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Listar por palabra clave "Voltammetry"

Mostrando ítems 1-20 de 22

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A humid electronic nose based on pulse voltammetry: A proof-of-concept design

Bataller Prats, Román; Campos Sánchez, Inmaculada; Alcañiz Fillol, Miguel; Gil Sánchez, Luís; García Breijo, Eduardo; Martínez Mañez, Ramón; Pascual Vidal, Lluís; Soto Camino, Juan; Vivancos, José-Luís (Elsevier, 2013-09)

[EN] We report herein the design, manufacture and use of a "humid electronic nose" prototype based on voltammetric techniques. It consists of an array of four working electrodes (i.e., Au, Pt, Ir and Rh) housed inside a ...
A method of pulse array design for voltammetric electronic tongues

Campos Sánchez, Inmaculada; Alcañiz Fillol, Miguel; Masot Peris, Rafael; Soto Camino, Juan; Martínez Mañez, Ramón; Vivancos, José-Luís; Gil Sánchez, Luís (Elsevier, 2012-01-03)

This paper proposes a reasonable methodology for the design of pulse arrays applied in classification and quantification techniques based on the use of pulse voltammetric electronic tongues. As model problem we designed a ...
A Novel Humid Electronic Nose Based on Voltammetry

Bataller Prats, Román; Campos Sánchez, Inmaculada; Alcañiz Fillol, Miguel; Gil Sánchez, Luís; Martínez Mañez, Ramón; Soto Camino, Juan; Vivancos, José-Luís (Elsevier, 2012)

We report herein the design, manufacture and use of a "humid electronic nose" prototype. Its operation is based on the use of voltammetric techniques, and it consists of an array of four working electrodes (i.e. Au, Pt, ...
A “humid electronic nose” for the detection of nerve agent mimics; a case of selective sensing of DCNP (a Tabun mimic)

Pascual Vidal, Lluís; Campos Sánchez, Inmaculada; Bataller Prats, Román; Olguín Pinatti, Cristian Ariel; García Breijo, Eduardo; Martínez Mañez, Ramón; Soto Camino, Juan (Elsevier, 2014-03-01)

A humid electronic nose device based on pulse voltammetry has been applied to detect nerve agentsimulants in gas phase. The humid electronic nose consists in a polypropylene piece which containsan array of eight metallic ...
Aplicación de la lengua electrónica en la evaluación de la capacidad antioxidante

Pérez Salinas, Elena (Universitat Politècnica de València, 2013-04-23)

[ES] El objetivo de este trabajo fue establecer un modelo matemático de predicción, mediante la aplicación de la lengua electrónica (voltametría de pulsos), para la evaluación de la capacidad antioxidante de alimentos. ...
Design of an electronic system and its application to electronic tongues using variable amplitude pulse voltammetry and impedance spectroscopy

Alcañiz Fillol, Miguel; Vivancos, José-Luís; Masot Peris, Rafael; Ibáñez Civera, Francisco Javier; Raga Ramón, María; Soto Camino, Juan; Martínez Mañez, Ramón (Elsevier, 2012-07)

Electronic equipment (IDM-1) especially designed for the application of voltammetric and impedometric electronic tongues is described. For impedance spectroscopy the equipment permits the generation of sinusoidal signals ...
Design of and electronic system for the implementation of electrochemical measurement techniques: Voltammetry, Impedance Spectroscopy and Potentiometry

Bataller Prats, Román (Universitat Politècnica de València, 2016-02-03)

The present project’s objective is the design of an electronic system for the implementation of electrochemical measurements: Cyclic Voltammetry, Variable Amplitude Pulse Voltammetry, Electrochemical Impedance Spectroscopy ...
Detección de mieles adulteradas mediante análisis de parámetros físicoquímicos y sensores voltamétricos en lenguas electrónicas

Quelal Vásconez, Maribel Alexandra (Universitat Politècnica de València, 2017-09-13)

Honey is a high commercial value product. It is susceptible of adulteration with low cost production syrups. If these syrups are not properly described on the product label, this adulteration may allow illegal economic ...
Effluents from the copper electrorefining as a secondary source of antimony: Role of mass transfer on the recovery by electrodeposition

Hernández-Pérez, Lorena; Carrillo-Abad, Jordi; Pérez-Herranz, Valentín; Montañés, Maria-Teresa; Martí Calatayud, Manuel César (Elsevier, 2023-03-01)

[EN] The limited availability of antimony has increased the need for exploiting alternative sources to its direct extraction from stibnite deposits. Furthermore, introducing recovery techniques in industries where antimony ...
Electrochemical monitoring of the oxidative coupling of alkynes catalyzed by triphenylphosphine gold complexes

Domenech Carbo, Antonio; Leyva Perez, Antonio; Al-Resayes, Saud I.; Corma Canós, Avelino (Elsevier, 2012-06)

