Method of measuring the luminescence emitted in a luminescent assay
US6861264B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2001 |
| Grant date | Mar 1, 2005 |
| Priority date | — |
| Expiry date | Sep 23, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/582
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a method of measuring the luminescence emitted in a luminescent assay, which makes it possible to correct certain perturbations due to the measuring medium. The method comprises employing at least one luminescent tracer compound and a luminescent compound used as an internal reference, which, when exposed to the same excitation wavelength, are capable of emitting at different wavelengths, λ1 and λ2 respectively, either by direct luminescence or by the induction of a luminescent emission, and correcting the measurement of the luminescence emitted by the tracer compound at wavelength λ2 on the basis of the measurement of the luminescence emitted by the reference compound at wavelength λ1. The invention further relates to the use of the method in a homogeneous method of detecting and/or determining an analyte, and to a device for carrying it out.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.