Dipodal Tetraamide Derivatives of 1,10-Diaza-18-Crown-6 and Alkylmalonic Acids—Synthesis and Use as Ionophores in Ion Selective Membrane Electrodes

Novel dipodal derivatives of an 18-membered diaza-crown ether with two diamide chains featuring methylmalonic or butylmalonic acid residues were obtained and tested as ionophores in ion-selective plasticized membrane electrodes. The objective of the study was to identify measurement conditions which...

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Autores principales: Pomećko, Radosław, Luboch, Elżbieta, Jeszke, Maciej
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8348374/
https://www.ncbi.nlm.nih.gov/pubmed/34372221
http://dx.doi.org/10.3390/s21154984
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author Pomećko, Radosław
Luboch, Elżbieta
Jeszke, Maciej
author_facet Pomećko, Radosław
Luboch, Elżbieta
Jeszke, Maciej
author_sort Pomećko, Radosław
collection PubMed
description Novel dipodal derivatives of an 18-membered diaza-crown ether with two diamide chains featuring methylmalonic or butylmalonic acid residues were obtained and tested as ionophores in ion-selective plasticized membrane electrodes. The objective of the study was to identify measurement conditions which ensure the most favorable performance for magnesium ion-selective electrodes. The relationship between the molar lipophilic anion salt-to-ionophore ratio and selectivity of electrodes was examined. The best result was obtained for the conventional electrode containing Mg2 ionophore. Calculated selectivity coefficients were as follows: logK(Mg/Ca) = −2.77, logK(Mg/Na) = −3.46 and logK(Mg.K) = −2.24 (SSM, 1M).
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spelling pubmed-83483742021-08-08 Dipodal Tetraamide Derivatives of 1,10-Diaza-18-Crown-6 and Alkylmalonic Acids—Synthesis and Use as Ionophores in Ion Selective Membrane Electrodes Pomećko, Radosław Luboch, Elżbieta Jeszke, Maciej Sensors (Basel) Article Novel dipodal derivatives of an 18-membered diaza-crown ether with two diamide chains featuring methylmalonic or butylmalonic acid residues were obtained and tested as ionophores in ion-selective plasticized membrane electrodes. The objective of the study was to identify measurement conditions which ensure the most favorable performance for magnesium ion-selective electrodes. The relationship between the molar lipophilic anion salt-to-ionophore ratio and selectivity of electrodes was examined. The best result was obtained for the conventional electrode containing Mg2 ionophore. Calculated selectivity coefficients were as follows: logK(Mg/Ca) = −2.77, logK(Mg/Na) = −3.46 and logK(Mg.K) = −2.24 (SSM, 1M). MDPI 2021-07-22 /pmc/articles/PMC8348374/ /pubmed/34372221 http://dx.doi.org/10.3390/s21154984 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Pomećko, Radosław
Luboch, Elżbieta
Jeszke, Maciej
Dipodal Tetraamide Derivatives of 1,10-Diaza-18-Crown-6 and Alkylmalonic Acids—Synthesis and Use as Ionophores in Ion Selective Membrane Electrodes
title Dipodal Tetraamide Derivatives of 1,10-Diaza-18-Crown-6 and Alkylmalonic Acids—Synthesis and Use as Ionophores in Ion Selective Membrane Electrodes
title_full Dipodal Tetraamide Derivatives of 1,10-Diaza-18-Crown-6 and Alkylmalonic Acids—Synthesis and Use as Ionophores in Ion Selective Membrane Electrodes
title_fullStr Dipodal Tetraamide Derivatives of 1,10-Diaza-18-Crown-6 and Alkylmalonic Acids—Synthesis and Use as Ionophores in Ion Selective Membrane Electrodes
title_full_unstemmed Dipodal Tetraamide Derivatives of 1,10-Diaza-18-Crown-6 and Alkylmalonic Acids—Synthesis and Use as Ionophores in Ion Selective Membrane Electrodes
title_short Dipodal Tetraamide Derivatives of 1,10-Diaza-18-Crown-6 and Alkylmalonic Acids—Synthesis and Use as Ionophores in Ion Selective Membrane Electrodes
title_sort dipodal tetraamide derivatives of 1,10-diaza-18-crown-6 and alkylmalonic acids—synthesis and use as ionophores in ion selective membrane electrodes
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8348374/
https://www.ncbi.nlm.nih.gov/pubmed/34372221
http://dx.doi.org/10.3390/s21154984
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