Electrochemical monitoring of the oxidative coupling of alkynes in the homogeneous phase through catalytic cycles involving triphenylphosphine gold complexes and selectfluor as oxidant reveals that at least two gold species ...
Estudio electroquímico para la recuperación de antimonio de efluentes del electro-refinado de cobre por electrodeposición

Hernández Pérez, Lorena (Universitat Politècnica de València, 2024-04-27)

[ES] Esta Tesis Doctoral se centra en la recuperación mediante electrodeposición del Sb presente en un efluente residual proveniente de la metalurgia del cobre. El efluente en el que se basa este estudio se produce en el ...
From Maya Blue to "Maya Yellow": A Connection between Ancient Nanostructured Materials from the Voltammetry of Microparticles

Domenech Carbo, Mª Teresa; Domenech Carbo, Antonio; Vázquez de Agredos Pascual, María Luisa (Wiley-VCH Verlag, 2011)

The yellow hue of a series of samples from wall paintings in several Mayan archaeological sites can be attributed to the presence of indigoid compounds, including isatin and dehydroindigo, attached to palygorskite, a local ...
Glyphosate detection by voltammetric techniques. A comparison between statistical methods and an artificial neural network

Laguarda-Miro, Nicolas; Werner Ferreira, Francesca; Garcia-Breijo, Eduardo; Ibáñez Civera, Francisco Javier; Gil Sánchez, Luís; Garrigues Baixauli, José (Elsevier, 2012-09)

Glyphosate quantification methods are complex and expensive, and its control in natural water bodies is getting more important year after year. In order to find a new system that facilitates the detection of glyphosate, ...
Glyphosate detection with ammonium nitrate and humic acids as potential interfering substances by pulsed voltammetry technique

Martínez Gil, Pablo; Laguarda Miró, Nicolás; Soto Camino, Juan; Masot Peris, Rafael (Elsevier, 2013-06-25)

Pulsed voltammetry has been used to detect and quantify glyphosate on buffered water in presence of ammonium nitrate and humic substances. Glyphosate is the most widely used herbicide active ingredient in the world. It is ...
Gold Redox Catalytic Cycles for the Oxidative Coupling of Alkynes

Leyva Perez, Antonio; Doménech, Antonio; Al-Resayes, Saud I.; Corma Canós, Avelino (American Chemical Society, 2011-12)

[EN] Au(I)/Au(III) catalytic cycles are catalytically competent to perform the oxidative coupling of alkynes in the homogeneous phase at room temperature and without any protecting atmosphere. Selectfluor as oxidant, wet ...
Hematite as an Electrocatalytic Marker for the Study of Archaeological Ceramic Clay bodies: A VIMP and SECM Study**

Doménech-Carbó, Antonio; Giannuzzi, Michele; Mangone, Annarosa; Giannossa, Lorena Carla; Di Turo, Francesca; Cofini, Elena; Domenech Carbo, Mª Teresa (John Wiley & Sons, 2022-01-27)

[EN] The electrocatalytic effect exerted by hematite, a ubiquitous component of clay bodies, on the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) can be used to acquire information on archaeological ...
Influence of cracking on oxygen transport in UHPFRC using stainless steel sensors

Martínez-Ibernón, Ana; Roig-Flores, Marta; Lliso-Ferrando, Josep Ramon; Mezquida-Alcaraz, Eduardo J.; Valcuende Payá, Manuel Octavio; Serna Ros, Pedro (MDPI AG, 2020-01)

[EN] Reinforced concrete elements frequently suffer small cracks that are not relevant from the mechanical point of view, but they can be an entrance point for aggressive agents, such as oxygen, which could initiate the ...
Low-Cost Electronic Tongue System and Its Application to Explosive Detection

Garcia-Breijo, Eduardo; Masot Peris, Rafael; Olguín Pinatti, Cristian Ariel; Alcañiz Fillol, Miguel; Ibáñez Civera, Francisco Javier; Bataller Prats, Román (Institute of Electrical and Electronics Engineers (IEEE), 2013)

The use of biomimetic measurement systems as electronic tongues and noses has considerably increased in the last years. This paper presents the design of a low-cost electronic tongue system that includes a software application ...
Optimización de la técnica basada en la voltametría mediante escalones de potencial para la medida de la corrosión en armaduras embebidas en hormigón

Yánez Albán, Tania Vanessa (Universitat Politècnica de València, 2024-07-31)

[ES] El hormigón es el material de construcción más utilizado del mundo gracias a sus prestaciones mecánicas, su versatilidad y la alta disponibilidad de las materias primas utilizadas para su fabricación. Otra propiedad ...
Solid-state electrochemical characterization of emissions and authorities producing Roman brass coins

Di Fazio, Melania; Felici, Anna Candida; Catalli, Fiorenzo; Domenech Carbo, Mª Teresa; De Vito, Caterina; Doménech-Carbó, Antonio (Elsevier, 2020-01)

[EN] The voltammetry of immobilized particles (VIMP) is applied to describe the solid state electrochemistry of brass. This methodology, which involves sampling at the nanogram level, is applied to discriminate mints/authorities ...