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二齿四酰胺衍生物的 1,10-二氮杂-18-冠-6 和丙二酸-Synthesis 和用作离子选择性膜电极中的离子载体。

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

机构信息

Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza Street 11/12, 80-233 Gdańsk, Poland.

出版信息

Sensors (Basel). 2021 Jul 22;21(15):4984. doi: 10.3390/s21154984.

DOI:10.3390/s21154984
PMID:34372221
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8348374/
Abstract

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: log = -2.77, log = -3.46 and log = -2.24 (SSM, 1M).

摘要

新型的具有两个二酰胺链的 18 元氮杂冠醚的二足衍生物，带有甲基丙二酸或丁基丙二酸残基，被用作离子选择性塑化膜电极中的离子载体进行测试。该研究的目的是确定确保镁离子选择性电极性能最有利的测量条件。研究了摩尔亲脂性阴离子盐与载体的比例与电极选择性之间的关系。最好的结果是使用含有 Mg2 离子载体的常规电极获得的。计算出的选择性系数如下：log = -2.77，log = -3.46 和 log = -2.24（SSM，1M）。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5f27/8348374/a1745fc6e32e/sensors-21-04984-g015.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5f27/8348374/286d91a9d1c1/sensors-21-04984-sch001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5f27/8348374/658e3c4fadb6/sensors-21-04984-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5f27/8348374/41c32700e6ce/sensors-21-04984-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5f27/8348374/d97d49496c64/sensors-21-04984-g012.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5f27/8348374/e25992688508/sensors-21-04984-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5f27/8348374/a1745fc6e32e/sensors-21-04984-g015.jpg

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