Journal ArticleDOI
Development of a multianalyte electrochemical sensor for depression biomarkers based on a waste of the steel industry for a sustainable and one-step electrode modification
TLDR
In this article , a mill scale (MS), composed of wüstite, magnetite, and hematite, was used for electrochemical monitoring of the neurotransmitters dopamine (DA), 5-HT, and tryptophan (TRP), biomarkers related to depression diagnostics.About:
This article is published in Microchemical Journal.The article was published on 2022-04-01. It has received 14 citations till now. The article focuses on the topics: Ball mill & Electrode.read more
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Biosensor based on laccase-halloysite nanotube and imidazolium zwitterionic surfactant for dopamine determination
Nicolas Oliveira Decarli,Eduardo Zapp,Bruno S. Souza,Edson R. Santana,João Paulo Winiarski,Iolanda Cruz Vieira +5 more
TL;DR: In this article , a graphite-based laccase-based biosensor was used for the determination of dopamine in pharmaceutical samples, which achieved a linear range for dopamine of 0.99-67.8 µmol L−1 using SWV.
Journal ArticleDOI
Simple Preparation and Characterization of Hierarchical Flower-like NiCo2O4 Nanoplates: Applications for Sunset Yellow Electrochemical Analysis
TL;DR: In this article , a hierarchical flower-like NiCo2O4/SPGE was used for detecting sunset yellow in real matrices. But the results were limited to a broad dynamic linear between 0.02 and 145.0 µM, high sensitivity of 0.67 μA/(μM).
Journal ArticleDOI
A novel gold-decorated porous silicon-poly(3-hexylthiophene) ternary nanocomposite as a highly sensitive and selective non-enzymatic dopamine electrochemical sensor
TL;DR: In this paper , a non-enzymatic DA sensor using the novel golddecorated porous silicon-poly-3-hexylthiophene ([email protected]) nanocomposite fabricated glassy carbon electrode was designed.
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Nanomaterials-based electrochemical sensors for the detection of natural antioxidants in food and biological samples: research progress
Journal ArticleDOI
Theoretical and Cyclic Voltammetric Analysis of Asparagine and Glutamine Electrocatalytic Activities for Dopamine Sensing Applications
TL;DR: In this article , the molecular dynamics and density functional theory (DFT) can be applied to discriminate electrocatalyst's electron transfer (ET) properties, which can be used to discriminate the ET properties of green electrocatalysts such as amino acids.
References
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Journal ArticleDOI
Nanostructured materials: basic concepts and microstructure☆
TL;DR: In this article, the authors summarize the basic physical concepts and the microstructural features of equilibrium and non-equilibrium nanostructured materials (NsM) and make an attempt to summarize their properties.
Journal ArticleDOI
A fundamental parameters approach to X-ray line-profile fitting
R. W. Cheary,A. Coelho +1 more
TL;DR: In this paper, a convolution approach to X-ray powder line profile fitting is developed in which the line shape is synthesized from the Cu Kα emission profile, the dimensions of the diffractometer and the physical variables of the specimen.
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The preparation of magnetite, goethite, hematite and maghemite of pigment quality from mill scale iron waste
M.A. Legodi,D. de Waal +1 more
TL;DR: In this article, magnetite and goethite were precipitated from their respective precursors in aqueous media, and they were characterized by Raman spectroscopy, X-ray diffraction, surface area determination and scanning electron microscopy (SEM).
Journal ArticleDOI
Adsorption of 2,4-D and carbofuran pesticides using fertilizer and steel industry wastes.
TL;DR: Adsorption equilibrium, kinetics, and thermodynamics were investigated as a function of initial pH, temperature, and pesticide concentrations and equilibrium data fitted well to the Langmuir equilibrium model in the studied concentration range of 2,4-D and carbofuran.
Journal ArticleDOI
One-pot synthesis of Au-Cu2O/rGO nanocomposite based electrochemical sensor for selective and simultaneous detection of dopamine and uric acid
TL;DR: In this article, an electrochemical sensor based on an Au-Cu2O/rGO nanocomposite for selective and simultaneous detection of dopamine and uric acid was developed.