Microfluidic device for identification, quantification, and...

B - Operations – Transporting – 01 – L

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B01L 99/00 (2010.01)

Patent

CA 2599569

Devices and methods for identification, authentication, and quantification of one or more covert markers contained in a material are disclosed. A device includes a microfluidic cell, a liquid transfer system, and a detector system and is an integrated unit providing an automated, in-line process for identifying one or more materials containing at least one latent marker that may transform into an active form. The microfluidic cell is for receiving a material containing a latent marker and has at least one inlet for receiving one or more liquids and one or more outlets through which liquids exit. The liquid transfer system is operably connected to the microfluidic cell and delivers liquids to the microfluidic cell. The detector system, which may include a source and a sensor, is proximate to the outlets for detecting the active form of the marker. With the device, a number of independent processing and analytic steps are combined onto a single, portable unit.

L'invention porte sur des dispositifs d'identification, quantification, et authentification d'un ou de plusieurs marqueurs dissimulés dans un matériau. Un tel dispositif comporte une cellule microfluidique, un système de transfert de liquide, et un système de détection, formant une unité intégrée, et constituant un processus en ligne d'identification d'un ou de plusieurs matériaux contenant au moins un marqueur latent pouvant prendre une forme active. La cellule microfluidique, conçue pour recevoir un marqueur latent, présente au moins un orifice d'entrée d'un ou plusieurs liquides, et des orifices de sortie de ces liquide. Le système de transfert de liquides, est relié à la cellule microfluidique et lui fournit les liquides. Le système de détection, qui peut comporter une source, et un détecteur voisin des orifices de sortie, détecte la forme active du marqueur. L'invention comporte en outre plusieurs éléments indépendants de traitement et d'analyse réunis en une unité portative.

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