Selective two way Cd(II) and Co(II) ions detection by 1,2,3–triazole linked fluorescein derivative

Recent progress in cadmium fluorescent and colorimetric probes

“…24 ). 30 In an ethanol/water (4 : 1, v/v) solution, probe 66 has high selectivity to Cd 2+ and Co 2+ . It binds to Cd 2+ and Co 2+ through the N, O, N cornered caged of probe 66.…”

“…Fluorescent sensors consist of uorophore (signalling) and receptor (guest binding) moieties, either separated by a spacer or integrated into one unit. 29,30 Common uorophores are rhodamine, naphthalimide, coumarin, quinolone, BODIPY, benzothiazole, uorescein, diarylethylene. 4,16,17,19,21,22,[31][32][33][34] Common receptors are pyridine and its analogues, and other structures containing O, N, S and other heteroatoms.…”

A high-performance fluorescent hybrid material for fluorometric detection and removal of toxic Pb(ii) ions from aqueous media: performance and challenges

“…It is known that the presence of chemicals such as toxic heavy metal ions, micro-pollutants, dyestuffs, phenols, pesticides, detergents, and other persistent organic pollutants causes widespread water pollution in different parts of the world. 1–7 The discharge of these toxic pollutants into natural waters greatly affects the ecological balance and causes harmful effects on vegetation and animals. Therefore, it is important to treat contaminated water and wastewater before discharge into the environment.…”

CuAAC-Derived Selective Fluorescent Probe as a Recognition Agent for Pb(II) and Hg(II): DFT and Docking Studies

“…The archetypal click reaction, that is, CuAAC methodology, provides a well-organized, robust, and efficient pathway to synthesize 1,2,3-triazole-based compounds for addressing the research problem of metal ion toxicity in addition to other sensing devices such as supramolecular polymers. − The development of new 1,2,3-triazole-linked compounds by stitching a terminal alkyne to an organic azide in the presence of Cu­(I) catalyst (Figure ) has been extensively explored over the past several years with increasing interest as ion-recognition devices − due to their high sensitivity, rapid response time, lower toxicity, strong biological activity, and a high degree of environmental compatibility as well as their coordination abilities, as the heteroatom-bearing aromatic rings exhibit binding to specific metal ions via ion–dipole interactions . Besides, the flexibility provided by this methodology to insert tailor-made functionalities to the 1,2,3-triazole moiety empowers the researchers to develop recognition devices that provide distinct advantages such as lower limit of detection (LoD) and visual changes to the naked eye over the other existing methodologies for ion recognition such as atomic absorption spectroscopy and inductively coupled plasma–mass spectrometry …”