A New Cationic Fluorescent Probe for HSO<sub>3</sub><sup>−</sup> Based on Bisulfite Induced Aggregation Self-Assembly

In comparison with the numerous studies that have centered on developing molecular frameworks for the functionalization of fluorescent materials, less research has addressed the influence of the side chains, despite such appendages contributing significantly to the properties and applications of flu...

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Main Authors: Xing Zhang, Shao-Yuan Su, Xuan-Ting Chen, Ling-Yi Shen, Qi-Long Zhang, Xin-Long Ni, Hong Xu, Zhi-Yong Wang, Carl Redshaw
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/27/8/2378
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author Xing Zhang
Shao-Yuan Su
Xuan-Ting Chen
Ling-Yi Shen
Qi-Long Zhang
Xin-Long Ni
Hong Xu
Zhi-Yong Wang
Carl Redshaw
author_facet Xing Zhang
Shao-Yuan Su
Xuan-Ting Chen
Ling-Yi Shen
Qi-Long Zhang
Xin-Long Ni
Hong Xu
Zhi-Yong Wang
Carl Redshaw
author_sort Xing Zhang
collection DOAJ
description In comparison with the numerous studies that have centered on developing molecular frameworks for the functionalization of fluorescent materials, less research has addressed the influence of the side chains, despite such appendages contributing significantly to the properties and applications of fluorescent materials. In this work, a new series of cationic fluorescent probes with AIE characteristics have been developed, which exhibit unique sensitivity for charge-diffusion anions, namely HSO<sub>3</sub><sup>−</sup>, via the interactions of ions and the cooperation of the controllable hydrophobicity. The impact of the alkyl chain length attached at the cationic probes suggested that the fluorescent intensity and sensitivity of the probes could be partially enhanced by adjusting their aggregation tendency through the action of the hydrophobic effect under aqueous conditions. DLS and SEM images indicated that different particle sizes and new morphologies of the probes were formed in the anion-recognition-triggered self-assembly process, which could be attributed to the composite effect of electrostatic actions, Van der Waals forces and π-π stacking.
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spelling doaj.art-932ab863c1e34d499fd1496a4154718f2023-11-30T21:37:03ZengMDPI AGMolecules1420-30492022-04-01278237810.3390/molecules27082378A New Cationic Fluorescent Probe for HSO<sub>3</sub><sup>−</sup> Based on Bisulfite Induced Aggregation Self-AssemblyXing Zhang0Shao-Yuan Su1Xuan-Ting Chen2Ling-Yi Shen3Qi-Long Zhang4Xin-Long Ni5Hong Xu6Zhi-Yong Wang7Carl Redshaw8The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 550004, ChinaKey Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, ChinaThe Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 550004, ChinaThe Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 550004, ChinaThe Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 550004, ChinaKey Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, ChinaThe Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 550004, ChinaThe Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 550004, ChinaDepartment of Chemistry, University of Hull, Cottingham Road, Hull HU6 7RX, UKIn comparison with the numerous studies that have centered on developing molecular frameworks for the functionalization of fluorescent materials, less research has addressed the influence of the side chains, despite such appendages contributing significantly to the properties and applications of fluorescent materials. In this work, a new series of cationic fluorescent probes with AIE characteristics have been developed, which exhibit unique sensitivity for charge-diffusion anions, namely HSO<sub>3</sub><sup>−</sup>, via the interactions of ions and the cooperation of the controllable hydrophobicity. The impact of the alkyl chain length attached at the cationic probes suggested that the fluorescent intensity and sensitivity of the probes could be partially enhanced by adjusting their aggregation tendency through the action of the hydrophobic effect under aqueous conditions. DLS and SEM images indicated that different particle sizes and new morphologies of the probes were formed in the anion-recognition-triggered self-assembly process, which could be attributed to the composite effect of electrostatic actions, Van der Waals forces and π-π stacking.https://www.mdpi.com/1420-3049/27/8/2378fluorescent probeaggregation self-assemblyHSO<sub>3</sub><sup>−</sup> recognition
spellingShingle Xing Zhang
Shao-Yuan Su
Xuan-Ting Chen
Ling-Yi Shen
Qi-Long Zhang
Xin-Long Ni
Hong Xu
Zhi-Yong Wang
Carl Redshaw
A New Cationic Fluorescent Probe for HSO<sub>3</sub><sup>−</sup> Based on Bisulfite Induced Aggregation Self-Assembly
Molecules
fluorescent probe
aggregation self-assembly
HSO<sub>3</sub><sup>−</sup> recognition
title A New Cationic Fluorescent Probe for HSO<sub>3</sub><sup>−</sup> Based on Bisulfite Induced Aggregation Self-Assembly
title_full A New Cationic Fluorescent Probe for HSO<sub>3</sub><sup>−</sup> Based on Bisulfite Induced Aggregation Self-Assembly
title_fullStr A New Cationic Fluorescent Probe for HSO<sub>3</sub><sup>−</sup> Based on Bisulfite Induced Aggregation Self-Assembly
title_full_unstemmed A New Cationic Fluorescent Probe for HSO<sub>3</sub><sup>−</sup> Based on Bisulfite Induced Aggregation Self-Assembly
title_short A New Cationic Fluorescent Probe for HSO<sub>3</sub><sup>−</sup> Based on Bisulfite Induced Aggregation Self-Assembly
title_sort new cationic fluorescent probe for hso sub 3 sub sup sup based on bisulfite induced aggregation self assembly
topic fluorescent probe
aggregation self-assembly
HSO<sub>3</sub><sup>−</sup> recognition
url https://www.mdpi.com/1420-3049/27/8/2378
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