ArticleInternational journal of molecular sciences2021
Highly-Efficient Sulfonated UiO-66(Zr) Optical Fiber for Rapid Detection of Trace Levels of Pb
Article in International journal of molecular sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- A portable electrochemical device with UiO-66@polydopamine modified screen-printed electrodes for rapid detection of manganese ions.Mikrochimica acta · 2025Article
- Probing Acidic and Defective Sites in Sulfated UiO-66 and ZrONanomaterials (Basel, Switzerland) · 2025Article
- A comprehensive review of the application of Zr-based metal-organic frameworks for electrochemical sensors and biosensors.Mikrochimica acta · 2024Review
- Liquid Crystal@Nanosilver Catalytic Amplification-Aptamer Trimode Biosensor for Trace PbInternational journal of molecular sciences · 2023Article
- Solvent-Free Preparation of Tannic Acid Carbon Dots for Selective Detection of NiInternational journal of molecular sciences · 2022Article
- Recent Progress in Metal-Organic Framework Based Fluorescent Sensors for Hazardous Materials Detection.Molecules (Basel, Switzerland) · 2022Review
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Lead detection for biological environments, aqueous resources, and medicinal compounds, rely mainly on either utilizing bulky lab equipment such as ICP-OES or ready-made sensors, which are based on colorimetry with some limitations including selectivity and low interference. Remote, rapid and efficient detection of heavy metals in aqueous solutions at ppm and sub-ppm levels have faced significant challenges that requires novel compounds with such ability. Here, a UiO-66(Zr) metal-organic framework (MOF) functionalized with SO3H group (SO3H-UiO-66(Zr)) is deposited on the end-face of an optical fiber to detect lead cations (Pb2+) in water at 25.2, 43.5 and 64.0 ppm levels. The SO3H-UiO-66(Zr) system provides a Fabry-Perot sensor by which the lead ions are detected rapidly (milliseconds) at 25.2 ppm aqueous solution reflecting in the wavelength shifts in interference spectrum. The proposed removal mechanism is based on the adsorption of [Pb(OH2)6]2+ in water on SO3H-UiO-66(Zr) due to a strong affinity between functionalized MOF and lead. This is the first work that advances a multi-purpose optical fiber-coated functional MOF as an on-site remote chemical sensor for rapid detection of lead cations at extremely low concentrations in an aqueous system.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.