Asymmetric Pt(II)-Porphyrin Incorporated in a PVC Ion-Selective Membrane for the Potentiometric Detection of Citrate

被引：2

作者：

Vlascici, Dana ^{[1
]}

Lascu, Anca ^{[2
]}

Fratilescu, Ion ^{[2
]}

Anghel, Diana ^{[2
]}

Epuran, Camelia ^{[2
]}

Birdeanu, Mihaela ^{[3
]}

Chiriac, Vlad ^{[1
]}

Fagadar-Cosma, Eugenia ^{[2
]}

机构：

[1] West Univ Timisoara, Fac Chem Biol Geog, 4 Vasile Parvan Ave, Timisoara 300223, Romania

[2] Inst Chem Coriolan Dragulescu, Mihai Viteazu Ave 24, Timisoara 300223, Romania

[3] Natl Inst Res & Dev Electrochem & Condensed Matter, Plautius Andronescu St 1, Timisoara 300224, Romania

来源：

CHEMOSENSORS | 2023年 / 11卷 / 02期

关键词：

Pt-metalloporphyrin; A(3)B porphyrin; potentiometric sensor; PVC membrane; citrate ion detection; SOFT DRINKS; PI-PI; ELECTRODES; NANOPARTICLES; PORPHYRINS; PLATINUM(II); BEVERAGES; GRAPHITE; GRAPHENE; SENSOR;

D O I：

10.3390/chemosensors11020108

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new sensing material, Pt(II)-5-(4-carboxyphenyl)-10,15,20-tris(4-phenoxyphenyl)-porphyrin (Pt(II)-COOH-TPOPP), was synthesized and characterized. Polymeric membranes containing the porphyrin and three different plasticizers were used as an electroactive material for a new anion-selective sensor. The best composition of the membrane was the one plasticized with dioctylsebacate (DOS), the obtained sensor being citrate-selective in a linear range of 5 x 10(-7)-1 x 10(-1) M citrate. The slope was Nernstian (19.73 mV/decade) with good selectivity towards a number of interfering anions and a lifetime of five weeks.

引用

页数：17

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