Results 11 to 20 of about 29,290 (260)

Poly (vanillin) modified carbon paste electrode for the determination of adrenaline: A voltammetric study

Materials Science for Energy Technologies, 2019
The bare carbon paste (BCPE) was modified by electrochemical deposition of vanillin on the surface of carbon paste electrode and applied for the study of electrochemical behavior of Adrenaline (AD) and Uric acid (UA) using cyclic voltammetric and ...
H.D. Madhuchandra, B.E. Kumara Swamy
doaj   +1 more source

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

Carbon paste electrodes in electroanalytical chemistry [PDF]

Journal of the Serbian Chemical Society, 2009
An overview is given dealing with the applications of carbon paste electrodes in equilibrium potentiometry as well as in electrochemical stripping analysis using both voltammetric and potentiometric modes.
KAREL VYTŘAS, IVAN ŠVANCARA, RADOVAN METELKA   +2 more
doaj   +3 more sources

Study on Utilization of Carboxyl Group Decorated Carbon Nanotubes and Carbonation Reaction for Improving Strengths and Microstructures of Cement Paste

Nanomaterials, 2016
Carbon nanotubes (CNTs) have excellent mechanical properties and can be used to reinforce cement-based materials. On the other hand, the reaction product of carbonation with hydroxides in hydrated cement paste can reduce the porosity of cement-based ...
Xiantong Yan, Hongzhi Cui, Qinghua Qin, Waiching Tang, Xiangming Zhou   +4 more
doaj   +1 more source

Thermal and Electrical Characterization of the Carbon Nanofibers Based Cement Composites

Medžiagotyra, 2017
The paper describes the influence of chemical modification of vapor grown carbon nanofibers (VGCnFs) on the thermal and electrical properties of the cement composites. The surface modification of nanofibers was performed by means of ozone and nitric acid
Agnieszka ŚLOSARCZYK, Waldemar PICHÓR, Maksymilian FRĄC   +2 more
doaj   +1 more source

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

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

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

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

Ultrasensitve Modified Carbon Paste Inclusion ß -Cyclodextrin and Carbon Nanotubes Sensors for Electrochemical Detection of Anticancer Nimustine Hydrochloride

International Journal of Electrochemical Science, 2016
In this study, novel carbon paste and modified carbon paste inclusion ß- cyclodextrin and carbon nanotubes sensors for determination of nimustine hydrochloride was introduced.
Nawal Ahmad Alarfaj, Maha Farouk El-Tohamy   +1 more
doaj   +1 more source