First colorimetric sensor array for the identification of quaternary ammonium salts

Laurent A. Baumes; Mireia Buaki Sogo; Pedro Montes-Navajas; Avelino Corma; Hermenegildo Garcia

doi:10.1016/j.tetlet.2009.09.165

First colorimetric sensor array for the identification of quaternary ammonium salts

Laurent A. Baumes, Mireia Buaki Sogo, Pedro Montes-Navajas, Avelino Corma, Hermenegildo Garcia

Résultats de recherche: Contribution à un journal/une revue › Article › Revue par des pairs

Résumé

A colorimetric sensor array based on supramolecular host-guest complexes has been developed for the identification and quantification of quaternary ammonium salts (QAS). QAS are ubiquitous undesirable compounds for which the identification of the individual compounds is not trivial and needs instrumental techniques. The sensor array developed by us is constituted by host-guest complexes formed by the inclusion of tricyclic basic dyes such as proflavine, acridine orange, thionin, and methylene blue inside the hollow space defined by cucurbit[n]urils with n = 7 and 8. The operation of the sensor array has been demonstrated by differentiating 14 quaternary ammonium salts, some of them differing by a single carbon atom in the alkyl group. The detection limit concentration was 10^-5 M and the system can also be used to quantify the concentration of the quaternary ammonium ion.

langue originale	Anglais
Pages (de - à)	7001-7004
Nombre de pages	4
journal	Tetrahedron Letters
Volume	50
Numéro de publication	50
Les DOIs	https://doi.org/10.1016/j.tetlet.2009.09.165
Etat de la publication	Publié - 16 déc. 2009
Modification externe	Oui

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10.1016/j.tetlet.2009.09.165

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title = "First colorimetric sensor array for the identification of quaternary ammonium salts",

abstract = "A colorimetric sensor array based on supramolecular host-guest complexes has been developed for the identification and quantification of quaternary ammonium salts (QAS). QAS are ubiquitous undesirable compounds for which the identification of the individual compounds is not trivial and needs instrumental techniques. The sensor array developed by us is constituted by host-guest complexes formed by the inclusion of tricyclic basic dyes such as proflavine, acridine orange, thionin, and methylene blue inside the hollow space defined by cucurbit[n]urils with n = 7 and 8. The operation of the sensor array has been demonstrated by differentiating 14 quaternary ammonium salts, some of them differing by a single carbon atom in the alkyl group. The detection limit concentration was 10-5 M and the system can also be used to quantify the concentration of the quaternary ammonium ion.",

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AU - Corma, Avelino

AU - Garcia, Hermenegildo

PY - 2009/12/16

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First colorimetric sensor array for the identification of quaternary ammonium salts

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