Results 41 to 50 of about 4,140,317 (352)

Evidence of an EC' mechanism occurring during the simultaneous assay of ascorbic and uric acids on poly(3,4-ethylenedioxythiophene) modified gold microsensor. [PDF]

open access: yes, 2011
A voltammetric microsensor has been developed for the simultaneous assay of ascorbic (AA) and uric (UA) acids in aq. soln. The electrode surface has been modified by means of electropolymd. conductive poly(3,4-ethylenedioxythiophene) (PEDOT) org.
Evrard, David   +2 more
core   +4 more sources

Electrochemical Characterisation of the Redox Couple of Fe(Ⅱ)/Fe(Ⅲ) Mediated by Nano SiO2 Modified GCE Using Cyclic Voltammetry

open access: yesNano Biomedicine and Engineering, 2018
A new modified working electrode of glassy carbon electrode with nanoparticles of SiO2 (SiO2 nanoparticles/GCE) was prepared by mechanical attachment method.
Muhammed Mizher Radhi   +2 more
doaj   +1 more source

Electrochemical immunosensor modified with carbon nanofibers coupled to a paper platform for the determination of gliadins in food samples [PDF]

open access: yes, 2019
The gluten-free diet is a unique, effective treatment for different conditions related to gluten consumption. Therefore, it is crucial the availability of new methodologies for the sensitive and specific determination of gluten content in food samples ...
Bertolino, Franco Adrián   +4 more
core   +1 more source

The influence of the shape of Au nanoparticles on the catalytic current of fructose dehydrogenase [PDF]

open access: yes, 2019
Graphite electrodes were modified with triangular (AuNTrs) or spherical (AuNPs) nanoparticles and further modified with fructose dehydrogenase (FDH). The present study reports the effect of the shape of these nanoparticles (NPs) on the catalytic current ...
Bergueiro, Julián,   +9 more
core   +3 more sources

Improvement of the electrochromic response of a low-temperature sintered dye-modified porous electrode using low-resistivity indium tin oxide nanoparticles

open access: yesAIP Advances, 2016
An indium tin oxide (ITO) nanoparticle-based porous electrode sintered at low temperatures was investigated as a transparent electrode for electrochromic displays (ECDs).
Yuichi Watanabe   +2 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

open access: yesInternational 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   +10 more
doaj   +1 more source

Potential Driven Non-Reactive Phase Transitions of Ordered Porphyrin Molecules on Iodine-Modified Au(100): An Electrochemical Scanning Tunneling Microscopy (EC-STM) Study [PDF]

open access: yes, 2018
The modelling of long-range ordered nanostructures is still a major issue for the scientific community. In this work, the self-assembly of redox-active tetra(N-methyl-4-pyridyl)-porphyrin cations (H2TMPyP) on an iodine-modified Au(100) electrode surface ...
Blanco, Mat\uedas   +3 more
core   +1 more source

Label-Free, Highly Sensitive Electrochemical Aptasensors Using Polymer-Modified Reduced Graphene Oxide for Cardiac Biomarker Detection [PDF]

open access: yes, 2020
Acute myocardial infarction (AMI), also recognized as a ???heart attack,??? is one leading cause of death globally, and cardiac myoglobin (cMb), an important cardiac biomarker, is used for the early assessment of AMI.
Bhardwaj, Jyoti   +2 more
core   +1 more source

Sensitive Electrochemical Determination of Oxcarbazepine using Polymer Film Modified Glassy Carbon Electrode

open access: yesInternational Journal of Electrochemical Science, 2015
A glassy carbon electrode (GCE) is modified with electropolymerized film of p-aminobenzene sulfonic acid (p-ABSA) in pH 7.0 phosphate buffer solution (PBS).
Esra Rukiye Apaydın   +3 more
doaj   +1 more source

A novel hydrogen peroxide biosensor based on modified electrode with hemoglobin and zinc oxide nanoparticles [PDF]

open access: yes, 2012
In this study, direct electron transfer between immobilized hemoglobin (Hb) and zinc oxide nanoparticles modified carbon paste electrode was studied. Direct electrochemical response of Hb on the modified electrode can be achieved and a couple of well ...
Arabnezhad-Khanooki, T.   +7 more
core  

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