A novel high selective and sensitive para-nitrophenol voltammetric sensor, based on a molecularly imprinted polymer–carbon paste electrode

Alizadeh, Taher; Ganjali, Mohammad Reza; Norouzi, Parviz; Zare, M.M.; Zeraatkar, Ali

doi:10.1016/j.talanta.2009.02.051

Cited by 145 publications

(57 citation statements)

References 29 publications

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“…It is observed that PNP yields one reduction peak R 1 resulted from an irreversible reduction of the nitro group to give the corresponding hydroxylamine species. In addition a pair of well-defined redox peaks (R 2 and O 1 ) was obtained during the second scan due to quasi-reversible behavior of hydroxylamine to its derivative as reported [18] (Scheme 1).…”

Section: Resultsmentioning

confidence: 72%

Fullerene‐β‐Cyclodextrin Conjugate Based Electrochemical Sensing Device for Ultrasensitive Detection of p‐Nitrophenol

2013

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The article describes the use of a fullerene (C 60 )-b-cyclodextrin conjugate, synthesized via 1,3-dipolar cycloaddition, for the ultrasensitive electrochemical detection of p-nitrophenol. This conjugate was successfully immobilized on the surface of a glassy carbon electrode and the developed device showed high activity towards p-nitrophenol due to the synergetic effect of C 60 , the latter becoming highly conductive upon reduction. The determination of p-nitrophenol was performed by using square wave voltammetry over a concentration range from 2.8 10À7 mol L À1 and the detection limit was calculated to be 1.2 10 À9 mol L À1 .

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Section: Resultsmentioning

confidence: 72%

Fullerene‐β‐Cyclodextrin Conjugate Based Electrochemical Sensing Device for Ultrasensitive Detection of p‐Nitrophenol

2013

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“…Recovery higher than 95% was obtained for extraction of catechol even in the presence of structurally similar phenolic compounds [139]. Further, pnitro phenol was also detected using DPV [43].…”

Section: Generation Of Signal By the Analyte Itselfmentioning

confidence: 91%

Molecularly Imprinted Electrochemical Sensors

Suryanarayanan

2010

Electroanalysis

220

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In this review, the applications of molecularly imprinted polymer (MIP) materials in the area of electrochemical sensors have been explored. The designs of the MIPs containing different polymers, their preparation and their immobilization on the transducer surface have been discussed. Further, the employment of various transducers containing the MIPs based on different electrochemical techniques for determining analytes has been assessed. In addition, the general protocols for getting the electrochemical signal based on the binding ability of analyte with the MIPs have been given. The review ends with describing scope and limitations of the above electrochemical based MIP sensors.

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“…Despite the chemical stability, mutagenicity and carcinogenicity of NACs attributes as highly toxic and hazardous to the environment, animals and human beings [4,5]. In addition, there is a possibility to undergo photochemical or microbiological degradation in the environment to form other NACs [6].…”

Section: Introductionmentioning

confidence: 99%

Electroreduction of Nitroaromatic Compounds at Electrochemically Reduced Graphene Oxide Supported Bimetallic Ag@Pd Nanorods Modified Electrodes

2016

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The design and fabrication of nanostructured electrode with high activity at low cost are crucial elements in studying the toxicity of environmental pollutants. Here, we develop a combined step of generating Electrochemically Reduced Graphene Oxide (ERGO) nanosheets on the surface of the glassy carbon electrode where an effective seed mediated growth followed by a galvanic exchange process were introduced for the direct growth of Ag core @Pd shell nanorods (Ag@Pd NRDs). The resulting electrode possesses a large surface area, interconnected porous networks, uniform distribution of bimetallic Ag@Pd NRDs with extremely thin size of Pd generation and good electrical conductivity, which are highly desirable for the electrocatalytic reduction of nitroaromatic compounds (NACs). In the fabrication step, the shell like Cu at the bimetallic NRDs acts as a sacrificial template for forming a thin layer of Pd at Ag NRDs surface by redox replacement reaction. Thus, the resultant Ag@Pd NRDs on ERGO modified electrode was profoundly tested for the electrochemical sensing of NACs with high sensitivity, selectivity and a very low detection limit of 1.8×10−11 M. Differential Pulse Voltammetry (DPV) was used to study the linear range of 4‐nitroaniline (4‐NA) between 1.0×10−9 M and 1.2×10−8 M. The modified electrode exhibits better reproducibility and long term stability. In addition, the modified electrode out performed well in the real sample analysis containing NACs in the presence of different interfering cations and anions.

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A novel high selective and sensitive para-nitrophenol voltammetric sensor, based on a molecularly imprinted polymer–carbon paste electrode

Cited by 145 publications

References 29 publications

Fullerene‐β‐Cyclodextrin Conjugate Based Electrochemical Sensing Device for Ultrasensitive Detection of p‐Nitrophenol

Fullerene‐β‐Cyclodextrin Conjugate Based Electrochemical Sensing Device for Ultrasensitive Detection of p‐Nitrophenol

Molecularly Imprinted Electrochemical Sensors

Electroreduction of Nitroaromatic Compounds at Electrochemically Reduced Graphene Oxide Supported Bimetallic Ag@Pd Nanorods Modified Electrodes

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