A portable microfluidic electrochemical sensing platform for rapid detection of hazardous metal Pb2+ based on thermocapillary convection using 3D Ag-rGO-f-Ni (OH) …

S Ma, W Zhao, Q Zhang, K Zhang, C Liang… - Journal of Hazardous …, 2023 - Elsevier
Heavy metal pollution is causing a great threat to ecological environment and public health,
which needs an efficient strategy for monitoring. A portable microfluidic electrochemical …

A ratiometric electrochemical sensor for simultaneous detection of multiple heavy metal ions based on ferrocene-functionalized metal-organic framework

X Wang, Y Qi, Y Shen, Y Yuan, L Zhang… - Sensors and Actuators B …, 2020 - Elsevier
It is a significant and challenging task to simultaneously detection of multiple heavy metal
ions with convenience, sensitivity and reliability. Herein, a novel ratiometric electrochemical …

Electrochemical sensor applying ZrO2/nitrogen-doped three-dimensional porous carbon nanocomposite for efficient detection of ultra-trace Hg2+ ions

K Liu, M Pan, ZW Zhang, L Hong, X Xie, J Yang… - Analytica Chimica …, 2022 - Elsevier
In this study, a ZrO 2/nitrogen-doped three-dimensional porous carbon (ZrO 2/N-3DPC)
nanocomposite was manufactured to fabricate an effective electrochemical sensor for the …

A Robust Electrochemical Sensor Based on Butterfly‐shaped Silver Nanostructure for Concurrent Quantification of Heavy Metals in Water Samples

M Naseri, M Mohammadniaei, K Ghosh… - …, 2023 - Wiley Online Library
Heavy metals in drinking water have become a severe threat to human health. Detection of
heavy metals has been achieved by electrochemical sensors that are modified with complex …

A smartphone-based quantitative point-of-care testing (POCT) system for simultaneous detection of multiple heavy metal ions

Z Xu, Z Liu, M Xiao, L Jiang, C Yi - Chemical Engineering Journal, 2020 - Elsevier
It is of great significance to develop versatile and cost-effective point-of-care testing (POCT)
systems for simultaneous quantitation of multiple analytes on-site. This work reports on: 1) …

3D Printed Microfluidic Device with Microporous Mn2O3-Modified Screen Printed Electrode for Real-Time Determination of Heavy Metal Ions

Y Hong, M Wu, G Chen, Z Dai, Y Zhang… - … applied materials & …, 2016 - ACS Publications
Fabricating portable devices for the determination of heavy metal ions is an ongoing
challenge. Here, a 3D printing approach was adopted to fabricate a microfluidic …

Controllable Synthesis of a Porous PEI-Functionalized Co3O4/rGO Nanocomposite as an Electrochemical Sensor for Simultaneous as Well as Individual Detection …

AU Rehman, M Fayaz, H Lv, Y Liu, J Zhang, Y Wang… - ACS …, 2022 - ACS Publications
The present study focuses on the strategy of employing an electrochemical sensor with a
porous polyethylenimine (PEI)-functionalized Co3O4/reduced graphene oxide (rGO) …

Detection of hydrogen peroxide with low-dimensional silver nanoparticle-decorated PPy-C/TiO2 nanocomposites by electrochemical approach

M Faisal, MM Alam, AM Asiri, M Alsaiari… - Journal of …, 2023 - Elsevier
Herein, a sensor probe based on differential pulse voltammetric (DPV) electrochemical
approach was developed for an efficient detection of hydrogen peroxide (H 2 O 2) in a room …

Microfluidic sensor integrated with nanochannel liquid conjunct Ag/AgCl reference electrode for trace Pb (II) measurement

J Dai, W Gao, J Yin, L Liang, J Zou, Q Jin - Analytica Chimica Acta, 2021 - Elsevier
Pollution due to heavy metals is becoming increasingly hazardous; therefore, demand for
the large-scale deployment of sensor nodes for water quality monitoring has increased. The …

Embedded Au nanoparticles-based ratiometric electrochemical sensing strategy for sensitive and reliable detection of copper ions

X Wang, G Liu, Y Qi, Y Yuan, J Gao, X Luo… - Analytical …, 2019 - ACS Publications
The ratiometric method allows the measurement of ratio changes between two signals,
which can reduce the detection signal fluctuations caused by distinct background conditions …