Results 31 to 40 of about 10,400 (164)

Optimization of Method of Preparing Carbon Paste Electrode

Chemical Engineering Transactions, 2015
This work propose the optimization of the preparation of electrode based on carbon paste for application to amperometric biosensor. The method is based on the experimental design of mixtures with graphite, polyaniline and epoxy resin acting as system components and electrical conductivity as the response variable.
Alfredo Telles Bosco, Eliana Mosse Alhadeff, Francisca Chagas Sobral Silva Mihos, Victor Mello Santos, Ninoska Bojorge-Ramirez   +4 more
openaire   +2 more sources

Two fabricated carbon paste electrodes for novel potentiometric determination of probenecid in dosage form and human plasma

Scientific Reports, 2022
Solid contact ion selective electrodes are extensively utilized owing to their marvelous performance over traditional liquid contact ones. The main drawback of those solid contact electrodes is aqueous layer formation which affects their constancy ...
Mahmoud A. Tantawy, Israa A. Wahba, Samah S. Saad, Nesrin K. Ramadan   +3 more
doaj   +1 more source

Determination of Midazolam by Potentiometric PVC membrane and MWCNTs based Carbon Paste Sensors

International Journal of Electrochemical Science, 2012
PVC membrane and nano-composite carbon paste potentiometric sensors were made for determination of midazolam in pharmaceutical formulations. The electrodes respond based on ion-exchange mechanism.
Mohammad Reza Ganjali, Bagher Larijani, Parviz Norouzi   +2 more
doaj   +1 more source

Evaluation of ionic natural deep eutectic solvents (NADES) modified binders towards the chemical properties of carbon paste electrodes

Electrochemistry Communications, 2019
This paper presents a new approach towards the modification of carbon paste electrodes with natural deep eutectic solvents (NADES) as a modified binder.
Larissa S.S. Cariati, Rafael M. Buoro
doaj   +1 more source

Dichromate Ion-selective Sensor Based on Functionalized SBA-15/ Ionic Liquid/MWCNTs/Graphite

International Journal of Electrochemical Science, 2012
SBA-15 channels was modified by aluminum complex of 8-hydroxyquinoline. The new synthesized nano-material had a selective interaction with dichromate ions which was studied by fluorescence spectroscopy. A new modified SBA-15 was then used in making a new
M.R. Ganjali, Z. Rafiei-Sarmazdeh, T. Poursaberi, S.J. Shahtaheri, P. Norouzi   +4 more
doaj   +1 more source

MWCNTs-Ionic Liquids-Ionophore-Graphite Nanocomposite Based Sensor for Selective Determination of Ytterbium(III) Ion

International Journal of Electrochemical Science, 2010
Fluorescence studies in acetonitrile solution proved a strong interaction between N'-(1-oxoacenaphthylen-2(1H)-ylidene) furan-2-carbohydrazide (L) with Yb3+ ions in comparison with other lanthanide ions.
Farnoush Faridbod, Mohammad Reza Ganjali, Morteza Pirali-Hamedani, Parviz Norouzi   +3 more
doaj   +1 more source

Amperometric Detection of Glucose by Polyaniline-Activated Carbon Composite Carbon Paste Electrode

International Journal of Electrochemical Science, 2012
In this study, a novel carbon paste electrode using the salt form of polyaniline (pani)-activated carbon composite sensitive to glucose, was prepared.
Özlem Çolak, Halit Arslan, Hüseyin Zengin, Gülay Zengin   +3 more
doaj   +1 more source

Fabrication of a New Carbon Paste Electrode Based on 5,11,17,23-tetra-tert-butyl-25,27-bis(pyren-1-yl-methylimido-propoxy)-26,28-dihydroxy-calix[4]arene for Potentiometric Perchlorate Determination

International Journal of Electrochemical Science, 2017
A new perchlorate-selective carbon paste electrode based on a calix[4]arene derivative was prepared and evaluated in terms of construction, performance, and applications.
H. Elif Kormalı Ertürün
doaj   +1 more source

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

International Journal of Electrochemical Science, 2010
A carbon paste electrode modified by Losartan was used for detection of dopamine (DA). The modified electrode exhibited strong promoting effect and stability towards the electrochemical oxidation of DA in phosphate buffer solution (PBS) at pH 7.0.
M.T. Shreenivas, B.E. Kumara Swamy, Umesh Chandra, S. Sharath Shankar, J.G. Manjunatha, B.S. Sherigara   +5 more
doaj   +1 more source

Carbon paste electrodes in electroanalytical chemistry

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. Various modifications of carbon pastes and carbon paste-based biosensors are also mentioned.
Vytřas Karel, Švancara Ivan, Metelka Radovan   +2 more
openaire   +3 more sources