ArticleSensors (Basel, Switzerland)2019
A Sensitive Near-Infrared Fluorescent Probe for Detecting Heavy Metal Ag⁺ in Water Samples.
Article in Sensors (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- A facile synthesis of a novel 4-hydroxyl-3-azo coumarin based colorimetric probes for detecting HgRSC advances · 2023Article
- Yellow emissive nitrogen-doped carbon dots as a fluorescence probe for the sensitive and selective detection of silver ions.RSC advances · 2023Article
- A multi-colorimetric probe to discriminate between heavy metal cations and anions in DMSO-HRSC advances · 2021Article
- A Highly Selective and Sensitive Peptide-Based Fluorescent Ratio Sensor for AgJournal of fluorescence · 2021Article
- A Water-Soluble Fluorescent Probe for the Selective Sensing of AgJournal of fluorescence · 2020Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
Silver is a common catalyst in industrial production, and the frequent use of Ag⁺ can cause water pollution. Thus, the detection of Ag⁺ in the environment is necessary to determine the level of pollution from silver. In this work, we designed a new, highly selective near-infrared (NIR) fluorescent probe QCy to detect Ag⁺. The probe exhibits "turn-off" fluorescence quenching responses at 760 nm towards Ag⁺ over other relevant cations, with outstanding sensitivity and a low detection limit (0.03 µM), which is considerably lower than the standard of the World Health Organization (WHO) for drinking water (0.9 µM). Meanwhile, QCy showed a very good linearity at a low concentration of Ag⁺ with a 'naked eye' visible color change of solution from blue to red. The probe has been applied successfully for the detection of Ag⁺ in real water samples.
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Registered trials
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