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Published on: September 2, 2019
Data on a real-time tripodal colorimetric/fluorescence sensor for multiple target metal ions
Rosita Diana1, Ugo Caruso1, Simona Concilio2
1Department of Chemical Sciences, University of Napoli Federico II, via Cintia, 80126 Napoli, Italy.
A novel colorimetric receptor, BPAP, selectively detects iron (Fe(III)/Fe(II)) with visible color changes and identifies zinc (Zn2+) and cadmium (Cd2+) ions using fluorescence. This single sensor offers a versatile tool for metal ion detection.
Area of Science:
- Analytical Chemistry
- Environmental Science
- Biochemistry
Background:
- Research focuses on chemosensors for detecting biologically important metals (zinc, iron) and toxic metals (cadmium, mercury, lead).
- A growing strategy involves developing single chemosensors capable of detecting multiple metal ions.
- Fluorescent sensors for Cd(II) and Zn(II) have been synthesized using ligand systems and polymeric matrices.
Purpose of the Study:
- To present experimental data on a pyridyl/phenolic/benzothiazole functionalized colorimetric receptor (BPAP).
- To demonstrate the selective recognition of Fe(III) and Fe(II) ions by BPAP.
- To highlight the fluorometric selectivity of BPAP towards Zn2+ and Cd2+ ions.
Main Methods:
- Synthesis and characterization of the BPAP receptor.
- Colorimetric analysis for Fe(III) and Fe(II) detection in aqueous medium.
- Fluorometric analysis for Zn2+ and Cd2+ detection in aqueous medium.
Main Results:
- BPAP exhibits selective colorimetric recognition of Fe(III) and Fe(II) ions, observable by the naked eye.
- BPAP demonstrates fluorometric selectivity towards Zn2+ and Cd2+ ions in aqueous solutions.
- The receptor functions as a single chemosensor for multiple metal ion detection.
Conclusions:
- BPAP is an effective colorimetric and fluorometric sensor for multiple metal ions.
- The developed sensor offers a practical approach for detecting iron, zinc, and cadmium ions.
- This work contributes to the advancement of single chemosensor strategies for diverse metal ion analysis.
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