Results 11 to 20 of about 63,041 (164)

A New Method for the Determination of Total Content of Vitamin C, Ascorbic and Dehydroascorbic Acid, in Food Products with the Voltammetric Technique with the Use of Tris(2-carboxyethyl)phosphine as a Reducing Reagent

Molecules, 2023
The objective of the study was to develop a new method for the determination of the total content of vitamin C and dehydroascorbic acid in food, based on the technique of differential pulse voltammetry with the use of a boron-doped diamond electrode ...
Artur Mazurek, Marzena Włodarczyk-Stasiak   +1 more
doaj   +1 more source

Short-Term Stability of Electrochemical Properties of Layer-by-Layer Coated Heterogeneous Ion Exchange Membranes

Membranes, 2022
Layer-by-layer adsorption allows the creation of versatile functional coatings for ion exchange membranes, but the stability of the coating and resulting properties of modified membranes in their operation is a frequently asked question.
Veronika Sarapulova, Ekaterina Nevakshenova, Kseniia Tsygurina, Valentina Ruleva, Anna Kirichenko, Ksenia Kirichenko   +5 more
doaj   +1 more source

Voltamperometry of a Kinetically Irreversible Electrochemical Process on a Rough Electrode

Конденсированные среды и межфазные границы, 2020
We investigated the role of the effect of morphological inhomogeneity of the electrode surface in the voltammetric response of the irreversible electrochemical process in the mixed-kinetic mode.
Evgeniya V. Bedova, Darya I. Kolganova, Oleg A. Kozaderov   +2 more
doaj   +1 more source

A Novel Strategy for Selective Thyroid Hormone Determination Based on an Electrochemical Biosensor with Graphene Nanocomposite

Sensors, 2023
This article presents a novel and selective electrochemical bioassay with antibody and laccase for the determination of free thyroid hormone (free triiodothyronine, fT3). The biosensor was based on a glassy carbon electrode modified with a Fe3O4@graphene
Sylwia Baluta, Marta Romaniec, Kinga Halicka-Stępień, Michalina Alicka, Aleksandra Pieła, Katarzyna Pala, Joanna Cabaj   +6 more
doaj   +1 more source

Simple Preparation and Characterization of Hierarchical Flower-like NiCo₂O₄ Nanoplates: Applications for Sunset Yellow Electrochemical Analysis

Biosensors, 2022
The current work was performed to construct a novel electrochemical sensing system for determination of sunset yellow via the modification of screen-printed graphite electrode modified with hierarchical flower-like NiCo2O4 nanoplates (NiCo2O4/SPGE).
Hadi Beitollahi, Somayeh Tajik, Zahra Dourandish, Fariba Garkani Nejad   +3 more
doaj   +1 more source

Voltammetric Determination of Pb(II) by a Ca-MOF-Modified Carbon Paste Electrode Integrated in a 3D-Printed Device

Sensors, 2020
In this work, a voltammetric method based on a metal organic framework (Ca-MOF)-modified carbon paste electrode for lead determination was developed. The MOF-based electrode was packed in a new type of 3D-printed syringe-type integrated device, which was
Evaggelia Vlachou, Antigoni Margariti, Giannis S. Papaefstathiou, Christos Kokkinos   +3 more
doaj   +1 more source

Electrochemical Detection of Pyocyanin as a Biomarker for Pseudomonas aeruginosa: A Focused Review

Sensors, 2020
Pseudomonas aeruginosa (PA) is a pathogen that is recognized for its advanced antibiotic resistance and its association with serious diseases such as ventilator-associated pneumonia and cystic fibrosis.
Fatima AlZahra’a Alatraktchi, Winnie E. Svendsen, Søren Molin   +2 more
doaj   +1 more source

Synthesis and Properties of Novel Unsymmetrical Donor Molecules Containing p-Acetoxy- or p-Hydroxyphenyl Units

Molecules, 2006
We report the synthesis and properties of eight new tetrathiafulvalene (TTF) derivatives containing two different functionalities, prepared with the aim of obtaining stable organic materials.
Abdelkrim Gouasmia, Slimane Fradj, Lakhemici Kaboub   +2 more
doaj   +1 more source

Development of a New Analytical Method for Determination of Veterinary Drug Oxyclozanide by Electrochemical Sensor and Its Application to Pharmaceutical Formulation

Chemosensors, 2020
A novel highly selective, sensitive and simple analytical technique was recommended for the investigation of anthelmintic veterinary drug oxyclozanide based on square wave anodic stripping voltammetry (SWASV) by using a carbon paste electrode (CPE ...
Ersin Demir, Hulya Silah
doaj   +1 more source

Facile one-pot synthesis of CuO nanospheres: Sensitive electrochemical determination of hydrazine in water effluents

Journal of Electrochemical Science and Engineering, 2022
Hydrazine (HZ) is massively used in several industrial applications. Adsorption of HZ through human skin creates carcinogenicity by disturbing the human organ system and thus, the quantification of HZ levels in environmental water samples is highly ...
N. M. Abdul khader Jailani, M. Chinnasamy, N. S. K. Gowthaman   +2 more
doaj   +1 more source