprises a measurement chamber; an inflow aperture through which a sample liquid flows into the measurement chamber; an outflow aperture through which the sample liquid flows out of the measurement chamber; a measurement electrode which is provided in the measurement chamber at a position toward the outflow aperture, traps microorganisms contained in the sample liquid that flows in the measurement chamber, and to which a measurement AC voltage is applied for measuring the quantity of the microorganisms; a concentration electrode which is provided in the measurement chamber at a position toward the inflow aperture, and to which a concentration-use AC voltage is applied for imparting a repulsive force that guides the microorganisms contained in the sample liquid to the measurement electrode side; and insulators which are provided on the concentration electrode, and on which is formed an electrical field convergence unit that produces a repulsive force in a portion of the insulators when the concentration-use AC voltage is applied to the concentration electrode.
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