Cell-impedance sensors
US8642287B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2007 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Jan 30, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/5438
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and apparatus for designing and measuring a cell-electrode impedance sensor to detect chemical and biological samples, including biological cells. The method of designing a cell-electrode impedance sensor comprises: determining a cell free cell-electrode impedance and a cell-covered cell-electrode impedance; obtaining a sensor sensitivity of the cell-electrode impedance measurement system; and choosing one or more design parameters of the cell-electrode impedance sensor to maximize the sensor sensitivity. When the frequency of AC signal between electrodes ranges from 10 kHz to 40 kHz, the sensitivity of the sensor is maximized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.