Results 41 to 50 of about 1,884 (181)

A Novel Poly (Taurine)/Nano Gold Modified Electrode for the Determination of Arsenic in Various Water Samples

International Journal of Electrochemical Science, 2011
Poly taurine nano gold film has been fabricated on glassy carbon electrode (GCE) and ITO using cyclic voltammetry. Fabricated poly taurine nano gold film modified GCE has been successfully employed for the detection of arsenic in lab analysis and real ...
Muniyandi Rajkumar, Shr-Chiang Chiou, Shen-Ming Chen, Soundappan Thiagarajan   +3 more
doaj   +1 more source

3,4-Methylenedioxypyrovalerone (MDPV) Sensing Based on Electropolymerized Molecularly Imprinted Polymers on Silver Nanoparticles and Carboxylated Multi-Walled Carbon Nanotubes

Nanomaterials, 2021
3,4-methylenedioxypyrovalerone (MDPV) is a harmful and controlled synthetic cathinone used as a psychostimulant drug and as sport-enhancing substance. A sensor was developed for the direct analysis of MDPV by transducing its oxidation signal by means of ...
Rosa A. S. Couto, Constantino Coelho, Bassim Mounssef, Sara F. de A. Morais, Camila D. Lima, Wallans T. P. dos Santos, Félix Carvalho, Cecília M. P. Rodrigues, Ataualpa A. C. Braga, Luís Moreira Gonçalves, M. Beatriz Quinaz   +10 more
doaj   +1 more source

Electrochemical Oxidation and Amperometric Determination of Isoniazid at Functionalized Multiwalled Carbon Nanotube Modified Electrode

International Journal of Electrochemical Science, 2012
In this work we report the fabrication of an electrochemical sensor for the amperometric determination of isoniazid (ISN) based on functionalized multiwalled carbon nanotube (f-MWCNT) modified glassy carbon electrode (GCE).
Wan-Chun Chen, Binesh Unnikrishnan, Shen-Ming Chen   +2 more
doaj   +1 more source

A Review on Electrochemical Microsensors for Ascorbic Acid Detection: Clinical, Pharmaceutical, and Food Safety Applications

Micromachines, 2022
Nowadays, micro-sized sensors have become a hot topic in electroanalysis. Because of their excellent analytical features, microelectrodes are well-accepted tools for clinical, pharmaceutical, food safety, and environmental applications.
Totka Dodevska, Dobrin Hadzhiev, Ivan Shterev   +2 more
doaj   +1 more source

Electrocatalytic Oxidation of Guanine and Adenine Based on Iron Hexacyanoferrate Film Modified Electrodes

International Journal of Electrochemical Science, 2012
Iron hexacyanoferrate (FeHCF) film was successfully prepared on electrode surface in the mixing Fe3+ and Fe(CN)63- solution and studied with two monovalent cations (K+ and Na+) by consecutive cyclic voltammetry.
Shen-Ming Chen, Ching-Hung Wang, Kuo-Chiang Lin   +2 more
doaj   +1 more source

Nano TiO2-PEDOT Film for the Simultaneous Detection of Ascorbic Acid and Diclofenac

International Journal of Electrochemical Science, 2012
Glassy carbon electrode (GCE) and indium tin oxide coated glass electrodes (ITO) have been successfully modified with the manual coatings of nano TiO2 particles following with the electrochemical deposition of electroactive polymer poly (3, 4 ...
Soundappan Thiagarajan, Muniyandi Rajkumar, Shen-Ming Chen   +2 more
doaj   +1 more source

Influence of Quantum Dot Surface on Electrochemical DNA Sensing Mechanism

ChemElectroChem, 2020
Owing to their high surface‐to‐volume ratio, electrocatalytic activity, biocompatibility and novel electron transport properties, quantum dots (QDs) are highly attractive materials for the ultrasensitive detection of biological macromolecules via ...
Dr. Xolile Fuku, Priscilla Baker, Emmanuel Iwuoha   +2 more
doaj   +1 more source

Electrocatalysis Study of Biological Molecules and Oxides Using Nanocomposite of Polyaniline and Silicomolybdate Hybrid Film

International Journal of Electrochemical Science, 2011
A nanocomposite of polyaniline and silicomolybdate has been successfully co-deposited on electrode surface by aniline electropolymerization and the electrostatic interaction between the positive charge polyaniline and the negative charge silicomolybdate.
Kuo-Chiang Lin, Xiao-Cheng Jian, Shen-Ming Chen   +2 more
doaj   +1 more source

Amperometric Determination of Folic Acid at Multi-Walled Carbon Nanotube-Polyvinyl Sulfonic Acid Composite Film Modified Glassy Carbon Electrode

International Journal of Electrochemical Science, 2011
We investigated the electrochemical reduction behavior of folic acid (FA) at multi-walled carbon nanotube-polyvinylsulfonate (MWCNT-PVS) composite film modified glassy carbon electrode (GCE) using cyclic voltammetry (CV).
Binesh Unnikrishnan, Yan-Ling Yang, Shen-Ming Chen   +2 more
doaj   +1 more source

Capillary Electrophoresis With Amperometric Detection for Neurotransmitter Analysis: Principles, Electrode Materials, Methodologies, and Applications

ELECTROPHORESIS, Volume 47, Issue 6, Page 450-478, June 2026.
This review provides a comprehensive summary of monoamine neurotransmitter analysis by capillary electrophoresis with amperometric detection. Fundamental principles of amperometric detection, electrode positioning strategies, and approaches to high‐voltage decoupling are described, followed by a critical comparison of electrode materials, selection of ...
Petr Kubáň, Jiří Volánek, Nguyen Thi Thu Trang, Tran Dai Lam   +3 more
wiley   +1 more source