A novel AgNPs-based colorimetric sensor for rapid detection of Cu 2+ or Mn 2+ via pH control

G Wu, C Dong, Y Li, Z Wang, Y Gao, Z Shen, A Wu - Rsc Advances, 2015 - pubs.rsc.org
In this study, we propose a new silver nanoparticles (AgNPs)-based colorimetric sensor for
rapid detection of Cu2+ or Mn2+ at pH 1.9 or 12.0, respectively. At pH 1.9, the AgNPs …

Exploring a new rapid colorimetric detection method of Cu2+ with high sensitivity and selectivity

LJ Miao, JW Xin, ZY Shen, YJ Zhang, HY Wang… - Sensors and Actuators B …, 2013 - Elsevier
In this study, we propose a new rapid colorimetric detection method of Cu2+ with high
sensitivity and selectivity utilizing starch-stabilized silver nanoparticles (AgNPs), which are …

Engineering a ratiometric-sensing platform based on a PTA-NH2@ GSH-AuNCs composite for the visual detection of copper ions via RGB assay

X Sun, R Wen, R Zhang, Y Guo, H Li, YI Lee - Microchemical Journal, 2022 - Elsevier
This work involved the development of a smartphone-assisted ratiometric-sensing platform
for the convenient detection of copper ions (Cu 2+). The ratiometric fluorescence sensor was …

Facile and Green Fabrication of Carrageenan-Silver Nanoparticles for Colorimetric Determination of Cu2+ and S2−

Y Wang, X Dong, L Zhao, Y Xue, X Zhao, Q Li, Y Xia - Nanomaterials, 2020 - mdpi.com
In the present work, silver nanoparticles (AgNPs) were prepared by a simple and green
method using carrageenan as reducing and capping agent. The as-synthesized …

Malonamide dithiocarbamate functionalized gold nanoparticles for colorimetric sensing of Cu 2+ and Hg 2+ ions

VN Mehta, SK Kailasa - Rsc Advances, 2015 - pubs.rsc.org
In this study, a colorimetric probe was developed based on malonamide dithiocarbamate
functionalized gold nanoparticles (MA–DTC–Au NPs) for the simultaneous colorimetric …

Biologically green synthesized silver nanoparticles as a facile and rapid label-free colorimetric probe for determination of Cu2+ in water samples

S Basiri, A Mehdinia, A Jabbari - … Acta Part A: Molecular and Biomolecular …, 2017 - Elsevier
A highly sensitive and cost-effective colorimetric sensing platform for the selective trace
analysis of Cu 2+ ions was developed based on the accelerated etching of Riboflavin …

Sensitive and selective colorimetric detection of Cu 2+ in aqueous medium via aggregation of thiomalic acid functionalized Ag nanoparticles

V Tharmaraj, J Yang - Analyst, 2014 - pubs.rsc.org
A simple and effective colorimetric method for determination of Cu2+ in real samples was
developed. In this method, thiomalic acid functionalized silver nanoparticles (TMA-AgNPs) …

Ultrasensitive colorimetric detection of manganese (II) ions based on anti-aggregation of unmodified silver nanoparticles

Y He, X Zhang - Sensors and Actuators B: Chemical, 2016 - Elsevier
We report a facile, selective, and sensitive colorimetric assay for Mn 2+ ions based on the
anti-aggregation of unmodified silver nanoparticles (AgNPs). In the absence of Mn 2+ ions …

Fluorescent silver nanoclusters for user-friendly detection of Cu 2+ on a paper platform

X Liu, C Zong, L Lu - Analyst, 2012 - pubs.rsc.org
The development of a user-friendly sensing platform for the detection of Cu2+ in water is
necessary as there are wide concerns due to the substantial impact of Cu2+ on human …

A Highly Selective and Sensitive Nano-Silver sol Sensor for Hg2+ and Fe3+: Green Preparation and Mechanism

Y Yang, X Zhou, R Dong, Y Wang, Z Li, Y Xue, Q Li - Polymers, 2022 - mdpi.com
The development of highly selective and highly sensitive nanometer colorimetric chemical
sensors is an urgent requirement in the immediate detection of heavy metal ions. In this …