Energy transfer engineering in lanthanide metal-organic frameworks for ratiometric fluorescence sensing

TrAC Trends in Analytical Chemistry, Journal Year: 2025, Volume and Issue: unknown, P. 118133 - 118133

Published: Jan. 1, 2025

Language: Английский

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Enhancement of Luminescence, Multiple-Sensing, and Differentiated Live-Cell-Imaging Properties of High-Nuclear Lanthanide Nanoclusters via the Zn(II)-Chelate-Controlled Dual Antenna Effect

ACS Materials Letters, Journal Year: 2024, Volume and Issue: 6(8), P. 3312 - 3326

Published: June 26, 2024

Enhancing the "antenna effect" of ligands and promoting energy transfer to a lanthanide metal center is one most effective ways construct complex-based emitters with bright emissions. Herein, highly stable nanoclusters (Ln9Zn8; Ln = Dy, Tb, Eu, or Gd) were constructed using Zn(II) metalloligand protection strategy, "dual antenna was selectively turned on enhance luminescence Eu9Zn8. The enabled dual effect for Eu9Zn8, resulting in its solid state being significantly stronger than that Tb9Zn8. Eu9Zn8 has excellent optical sensing properties Al3+, Fe3+, Cr2O72–. Notably, ultrasmall nanocluster showed cellular uptake labeling capabilities after incubation HeLa, MDA–MB–231, HepG2, H9c2, 4T1, SK–OV–3, MCF–7 cells. This work opens up new horizons application biological imaging.

Language: Английский

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Ratiometric visualization fluorescence temperature sensing based on dual-lanthanide metal-organic frameworks

Journal of Molecular Structure, Journal Year: 2024, Volume and Issue: 1316, P. 139071 - 139071

Published: June 19, 2024

Language: Английский

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Selective and Rapid Detection of 4-Nitrophenol in River and Treated Industrial Wastewater by a Luminescent Lanthanide Metal–Organic Framework Sensor

Inorganic Chemistry, Journal Year: 2023, Volume and Issue: 62(48), P. 19565 - 19572

Published: Nov. 17, 2023

Phenolic organic compounds are widely used industrial chemicals that exist extensively in the environment and have a significant impact on human health. 4-Nitrophenol (4-NP) is typical phenolic compound found aqueous environments. Efficient detection of 4-NP wastewater highly challenging due to complexity testing environmental samples. Herein, luminescent lanthanide metal-organic framework (MOF) sensor based Eu3+ ion {[Eu(HL)(L)(H2O)]·2H2O}n (EuMOF; H2L = 5-(4H-1,2,4-triazol-4-yl)benzene-1,3-dicarboxylic acid) was successfully synthesized for efficient wastewater. Fluorescence sensing experiments revealed could greatly quench EuMOF fluorescence. Subsequently, applied distilled water, tap river treated wastewater, exhibiting high sensitivity, fast response within 30 s, selectivity, excellent reusability, low limit. Finally, fluorescence quenching mechanism explored attributed competitive absorption irradiated light between ligand.

Language: Английский

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Ultrasensitive Eu-Based MOF Luminescence Sensor for Clenbuterol Visible Recognition

Inorganic Chemistry, Journal Year: 2024, Volume and Issue: 63(7), P. 3383 - 3392

Published: Feb. 5, 2024

Clenbuterol (CLB) as an illegal feed additive may cause a great security risk to food safety. However, convenient and efficient detection means for CLB in practical application remain formidable challenge. Herein, stable Eu-based organic framework {[H2N(CH3)2]2[Eu2(ttca)2]·H2O}n (compound 1) (H4ttca = [1,1′:2′,1″-terphenyl]-4,4′,4″,5′-tetracarboxylic acid) has been harvested, exhibiting excellent chemical stability thermal stability. Luminescence investigation reveals that compound 1 can sensitively selectively detect without being affected by different components from simulated serum urine (limit detection: 22.7 nM). Furthermore, sensor also be applicable recognition real swine feeds, presenting anti-interference performance. The good cyclicity of endows determination with many advantages: low cost, high stability, simplicity. Importantly, view the indication luminescence color (red blue), test membranes were fabricated employed fast detection, providing valuable scheme visual monitoring meat products. This work enriches rare earth metal compounds portfolios breaks concentration record (nM) detecting compared reported complex materials, effective platform visually.

Language: Английский

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Regulation of the Metal Center in Lanthanide Nanoparticles to Achieve Multifunctional Sensing

Analytical Chemistry, Journal Year: 2024, Volume and Issue: 96(31), P. 12692 - 12700

Published: July 26, 2024

Development of a multifunctional sensor is highly desirable. In this work, traces carcinoid cancer biomarker 5-hydroxyindole-3-acetic acid (5-HIAA) in real human urine can be detected by lanthanide nanoparticle

Language: Английский

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A smartphone-integrated bimetallic ratiometric fluorescent probe for specific visual detection of tetracycline antibiotics in food samples and latent fingerprinting

Food Chemistry, Journal Year: 2024, Volume and Issue: 464, P. 141782 - 141782

Published: Oct. 24, 2024

Language: Английский

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A dinuclear Cd^II cluster-based stable luminescent metal–organic framework for the consecutive and visual detection of H₂PO₄⁻ and OCN⁻

Dalton Transactions, Journal Year: 2024, Volume and Issue: 53(11), P. 5160 - 5166

Published: Jan. 1, 2024

JXUST-47 with good stability can be used as a dual-response sensor for H 2 PO 4 − /OCN by fluorescence quenching and shift effects. has certain reference significance sensing ion concentrations.

Language: Английский

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Controlled synthesis of lanthanide cluster and coordination polymer and as sensors for pesticide and antibiotics

Microchemical Journal, Journal Year: 2025, Volume and Issue: 210, P. 112925 - 112925

Published: Jan. 29, 2025

Language: Английский

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Lanthanide Molecular Clusters and Metal–Organic Layers Constructed by Manipulation of Substituents

Inorganic Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 5, 2025

Usually, complexes with different connections and shapes are constructed by regulating the substituents. However, it is extremely challenging to construct two lanthanide dimensions only fine-tuning substituents of ligands, especially (−CH3 −CH2CH3) almost similar physical chemical properties. Herein, multidentate chelating connection modes were successfully using a multicomponent "one-pot method" under guidance coordination method (MCC). They 11-nuclear molecular cluster (Dy11) metal–organic layer (2D-Dy). Specifically, when selected ligand an imidazole-2-carboxaldehyde derivative its substituent −CH3, layered 2D-Dy obtained. The linker [Dy(HL1)3] propeller configuration formed Dy(III) ion acylhydrazone (HL1) condensation three salicylhydrazides 1-methyl-1H-imidazole-2-carboxaldehyde. above linkers further linked alternately propeller-shaped [Dy(NO3)3] as secondary building unit (SBU) form 2D-Dy. In addition, changing −CH3 on −CH2CH3, we obtained example Dy11 epitaxial assembly ions hourglass-shaped Dy9 core, formula [Dy11(HL2)8(μ3–OH)8(μ4-O)2(CH3O)4(NO3)4](NO3)5 18CH3OH. was bombarded high-resolution electrospray ionization mass spectrometry (HRESI-MS) peaks various fragments captured. Based peaks, possible fragmentation mechanisms inferred be → Dy4(HL2)4 Dy3(HL2)2 Dy2(HL2)2 Dy(HL2)2 Dy(HL2)2/Dy2(HL2)2/Dy3(HL2)2/Dy4(HL2)4. This work one rare examples where leads formation dimensions, which promotes progress crystal engineering complexes.

Language: Английский

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