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A New Cationic Fluorescent Probe for HSO3− Based on Bisulfite Induced Aggregation Self-Assembly

Zhang, Xing; Su, Shao Yuan; Chen, Xuan Ting; Shen, Ling Yi; Zhang, Qi Long; Ni, Xin Long; Xu, Hong; Wang, Zhi Yong; Redshaw, Carl

Authors

Xing Zhang

Shao Yuan Su

Xuan Ting Chen

Ling Yi Shen

Qi Long Zhang

Xin Long Ni

Hong Xu

Zhi Yong Wang

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Professor Carl Redshaw C.Redshaw@hull.ac.uk
Professor of Inorganic Materials Chemistry and REF Lead for Chemistry



Abstract

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 HSO3−, 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.

Citation

Zhang, X., Su, S. Y., Chen, X. T., Shen, L. Y., Zhang, Q. L., Ni, X. L., …Redshaw, C. (2022). A New Cationic Fluorescent Probe for HSO3− Based on Bisulfite Induced Aggregation Self-Assembly. Molecules, 27(8), Article 2378. https://doi.org/10.3390/molecules27082378

Journal Article Type Article
Acceptance Date Apr 2, 2022
Online Publication Date Apr 7, 2022
Publication Date Apr 2, 2022
Deposit Date Apr 8, 2022
Publicly Available Date Apr 11, 2022
Journal Molecules
Electronic ISSN 1420-3049
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 27
Issue 8
Article Number 2378
DOI https://doi.org/10.3390/molecules27082378
Keywords Fluorescent probe; Aggregation self-assembly; HSO3− recognition
Public URL https://hull-repository.worktribe.com/output/3966091

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0

Copyright Statement
Copyright: © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).





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