2026-06-20T06:24:29Zhttps://riubu.ubu.es/oai/request

oai:riubu.ubu.es:10259/92872024-06-20T00:05:13Zcom_10259_7463com_10259_5086com_10259_2604col_10259_7464

Portugal Gómez, Paula 840 600 0000-0002-5669-5804 Domínguez Renedo, Olga 159 600 0000-0003-2067-0274 Alonso Lomillo, Mª Asunción 21 600 0000-0002-5714-3956 2024-06-19T10:56:10Z 2024-06-19T10:56:10Z 2024-02 0026-265X http://hdl.handle.net/10259/9287 10.1016/j.microc.2023.109760 Simultaneous analysis of 4-ethylphenol and ethanethiol has been carried out since they often coexist in wine samples producing significant organoleptic defects. Dual working screen-printed electrodes have been used for this aim. An activated fullerene C60 modified screen-printed carbon electrode (AC60/SPCE1) was used for the determination of 4-ethylphenol, while a cobalt (II) phthalocyanine modified SPCE (CoPh/SPCE2) was employed for ethanethiol detection. Headspace amperometric measurements were performed applying different potentials to the electrode system, which were coated by a commercial polyamide membrane immersed in supporting electrolyte, for the simultaneous and selective detection of both species in a single run. The constructed sensing dual system presented an exceptional detection performance with a capacity of detection of 2.7 mg/L and 0.2 mg/L for 4-ethyphenol and ethanethiol, respectively. The developed method was successfully applied for the simultaneous detection of both compounds in wine samples where it demonstrated a high degree of trueness and suitable efficiency. Authors would like to acknowledge funding from Agencia Estatal de Investigación/Ministerio de Ciencia e Innovación (PID2020-117095RB-I00/AEI/10.13039/501100011033). eng Elsevier Microchemical Journal. 2024, V. 197, 109760 https://doi.org/10.1016/j.microc.2023.109760 Attribution-NonCommercial-NoDerivatives 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess 4-Ethylphenol Ethanethiol Wine Amperometry Dual screen-printed carbon electrodes Gas sensor Chemistry, Analytic Chemistry, Physical and theoretical Química analítica Química física Simultaneous quantification of 4-ethylphenol and ethanethiol in wines by headspace amperometric measurements info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Microchemical Journal 197 THUMBNAIL Portugal-mj_2024.pdf.jpg Portugal-mj_2024.pdf.jpg IM Thumbnail image/jpeg 5018 https://riubu.ubu.es/bitstream/10259/9287/4/Portugal-mj_2024.pdf.jpg f9005e9c97b8dcdbedf955e6ad464b7e