Articles with "carbon paste" as a keyword



Glucose biosensor based on immobilization of glucose oxidase on a carbon paste electrode modified with microsphere‐attached l‐glycine

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Published in 2017 at "Biotechnology and Applied Biochemistry"

DOI: 10.1002/bab.1533

Abstract: In the present study, a novel biosensor that is sensitive to glucose was prepared using the microspheres modified with (4‐formyl‐3‐methoxyphenoxymethyl)polystyrene (FMPS) with l‐glycine. Polymeric microspheres having Schiff bases were prepared from FMPS using the glycine… read more here.

Keywords: carbon paste; biosensor; glucose; glucose biosensor ... See more keywords

A Carbon Paste Electrode Modified by Bentonite and l‐Cysteine for Simultaneous Determination of Ascorbic and Uric Acids: Application in Biological Fluids

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Published in 2023 at "ChemistryOpen"

DOI: 10.1002/open.202200201

Abstract: Abstract A novel modification of a paste carbon electrode by Bentonite (Bent) and l‐Cysteine (l‐Cyst) was carried out for uric acid (UA) and ascorbic acid (AA) detection and quantification. Morphological and compositional characterization of the… read more here.

Keywords: electrode; carbon paste; paste electrode; paste ... See more keywords

A novel ZnO/reduced graphene oxide and Prussian blue modified carbon paste electrode for the sensitive determination of Rutin

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Published in 2018 at "Science China Chemistry"

DOI: 10.1007/s11426-018-9353-x

Abstract: A carbon paste modified sensor based on a novel composite of zinc oxide nanoparticles deposited on reduced graphene oxide (ZnO-rGrO) and Prussian blue (PB) was drop-cast (ZnO-rGrO-PB/MCPE) for the sensitive estimation of Rutin (Rtn) at… read more here.

Keywords: spectroscopy; zno; carbon paste; zno rgro ... See more keywords

Rapid, trace-level direct cathodic voltammetric determination of dopamine by oxidized multiwalled carbon nanotube–modified carbon paste electrode in selected samples of pharmaceutical importance

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Published in 2019 at "Ionics"

DOI: 10.1007/s11581-019-03156-5

Abstract: Selected carbonaceous nanomaterial–modified carbon paste electrodes (CPEs) were compared for trace-level determination of dopamine (DA) by direct cathodic square wave voltammetry (SWV). The advanced nanomaterials containing electrodes were obtained from homemade multiwalled carbon nanotubes (MWCNTs)… read more here.

Keywords: determination dopamine; carbon; modified carbon; carbon paste ... See more keywords

Preparation and characterization of in situ carbon paste and screen-printed potentiometric sensors for determination of econazole nitrate: surface analysis using SEM and EDX

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Published in 2017 at "Journal of the Iranian Chemical Society"

DOI: 10.1007/s13738-017-1171-4

Abstract: The construction and performance characteristics of new sensitive and selective in situ carbon paste (ICPE) and screen-printed (ISPE) potentiometric sensors modified with ion-pairing agents such as phosphotungstic acid, sodium tetraphenylborate, phosphomolybdic acid and ammonium reineckate… read more here.

Keywords: carbon paste; econazole nitrate; situ carbon; potentiometric sensors ... See more keywords

Fabrication of a renewable syringe carbon paste electrode with a motor rotary blade and using for voltammetric measurement of dipyridamole

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Published in 2018 at "Journal of the Iranian Chemical Society"

DOI: 10.1007/s13738-018-1383-2

Abstract: In this work, we fabricated a new renewable syringe carbon paste electrode (SCPE) equipped with a motor rotary cutting blade and used for voltammetric determination of dipyridamole (DIP) in aqueous solution, at room temperature. The… read more here.

Keywords: syringe; paste electrode; carbon paste;
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Carbon nitride nanoparticles modified carbon paste electrodes as potentiometric sensors for determination of nickel(II) and chromium(III) ions in tap water samples

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Published in 2020 at "Journal of the Iranian Chemical Society"

DOI: 10.1007/s13738-020-02105-8

Abstract: Chromium and nickel ions are two heavy metal ions with highly application in the various industries, and the entry of their effluents into the environment is the main cause of pollution. Therefore, new carbon paste… read more here.

Keywords: carbon; carbon paste; iii ions; carbon nitride ... See more keywords

Electrochemical Detection of the Different Species of Levofloxacin Using PVC, Carbon Paste and Screen-Printed Electrodes: Effect of pH

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Published in 2018 at "Journal of Analysis and Testing"

DOI: 10.1007/s41664-018-0056-6

Abstract: The zwitterionic compound, levofloxacin, was determined for the first time at different pH values in pure samples, pharmaceutical preparations and spiked serum and urine samples. Different types of potentiometric sensors including poly (vinyl chloride) membrane… read more here.

Keywords: effect; carbon paste; different species; screen printed ... See more keywords

A sensing platform of molecular imprinted polymer-based polyaniline/carbon paste electrodes for simultaneous potentiometric determination of alfuzosin and solifenacin in binary co-formulation and spiked plasma.

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Published in 2022 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2022.339599

Abstract: Solid contact ion-selective electrodes (ISEs) have witnessed versatile applications in pharmaceutical and biological analysis however they suffer from some limitations. Besides formation of water layer, the doped ion exchanger in sensing membrane fails to distinguish… read more here.

Keywords: solifenacin; alfuzosin solifenacin; determination alfuzosin; alfuzosin ... See more keywords

Square wave voltammetric determination of anticancer drug flutamide using carbon paste electrode modified by CuO/GO/PANI nanocomposite

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Published in 2020 at "Arabian Journal of Chemistry"

DOI: 10.1016/j.arabjc.2018.11.001

Abstract: Abstract The electrochemical behavior of flutamide was investigated using a carbon paste electrode (CPE) modified by CuO nanoparticles/graphene oxide/polyaniline (CuO/GO/PANI) nanocomposite. Square wave and differential pulse voltammetry were studied in different concentrations of flutamide. Square… read more here.

Keywords: carbon paste; electrode; paste electrode; square wave ... See more keywords

Electrochemical sensor for Cd2+ and Pb2+ detection based on nano-porous pseudo carbon paste electrode

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Published in 2019 at "Chinese Chemical Letters"

DOI: 10.1016/j.cclet.2019.05.020

Abstract: Abstract An electrochemical sensor based on self-made nano-porous pseudo carbon paste electrode (nano-PPCPE) has been successfully developed, and used to detect Cd2+ and Pb2+. The experimental results showed that the electrochemical performance of nanoPPCPE is… read more here.

Keywords: cd2 pb2; carbon paste; paste electrode; cd2 ... See more keywords