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Method for measuring hematocrit levels, quantitative analysis method using said measurement method, and sensor chip

A sensor chip and hematocrit technology, which is applied in the direction of measuring devices, analyzing materials, and material analysis through electromagnetic means, can solve the problems of increasing the cost of hematocrit value measurement and achieve low-cost effects

Inactive Publication Date: 2014-07-23
MURATA MFG CO LTD
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Problems solved by technology

Therefore, redox substances are required in the measurement of the hematocrit value of the blood sample, resulting in an increase in the cost of measuring the hematocrit value

Method used

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  • Method for measuring hematocrit levels, quantitative analysis method using said measurement method, and sensor chip
  • Method for measuring hematocrit levels, quantitative analysis method using said measurement method, and sensor chip
  • Method for measuring hematocrit levels, quantitative analysis method using said measurement method, and sensor chip

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Embodiment Construction

[0046] refer to Figure 1 to Figure 6 One embodiment of the quantitative analysis method of the present invention will be described.

[0047] figure 1 is a diagram showing an example of a biosensor system used in the quantitative analysis method of the present invention. figure 2 It is a figure which shows an example of a sensor chip, (a) is an exploded perspective view, (b) is a perspective view. image 3 It is an enlarged view of the main part of the electrode layer of the sensor chip. Figure 4 It is a graph showing an example of the potential applied to the measuring electrode based on the measuring electrode. Figure 5 is a graph showing an example of the response current. Image 6 It is a flowchart showing an example of measurement processing.

[0048]

[0049] Such as Figure 1 ~ Figure 3 As shown, the biosensor system 1 has: an electrode system including an electrode 101a for measurement, an opposite electrode 101b for measurement, an electrode 102a for quant...

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Abstract

A technology and sensor chip that enable hematocrit levels in blood samples to be measured in a short time and at low cost are provided. A response current, which is obtained by sweeping a voltage applied between a measurement working electrode and a measurement counter electrode provided to a sensor chip, is measured, and a hematocrit level is derived on the basis of the ability to track the response current with respect to temporal changes in the applied voltage that was swept. The hematocrit level in a blood sample can thus be measured in a short time without having to wait until a redox reaction in a redox substance for measuring the hematocrit level stabilizes, as in the hematocrit measurement methods of the prior art. Furthermore, because there is no need for a redox substance to measure the hematocrit level, the hematocrit level can be measured at low cost.

Description

technical field [0001] The present invention relates to a method of measuring the hematocrit value (Hct) of a blood sample using a sensor chip, a quantitative analysis method using the measurement method, and a sensor chip used in the measurement method and the quantitative analysis method, wherein the The sensor chip has an electrode system including a measuring electrode and a measuring counter electrode. Background technique [0002] Conventionally, there has been known a quantitative analysis method for quantifying a substance to be measured, such as glucose, contained in a blood sample by using a sensor chip having an electrode system including a working electrode and a counter electrode, and a sensor chip containing the substance to be measured. Reactive layer for enzymes that react specifically. That is, the oxidation current obtained by applying a voltage between the working electrode and the counter electrode to oxidize the reducing substance produced by the reacti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/416G01N27/327
CPCG01N27/3274G01N27/327G01N27/3272
Inventor 大江秀明高木纯横山宪二平塚淳典吉田信行佐佐木典子
Owner MURATA MFG CO LTD
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