Highly sensitive detection of cobalt through fluorescence changes in β-cyclodextrin-bimane complexes

Apurba Pramanik; Sara Amer; Flavio Grynszpan; Mindy Levine

doi:10.1039/d0cc05812b

Highly sensitive detection of cobalt through fluorescence changes in β-cyclodextrin-bimane complexes

Apurba Pramanik, Sara Amer, Flavio Grynszpan, Mindy Levine

Department of Chemical Sciences

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

A supramolecular complex ofsyn-(methyl,methyl)bimane (1) and β-cyclodextrin demonstrates a sensitive (limit of detection = 0.60 nM) and selective fluorescence turn-off response in the presence of cobalt in aqueous media, with calibration curves enabling quantitation in solution and using filter papers on which bimane and cyclodextrin were adsorbed.¹H NMR spectroscopy provides insight into interactions underlying the sensor performance.

Original language	English
Pages (from-to)	12126-12129
Number of pages	4
Journal	Chemical Communications
Volume	56
Issue number	81
DOIs	https://doi.org/10.1039/d0cc05812b
State	Published - 18 Oct 2020

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abstract = "A supramolecular complex ofsyn-(methyl,methyl)bimane (1) and β-cyclodextrin demonstrates a sensitive (limit of detection = 0.60 nM) and selective fluorescence turn-off response in the presence of cobalt in aqueous media, with calibration curves enabling quantitation in solution and using filter papers on which bimane and cyclodextrin were adsorbed.1H NMR spectroscopy provides insight into interactions underlying the sensor performance.",

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AU - Amer, Sara

AU - Grynszpan, Flavio

AU - Levine, Mindy

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N2 - A supramolecular complex ofsyn-(methyl,methyl)bimane (1) and β-cyclodextrin demonstrates a sensitive (limit of detection = 0.60 nM) and selective fluorescence turn-off response in the presence of cobalt in aqueous media, with calibration curves enabling quantitation in solution and using filter papers on which bimane and cyclodextrin were adsorbed.1H NMR spectroscopy provides insight into interactions underlying the sensor performance.

AB - A supramolecular complex ofsyn-(methyl,methyl)bimane (1) and β-cyclodextrin demonstrates a sensitive (limit of detection = 0.60 nM) and selective fluorescence turn-off response in the presence of cobalt in aqueous media, with calibration curves enabling quantitation in solution and using filter papers on which bimane and cyclodextrin were adsorbed.1H NMR spectroscopy provides insight into interactions underlying the sensor performance.

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Highly sensitive detection of cobalt through fluorescence changes in β-cyclodextrin-bimane complexes

Abstract

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