Results 1 to 10 of about 4,140,317 (352)

Copper/reduced graphene oxide film modified electrode for non-enzymatic glucose sensing application

Scientific Reports, 2021
Numerous studies suggest that modification with functional nanomaterials can enhance the electrode electrocatalytic activity, sensitivity, and selectivity of the electrochemical sensors.
S. Phetsang, P. Kidkhunthod, N. Chanlek, J. Jakmunee, P. Mungkornasawakul, K. Ounnunkad   +5 more
semanticscholar   +1 more source

Voltammetric Determination of Hg2+, Zn2+, and Pb2+ Ions Using a PEDOT/NTA-Modified Electrode

ACS Omega, 2022
A novel electrochemical sensor for determining trace levels of Hg2+, Pb2+, and Zn2+ ions in water using square wave voltammetry (SWV) is reported. The sensor is based on a platinum electrode (Pt) modified by poly(3,4-ethylenedioxythiophene) and Nα,Nα-bis-
J. Alshawi, Mohammed Q. Mohammed, H. Alesary, Hani K. Ismail, S. Barton   +4 more
semanticscholar   +1 more source

Selective electrochemical determination of dopamine using Thioglycolic acid modified gold electrode

Scientific African, 2023
This study was aimed to investigate the selective electrochemical determination for dopamine based on thioglyolic acid-modified gold electrode. Negatively charged Au electrode surface was created by making Thioglycolic acid film through thiol functional ...
Yideneku Feye, Abebe Diro, Getu Sisay, Shimeles Addisu Kitte   +3 more
doaj   +1 more source

A dopamine electrochemical sensor based on a platinum–silver graphene nanocomposite modified electrode

RSC Advances, 2020
A platinum–silver graphene (Pt–Ag/Gr) nanocomposite modified electrode was fabricated for the electrochemical detection of dopamine (DA). Electrochemical studies of the Pt–Ag/Gr nanocomposite towards DA detection were performed by cyclic voltammetry (CV)
N. S. Anuar, W. Basirun, Md. Shalauddin, S. Akhter   +3 more
semanticscholar   +1 more source

Glutathione detection at carbon paste electrode modified with ethyl 2-(4-Ferrocenyl-[1,2,3]Triazol-1-yl)acetate, ZnFe2O4 nanoparticles and ionic liquid

Journal of Electrochemical Science and Engineering, 2022
The purpose of the present study was to introduce a newly designed approach for determi­nation of glutathione using modified carbon paste electrode with ZnFe2O4 nanoparticles,  ionic liquid (1-butyl-3-methylimidazolium hexafluorophosphate) and ethyl 2-(4-
H. Beitollahi, S. Tajik, Mohammad Reza Aflatoonian, Makarem Asghar   +3 more
semanticscholar   +1 more source

Two-Dimensional Copper/Nickel Metal–Organic Framework Nanosheets for Non-Enzymatic Electrochemical Glucose Detection

Micromachines, 2023
Metal–organic frameworks (MOFs) have broad potential applications in electrochemical glucose detection. Herein, a green ultrasonic synthesis process is presented for preparing two-dimensional (2D) copper–nickel metal–organic framework nanosheets (CuNi ...
Zhou Yao, Libing Zhang, Ting Wu, Haijun Song, Chengli Tang   +4 more
doaj   +1 more source

Biosensing Approach for Glutathione Detection Using Glutathione Reductase (GR) With Multi-Walled Carbon Nanotubes on Gold Electrode

International Journal of Electrochemical Science, 2011
MWCNTs/GR modified electrode which contains multi-walled carbon nanotubes (MWCNTs) and glutathione reductase (GR) has been synthesized on gold electrode. The presence of MWCNTs enhances the surface coverage concentration (Γ) and stability.
Ying Li, Shin-Ying Yang, Shen-Ming Chen
doaj   +1 more source

New insight into 4-nitrobenzene diazonium reduction process: Evidence for a grafting step distinct from NO2 electrochemical reactivity [PDF]

, 2012
Electrochemical and spectroscopic investigations were performed in order to clarify the mechanism of 4-nitrobenzene diazonium reduction on glassy carbon in protic medium.
Evrard, David, Gros, Pierre, Richard, William   +2 more
core   +3 more sources

Role of a non-ionic surfactant in direct electron transfer-type bioelectrocatalysis by fructose dehydrogenase [PDF]

, 2015
A heterotrimeric membrane-bound fructose dehydrogenase (FDH) from Gluconobacter japonicus NBRC3260 contains FAD in subunit I and three heme C moieties in subunit II as the redox centers, and is one of the direct electron transfer (DET)-type redox enzymes.
Kano, Kenji, Kawai, Shota, Kitazumi, Yuki, Matsushita, Kazunobu, Shirai, Osamu, Yakushi, Toshiharu   +5 more
core   +1 more source

Electrochemical Studies of Dopamine and Epinephrine at a Poly (Tannic Acid) Modified Carbon Paste Electrode: A Cyclic Voltammetric Study

International Journal of Electrochemical Science, 2010
A carbon paste electrode (CPE) modified with poly (tannic acid) was used for the sensitive voltammetric determination of dopamine (DA) and epinephrine (EP).
J.G. Manjunatha, B.E. Kumara Swamy, G.P. Mamatha, Ongera Gilbert, B.N. Chandrashekar, B.S. Sherigara   +5 more
doaj   +1 more source