Results 1 to 10 of about 2,111,174 (298)

Modelling Amperometric Biosensors Based on Chemically Modified Electrodes [PDF]

Sensors, 2008
The response of an amperometric biosensor based on a chemically modified electrode was modelled numerically. A mathematical model of the biosensor is based on a system of non-linear reaction-diffusion equations.
Juozas Kulys, Romas Baronas
doaj   +3 more sources

Transient Current of Catalytic Processes at Chemically Modified Electrodes

International Journal of Electrochemical Science, 2021
The model provides reports of diffusion inside the modifier layer situated on the electrode surface of a reactant and charge carrier. This model is based on the system of strongly nonlinear equations containing the nonlinear term related to second-order ...
S. Vinolyn Sylvia, R. Joy Salomi, M.E.G. Lyons, L. Rajendran   +3 more
doaj   +1 more source

Electrode Based on the MWCNTs and Electropolymerized Thymolphthalein for the Voltammetric Determination of Total Isopropylmethylphenols in Spices

Micromachines, 2023
Isopropylmethylphenols, namely thymol and carvacrol, are natural phenolic monoterpenoids with a wide spectrum of bioactivity making them applicable in the cosmetic, pharmaceutical, and food industry.
Natalia Chernousova, Guzel Ziyatdinova
doaj   +1 more source

Recent Advances in Electrochemical Sensing of Isoproterenol

International Journal of Electrochemical Science, 2021
One of the sympathomimetic beta-adrenergic agonist medications is isoproterenol (IP), which is utilized for the treatment of heart block or bradycardia. It applies positive chrono-tropic and inotropic impacts on heart in case of heart attack, bronchitis,
Sayed Zia Mohammadi, Hadi Beitollahi, Mohadeseh Safaei, Quyet Van Le, Ho Won Jang, Mohammadreza Shokouhimehr, Wanxi Peng   +6 more
doaj   +1 more source

An electrode based on electropolymerized naringin for voltammetry

Учёные записки Казанского университета: Серия Естественные науки, 2019
The working conditions of naringin electropolymerization on the glassy carbon electrode modified with multi-walled carbon nanotubes (MWNT/GCE) under the conditions of potentiodynamic electrolysis have been found.
G.K. Ziyatdinova, E.V. Guss, E.N. Yakupova, H.C. Budnikov   +3 more
doaj   +1 more source

A sensitive sensor based on graphitic carbon nitride/1-butyl-3-methylimidazolium hexafluorophosphate ionic liquids modified carbon paste electrode for sensing of carmoisine dye in food samples

Journal of Electrochemical Science and Engineering, 2022
The electrochemical sensors for carmoisine detection were explored and applied in the field of food safety because of the striking merits of fast detection speed, high sensitivity and easy operation.
Sayed Zia Moammadi, Farideh Mousazadeh
doaj   +1 more source

Voltametria de Pulso Diferencial (VPD) em estado sólido de manchas de Cromatografia de Camada Delgada (CCD): um novo método de análise para fitoativos antioxidantes

Química Nova, 2011
A new electroanalytical method coupling TLC-DPV in solid state was developed for quantitative determination of phytoantioxidants with medicinal purpose, e.g. rosmarinic acid (RA) in samples of phytopharmaceuticals, e.g. rosemary (Rosmarinus officinalis L.
Darlene Gonçalves, Renê O. Couto, Edemilson C. Conceição, Nathasha S. Reis, Eric S. Gil   +4 more
doaj   +1 more source

Voltammetric Sensor Based on 1-Benzyl-4-ferrocenyl-1H-[1,2,3]-triazole /Carbon Nanotube Modified Glassy Carbon Electrode; Detection of Hydrochlorothiazide in the Presence of Propranolol

International Journal of Electrochemical Science, 2016
In this work, 1-benzyl-4-ferrocenyl-1H-[1,2,3]-triazole (BFT) and carbon nanotubes has been applied to construct a modified glassy carbon electrode. This modified electrode showed electrocatalytic activity for oxidation of hydrochlorothiazide (HCT) and ...
Sakineh Esfandiari Baghbamidi, Hadi Beitollahi, Somayeh Tajik, Rahman Hosseinzadeh   +3 more
doaj   +1 more source

Preparation and characterization of carbon paste electrode modified with tin and hexacyanoferrate ions [PDF]

Journal of the Serbian Chemical Society, 2007
A carbon paste electrode was modified chemically using Sn(II) or Sn(IV) chlorides and hexacyanoferrate(II) or hexacyanoferrate(III). The electrochemical behavior of such SnHCF carbon paste electrodes was studied by cyclic voltammetry.
Sabzi Reza E., Hasanzadeh All, Ghasemlu Khosrow, Heravi Parvaneh   +3 more
doaj   +3 more sources

Modified Electrodes Used for Electrochemical Detection of Metal Ions in Environmental Analysis

Biosensors, 2015
Heavy metal pollution is one of the most serious environmental problems, and regulations are becoming stricter. Many efforts have been made to develop sensors for monitoring heavy metals in the environment.
Gregory March, Tuan Dung Nguyen, Benoit Piro   +2 more
doaj   +1 more source