MD5 4 LICENSE license.txt license.txt text/plain; charset=utf-8 1362 https://riubu.ubu.es/bitstream/10259/9287/3/license.txt 5d013bfa6e473ff0db22cd82a4d71a70 MD5 3 CC-LICENSE license_rdf license_rdf application/rdf+xml; charset=utf-8 805 https://riubu.ubu.es/bitstream/10259/9287/2/license_rdf 4460e5956bc1d1639be9ae6146a50347 MD5 2 ORIGINAL Portugal-mj_2024.pdf Portugal-mj_2024.pdf application/pdf 1953746 https://riubu.ubu.es/bitstream/10259/9287/1/Portugal-mj_2024.pdf b493440a58add7561d48f270ed0bfbc5 MD5 1 10259/9287 oai:riubu.ubu.es:10259/9287 2024-06-20 02:05:13.312 Repositorio Institucional de la Universidad de Burgos bubrep@ubu.es RWwgYXV0b3IgY29tbyDDum5pY28gdGl0dWxhciBkZSBsb3MgZGVyZWNob3MgZGUgcHJvcGllZGFkIGludGVsZWN0dWFsIGRlIGxhIG9icmEsIG8gZGlzcG9uaWVuZG8gZGUgbG9zIGRlYmlkb3MgcGVybWlzb3MgZGUgbG9zIG90cm9zIHRpdHVsYXJlcywgc2kgbG9zIGh1YmllcmEsIHkgZW4gdmlydHVkIGRlIGxvcyBkZXJlY2hvcyBxdWUgbGUgY29uZmllcmUgbGEgbGVnaXNsYWNpw7NuIHZpZ2VudGUgc29icmUgcHJvcGllZGFkIGludGVsZWN0dWFsIHkgZGVyZWNob3MgZGUgYXV0b3IsIApBVVRPUklaQSBhIGxhIFVuaXZlcnNpZGFkIGRlIEJ1cmdvcyBhIGRpZnVuZGlyLCBkZSBtYW5lcmEgZ3JhdHVpdGEsIGVsIGNvbnRlbmlkbyBkZSBsb3MgYXJjaGl2b3MgZGlnaXRhbGVzIHF1ZSBjb3JyZXNwb25kZW4gYWwgZG9jdW1lbnRvIGRlc2NyaXRvIGFudGVyaW9ybWVudGUsIGNvbiBjYXLDoWN0ZXIgbm8gZXhjbHVzaXZvIHkgZGUgbWFuZXJhIHDDumJsaWNhIGVuIGFjY2VzbyBhYmllcnRvIGEgdHJhdsOpcyBkZSBJbnRlcm5ldCwgcGFyYSBsbyBxdWUgbGEgQmlibGlvdGVjYSBwcm9jZWRlcsOhIGEgYXJjaGl2YXJsb3MgZW4gZWwgUmVwb3NpdG9yaW8gSW5zdGl0dWNpb25hbC4gQXNpbWlzbW8gYXV0b3JpemEgYSBsYSBVbml2ZXJzaWRhZCBkZSBCdXJnb3MgYSByZWFsaXphciBsYXMgdHJhbnNmb3JtYWNpb25lcyBuZWNlc2FyaWFzIGRlIGZvcm1hdG8sIG5vIGRlIGNvbnRlbmlkbywgcGFyYSBnYXJhbnRpemFyIGxhIHByZXNlcnZhY2nDs24geSBlbCBhY2Nlc28gZW4gZWwgZnV0dXJvLgoKRWwgYXV0b3IgZGlzcG9uZSwgZW4gdG9kbyBjYXNvLCBkZWwgZGVyZWNobyBhIHJldm9jYXIgZXN0YSBhdXRvcml6YWNpw7NuLgoKTGEgY2VzacOzbiBkZSBkZXJlY2hvcyBkZSBlc3RhIG9icmEgc2UgZW5jdWVudHJhIHN1amV0YSBhIGxhIGxlZ2lzbGFjacOzbiB2aWdlbnRlIHNvYnJlIHByb3BpZWRhZCBpbnRlbGVjdHVhbCB5IGRlcmVjaG9zIGRlIGF1dG9yLiBTdSBkaWZ1c2nDs24gZW4gZWwgUmVwb3NpdG9yaW8gc2Vyw6EgYmFqbyBsYSBtb2RhbGlkYWQgZGUgbGljZW5jaWEgQ3JlYXRpdmUgQ29tbW9ucyBvIGVxdWl2YWxlbnRlOiByZWNvbm9jaW1pZW50byDigJMgdXNvIG5vIGNvbWVyY2lhbCDigJMgc2luIG9icmEgZGVyaXZhZGEsIHBvciBsYSBxdWUgc2UgcGVybWl0ZSBoYWNlciBjb3BpYSwgZGlzdHJpYnVpciB5IGNvbXVuaWNhciBww7pibGljYW1lbnRlIGxhIG9icmEgc2llbXByZSBxdWUgc2UgY2l0ZSBhbCBhdXRvciwgZWwgdXNvIHF1ZSBzZSBoYWdhIGRlIGVsbGEgc2VhIG5vIGNvbWVyY2lhbCB5IG5vIHNlIGNyZWVuIG9icmFzIGRlcml2YWRhcyBhIHBhcnRpciBkZSBsYSBvcmlnaW5hbC4K