Control solution for use in testing an electrochemical system
US8716024B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2012 |
| Grant date | May 6, 2014 |
| Priority date | — |
| Expiry date | Nov 20, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/144444
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of distinguishing a control solution from a sample in an electrochemical test sensor is performed. The method includes adding a control marker to the control solution. The control solution includes the control marker and analyte. The test sensor includes working and counter electrodes, and a reagent. A potential is applied to the test sensor to oxidize the control marker and the analyte. The resulting electrical current is measured. A potential is applied to the test sensor lower than the other potential in which the potential is sufficient to oxidize the analyte and not the control marker. The resulting electrical current is measured. Determining whether a control solution or a sample is present based on the measured electrical currents. To increase the measured current, a salt may be added to the control solution in an amount sufficient to increase the electrical current by at least 5% as compared to a control solution in the absence of a salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.