Method for distinguishing between quality control liquid and real sample in an electrochemical test system with recognition device controller and recognition system
US10451578B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2017 |
| Grant date | Oct 22, 2019 |
| Priority date | — |
| Expiry date | Jul 28, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/49
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to the technical field of electrochemical detection, in particularly to a method for distinguishing between quality control liquid and real sample in an electrochemical test system with recognition device controller and recognition system. The method includes: (1) applying an AC voltage signal to the electrode surface(s) of an electrochemical test strip, (2) measuring the AC impedance angle (phase angle) value between working electrode and reference electrode after drawing a test sample into the fluid chamber of an electrochemical test strip, (3) automatically judging the test sample as quality control liquid or real sample according to the AC impedance angle value. The method provided by the invention can automatically distinguish between quality control liquid and real sample in an electrochemical test system, simplifying the operation steps of quality control, avoiding the misoperation under manual quality control mode, and improving the accuracy and reliability of measurement results.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.