Probe for rapidly detecting fluorine ions in water based on aggregation induction technology

CN120794872APending Publication Date: 2025-10-17INNER MONGOLIA NORMAL UNIVERSITY
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Patent Information

Application Number
CN202510929229.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-07
Publication Date
2025-10-17

AI Technical Summary

Technical Problem

Existing fluorescence sensors have poor selectivity and slow response when detecting fluoride ions in water. They are also complex to operate and require professional skills and expensive instruments.

Method used

A TPE-Ph fluorescent fluoride ion probe based on aggregation-induced technology was designed. The TPE-Ph molecule was synthesized through a synthetic route, and its high selectivity and rapid response to fluoride ions in an environment where multiple anions coexisted were utilized to achieve rapid detection.

Benefits of technology

It achieves specific recognition and response to fluoride ions in an environment where multiple anions coexist, reduces the risk of false alarms and missed alarms, has high sensitivity and a good dose-effect relationship, is suitable for naked eye detection by non-professionals, and lowers the technical threshold.

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Abstract

The invention relates to the technical field of fluorine ion detection, in particular to a probe for rapidly detecting fluorine ions in water based on an aggregation induction technology, and the probe comprises a TPE-Ph fluorescent fluorine ion probe. The detector is used for detecting fluorine ions in water; in the environment with coexistence of multiple anions, the fluorine ions can be specifically recognized and responded, the high selectivity ensures the accuracy and reliability of the detection result, the fluorescence intensity of the filter paper is gradually enhanced along with the increase of the concentration of the fluorine ions, good sensitivity is shown, and in addition, under ultraviolet irradiation, the fluorescence intensity of the filter paper is greatly improved. Blue fluorescence emitted by TPE-Ph filter paper is clear and visible, the existence of fluorine ions and the approximate concentration range of the fluorine ions can be visually judged without complex data processing, and the fluorescent fluorine ion probe TPE-Ph with the aggregation-induced emission effect is designed and synthesized on the basis of tetraphenyl ethylene molecules. A series of characterizations prove that TPE-Ph has the advantages of excellent selectivity, high sensitivity, quick response and the like, and meanwhile, naked eye detection of fluorine ions can be realized.
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