Results 31 to 40 of about 532,513 (257)

Cocoa Powder Antioxidant Activity Test Using Cyclic Voltammetry and Differential Pulse Voltammetry Methods

Chemistry and Materials, 2023
The main antioxidant compounds contained in cocoa are polyphenols, including flavonoids such as epicatechin, catechin, and procyanidin. This study aims to determine the antioxidant activity of three samples of cocoa powder using 1,1-diphenyl-2 ...
Anis Sakinah, Ibrahim Dhuafa Fikri
doaj   +1 more source

Measuring Tryptophan Dynamics Using Fast Scan Cyclic Voltammetry at Carbon Fiber Microelectrodes with Improved Sensitivity and Selectivity [PDF]

, 2023
Despite the fact that tryptophan is an essential amino acid that humans typically obtain through diet, there are several interesting tryptophan dynamics at play in the body.
Yangguang, Ou, Terdha, Narla, Lillian, Russo-Savage, Kathryn, Laprade, Isabella, Schapira, James, Stafford, Maggie, O\u27Neill   +6 more
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Cyclic voltammetry of polypyrroledodecylbenzenesulfonate layers [PDF]

, 1994
Polypyrrole was deposited from solutions of NaCIO. and NaDBS, where DBS is dodecylbenzenesulfonate in aqueous soluion and characterizcd by voltammetry.
Cassidy, John F, McCormac, T., McGee, A., Breen, W., Cassidy, John, Lyons, M. E.G.   +5 more
core   +1 more source

Cyclic voltammetry of quinones [PDF]

, 2019
Cyclic voltammetry (CV) is a potentiodynamic technique that finds application in various fields of chemistry, physics, pharmacy, biology etc. Its primary application is to get insight into the redox mechanisms of various important redox active compounds ...
Gulaboski, Rubin, Petkovska, Sofija, Maksimova, Viktorija, Kokoskarova, Pavlinka, Janeva, Milkica   +4 more
core   +1 more source

Modification of Screen Printed Carbon Electrode (SPCE) with Polypyrrole (Ppy)-SiO2 for Phenol Determination

Journal of Pure and Applied Chemistry Research, 2018
Electrode modification on screen printed carbon electrode (SPCE) with polypyrrole (Ppy)-SiO2 was done by electropolymerization. Polypyrrole (Ppy)-SiO2 was used for phenol determination.
Ani Mulyasuryani, Akhmad Sabarudin
doaj   +1 more source

Electrochemical Properties of Graphene-based All-solid-state Planar Supercapacitors

Journal of Harbin University of Science and Technology, 2018
For a problem of low performance of planar supercapacitors, graphene films were prepared by a method of direct growth on silicon wafers as electrodes, and PVA/H2SO4 is used as gel electrolyte.
ZHANG Guang-yu, LIU Lin-jing, XU Rui, WANG Xin, LI Chuang, Lv Yin-lin, CHEN Yu-juan, ZHU Da-fu, YANG Xin-rui   +8 more
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The Fabrication of ZnO Nanoparticles-Modified Carbon Paste Electrode for the Analysis of Nicotine Content in E-Cigarette Liquids by Cyclic Voltammetry

Indonesian Journal of Chemical Research
ZnO nanoparticles were used as composites on carbon paste working electrodes to enhance electrode performance in the analysis of nicotine content in e-cigarette liquids by voltammetry cyclic. The optimum composition and condition (pH and scan rate) were
Vita Ayu Fatihah, Pirim Setiarso
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A Nano˗Sepiolite Clay Electrochemical Sensor for the Rapid Electro–Catalytic Detection of Hydroquinone in Cosmetic Products

Acta Chimica Slovenica, 2018
In this paper, a simple and sensitive electrochemical nano-sensor was developed for the analysis of hydroquinone based on sepiolite clay modified carbon paste sensor by using differential pulse adsorptive stripping voltammetry and square wave adsorptive ...
Sevda Aydar, Dilek Eskiköy Bayraktepe, Hayati Filik, Zehra Yazan   +3 more
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Cyclic voltammetry and chronoamperometry data

, 2016
Raw numerical data for cyclic voltammetry, chronoamperometry and remaining figures from the linked ...
Jacquemin, Johan, Johnson Matthey Technology Centre, Compton, Richard G., UOA8 - Chemistry, Ball, Sarah, Centre for the Theory and Application of Catalysis (CenTACat), Li, Peilin, UOA12 - Aeronautical, Mechanical, Chemical and Manufacturing Engineering, Neale, Alex, Goodrich, Peter, University of Oxford, Hardacre, Christopher, School of Chemistry and Chemical Engineering   +12 more
core   +1 more source

Determination of Caffeic Acid in Wine Samples Based on the Electrochemical Reduction of Graphene Oxide Modified Screen Printed Carbon Electrode

International Journal of Electrochemical Science, 2017
An electrochemically reduced graphene oxide was produced by cyclic voltammetric technique and ERGO modified electrode used a new sensor for determination of caffeic acid (CA).
Murugan Velmurugan, Paramasivam Balasubramanian, Shen-Ming Chen   +2 more
doaj   +1 more source