European Journal of Chemistry 2023, 14(3), 330-336 | doi: | Get rights and content

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Coumarin-hydrazone-based fluorescence sensor for Al(III) detection in aqueous solution: DFT calculation and DNA interaction studies

Sunshine Dominic Kurbah (1,*) orcid , Ndege Simisi Clovis (2) orcid

(1) Department of Chemistry, Pandit Deendayal Upadhyaya Adarsha Mahavidyalaya, Eraligool-788723, Karimganj, Assam, India
(2) Department of Chemistry, Faculty of Science and Technology, University of Kinshasa, Kinshasa, Democratic Republic of Congo
(*) Corresponding Author

Received: 08 Mar 2023 | Revised: 06 May 2023 | Accepted: 04 Jun 2023 | Published: 30 Sep 2023 | Issue Date: September 2023


A new 'turn on' fluorescence chemosensor derived from coumarin-based compounds was successfully synthesised. N'-(2-Oxo-2H-chromene-3-carbonyl)isonicotinohydrazide (H2L) was characterised by different spectroscopic techniques such as IR, UV-vis, and NMR spectroscopy. The electronic structures of H2L and Al@HL were calculated using the density functional theory method using Becke’s three parameter Lee-Yang-Parr (B3LYP) exchange functional with the 6-31G+(d,p) basis set. The detection limit of H2L for the Al (III) ion was found to be 2.6 µM, which is low enough to detect micromolar and is below the World Health Organisation guideline for drinking water.


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European Journal of Chemistry


DFT; Coumarin; Selectivity; Sensitivity; Aluminum ion; Fluorescence sensor

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DOI: 10.5155/eurjchem.14.3.330-336.2432

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North-Eastern Hill University, Shillong-793022, India.


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How to cite

Kurbah, S.; Clovis, N. Eur. J. Chem. 2023, 14(3), 330-336. doi:10.5155/eurjchem.14.3.330-336.2432
Kurbah, S.; Clovis, N. Coumarin-hydrazone-based fluorescence sensor for Al(III) detection in aqueous solution: DFT calculation and DNA interaction studies. Eur. J. Chem. 2023, 14(3), 330-336. doi:10.5155/eurjchem.14.3.330-336.2432
Kurbah, S., & Clovis, N. (2023). Coumarin-hydrazone-based fluorescence sensor for Al(III) detection in aqueous solution: DFT calculation and DNA interaction studies. European Journal of Chemistry, 14(3), 330-336. doi:10.5155/eurjchem.14.3.330-336.2432
Kurbah, Sunshine, & Ndege Simisi Clovis. "Coumarin-hydrazone-based fluorescence sensor for Al(III) detection in aqueous solution: DFT calculation and DNA interaction studies." European Journal of Chemistry [Online], 14.3 (2023): 330-336. Web. 10 Dec. 2023
Kurbah, Sunshine, AND Clovis, Ndege. "Coumarin-hydrazone-based fluorescence sensor for Al(III) detection in aqueous solution: DFT calculation and DNA interaction studies" European Journal of Chemistry [Online], Volume 14 Number 3 (30 September 2023)

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