IMPROVED GUANIDINIUM ION-SELECTIVITY BY NOVEL CALIX[4]ARENE AND CALIX[6]ARENE RECEPTOR MOLECULES ON CHEMFETS

被引：39

作者：

KREMER, FJB ^{[1
]}

CHIOSIS, G ^{[1
]}

ENGBERSEN, JFJ ^{[1
]}

REINHOUDT, DN ^{[1
]}

机构：

[1] UNIV TWENTE,MESA INST,DEPT CHEM TECHNOL,7500 AE ENSCHEDE,NETHERLANDS

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1994年 / 04期

关键词：

D O I：

10.1039/p29940000677

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Poly(vinyl chloride) membrane CHEMFETs incorporating a novel calix[4]arene derivative (1). novel calix[6]arene derivatives (3, 4, 5, 6 and 7), phosphate derivatives of p-tert-butylcalix[4]arene (2) or p-tert-butylcalix[6] arene (8) with variable amounts of hydrophobic anions [potassium tetrakis(4-chlorophenyl)borate (KTCTPB)] have been tested for their response to guanidinium ions in the presence of the interfering ions Na+, K+, NH,+ and Ca2+. The best guanidinium selectivity has been obtained for the CHEMFET based on the 1.3,5-triamide derivative of p-tert-butylcalix[6]arene (4), with dibutyl phthalate as solvent mediator, and 50 mol% KTCTPB with respect to the ionophore. The selectivity coefficients (log K-Gu.j(pot)) are the highest reported for guanidinium ions in a potentiometric sensor. The CHEMFETs show an almost ideal Nernstian response in the linear range (slope 58-60 mV decade(-1)).

引用

页码：677 / 681

页数：5

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