A Sulfo-Cyanine Dye as a Colorimetric Chemosensor for Metal Cation Recognition

CDF Martins, MMM Raposo, SPG Costa - Engineering Proceedings, 2022 - mdpi.com
Metal cations play important roles in several industrial and biochemical processes.
However, high levels of some cations are toxic and consequently cause serious health and …

A multi-responsive cyanine-based colorimetric chemosensor containing dipicolylamine moieties for the detection of Zn (II) and Cu (II) ions

Y Hu, J Yin, J Yoon - Sensors and Actuators B: Chemical, 2016 - Elsevier
A cyanine-based chemosensor containing dipicolylamine moieties is reported and its
structure is well-defined. Investigation on the optical property shows it is pH-independent …

Highly selective optical chemosensor for cyanide in aqueous medium

JMM Rodrigues, AAS Farinha, AC Tome… - Sensors and Actuators B …, 2016 - Elsevier
New cyanide selective chromogenic chemosensors based on metal-phthalocyanines
containing four tosylamino groups were developed. These new receptors have high …

[PDF][PDF] Visible colourimetric and ratiometric fluorescent chemosensors for Cu (II) and Ni (II) ions

S Brahma, P Ray, R Singha, JK Ray - Asian Journal of Chemistry, 2016 - researchgate.net
Fluorescent and ratiometric sensors for the detection and measurement of copper and nickel
ions has been actively investigated, as these metal ions are significant environmental …

Cation Sensing Capabilities of A Nitrophenyl Cinnamaldehyde Derivative

V Suryanti, FR Wibowo, A Marzuki, MRK Sari - Molekul, 2020 - ojs.jmolekul.com
The cationic chemosensor based on organic compound bearing an aminophenol moiety as
a receptor for metal analyte and a cinnamaldehyde moiety as chromophoric fragment has …

Single chemosensor for highly selective colorimetric and fluorometric dual sensing of Cu (II) as well as 'NIRF'to acetate ion

S Goswami, S Maity, AK Das, AC Maity - Tetrahedron Letters, 2013 - Elsevier
A novel fluorescent probe for the copper (II) ion in mixed aqueous media, based on
fluorescence quenching mechanism with noticeable color change from light to dark yellow …

A new chromenylium-cyanine chemosensor for switch-ON near-infrared copper (II) sensing

K Karaoglu - Journal of Molecular Structure, 2020 - Elsevier
A highly selective and sensitive near-IR chemosensor having a chromenylium-cyanine
backbone for the detection of Cu 2+ in aqueous samples has been designed and …

A simple colorimetric chemosensor with highly performance for detection of cyanide and copper ions and its practical application in real samples

A Mohammadi, M Kianfar - Journal of Photochemistry and Photobiology A …, 2018 - Elsevier
Two novel and simple azo-based compounds with electron-withdrawing and electron-
donating groups (M1 and M2) were synthesized by the diazotization procedure. The …

Hemicyanine-based colorimetric chemosensors: Different recognition mechanisms for CN− sensing

SY Gwon, EM Lee, SH Kim - Spectrochimica Acta Part A: Molecular and …, 2012 - Elsevier
Simple hemicyanine dyes were synthesized by a classical condensation reaction. The
structures of these dyes were characterized by 1H NMR spectroscopy, elemental analysis …

Design and synthesis of a novel optical chemoreceptor based on naphthalene azo dye for detecting cyanide ion in aqueous medium and real samples

H Zavvar Mousavi, A Mohammadi, S Yaghoubi… - Chemical Papers, 2024 - Springer
In this work, a chemoreceptor based on naphthalene azo dye (HNC) was successfully
synthesized, characterized and reported for highly sensitive and selective detection of …