Chemical sensing device
US8084002B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2007 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | Mar 24, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/1708
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present application relates to a chemical sensing device for detecting an analyte in a liquid sample containing suspended particles. The device comprises a radiation source adapted to generate electromagnetic radiation, a transducer (3) having a pyroelectric or piezoelectric element and electrodes which is capable of transducing a change in energy to an electrical signal, at least one reagent (2) on or proximal to the transducer (3), the reagent being capable of absorbing the electromagnetic radiation to generate energy when in contact with the analyte, a chamber (9) for holding the sample in fluid contact with transducer, and a detector which is capable of detecting the electrical signal generated by the transducer. The transducer is in a plane from +45° to −45° to the vertical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.