Fast and Unique Electrochemical Sensor Amplified with MgO/CNTs and Ionic Liquid for Monitoring of Isuprel in Pharmaceutical and Biological Fluid Samples

被引：5

作者：

Zaheiritousi, Nona ^{[1
]}

Zamani, Hassan Ali ^{[1
]}

Karimi-Maleh, Hassan ^{[2
]}

机构：

[1] Islamic Azad Univ, Dept Appl Chem, Mashhad Branch, Mashhad 9187147578, Razavi Khorasan, Iran

[2] Quchan Univ Technol, Dept Chem Engn & Energy, Lab Nanotechnol, Quchan 9477177870, Iran

来源：

TOPICS IN CATALYSIS | 2022年 / 65卷 / 5-6期

基金：

英国科研创新办公室;

关键词：

Isuprel; MgO; CNTs nanocomposite; 1-butyl-3-methylimidazolium hexafluorophosphate; Catalytic effect; INJECTION SPECTROPHOTOMETRIC DETERMINATION; GRAPHENE QUANTUM DOTS; CARBON NANOTUBES; VOLTAMMETRIC DETERMINATION; SPECTROSCOPIC METHODS; PASTE ELECTRODE; ISOPROTERENOL; NANOCOMPOSITE; ACETAMINOPHEN; ISOPRENALINE;

D O I：

10.1007/s11244-022-01598-2

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The purpose of this study was to investigate the electrochemical sensing of isuprel in biological fluids and pharmaceutical samples using a modified paste electrode (MPE). PE was amplified and used as a new analytical tool for Isuprel monitoring using a MgO/CNTs nanocomposite and 1-butyl-3-methylimidazolium hexafluorophosphate (BMHFP). In an aqueous solution, the MgO/CNTs/BMHFP/MPE system increased the oxidation signal of Isuprel by approximately 4.15 times. Under optimal analytical conditions (pH = 7.0), the oxidation signal of Isuprel was reduced by approximately 145 mV at the surface of MgO/CNTs/BMHFP/MPE in comparison to MPE, confirming the mediators' catalytic activity at the surface sensor. The MgO/CNTs/BMHFP/MPE monitored Isuprel in the concentration range 0.6 nM-420 mu M with a detection limit of 0.1 nM, respectively. The ability of MgO/CNTs/BMHFP/MPE to monitor Isuprel in injection and dextrose saline samples was demonstrated using standard addition data.

引用

页码：739 / 746

页数：8

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