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dc.contributor.author
Moretti, Fabián N.
dc.contributor.author
Cabrera, Jorge L.
dc.contributor.author
Madrid, Rossana Elena
dc.date.available
2018-08-01T21:57:04Z
dc.date.issued
2018-02
dc.identifier.citation
Moretti, Fabián N.; Cabrera, Jorge L.; Madrid, Rossana Elena; Zonal selectivity by sensitivity modulation in linear tetrapolar impedance sensors; Elsevier Science Sa; Sensors and Actuators B: Chemical; 255; Parte 2; 2-2018; 1268-1275
dc.identifier.issn
0925-4005
dc.identifier.uri
http://hdl.handle.net/11336/53857
dc.description.abstract
This work investigates the behaviour of a tetrapolar impedance sensor due to sensitivity issues caused by inherent method measurement when inter-electrode spacing is changed. Finite Element Method (FEM) modelling of the sensitivity spectra was computed to analyse maximum sensitivity levels in desired zones of the sample and non-common known and unintuitive phenomenon as negative sensitivity lobes inside the sensitivity distribution field. Sensitivity maps as a function of electrode position were obtained and maximum sensitivity curves were extracted to identify the best configuration for major sensitivity contribution to characterize a specific sample section. A prototype of a linear tetrapolar sensor array of planar microelectrodes for sensing ionic samples was used for the computational modelling and a brief experimental validation was performed to show the vertical stratification process. The analysis shows that it is possible to have zonal selectivity in the impedance measurement and characterize a desired zone of the sample modulating the sensitivity, changing the electrode position by a scale pattern. This manuscript offers a novel approach for designing tetrapolar sensors based on analyzing maximum sensitivity curves obtained by FEM modelling.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science Sa
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Eis
dc.subject
Impedance Sensors
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Mea
dc.subject
Mems
dc.subject
Sensitivity
dc.subject
Tetrapolar Measurement
dc.subject.classification
Ingeniería de Sistemas y Comunicaciones
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Ingeniería Eléctrica, Ingeniería Electrónica e Ingeniería de la Información
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Zonal selectivity by sensitivity modulation in linear tetrapolar impedance sensors
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-07-30T13:48:32Z
dc.journal.volume
255
dc.journal.number
Parte 2
dc.journal.pagination
1268-1275
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Moretti, Fabián N.. Universidad Tecnolócica Nacional.Facultad Regional Avellaneda.; Argentina
dc.description.fil
Fil: Cabrera, Jorge L.. Universidad Tecnolócica Nacional.Facultad Regional Avellaneda.; Argentina
dc.description.fil
Fil: Madrid, Rossana Elena. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto Superior de Investigaciones Biológicas. Universidad Nacional de Tucumán. Instituto Superior de Investigaciones Biológicas; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Departamento de Bioingeniería. Laboratorio de Medios e Interfases; Argentina
dc.journal.title
Sensors and Actuators B: Chemical
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0925400517315381
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.snb.2017.08.115
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