Electrochemical sensor based on multi-walled carbon nanotubes and 4-(((4-mercaptophenyl)imino)methyl) benzene-1,2-diol for simultaneous determination of epinephrine in the presence of acetaminophen

Electrochemical sensor based on multi-walled carbon nanotubes and 4-(((4-mercaptophenyl)imino)methyl) benzene-1,2-diol for simultaneous determination of epinephrine in the presence of acetaminophen

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A carbon paste electrode modified with 4-(((4-mercaptophenyl)imino)methyl)benzene-1,2-diol (MIB) and multi-walled carbon nanotubes MIB /CNT/CPE) was prepared for determination of epinefrine (EP) in the presence of acetaminophen (AC). Cyclic voltammetry, chronoamperometry and differential pulse voltam...

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Main Authors: Roghayyeh Aghaei, Mohammad Mazloum-Ardakani, Mohammad Abdollahi-Alibeik, Ali Moaddeli
Format: Article
Language:English
Published: Shiraz University of Medical Sciences 2018-09-01
Series:Trends in Pharmaceutical Sciences
Online Access:http://tips.sums.ac.ir/article_42260_dbc52bbf52dbf81060bd6a71c19d9e92.pdf
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spelling doaj-f30eab6a10c24509a50cbc18b4aa277f2020-11-25T02:04:09ZengShiraz University of Medical SciencesTrends in Pharmaceutical Sciences2423-56522018-09-014313914842260Electrochemical sensor based on multi-walled carbon nanotubes and 4-(((4-mercaptophenyl)imino)methyl) benzene-1,2-diol for simultaneous determination of epinephrine in the presence of acetaminophenRoghayyeh AghaeiMohammad Mazloum-ArdakaniMohammad Abdollahi-AlibeikAli MoaddeliA carbon paste electrode modified with 4-(((4-mercaptophenyl)imino)methyl)benzene-1,2-diol (MIB) and multi-walled carbon nanotubes MIB /CNT/CPE) was prepared for determination of epinefrine (EP) in the presence of acetaminophen (AC). Cyclic voltammetry, chronoamperometry and differential pulse voltammetry (DPV) techniques were used to investigate the modified electrode for the electrocatalytic oxidation of (EP) and (AC) in aqueous solutions. The separation of the oxidation peak potential for EP- AC was 200 mV. Under the optimum conditions, the calibration curve for EP was obtained in the range of 1.0 to 25.0 µM and 25.0 to 500.0 µM. The diffusion coefficient for the oxidation of EP at the surface of modified electrode was calculated as 5.76×10-5 cm2s-1.http://tips.sums.ac.ir/article_42260_dbc52bbf52dbf81060bd6a71c19d9e92.pdf
collection DOAJ
language English
format Article
sources DOAJ
author Roghayyeh Aghaei
Mohammad Mazloum-Ardakani
Mohammad Abdollahi-Alibeik
Ali Moaddeli
spellingShingle Roghayyeh Aghaei
Mohammad Mazloum-Ardakani
Mohammad Abdollahi-Alibeik
Ali Moaddeli
Electrochemical sensor based on multi-walled carbon nanotubes and 4-(((4-mercaptophenyl)imino)methyl) benzene-1,2-diol for simultaneous determination of epinephrine in the presence of acetaminophen
Trends in Pharmaceutical Sciences
author_facet Roghayyeh Aghaei
Mohammad Mazloum-Ardakani
Mohammad Abdollahi-Alibeik
Ali Moaddeli
author_sort Roghayyeh Aghaei
title Electrochemical sensor based on multi-walled carbon nanotubes and 4-(((4-mercaptophenyl)imino)methyl) benzene-1,2-diol for simultaneous determination of epinephrine in the presence of acetaminophen
title_short Electrochemical sensor based on multi-walled carbon nanotubes and 4-(((4-mercaptophenyl)imino)methyl) benzene-1,2-diol for simultaneous determination of epinephrine in the presence of acetaminophen
title_full Electrochemical sensor based on multi-walled carbon nanotubes and 4-(((4-mercaptophenyl)imino)methyl) benzene-1,2-diol for simultaneous determination of epinephrine in the presence of acetaminophen
title_fullStr Electrochemical sensor based on multi-walled carbon nanotubes and 4-(((4-mercaptophenyl)imino)methyl) benzene-1,2-diol for simultaneous determination of epinephrine in the presence of acetaminophen
title_full_unstemmed Electrochemical sensor based on multi-walled carbon nanotubes and 4-(((4-mercaptophenyl)imino)methyl) benzene-1,2-diol for simultaneous determination of epinephrine in the presence of acetaminophen
title_sort electrochemical sensor based on multi-walled carbon nanotubes and 4-(((4-mercaptophenyl)imino)methyl) benzene-1,2-diol for simultaneous determination of epinephrine in the presence of acetaminophen
publisher Shiraz University of Medical Sciences
series Trends in Pharmaceutical Sciences
issn 2423-5652
publishDate 2018-09-01
description A carbon paste electrode modified with 4-(((4-mercaptophenyl)imino)methyl)benzene-1,2-diol (MIB) and multi-walled carbon nanotubes MIB /CNT/CPE) was prepared for determination of epinefrine (EP) in the presence of acetaminophen (AC). Cyclic voltammetry, chronoamperometry and differential pulse voltammetry (DPV) techniques were used to investigate the modified electrode for the electrocatalytic oxidation of (EP) and (AC) in aqueous solutions. The separation of the oxidation peak potential for EP- AC was 200 mV. Under the optimum conditions, the calibration curve for EP was obtained in the range of 1.0 to 25.0 µM and 25.0 to 500.0 µM. The diffusion coefficient for the oxidation of EP at the surface of modified electrode was calculated as 5.76×10-5 cm2s-1.
url http://tips.sums.ac.ir/article_42260_dbc52bbf52dbf81060bd6a71c19d9e92.pdf
work_keys_str_mv AT roghayyehaghaei electrochemicalsensorbasedonmultiwalledcarbonnanotubesand44mercaptophenyliminomethylbenzene12diolforsimultaneousdeterminationofepinephrineinthepresenceofacetaminophen
AT mohammadmazloumardakani electrochemicalsensorbasedonmultiwalledcarbonnanotubesand44mercaptophenyliminomethylbenzene12diolforsimultaneousdeterminationofepinephrineinthepresenceofacetaminophen
AT mohammadabdollahialibeik electrochemicalsensorbasedonmultiwalledcarbonnanotubesand44mercaptophenyliminomethylbenzene12diolforsimultaneousdeterminationofepinephrineinthepresenceofacetaminophen
AT alimoaddeli electrochemicalsensorbasedonmultiwalledcarbonnanotubesand44mercaptophenyliminomethylbenzene12diolforsimultaneousdeterminationofepinephrineinthepresenceofacetaminophen
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