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Sample discriminating method

A technology for identifying parameters and functions, which is applied in biochemical equipment and methods, immunoassays, instruments, etc., and can solve the problems of difficult manual switching operations, complicated manual switching operations, and mistaking the measured data as body fluids.

Inactive Publication Date: 2002-02-27
PHC CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, for the above-mentioned traditional biosensing system, when the control fluid is introduced, a manual switching operation, such as button operation, must be performed.
Therefore, due to misoperation or forgetting to operate, etc., the measurement data of the control fluid is often mistaken for the measurement data of body fluid, etc.
There is also a problem of complicated manual switching operations
It is sometimes difficult to perform manual switching operations, especially for diabetics with poor eyesight and fingertips

Method used

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Embodiment Construction

[0021] Embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings.

[0022] exist Figure 1A and Figure 1B The biosensing system shown in is actually a system for quantitatively measuring the glucose content in a blood sample, that is, the blood sugar level, and it consists of a sensor 11 and a measuring device 12 .

[0023] like Figure 1A As shown, in the sensor 11 of the glucose sensing system, on the PET (polyethylene terephthalic acid) insulated printed circuit board 6, there is an electrode part composed of an active pole 1 and a counter pole 2 respectively composed of carbon rods. It includes a screen-printed first silver conductor 4 and a second silver conductor 5 . The first silver conductor 4 is electrically connected to the working electrode 1 , and the second silver conductor 5 is electrically connected to the counter electrode 2 .

[0024] In addition, the conductor composed of the first silver conduc...

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Abstract

A glucose sensor system comprising the steps of using as a sample discriminating parameter a ratio (I / DELTA I) of a measured current value I to the time-differential value of the current value DELTA I, defining a discrimination function that discriminates whether a sample is blood or control fluid and uses the discriminating parameter as an independent variable, quantitating as a discriminating index a numeric value obtained by substituting a discriminating parameter value into this discrimination function, and automatically discriminating, based on this index, whether the sample is blood or a control fluid, whereby a kind of the sample can be automatically quantitated by measuring electric current when a sensor system is used for quantitating the concentration of an analysis object in the sample.

Description

technical field [0001] The present invention relates to a sample identification method, a sensor system capable of measuring the concentration of an analyte contained in a sample, which can measure the concentration of glucose and cholesterol, etc. Quantitative analysis, a method for the identification of samples in biosensing systems. In particular, in a sensor system that can be regularly checked by replacing body fluid with a standard liquid of known concentration in order to judge whether the accuracy of the sensor system can be maintained, the sample introduced into the sensor system can be automatically judged to be body fluid It is also a sample identification method for standard solutions. Background technique [0002] Sensing systems for quantitatively analyzing the concentration of an analyte in a sample based on current measurement are known. Such sensing systems have been widely used in recent years in biosensing systems such as small and simple blood sugar l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/416G01N27/49G01N33/487
CPCG01N27/3273G01N27/49G01N27/3271G01N27/3274Y10T436/11
Inventor 德永博之宫﨑正次马场英行井上洋一池滝和雄浜本胜美
Owner PHC CORP
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