Donor–Acceptor Type Solvatochromic Flavonoid Materials Fluorphores for Polarity Sensing and Real‐Time Temperature Monitoring DOI Open Access
Anqi Liu, Qipeng Zhang, Lei Pan

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 13, 2024

Abstract Electron donor–acceptor (D–A) molecules are emerging tools for designing sensitive luminogens, attracting significant research attention. However, due to poor quantum yields under certain conditions, current D–A fluorophores often suffer from fluorescence quenching in practical applications. Developing new dyes and functional composites is crucial expanding their Here, a novel type flavonoid dye molecule, namely “AFL”, exhibiting both polarity‐dependent emission wavelength shift viscosity‐dependent intensity change, polarity measurement temperature sensing designed synthesized. Because the intramolecular charge transfer (ICT) can be enhanced by decrease of excited state energy caused high‐polarity organic solvents, AFL undergoes that shows color response solvents different polarities hence differentiates between them. Moreover, actual monitored as‐designed AFL@tetradecanoic acid (AFL@TA) sensor. By combining with TA, viscosity sensitively changes upon change insoluble composites, thus realizing temperature. Remarkable recyclable performance satisfactory mechanical properties integrated. This study provides promising approach developing fluorescent probe furnishes perspectives on potential such material stimuli‐responsive systems focus visualization technology.

Language: Английский

Highly Selective Pyrene-Anchored Halloysite Nanotube for Fluorometric Determination of 2,4,6-Trinitrophenol in Environmental and Food Samples DOI Creative Commons
Vildan Şanko, İpek Ömeroğlu, Ahmet Şenocak

et al.

ACS Omega, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 18, 2025

2,4,6-Trinitrophenol (TNP) is explosive, toxic, ecological, and a human health hazard resistant to degradation. It can cause symptoms such as headache, loss of appetite, dizziness, fever, nausea, diarrhea, vomiting when inhaled. In this study, we aimed develop new halloysite nanotube anchored with pyrene moieties (HNT@Py) for the sensitive determination TNP in soil, wastewater, food samples using fully aqueous media. The HNT@Py was characterized structurally, morphologically, thermally by FTIR, UV-vis, XRD, TGA, fluorescence, SEM, TEM analyses. detection conditions assay were investigated optimized, including competitive species, incubation time, sensor concentration, photostability, selectivity. limit (LOD) quantification (LOQ) found be 14.00 nmol L-1 42.00 linear response 0.04 μmol 0.60 (R 2 = 0.9962), respectively. Validation current method performed spike/recovery test HPLC analyses, it subsequently utilized successfully detect fluorescence food, water samples. According obtained results, suggested dependent on "turn-off" emission PET mechanism between electron-deficient NACs electron-rich moieties. easy use, extremely sensitive, reliable rapidly identifying real samples, displaying excellent flexibility resilience. Additionally, membranes regular morphology electrospinning nanostructures dispersed PCL matrix, RGB changes determined via smartphone application.

Language: Английский

Citations

0
Hydrazone-Linked Nanoporous Covalent Organic Framework for the Selective Detection and Efficient Removal of Chromium(III) DOI
Xiaoping Tan,

Fulan Zhang,

Jinrui Tang

et al.

ACS Applied Nano Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 7, 2025

Language: Английский

Citations

0
Carboxymethyl Cellulose/Polyvinyl Alcohol/Covalent Organic Framework Composite Hydrogel Beads for the Removal of Heavy Metal Ions from Aqueous Solutions DOI

Hongxia Sun,

Yujie Zhang, Zhenhua Wu

et al.

Materials Today Communications, Journal Year: 2025, Volume and Issue: unknown, P. 112648 - 112648

Published: April 1, 2025

Language: Английский

Citations

0
Donor–Acceptor Type Solvatochromic Flavonoid Materials Fluorphores for Polarity Sensing and Real‐Time Temperature Monitoring DOI Open Access
Anqi Liu, Qipeng Zhang, Lei Pan

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 13, 2024

Abstract Electron donor–acceptor (D–A) molecules are emerging tools for designing sensitive luminogens, attracting significant research attention. However, due to poor quantum yields under certain conditions, current D–A fluorophores often suffer from fluorescence quenching in practical applications. Developing new dyes and functional composites is crucial expanding their Here, a novel type flavonoid dye molecule, namely “AFL”, exhibiting both polarity‐dependent emission wavelength shift viscosity‐dependent intensity change, polarity measurement temperature sensing designed synthesized. Because the intramolecular charge transfer (ICT) can be enhanced by decrease of excited state energy caused high‐polarity organic solvents, AFL undergoes that shows color response solvents different polarities hence differentiates between them. Moreover, actual monitored as‐designed AFL@tetradecanoic acid (AFL@TA) sensor. By combining with TA, viscosity sensitively changes upon change insoluble composites, thus realizing temperature. Remarkable recyclable performance satisfactory mechanical properties integrated. This study provides promising approach developing fluorescent probe furnishes perspectives on potential such material stimuli‐responsive systems focus visualization technology.

Language: Английский

Citations

2