Patent · US Active

Measurement of an analyte with a cartridge

US11369957B2 · kind B2 · utility

0Cited by

3References

19Claims

0Family size

Assignee

Roche Diagnostics Operations, Inc. · US

Inventors

Christoph Boehm · Viernheim, DE
Thorsten Brueckner · Schriesheim, DE
Sascha Lutz · Neustadt, DE

Key dates

Filing date	Aug 29, 2018
Grant date	Jun 28, 2022
Priority date	—
Expiry date	Jul 14, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01L2400/0409
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method of performing an optical measurement of an analyte in a processed biological sample using a cartridge is provided. The cartridge is operable for being spun around a rotational axis. The method comprises: placing the biological sample into a sample inlet; controlling the rotational rate of the cartridge to process a biological sample into the processed biological sample using a fluidic structure; controlling the rotational rate of the cartridge to allow the processed biological sample to flow from the measurement structure inlet to an absorbent structure via a chromatographic membrane, and performing an optical measurement of a detection zone on the chromatographic membrane with an optical instrument. An inlet air baffle reduces evaporation of the processed biological sample from the chromatographic membrane during rotation of the cartridge.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.