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• W4386485486 endingPage "123367" @default.
• W4386485486 startingPage "123367" @default.
• W4386485486 abstract "Water contamination caused by heavy metals represents an urgent global issue. Cu2+, a potential trace heavy metal pollutant, can accumulate in the human body through the food chain, leading to excessive levels that give rise to diverse health complications. Hence, in this investigation, a novel and efficacious fluorescent probe named Eu-BTB was developed for the detection of Cu2+, employing 1,3,5-triphenyl(4-carboxyphenyl) (H3BTB) as the ligand and Eu3+ as the metallic framework. The probe demonstrates exceptional fluorescence characteristics. The interaction between the probe ligand BTB and Eu3+ triggers an antenna effect, heightening the emission efficiency of Eu3+ while preserving its intrinsic emission. The introduction of Cu2+ competes with BTB for binding, thus quelling the antenna effect and inducing a fluorescence alteration. Within the concentration range of 0.05-10 μM, the fluorescence intensity-to-Cu2+ concentration ratio exhibits a robust linear correlation, with a remarkably low detection limit of 10 nM and a rapid response time of 3 min. The fluorescent probe has been effectively deployed for the detection of copper ions in water across diverse environmental conditions, with the obtained outcomes being validated via the conventional approach of inductively coupled plasma mass spectrometry (ICP-MS). The Eu-BTB probe showcases the advantages of simplicity, swiftness, and broad applicability, thus affirming its potential for the prompt and accurate detection of Cu2+ in diverse environmental water samples." @default.
• W4386485486 created "2023-09-07" @default.
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• W4386485486 date "2024-01-01" @default.
• W4386485486 modified "2023-09-26" @default.
• W4386485486 title "Eu-MOF based fluorescence probe for ratiometric and visualization detection of Cu2+" @default.
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• W4386485486 doi "https://doi.org/10.1016/j.saa.2023.123367" @default.
• W4386485486 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37714107" @default.
• W4386485486 hasPublicationYear "2024" @default.
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