Glutathione detection at carbon paste electrode modified with ethyl 2-(4-ferrocenyl-[1, 2, 3] triazol-1-yl) acetate, ZnFe2O4nano-particles and ionic liquid

H Beitollahi, S Tajik, MR Aflatoonian… - Journal of …, 2022 - hrcak.srce.hr
Sažetak The purpose of the present study was to introduce a newly designed approach for
deter-mination of glutathione using modified carbon paste electrode with …

A sensitive Cu (salophen) modified screen-printed electrode for simultaneous determination of dopamine and uric acid

H Beitollahi, S Tajik, MR Aflatoonian… - Journal of …, 2022 - hrcak.srce.hr
Sažetak This research applied a nanostructured electrochemical sensor with a screen-
printed electrode (SPE) for examining the dopamine (DA) electrocatalytic oxidation when …

Application of a new ferrocene-derivative modified-graphene paste electrode for simultaneous determination of isoproterenol, acetaminophen and theophylline

S Tajik, MA Taher, H Beitollahi - Sensors and Actuators B: Chemical, 2014 - Elsevier
A new ferrocene-derivative compound, 1-(4-bromobenzyl)-4-ferrocenyl-1H-[1, 2, 3]-triazole
(1, 4-BBFT), was synthesized and used to construct a modified-graphene paste electrode …

Fabrication of a nanostructure based electrochemical sensor for voltammetric determination of epinephrine, uric acid and folic acid

H Mahmoudi Moghaddam, H Beitollahi, S Tajik… - …, 2015 - Wiley Online Library
A carbon paste electrode (CPE) was modified by incorporation of graphene nano sheets
and a ferrocene derivative. The modified electrode showed an excellent electrocatalytic …

First report for electrochemical determination of levodopa and cabergoline: application for determination of levodopa and cabergoline in human serum, urine and …

S Tajik, MA Taher, H Beitollahi - Electroanalysis, 2014 - Wiley Online Library
The electrochemical oxidation of levodopa on the surface of a carbon paste electrode
modified with graphene nanosheets, 1‐(4‐bromobenzyl)‐4‐ferrocenyl‐1H‐[1, 2, 3]‐triazole …

Electrochemical biosensing of galactose based on carbon materials: graphene versus multi-walled carbon nanotubes

B Dalkıran, PE Erden, E Kılıç - Analytical and bioanalytical chemistry, 2016 - Springer
In this study, two enzyme electrodes based on graphene (GR), Co 3 O 4 nanoparticles and
chitosan (CS) or multi-walled carbon nanotubes (MWCNTs), Co 3 O 4 nanoparticles, and …

BSA–rGO nanocomposite hydrogel formed by UV polymerization and in situ reduction applied as biosensor electrode

Z Tang, L Gao, Y Wu, T Su, Q Wu, X Liu, W Li… - Journal of Materials …, 2013 - pubs.rsc.org
This communication demonstrates a convenient strategy to prepare a tough BSA–rGO
hydrogel electrode via photopolymerization, which is demonstrated to be a highly effective …

Synthesis of graphene oxide nanosheets and its application to construct a modified carbon paste electrode as a hydroxylamine electrochemical sensor

S Esfandiari Baghbamidi, H Beitollahi, S Tajik - Ionics, 2015 - Springer
Abstract A ferrocene-derivative compound, 2, 7-bis (ferrocenyl ethynyl) fluoren-9-one (2, 7-
BFE), was synthesized and used to construct a modified graphene paste electrode. The …

Self-assembly of a thin highly reduced graphene oxide film and its high electrocatalytic activity

YF Bai, YF Zhang, AW Zhou, HW Li, Y Zhang… - …, 2014 - iopscience.iop.org
A thin highly reduced graphene oxide (rGO) film was self-assembled at the dimethyl
formamide (DMF)–air interface through evaporation-induced water-assisted thin film …

Voltammetric determination of hydrogen peroxide at high concentration level using a copper electrode

F Terzi, B Zanfrognini, N Dossi, S Ruggeri… - Electrochimica …, 2016 - Elsevier
The determination of strong oxidizing species is of outmost importance in a number of
practical applications. However, the currently available analytical tools should be improved …