{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T21:41:34Z","timestamp":1760218894673,"version":"build-2065373602"},"reference-count":33,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2014,2,19]],"date-time":"2014-02-19T00:00:00Z","timestamp":1392768000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>This work presents the modelling of impulsional pH variations in microvolume related to water-based electrolysis and hydrogen peroxide electrochemical oxidation using an Electrochemical Field Effect Transistor (ElecFET) microdevice. This ElecFET device consists of a pH-Chemical FET (pH-ChemFET) with an integrated microelectrode around the dielectric gate area in order to trigger electrochemical reactions. Combining oxidation\/reduction reactions on the microelectrode, water self-ionization and diffusion properties of associated chemical species, the model shows that the sensor response depends on the main influential parameters such as: (i) polarization parameters on the microelectrode, i.e., voltage (Vp) and time (tp); (ii) distance between the gate sensitive area and the microelectrode (d); and (iii) hydrogen peroxide concentration ([H2O2]). The model developed can predict the ElecFET response behaviour and creates new opportunities for H2O2-based enzymatic detection of biomolecules.<\/jats:p>","DOI":"10.3390\/s140203267","type":"journal-article","created":{"date-parts":[[2014,2,19]],"date-time":"2014-02-19T11:10:21Z","timestamp":1392808221000},"page":"3267-3283","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Modelling of Impulsional pH Variations Using ChemFET-Based Microdevices: Application to Hydrogen Peroxide Detection"],"prefix":"10.3390","volume":"14","author":[{"given":"Abdou","family":"Diallo","sequence":"first","affiliation":[{"name":"CNRS, LAAS, 7 avenue du colonel Roche, F-31400 Toulouse, France"},{"name":"University of Toulouse, UPS, LAAS; F-31400 Toulouse, France"}]},{"given":"Lyes","family":"Djeghlaf","sequence":"additional","affiliation":[{"name":"CNRS, LAAS, 7 avenue du colonel Roche, F-31400 Toulouse, France"},{"name":"University of Toulouse, UPS, LAAS; F-31400 Toulouse, France"}]},{"given":"Jerome","family":"Launay","sequence":"additional","affiliation":[{"name":"CNRS, LAAS, 7 avenue du colonel Roche, F-31400 Toulouse, France"},{"name":"University of Toulouse, UPS, LAAS; F-31400 Toulouse, France"}]},{"given":"Pierre","family":"Temple-Boyer","sequence":"additional","affiliation":[{"name":"CNRS, LAAS, 7 avenue du colonel Roche, F-31400 Toulouse, France"},{"name":"University of Toulouse, UPS, LAAS; F-31400 Toulouse, France"}]}],"member":"1968","published-online":{"date-parts":[[2014,2,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1016\/j.aca.2003.11.036","article-title":"Rapid determination of hydrogen peroxide in the wood pulp bleaching streams by a dual-wavelength spectroscopic method","volume":"507","author":"Shai","year":"2004","journal-title":"Anal. 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