An Aza-12-crown-4 Ether-Substituted Naphthalene Diimide Chemosensor for the Detection of Lithium Ion

Hangarge, R, La, D, Boguslavsky, M, Jones, L, Kim, Y and Bhosale, S 2017, 'An Aza-12-crown-4 Ether-Substituted Naphthalene Diimide Chemosensor for the Detection of Lithium Ion', ChemistrySelect, vol. 2, no. 35, pp. 11487-11491.


Document type: Journal Article
Collection: Journal Articles

Title An Aza-12-crown-4 Ether-Substituted Naphthalene Diimide Chemosensor for the Detection of Lithium Ion
Author(s) Hangarge, R
La, D
Boguslavsky, M
Jones, L
Kim, Y
Bhosale, S
Year 2017
Journal name ChemistrySelect
Volume number 2
Issue number 35
Start page 11487
End page 11491
Total pages 5
Publisher Wiley-Blackwell
Abstract We synthesised aza-12-crown-4 ether-substituted naphthalene diimide (NDI-12-C-4) and demonstrated its properties as an fluorescent and colorimetric sensor. The NDI-12-C-4 uses the aza-12-crown-4 moiety to bind Li+ ion selectively over larger monovalent cation such as Cs+, Na+ and K+. The sensor is chemically stable due to the crown-ether, and the appended NDI fluorophore allows leads to optical changes exclusively for the monovalent Li+ ion. UVvis absorption, fluorescence, cyclic voltammetry (CV), 1H NMR and naked eye-detection clearly demonstrate selective, sensitive binding of Li+ ion with a detection limit of 5.0 ?M. Importantly, reversible binding of Li+ by NDI-12-C-4 was also observed upon addition of EDTA, after which the sensor could be recovered via simple centrifugation, indicating suitability for use in a biological sensor device. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
Subject Macromolecular and Materials Chemistry not elsewhere classified
Keyword(s) aza-12-crown-4
Li sensing
naphthalene diimide
optical and electrochemical probe
selective for monovalent cation
DOI - identifier 10.1002/slct.201702085
Copyright notice © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN 2365-6549
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