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First-in-class hydrazone-pyrazoline sensors for selective detection of Zn2+, Cd2+ and Hg2+ in aqueous environments

27 March 2025, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Six first-in-class pyrazoline-hydrazone fluorescent sensors that distinguish Zn2+, Cd2+ and Hg2+ at three separate wavelengths in aqueous environments are reported. Lead sensor P1 was validated for the detection of the group 12 metals in river and pond water enabling rapid in situ environmental monitoring using a portable low-cost portable device. The results set a new benchmark for the pyrazoline sensor design.

Keywords

pyrazoline
Sensor
Group 12
fluorescent sensor

Supplementary materials

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Electronic Supplementary Information (ESI)
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Version History

Mar 27, 2025 Version 1

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The content is available under CC BY NC ND 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2025-vg724
D O I: 10.26434/chemrxiv-2025-vg724 [opens in a new tab]

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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