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Minerals
Volume 14
Issue 7
10.3390/min14070649
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Communication

Synthesis of an Antipyrine-Based Fluorescent Probe with Synergistic Effects for the Selective Recognition of Zinc Ion

by
Yan Gao
1,2,
Dezheng Chang
1,2,
Yuyang Luo
3,
Haojie Yu
3,
Jinhui Li
3,* and
Kunming Liu
3,*
1
Henan Institute of Metallurgy Co., Ltd., Zhengzhou 450053, China
2
Henan Province Research Center of Metallurgical Waste Heat and Solid Waste Resource Utilization Engineering Technology, Zhengzhou 450053, China
3
School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China
*
Authors to whom correspondence should be addressed.
Minerals 2024, 14(7), 649; https://0-doi-org.brum.beds.ac.uk/10.3390/min14070649
Submission received: 10 May 2024 / Revised: 20 June 2024 / Accepted: 24 June 2024 / Published: 25 June 2024
(This article belongs to the Special Issue Recent Advances in Extractive Metallurgy)
Versions Notes

Abstract

A novel fluorescent probe containing an imine structure was synthesized through a condensation reaction based on the skeleton of antipyrine. Due to the synergistic effect of photoinduced electron transfer (PET), excited-state intramolecular proton transfer (ESIPT), and E/Z isomerization, the probe itself has weak fluorescence. When zinc ions are added to the ethanol solution of the probe, the formed complex inhibits PET, ESIPT, and E/Z isomerization while activating chelation-enhanced fluorescence (CHEF), resulting in fluorescent “turn-on” at 462 nm. Under optimal detection conditions, the probe can rapidly respond to zinc ions within 3 min, with a linear range of 60–220 μM and a lower limit of detection (LOD) of 0.63 μM. It can also specifically identify zinc ions in the presence of 13 common metal ions.
Keywords: antipyrine; fluorescent probe; metal ions; selective recognition; synergistic effect antipyrine; fluorescent probe; metal ions; selective recognition; synergistic effect

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MDPI and ACS Style

Gao, Y.; Chang, D.; Luo, Y.; Yu, H.; Li, J.; Liu, K. Synthesis of an Antipyrine-Based Fluorescent Probe with Synergistic Effects for the Selective Recognition of Zinc Ion. Minerals 2024, 14, 649. https://0-doi-org.brum.beds.ac.uk/10.3390/min14070649

AMA Style

Gao Y, Chang D, Luo Y, Yu H, Li J, Liu K. Synthesis of an Antipyrine-Based Fluorescent Probe with Synergistic Effects for the Selective Recognition of Zinc Ion. Minerals. 2024; 14(7):649. https://0-doi-org.brum.beds.ac.uk/10.3390/min14070649

Chicago/Turabian Style

Gao, Yan, Dezheng Chang, Yuyang Luo, Haojie Yu, Jinhui Li, and Kunming Liu. 2024. "Synthesis of an Antipyrine-Based Fluorescent Probe with Synergistic Effects for the Selective Recognition of Zinc Ion" Minerals 14, no. 7: 649. https://0-doi-org.brum.beds.ac.uk/10.3390/min14070649

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