ELECTRODE REACTION AREA TESTING METHOD OF BIOSENSOR TEST STRIP

• US 20160084793A1
• Filed: 09/18/2014
• Published: 03/24/2016
• Est. Priority Date: 09/18/2014
• Status: Abandoned Application

• Current Assignee: Broadmaster Biotech Corp.
• Original Assignee: Broadmaster Biotech Corp.
• Inventors: CHEN, YI LUNG, LAI, CHIEN HUNG, LIN, YA SIAN, JIANG, FANG YI, YU, CHIH CHUN, CHANG, YI CHUNG
• Application Number:
  US14/490,323
• Publication Number:
  US 20160084793A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G01N 27/3274 Corrective measures, e.g. error detection, compensation for temperature or hematocrit, calibration coding of calibration information G01N33/48771

Abstract

An electrode reaction area testing method of biosensor test strip includes: (1) preparing a semi-finished or finished test strip product having at least one sensing window corresponding to an electrode reaction area; a plural electrodes exposed from the electrode reaction area; (2) detecting the electrode reaction current of the electrode reaction area to obtain a first electrode reaction current and a third electrode reaction current; (3) calculating a current ratio of the first electrode reaction current to the third electrode reaction current; (4) determining the current ratio; (5) completing the detection of the electrode reaction area to determine whether the semi-finished or finished test strip product is good or defective, so as to test the accuracy of the separating plate attaching position or the insulating position and the applicability of the electrode reaction area in the manufacture of the test strip.

Claims

1. An electrode reaction area testing method of biosensor test strip, comprising the steps of:

preparing a semi-finished or finished test strip product having a substrate and a separating plate, wherein the separating plate has a sensing window, the substrate has a first electrode, a second electrode and a third electrode disposed on a side of the sensing window and sequentially arranged from the outside to the inside;

an end of the first electrode proximate to the sensing window is a first reacting electrode, an end of the second electrode proximate to the sensing window is a second reacting electrode, an end of the third electrode proximate to the sensing window is a third reacting electrode;

covering the separating plate onto the first electrode, the second electrode and the third electrode;

aligning the sensing window with the first reacting electrode, the second reacting electrode and the third reacting electrode, wherein each of the first reacting electrode, the second reacting electrode and the third reacting electrode has a partial area exposed from the sensing window;

the partial area of the first reacting electrode exposed from the sensing window is a first electrode reaction area;

the partial area of the second reacting electrode exposed from the sensing window is a second electrode reaction area;

the partial area of the third reacting electrode exposed from the sensing window is a third electrode reaction area;

introducing a sample into the test strip, and applying a voltage, such that the first electrode reaction area generates a first electrode reaction current, and the third electrode reaction area generates a third electrode reaction current;

detecting and obtaining the first electrode reaction current and the third electrode reaction current, and then calculating a current ratio of the first electrode reaction current to the third electrode reaction current;

determining whether the current ratio falls within a predetermined numeric value range;

if yes, then the electrode reaction area of the semi-finished or finished test strip product is good and the separating plate attaching position or insulating position is correct, or else the electrode reaction area of the semi-finished or finished test strip product is defective and the separating plate attaching position or insulating position is incorrect; and

completing the test of the electrode reaction area of the semi-finished or finished test strip product to determine whether the test strip is a good product or a defective product.

2. The electrode reaction area testing method of biosensor test strip according to claim 1, wherein the predetermined numeric value range is set by experiment statistics, such that when the current ratio falls within the numeric value range, the first electrode reaction area and the third electrode reaction area are correct.

3. An electrode reaction area testing method of biosensor test strip, comprising the steps of:

preparing a semi-finished or finished test strip product, wherein the semi-finished or finished test strip product has at least one sensing window;

the sensing window is aligned with an electrode reaction area, a plurality of electrodes is exposed from the electrode reaction area;

the electrode reaction area includes a first reacting electrode, a second reacting electrode, and a third reacting electrode sequentially arranged from the outside to the inside;

the partial area of the first reacting electrode exposed from the sensing window is a first electrode reaction area;

the partial area of the second reacting electrode exposed from the sensing window is a second electrode reaction area;

the partial area of the third reacting electrode exposed from the sensing window is a third electrode reaction area;

introducing a sample into the semi-finished or finished test strip product, and applying a voltage, such that the first electrode reaction area generates a first electrode reaction current, and the third electrode reaction area generates a third electrode reaction current, and then detecting and obtaining the first electrode reaction current and the third electrode reaction current;

calculating a current ratio of the first electrode reaction current to the third electrode reaction current;

determining whether the current ratio falls within a predetermined numeric value range, if yes, then the electrode reaction area of the semi-finished or finished test strip product is good, or else the electrode reaction area of the semi-finished or finished test strip product is defective; and

completing the test of the electrode reaction area of the semi-finished or finished test strip product to determine whether the test strip is a good product or a defective product.

4. The electrode reaction area testing method of biosensor test strip according to claim 3, wherein the predetermined numeric value range is set by experiment statistics, and when the area ratio falls within the numeric value range, the first electrode reaction area and the third electrode reaction area are correct.