Electrochemical sensor platforms based on nanostructured metal oxides, and zeolite‐based materials

MU Anu Prathap, B Kaur, R Srivastava - The Chemical Record, 2019 - Wiley Online Library
Electrochemical sensors have drawn significant attention over the last couple of decades
because of their ability to improve detection of organic and inorganic analytes found in the …

Recent advances in electrochemical and optical sensors for detecting tryptophan and melatonin

ZA Khan, PJS Hong, CH Lee… - International Journal of …, 2021 - Taylor & Francis
Tryptophan and melatonin are pleiotropic molecules, each capable of influencing several
cellular, biochemical, and physiological responses. Therefore, sensitive detection of …

Electrochemical sensor based on modified methylcellulose by graphene oxide and Fe3O4 nanoparticles: Application in the analysis of uric acid content in urine

E Sohouli, EM Khosrowshahi, P Radi… - Journal of …, 2020 - Elsevier
The modified glassy carbon electrode (GCE) with a coating containing methylcellulose/
graphene oxide/iron oxide nano hydrogel (MC-GO-Fe 3 O 4) has been developed to design …

High catalytic activity of Fe (II)-clinoptilolite nanoparticales for indirect voltammetric determination of dichromate: Experimental design by response surface …

M Nosuhi, A Nezamzadeh-Ejhieh - Electrochimica Acta, 2017 - Elsevier
A novel, simple, cheap and very sensitive modified carbon paste electrode (CPE) was used
for indirect determination of dichromate in aqueous solution. Peak current of Fe (II) redox …

Electrochemical Sensor for Rapid and Sensitive Detection of Tryptophan by a Cu2O Nanoparticles-Coated Reduced Graphene Oxide Nanocomposite

Q He, Y Tian, Y Wu, J Liu, G Li, P Deng, D Chen - Biomolecules, 2019 - mdpi.com
In this paper, a nanocomposite of cuprous oxide and electrochemically reduced graphene
oxide (Cu2O–ERGO) was prepared by a simple and low-cost method; hereby, a new …

Simultaneous determination of ascorbic acid, dopamine, uric acid and tryptophan on gold nanoparticles/overoxidized-polyimidazole composite modified glassy …

C Wang, R Yuan, Y Chai, S Chen, F Hu, M Zhang - Analytica chimica acta, 2012 - Elsevier
A novel electrode was developed through electrodepositing gold nanoparticles (GNPs) on
overoxidized-polyimidazole (PImox) film modified glassy carbon electrode (GCE). The …

Direct electrochemical reduction of graphene oxide and its application to determination of L-tryptophan and L-tyrosine

KQ Deng, J Zhou, XF Li - Colloids and Surfaces B: Biointerfaces, 2013 - Elsevier
Directly electrochemically reduced graphene oxide (ERGO) was obtained by potentiostatic
reduction of exfoliated graphene oxide sheets on a glassy carbon electrode (GCE). The …

Gold nanoparticle/carbon nanotube hybrids as an enhanced material for sensitive amperometric determination of tryptophan

Y Guo, S Guo, Y Fang, S Dong - Electrochimica Acta, 2010 - Elsevier
In this work, a highly sensitive electrochemical sensor for the determination of tryptophan
(Trp) was fabricate by electrodeposition of gold nanoparticles (AuNPs) onto carbon …

Poly-glutamic acid modified carbon nanotube-doped carbon paste electrode for sensitive detection of L-tryptophan

X Liu, L Luo, Y Ding, D Ye - Bioelectrochemistry, 2011 - Elsevier
A novel poly-glutamic acid (PGA) film modified carbon paste electrode (CPE) incorporating
carbon nanotubes (CNTs) was first prepared for the determination of l-tryptophan (l-Trp) …

Modification of carbon paste electrode with Fe (III)-clinoptilolite nano-particles for simultaneous voltammetric determination of acetaminophen and ascorbic acid

S Sharifian, A Nezamzadeh-Ejhieh - Materials Science and Engineering: C, 2016 - Elsevier
A novel carbon paste electrode (CPE) modified with Fe (III)-exchanged clinoptilolite nano-
particles (Fe (III)-NClino/CPE) was constructed and used for simultaneous voltammetric (CV …