Electrochemical sensing of heavy metal ions with inorganic, organic and bio-materials

L Cui, J Wu, H Ju - Biosensors and Bioelectronics, 2015 - Elsevier
As heavy metal ions severely harm human health, it is important to develop simple, sensitive
and accurate methods for their detection in environment and food. Electrochemical detection …

Recent trends in macro-, micro-, and nanomaterial-based tools and strategies for heavy-metal detection

G Aragay, J Pons, A Merkoçi - Chemical reviews, 2011 - ACS Publications
In small quantities, certain heavy metals (eg, iron, copper, manganese, and zinc) are
nutritionally essential for a healthy life. However, heavy metals show a great trend to form …

Triplex DNA nanostructures: from basic properties to applications

Y Hu, A Cecconello, A Idili, F Ricci… - Angewandte Chemie …, 2017 - Wiley Online Library
Triplex nucleic acids have recently attracted interest as part of the rich “toolbox” of structures
used to develop DNA‐based nanostructures and materials. This Review addresses the use …

Modified electrodes used for electrochemical detection of metal ions in environmental analysis

G March, TD Nguyen, B Piro - Biosensors, 2015 - mdpi.com
Heavy metal pollution is one of the most serious environmental problems, and regulations
are becoming stricter. Many efforts have been made to develop sensors for monitoring …

Electrochemical sensor based on electrodeposited graphene-Au modified electrode and nanoAu carrier amplified signal strategy for attomolar mercury detection

Y Zhang, GM Zeng, L Tang, J Chen, Y Zhu… - Analytical …, 2015 - ACS Publications
An electrochemical sensor was developed for attomolar Hg2+ detection. Three single-
stranded DNA probes were rationally designed for selective and sensitive detection of the …

Impedimetric Immobilized DNA-Based Sensor for Simultaneous Detection of Pb2+, Ag+, and Hg2+

Z Lin, X Li, HB Kraatz - Analytical chemistry, 2011 - ACS Publications
An unlabeled immobilized DNA-based sensor was reported for simultaneous detection of
Pb2+, Ag+, and Hg2+ by electrochemical impedance spectroscopy (EIS) with [Fe (CN) 6] 4 …

Graphene Oxide-Based Amplified Fluorescent Biosensor for Hg2+ Detection through Hybridization Chain Reactions

J Huang, X Gao, J Jia, JK Kim, Z Li - Analytical chemistry, 2014 - ACS Publications
We report a graphene oxide (GO)-based fluorescent sensor for Hg2+ detection in aqueous
solutions by using hybridization chain reactions (HCRs). GO is used as an adsorption …

DNA assembly‐based stimuli‐responsive systems

S Lu, J Shen, C Fan, Q Li, X Yang - Advanced Science, 2021 - Wiley Online Library
Stimuli‐responsive designs with exogenous stimuli enable remote and reversible control of
DNA nanostructures, which break many limitations of static nanostructures and inspired …

Fluorescence sensor based on biosynthetic CdSe/CdS quantum dots and liposome carrier signal amplification for mercury detection

Y Zhang, JY Xiao, Y Zhu, LJ Tian, WK Wang… - Analytical …, 2020 - ACS Publications
Mercury (Hg), as a highly harmful environmental pollutant, poses severe ecological and
health risks even at low concentrations. Accurate and sensitive methods for detecting Hg2+ …

Electrochemical determination of mercury: A review

D Martín-Yerga, MB González-García, A Costa-García - Talanta, 2013 - Elsevier
Mercury is a metal that has been extensively studied, in large part due to its high toxicity.
Therefore, mercury levels must be monitored in different sample types using analytical …