Results 21 to 30 of about 2,490,155 (251)

EDTA salt modified carbon paste electrode for square wave voltammetric determination of theophylline in pharmaceutical tablet formulation.

PLoS ONE, 2022
In this study, a square wave voltammetric method for determination of theophylline in tablet formulation based on EDTA salt modified carbon paste electrode is presented. CV, FT-IR, and EIS results confirmed modification of the carbon paste with EDTA salt.
Amsalu Moges, Mulugeta Dawit, Mahilet Turbale, Meareg Amare   +3 more
doaj   +2 more sources

Electrocatalytic Oxidation of Dopamine at Chemically Modified Carbon Paste Electrode with 2,4-Dinitrophenyl Hydrazine

International Journal of Electrochemical Science, 2010
Electrocatalytic oxidation of dopamine was investigated at 2,4-Dinitrophenyl hydrazine modified carbon paste electrode by using cyclic voltammetric technique.
Umesh Chandra, B.E. Kumara Swamy, Ongera Gilbert, S. Sharath Shankar, K.R. Mahanthesha, B.S. Sherigara   +5 more
doaj   +1 more source

Voltammetric Resolution of Dopamine in presence of Ascorbic Acid at Polyvinyl Alcohol Modified Carbon Paste Electrode

International Journal of Electrochemical Science, 2009
The polyvinyl alcohol modified carbon paste electrode was prepared by grinding the 15mg of polyvinyl alcohol with the mixture of graphite powder and silicon oil of ratio 70%:30% by weight.
Umesh Chandra, B.E. Kumara Swamy, Ongera Gilbert, M. Pandurangachar, B.S. Sherigara   +4 more
doaj   +1 more source

An Efficient Electrochemical Sensor Based on NiCo₂O₄ Nanoplates and Ionic Liquid for Determination of Favipiravir in the Presence of Acetaminophen

Biosensors, 2023
Based on the modification of carbon paste electrode with NiCo2O4 nanoplates and 1-hexyl-3-methylimidazolium tetrafluoroborate, a new electrochemical sensing platform for the sensing of favipiravir (a drug with potential therapeutic efficacy in treating ...
Somayeh Tajik, Fatemeh Sharifi, Behnaz Aflatoonian, Sayed Zia Mohammadi   +3 more
doaj   +1 more source

Electrochemical characterization of commercial and home-made screen-printed carbon electrodes [PDF]

, 2003
Screen-printing technology is widely used for the mass-production of disposable electrochemical sensors. The practical utility of carbon screen-printed electrodes has been exploited, despite the fact that little is known about the nature of the ...
Killard, Anthony J., Smyth, Malcolm R., Morrin, Aoife   +2 more
core   +2 more sources

Electrochemical Studies of Amaranth at Surfactant Modified Carbon Paste Electrode: A Cyclic Voltammetry

International Journal of Electrochemical Science, 2008
Electrochemical reduction of amaranth has been studied at carbon paste electrode in sulphuric acid media using cyclic voltammetric technique. The adsorption of cetyl trimethyl ammonium bromide (CTAB) on a carbon paste electrode was investigated.
M. Panduranga Char, E. Niranjana, B.E. Kumara Swamy, B.S. Sherigara, K. Vasantakumar Pai   +4 more
doaj   +1 more source

Separation of Ascorbic Acid, Dopamine and Uric Acid by Acetone/Water Modified Carbon Paste Electrode: A Cyclic Voltammetric Study

International Journal of Electrochemical Science, 2009
The carbon paste (CPE) was prepared by grinding the mixture of graphite powder and silicone oil ratio 70:30 respectively. The acetone/water modified carbon paste electrode was developed by immobilizing the different ratios of acetone/water.
R. Raghavendra Naik, B.E. Kumara Swamy, Umesh Chandra, E. Niranjana, B.S. Sherigara, H. Jayadevappa   +5 more
doaj   +1 more source

Voltammetric sensor for electrochemical determination of the floral origin of honey based on a zinc oxide nanoparticle modified carbon paste electrode [PDF]

Journal of Sensors and Sensor Systems, 2018
A new methodology based on cyclic voltammetry using a chemically modified electrode has been developed for the discrimination of the floral origin of honey.
K. Tiwari, B. Tudu, R. Bandyopadhyay, R. Bandyopadhyay, A. Chatterjee, P. Pramanik   +5 more
doaj   +1 more source

Manufacturing a Modified Carbon Paste Electrode with Catalase Enzyme-Au Nanoparticles for Electrochemical Sensing of Hydrogen Peroxide and Their Electrocatalytic Properties

International Journal of Electrochemical Science, 2014
To find hydrogen peroxide, different techniques applied, recently. In this practice we decided to produce a modified carbon paste electrode by catalase enzyme-Au nanoparticles for electrochemical sensing hydrogen peroxide and their electroactivity ...
Parisa Sistani, Akram Noori, Masoomeh Fathollahi Motlagh, Amir Habibi Tamijani, Elahe Imani, Yeganeh Shadram, Roya Rahimzadeh, Behnam Ebrahimi, Mohammadtaghi Sarebanhassanabadi, Masoud Negahdary, Sahar Majdi   +10 more
doaj   +1 more source

Electrochemical Investigations of Dopamine at Chemically Modified Alcian Blue Carbon Paste Electrode: A Cyclic Voltammetric Study

International Journal of Electrochemical Science, 2009
A carbon paste electrode modified by alcian blue was used for detection of dopamine (DA). The modified electrode exhibited strong promoting effect and stability towards the electrochemical oxidation of dopamine at pH 6.6 in phosphate buffer solution (PBS)
Rekha, B.E. Kumara Swamy, R. Deepa, V. Krishna, Ongera Gilbert, Umesh Chandra, B.S. Sherigara   +6 more
doaj   +1 more source