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Biosensor electrocrómico

Authors: Campo García, Francisco Javier del; Guimerà-Brunet, Anton; Kitsara, María; Aller-Pellitero, Miguel;

Biosensor electrocrómico

Abstract

[ES] Biosensor electrocrómico. La presente invención se refiere a un biosensor formado por un ánodo de un material conductor que contiene al menos una enzima inmovilizada sobre su superficie y un mediador redox y un cátodo de un material transparente que contiene una molécula electrocrómica que cambia de color cuando cambia su estado de oxidación. Entre ánodo y cátodo se deposita un medio conductor de iones que puede estar en forma de gel o de membrana permeable. Este biosensor se activa automáticamente cuando se deposita una muestra que contenga el analito cuya oxidación/reducción enzimática genera un flujo de electrones desde el ánodo al cátodo que provoca el cambio de color del material electrocrómico y que da información inmediata al usuario de la presencia de dicho analito en la muestra.

[EN] The invention relates to a biosensor formed by an anode of a conductive material which contains at least one enzyme immobilised on the surface thereof and a redox mediator, and a cathode of a transparent material which contains an electrochromic molecule that changes colour when its state of oxidation changes. An ion-conductive medium in the form of a permeable membrane or gel is deposited between the anode and the cathode. This biosensor is activated automatically by the deposition of a sample containing an analyte generating an electron flow from the anode to the cathode by the enzymatic reduction/oxidation thereof, which causes the change in colour of the electrochromic material and provides immediate information to the user about the presence of said analyte in the sample.

Consejo Superior de Investigaciones Científicas (España)

B1 Patente sin examen previo

Peer reviewed

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
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