Nanocomposites of graphene and graphene oxides: synthesis, molecular functionalization and application in electrochemical sensors and biosensors. A review

J Xu, Y Wang, S Hu - Microchimica Acta, 2017 - Springer
Functionalized nanocomposites based on various type of graphene nanomaterials including
graphene, graphene oxides (GOs), and doped graphene (oxides) are widely used as …

Progress in sensory devices of pesticides, pathogens, coronavirus, and chemical additives and hazards in food assessment: Food safety concerns

MA Shenashen, MY Emran, A El Sabagh… - Progress in Materials …, 2022 - Elsevier
Food intake gives vitality and supplements to support humans and other living organisms.
Food safety and contamination problems associated with food hygiene, storage, chemical …

Electrochemical methods as a tool for determining the antioxidant capacity of food and beverages: A review

J Hoyos-Arbeláez, M Vázquez, J Contreras-Calderón - Food chemistry, 2017 - Elsevier
The growing interest in functional foods had led to the use of analytical techniques to
quantify some properties, among which is the antioxidant capacity (AC). In order to identify …

Review on nanomaterials-enabled electrochemical sensors for ascorbic acid detection

K Dhara, RM Debiprosad - Analytical biochemistry, 2019 - Elsevier
Abstract This review (with 307 refs.) addresses the recent advances in electrochemical
nonenzymatic ascorbic acid (AA) sensors using various nanomaterials as sensing elements …

Electrochemical preparation of nickel and copper oxides-decorated graphene composite for simultaneous determination of dopamine, acetaminophen and tryptophan

B Liu, X Ouyang, Y Ding, L Luo, D Xu, Y Ning - Talanta, 2016 - Elsevier
In the present work, transition metal oxides decorated graphene (GR) have been fabricated
for simultaneous determination of dopamine (DA), acetaminophen (AC) and tryptophan (Trp) …

Selective detection of dopamine in the presence of uric acid using NiO nanoparticles decorated on graphene nanosheets modified screen‐printed electrodes

S Jahani, H Beitollahi - Electroanalysis, 2016 - Wiley Online Library
A convenient, low cost, and sensitive electrochemical method, based on a disposable
graphene nanosheets (GR) and NiO nanoparticles modified carbon screen printed electrode …

Dual-mode biosensor platform based on synergistic effects of dual-functional hybrid nanomaterials

H Shang, X Zhang, M Ding, A Zhang - Talanta, 2023 - Elsevier
Detection of biomarkers is very vital in the prevention, diagnosis and treatment of diseases.
However, due to the poor accuracy and sensitivity of the constructed biosensors, we are now …

Facile green synthesis of reduced graphene oxide/tin oxide composite for highly selective and ultra-sensitive detection of ascorbic acid

R Sha, S Badhulika - Journal of Electroanalytical Chemistry, 2018 - Elsevier
In this work, we report a novel, cost effective and environmental-friendly green synthesis
method of reduced graphene oxide (rGO)–tin oxide (SnO 2) composite using lemon extract …

GC electrode modified with carbon nanotubes and NiO for the simultaneous determination of bisphenol A, hydroquinone and catechol

LA Goulart, LH Mascaro - Electrochimica Acta, 2016 - Elsevier
This work reports the electrochemical determination of bisphenol A (BPA), hydroquinone
(HQ) and catechol (CC) using glassy carbon electrode (GCE) modified with multi-walled …

Voltammetric determination of 6-thioguanine and folic acid using a carbon paste electrode modified with ZnO-CuO nanoplates and modifier

H Beitollahi, SG Ivari, M Torkzadeh-Mahani - Materials Science and …, 2016 - Elsevier
ZnO-CuO nanoplates and 2-chlorobenzoyl ferrocene, were synthesized and used to
construct a modified carbon paste electrode. The electrooxidation of 6-thioguanine at the …