[HTML][HTML] A novel Ga2O3-doped ZnO decorated SWCNT nanocomposite based amperometric sensor for efficient detection of dopamine in real samples

J Ahmed, M Faisal, JS Algethami, MM Rahman… - Journal of Science …, 2024 - Elsevier
Our current research focuses on develo** an efficient electrochemical Dopamine sensor
for diagnosing neurological disorders related to abnormal Dopamine levels. We utilized a …

Biosensor based on laccase-halloysite nanotube and imidazolium zwitterionic surfactant for dopamine determination

NO Decarli, E Zapp, BS de Souza, ER Santana… - Biochemical …, 2022 - Elsevier
Zwitterionic surfactants incorporated nanomaterials and biomolecules structures offers
enhanced catalytic activities and stabilities in biosensing. Herein, we present the …

Nanocomposite based on green synthesis of gold nanoparticles decorated with functionalized multi-walled carbon nanotubes for the electrochemical determination of …

N Nardi, LG Baumgarten, JP Dreyer… - … of Pharmaceutical and …, 2023 - Elsevier
In this study, a selective and sensitive electrochemical approach for determining
hydroxychloroquine (HCQ) was proposed. A novel nanocomposite based on gold …

Highly Luminescent and Water-Stable CsPbCl3/Mn2+/PEG Nanocrystals for Ultrasensitive Detection of 4-Nitrophenol

L Yang, Y Cui, B Hu, Q Yang, X Xu - ACS Applied Nano Materials, 2024 - ACS Publications
Perovskite quantum dots (PQDs) offer high photoluminescence quantum yields. However,
their poor stability and aqueous-quenching of fluorescence limit their wider application …

[HTML][HTML] A novel In2O3-doped ZnO decorated mesoporous carbon nanocomposite as a sensitive and selective dopamine electrochemical sensor

J Ahmed, M Faisal, JS Algethami, M Alsaiari… - Journal of Materials …, 2024 - Elsevier
Dopamine (DA), a critical biomolecule involved in neurotransmission, is implicated in a
variety of neurological disorders. Therefore, accurate detection of DA is crucial for the swift …

[HTML][HTML] Multi-walled carbon nanotubes/nickel hydroxide composite applied as electrochemical sensor for folic acid (vitamin B9) in food samples

JP Winiarski, R Rampanelli, JC Bassani… - Journal of Food …, 2020 - Elsevier
Folic acid (FA) acts as an essential nutrient for body functions. Several countries have
already proposed a resolution for flour fortification with iron and FA; thus, of food industry …

Layer-by-layer films of silsesquioxane and nickel (II) tetrasulphophthalocyanine as glucose oxidase platform immobilization: amperometric determination of glucose in …

JP Winiarski, DJ de Melo, ER Santana, CS Santos… - Chemosensors, 2023 - mdpi.com
This paper describes the development of a novel glucose biosensor through the layer-by-
layer technique (LbL). The self-assembled architectures were composed of a positive …

Development of a multianalyte electrochemical sensor for depression biomarkers based on a waste of the steel industry for a sustainable and one-step electrode …

JP Winiarski, BF Tavares, K de Fátima Ulbrich… - Microchemical …, 2022 - Elsevier
This study aimed to reuse waste from the steel industry as a sustainable electrode modifier
material in a simple and one-step modification approach for the electrochemical monitoring …

Au-on-Pd bimetallic nanoparticles applied to the voltammetric determination and monitoring of 4-nitroaniline in environmental samples

MR de Barros, JP Winiarski, WC Elias… - Journal of …, 2021 - Elsevier
Abstract Palladium@ Gold bimetallic nanoparticles (Au-on-PdNP) were synthesized and
characterized by X-ray diffraction (XRD) and Transmission Electron Microscopy (TEM). The …

A novel hybrid organic–inorganic silsesquioxane and cobalt (ii) tetrasulphophthalocyanine material as an efficient electrochemical sensor for the simultaneous …

JP Winiarski, MR de Barros, GS Wecker… - Journal of Materials …, 2020 - pubs.rsc.org
In this study, a novel ionic silsesquioxane (Si4DMAP+ Cl−) was developed through a facile
synthetic sol–gel method and utilized as a recoating layer with the cobalt (II) …