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handle: 10261/176255 , 10261/176262
[ES] Sensor, aparato y procedimiento para la determinación de la concentración de solutos en disoluciones. En este documento se describe un sensor. un aparato y procedimiento que permite un análisis directo de fluidos para determinar cantidades de solutos en disoluciones. Para ello se puede hacer uso de transductores con estructuras monocapa o multicapa (como puede ser una estructura fotónica planar en forma de microcavidad de Bragg) porosa birrefringente. El Procedimiento de la invención presenta dos posibles configuraciones; una primera configuración en la cual se tiene un sensor que es cristal fotónico en una estructura microfluídica que comprende dos ventanas transparentes, llevándose a cabo la toma de datos en modo de transmisión, y una segunda configuración en las cual el cristal fotónico que actúa como sensor se encuentra ubicado en un extremo de una fibra óptica, procediéndose a la toma de datos en el modo de reflexión.
[EN] The document describes a sensor, apparatus and method for the direct analysis of fluids in order to determine a concentration of solutes in solutions, such as the concentration of glucose in aqueous solutions. Transducers with porous birefringent monolayer or multilayer structures (such as a planar photonic structure in the form of a Bragg microcavity) may be used as sensors. The method of the invention can be performed in two possible implementations; a first one, wherein the sensor (2) is a photonic crystal in a microfluidic device (1) which comprises two transparent windows, data being retrieved in transmission mode and a second one, wherein the photonic crystal sensor is located on the tip of an optical fiber, data being retrieved in reflection mode.
Consejo Superior de Investigaciones Científicas (España), Universidad de Zaragoza, Universidad Politécnica de Madrid
A1 Solicitud de patente con informe sobre el estado de la técnica
Peer reviewed
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