Results 21 to 30 of about 191,668 (311)

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

Cyclic Voltammetric Studies of Serotonin at Sodium Dodecyl Sulfate Modified Carbon Paste Electrode

International Journal of Electrochemical Science, 2009
Electrochemical oxidation of serotonin has been studied at carbon paste electrode in 0.1M pyrophosphate buffer using cyclic voltammetric (CV) technique. The adsorption of sodium dodecyl sulfate (SDS) at carbon paste electrode was investigated.
Nagaraja Chowdappa, B.E. Kumara Swamy, E. Niranjana, B.S. Sherigara   +3 more
doaj   +1 more source

One-step Fabrication of a New Carbon Paste Electrode for Dopamine, Ascorbic acid and Uric acid determination in Serum

International Journal of Electrochemical Science, 2015
The carbon paste electrode is electrocatalytically active for dopamine, ascorbic acid and uric acid oxidation. The electrocatalytic oxidation current is developed from the anodic peak of the redox couple. Electrochemical impedance spectroscopy is applied
Ying Li, Lin-hsiang Huang, Shen-Ming Chen, Bih-Show Lou, Xiaoheng Liu   +4 more
doaj   +1 more source

A Modified Ho3+ Carbon Paste Electrode Based on Multi-walled Carbon Nanotubes (MWCNTs) and Nanosilica

International Journal of Electrochemical Science, 2009
A novel carbon paste ion selective electrode for determination of trace amount of holmium was prepared. Multi-walled carbon nanotubes (MWCNTs) and nanosilica were used for improvement of a holmium carbon paste sensor response.
Mohammad Reza Ganjali, Negar Motakef-Kazemi, Parviz Norouzi, Sepideh Khoee   +3 more
doaj   +1 more source

Studies on Adsorption of Triton X-100 at Carbon Paste and Ceresin Wax Carbon Paste Electrodes and the Enhancement Effect in Dopamine Oxidation by Cyclic Voltammetry

International Journal of Electrochemical Science, 2007
The adsorption of Triton X-100 (TX-100) on a carbon paste electrode was investigated by voltammetry. The results showed that TX-100 exhibited two types of adsorptive behavior at a carbon paste electrode at different concentration ranges: monomer ...
E. Niranjana, R. Raghavendra Naik, B.E. Kumara Swamy, B.S. Sherigara, H. Jayadevappa   +4 more
doaj   +1 more source

Cyclic Voltammetric and Quantum Chemical Studies of a Poly(methionine) Modified Carbon Paste Electrode for Simultaneous Detection of Dopamine and Uric Acid

Chemosensors, 2019
Fabrication of biocompatible electrodes for the investigation of catecholamines is a known challenge. In this work, methionine was chosen as a modifier for fabrication of a biocompatible carbon paste electrode by electropolymerization, through cyclic ...
Bananakere Nanjegowda Chandrashekar, Weizhong Lv, Gururaj Kudur Jayaprakash, Karim Harrath, Louis W.Y. Liu, Bahaddurghatta E. Kumara Swamy   +5 more
doaj   +1 more source

Preparation and Validation of Fe2O3 Modified Carbon Paste Electrode for Measurement of Dopamine by Voltammetry Method

Jurnal Kimia Sains dan Aplikasi, 2019
Preparation and validation of the Fe2O3 modified carbon paste electrode have been carried out for the analysis of dopamine by the voltammetry method. Validation parameters of carbon paste electrodes (CPA) tested include linear concentration range, Limit ...
Irdhawati Irdhawati, Manuntun Manurung, Ni Ketut Yuni Sri Lestari   +2 more
doaj   +1 more source

Surfactant modified electrochemical sensor for determination of Anthrone – A cyclic voltammetry

Materials Science for Energy Technologies, 2019
The two promising electrochemical sensor constructed using carbon paste electrode modified with Octyl phenol ethoxylate surfactant (OPEMCPE) and carbon paste electrode modified with Sodium lauryl sulfate (SLSMCPE). The electrochemical characterization of
N.S. Prinith, J.G. Manjunatha
doaj   +1 more source

Praseodymium Selective Carbon Paste Electrode based on Carbon Nanotubes and Ionic Liquids

International Journal of Electrochemical Science, 2011
Using multi-walled carbon nanotube (MWCNT) and ionic liquid (IL) in the composition of carbon paste electrodes cause improvement in their characterizations.
Farnoush Faridbod, Hassan Ali Zamani, Morteza Hosseini, Morteza Pirali-Hamedani, Mohammad Reza Ganjali, Parviz Norouzi   +5 more
doaj   +1 more source

A surfactant enhanced novel pencil graphite and carbon nanotube composite paste material as an effective electrochemical sensor for determination of riboflavin

Journal of Science: Advanced Materials and Devices, 2020
A novel sensor fabrication using anionic surfactant sodium lauryl sulphate modified carbonnanotube and pencil graphite composite paste electrode (SLSMCNTPGCPE) is prepared and characterized using Field Emission Scanning Electron Microscope (FE-SEM) and ...
Girish Tigari, J.G. Manjunatha
doaj   +1 more source