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A Polynomial-Exponent Model for Calibrating the Frequency Response of Photoluminescence-Based Sensors
dc.contributor.author | Torre Vega, Ángel De La | |
dc.contributor.author | Medina Rodríguez, Santiago | |
dc.contributor.author | Segura Luna, José Carlos | |
dc.contributor.author | Fernández Sánchez, Jorge Fernando | |
dc.date.accessioned | 2020-11-09T12:41:59Z | |
dc.date.available | 2020-11-09T12:41:59Z | |
dc.date.issued | 2020-08-18 | |
dc.identifier.citation | Torre, A.; Medina-Rodríguez, S.; Segura, J.C.; Fernández-Sánchez, J.F. A Polynomial-Exponent Model for Calibrating the Frequency Response of Photoluminescence-Based Sensors. Sensors 2020, 20, 4635. [doi:10.3390/s20164635] | es_ES |
dc.identifier.uri | http://hdl.handle.net/10481/64151 | |
dc.description | This work has been partly supported by the Spanish Ministry of Economy, Industry and Competitiveness (CTQ2014-53442-P, Grant BES-2009-026919 and Torres Quevedo Grants PTQ-15-07922 and PTQ-15-07912), and the CEI BioTic Granada Campus (Project CEIbioTIC14-2015). | es_ES |
dc.description.abstract | In this work, we propose a new model describing the relationship between the analyte concentration and the instrument response in photoluminescence sensors excited with modulated light sources. The concentration is modeled as a polynomial function of the analytical signal corrected with an exponent, and therefore the model is referred to as a polynomial-exponent (PE) model. The proposed approach is motivated by the limitations of the classical models for describing the frequency response of the luminescence sensors excited with a modulated light source, and can be considered as an extension of the Stern–Volmer model. We compare the calibration provided by the proposed PE-model with that provided by the classical Stern–Volmer, Lehrer, and Demas models. Compared with the classical models, for a similar complexity (i.e., with the same number of parameters to be fitted), the PE-model improves the trade-off between the accuracy and the complexity. The utility of the proposed model is supported with experiments involving two oxygen-sensitive photoluminescence sensors in instruments based on sinusoidally modulated light sources, using four different analytical signals (phase-shift, amplitude, and the corresponding lifetimes estimated from them). | es_ES |
dc.description.sponsorship | Spanish Ministry of Economy, Industry and Competitiveness CTQ2014-53442-P BES-2009-026919 PTQ-15-07922 PTQ-15-07912 | es_ES |
dc.description.sponsorship | CEI BioTic Granada Campus CEIbioTIC14-2015 | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | MDPI | es_ES |
dc.rights | Atribución 3.0 España | * |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es/ | * |
dc.subject | Calibration | es_ES |
dc.subject | Chemical sensor | es_ES |
dc.subject | Photoluminescence | es_ES |
dc.subject | Oxygen sensing | es_ES |
dc.subject | Frequency response | es_ES |
dc.subject | Stern–Volmer model | es_ES |
dc.subject | Lehrer model | es_ES |
dc.subject | Demas model | es_ES |
dc.subject | Polynomial-exponent model | es_ES |
dc.title | A Polynomial-Exponent Model for Calibrating the Frequency Response of Photoluminescence-Based Sensors | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es_ES |
dc.identifier.doi | 10.3390/s20164635 | |
dc.type.hasVersion | info:eu-repo/semantics/publishedVersion | es_ES |