A novel chemosensor for the distinguishable detections of Cu2+ and Hg2+ by off–on fluorescence and ratiometric UV–visible absorption

Jiang, Huie; Tang, Danni; Li, Nihao; Li, Junwei; Z, Li; Han, Qingxin; Liu, Xinhua; Zhu, Xia

doi:10.1016/j.saa.2020.119365

Cited by 22 publications

(5 citation statements)

References 53 publications

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“…The quinoline unit with an alkene group (118) (Scheme 22) underwent ring opening in the presence of Cu 2+ to show a significant fluorescence enhancement at 582 nm in CH 3 CN/ water (4 : 1, v/v). 135 The LOD for Cu 2+ was 1.2 Â 10 À7 M. It showed a ratiometric signal towards Cu 2+ by increasing the absorbance at 560 nm and lowering at 350 nm. Another ratiometric signal was observed for Hg 2+ with an increasing wavelength ratio at 560 nm/385 nm.…”

Section: Differential Detection By Rhodamine Based Chemosensorsmentioning

confidence: 94%

Structure–metal ion selectivity of rhodamine-based chemosensors

Ghosh

Roy

2023

Chem. Commun.

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Section: Differential Detection By Rhodamine Based Chemosensorsmentioning

confidence: 94%

Structure–metal ion selectivity of rhodamine-based chemosensors

Ghosh

Roy

2023

Chem. Commun.

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“…Jiang et al 77 designed a chemosensor with low cytotoxicity based on the conjugation of rhodamine B and a quinoline derivative for the detection of Cu 2+ and Hg 2+ in living cells. The opening of the rhodamine spirocycle was observed with Cu 2+ , inducing a new absorption peak at 560 nm while the isoabsorptive point at 350 nm remained stable.…”

Section: Uv−vis Sensormentioning

confidence: 99%

Detection of Heavy Metal Ions by Ratiometric Photoelectric Sensor

Wang

Liu

2022

J. Agric. Food Chem.

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In recent years, heavy metal pollution has become increasingly serious. Heavy metals exist in an environment mainly in the form of ions (heavy metal ions, HMs). They can contaminate food, water, soil, and the atmosphere, leading to serious harm to plants and animals. With high bioavailability and nonbiodegradability, HMs can accumulate through biomagnification. Consequently, heavy metal pollution has become the cause of many fatal diseases threatening human health and ecological environment. Therefore, the accurate detection of HMs is vital and necessary. In this paper, the harm and limit standards of heavy metals were systematically summarized and the common analysis methods were overviewed and compared. Specifically, the latest research progress of ratiometric photoelectric sensor, including optical and electrical sensor, were mainly described. The research status and advantages and disadvantages of a photoelectric sensor were summarized. Furthermore, the future directions were proposed, which provided the reference for the further research and application of the ratiometric photoelectric sensor.

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“…Good LOD results have been observed in other fused pyridines, which means that some probes can be applied in real and biological samples. [114][115][116][117][118][119][120][121] 3.4.1. Probes having pyridine.…”

Section: Pyridine Derivativesmentioning

confidence: 99%

“…Studies in live Chinese hamster lung cells suggested that 87 exhibited low cytotoxicity and could be utilized in live cells in vivo with minor damage to monitor Cu 2+ and Hg 2+ . 121 3.4.3. Other pyridine derivatives.…”

Section: Pyridine Derivativesmentioning

confidence: 99%