A novel isophorone-based fluorescent probe for recognizing Al3+ and its bioimaging in plants

Yanna Zhao; Yuqi Wang; Yingying Zhang; Xiaowei Bai; Wentong Hou; Yuqing Huang

doi:10.1039/D4AY00023D

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A novel isophorone-based fluorescent probe for recognizing Al³⁺ and its bioimaging in plants†

Yanna Zhao,

*^a Yuqi Wang,^a Yingying Zhang,^a Xiaowei Bai,^a Wentong Hou^a and Yuqing Huang^a

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* Corresponding authors

^a Department of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
E-mail: zhaoyn@sust.edu.cn

Abstract

Aluminium ions (Al³⁺) are widely present in industries and daily life and are closely related to human health and environmental protection. Therefore, it is crucial to detect their concentration. In this paper, a convenient and reliable small molecule fluorescent probe based on a dicyanoisophorone Schiff base and 2-pyridinecarbohydrazide has been developed. The probe is capable of selectively detecting Al³⁺ with the advantages of near-infrared emission (maximum emission wavelength of 625 nm), good selectivity, high sensitivity (detection limit of 2.18 × 10⁻⁷ M) and fast response time (15 s). It has good potential for rapid detection and visual tracking of Al³⁺ in aqueous solutions and plant bodies.

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Article information

DOI: https://doi.org/10.1039/D4AY00023D
Article type: Paper
Submitted: 05 Jan 2024
Accepted: 11 Mar 2024
First published: 22 Mar 2024

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Anal. Methods, 2024,16, 2120-2126

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A novel isophorone-based fluorescent probe for recognizing Al³⁺ and its bioimaging in plants

Y. Zhao, Y. Wang, Y. Zhang, X. Bai, W. Hou and Y. Huang, Anal. Methods, 2024, 16, 2120 DOI: 10.1039/D4AY00023D

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Analytical Methods