Matías Maestro, Ignacio

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https://academica-e.unavarra.es/handle/2454/49553

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Matías Maestro

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Ignacio

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Ingeniería Eléctrica, Electrónica y de Comunicación

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ISC. Institute of Smart Cities

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0000-0002-2229-6178

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88510

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1896

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Subject: Electrostatic self-assembly ×

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    PublicationOpen Access
    Nanosensor for detection of glucose
    (SPIE, 2004-06-09) Del Villar, Ignacio; Matías Maestro, Ignacio; Arregui San Martín, Francisco Javier; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    A novel fibre-optic sensor sensitive to glucose has been designed based on electrostatic self-assembly method. The polycation of the structure is a mixture of poly(allylamine hydrochloride) (PAH) and Prussian Blue, whereas the polyanion is well-known enzyme glucose oxidase (GOx). The range of glucose concentration that can be measured is submilimolar and is located between 0.1 and 2 mM. Measures are based on a new detection scheme based on the slope of the change of signal produced by injection of glucose, yielding to a linear response. The sensor responses in a PH range between 4 and 7.4, which includes the physiological PH of blood. Some rules for estimation of the refractive index of the material deposited and the thickness of bilayers are also given.