Efficient Turn-On Fluorescent Sensor Based on Fluorescent Resonance Energy Transfer between 1,3,6,8-Tetra(4-pyridyl)pyrene and Gold Nanoparticles for Glutathione Detection.

Shicong Liu, Yuanyuan Zhang, Dan Jia, Junqiu Liu, Chunxi Hou

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Article in ACS omega, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Shicong LiuState Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China.

Yuanyuan ZhangState Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China.

Dan JiaState Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China.

Junqiu LiuState Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China.ORCID https://orcid.org/0000-0003-1608-7908

Chunxi HouState Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China.ORCID https://orcid.org/0000-0001-6112-5905

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A fluorescent probe based on fluorescent resonance energy transfer (FRET) between the organic fluorophore 1,3,6,8-tetra-(4-pyridyl) pyrene (TTPY) and gold nanoparticles (AuNPs) was designed for detecting glutathione (GSH) in foods. TTPY, synthesized via a Suzuki-Miyaura coupling reaction, exhibited excellent fluorescence properties with a maximum emission wavelength of 496 nm. Acting as an energy donor, TTPY transfers energy to AuNPs via FRET, resulting in fluorescence quenching of TTPY. In the presence of GSH, TTPY was displaced from the AuNP surface, restoring the fluorescence of the TTPY chromophore. The developed sensor demonstrated excellent water solubility and selectivity and a low detection limit (54 nM). Moreover, the proposed method was successfully applied for the determination of GSH in food samples, demonstrating its potential for food antioxidant analysis.

Identifiers

PMID41179127

DOI10.1021/acsomega.5c05251

PMCPMC12573021

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