One-pot synthesis of a natural phenol derived fluorescence sensor for Cu(II) and Hg(II) detection

Nature‐Inspired Functional Chromophores from Biomimetic o‐Quinone Chemistry

“…The development of a fluorescence sensor for selective detection of Cu(II) and Hg(II) in aqueous solution based on the oxidative coupling of catechin with dopamine. In the case of Cu(II), oxidation of the catechol unit of azamonardine generates Cu(I) that is chelated by the resulting o ‐quinone (Figure 9 ) [37] The development of a method for dopamine detection in body fluids with high sensitivity (10 nM‐20 μM) thanks to the high quantum yield of the azamonardine fluorophore and selectivity also with respect to related catecholamines like epinephrine and norepinephrine [38] …”

Extraction and Application of Natural Rutin From Sophora japonica to Prepare the Novel Fluorescent Sensor for Detection of Copper Ions

“…Therefore, this was the task of the present document. Thousands of ion-detective fluorescent sensors for ion have been reported upon in the literature ( Zhang et al, 2018 ; Chen et al, 2019 ; Kan et al, 2020 ; Li et al, 2021 ). Importantly, the most common theme in these studies is that the fluorescent molecules investigated were often formed synthetically and their workup often included use of toxic reagents and solvents.…”

“Turn‐on” Fluorescence Chemosensor Based Probing of Cu2+ with Excellent Sensitivity: Experimental Study, DFT Calculations and Application in Living Cells and Natural Waters

“…[1] Copper (Cu 2 + ) ranks as the third most plentiful cations in our body and has some critical roles in a variety of biological activities. [2][3][4][5] Cu 2 + functions to produce red blood cells and acts as a cofactor of various enzymes like ferroxidases and cytochrome oxidase. [6,7] Cu 2 + stays in the ecological system indefinitely because of its non-biodegradability, and so it can be a huge menace for human safety and health.…”

“…[2,10,16] Until now, several analytical and testing methodologies, such as, ion-selective membrane, atomic emission spectrometry, flow injection, and electrochemical methods, have been developed to recognize Cu 2 + concentration. [3,4,9,10,16,17] Although these methods provide accurate measurements in matrixes, many of them usually suffer from some restrictions like insufficient sensitivity, requirement of highly trained operators, and expensive and sophisticated instrumentations. [5,9,10,15] By contrast, fluorescence sensing-based techniques for Cu 2 + detection require relatively simple instruments and attract more attention on account of significant advantages, including real time and in situ analysis, fast response, convenient operation, and high sensitivity.…”

“…[5,9,10,15] By contrast, fluorescence sensing-based techniques for Cu 2 + detection require relatively simple instruments and attract more attention on account of significant advantages, including real time and in situ analysis, fast response, convenient operation, and high sensitivity. [4,12,16,[18][19][20][21][22][23][24] Hence, the above merits make fluorescent based strategy as an indispensable tool in disease diagnosis and treatment, biomedical area and also other fields. [10] Previously, a lot of fluorescence probes consisting of molecules such as rhodamine, [25] [5]helicene, [2] coumarin, [15,16] benzimidazole, [18] calixarene, [18] naphtalimide, [1,11] Schiff base, [26][27][28] aldazine, [29] thiocarbonohydrazone, [30] and quinoline [12] have been published in the literature for the recognition of copper ions.…”