Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5790
Title: Visual detection of Al3+ ions using conjugated copolymer-ATP supramolecular complex
Authors: Tu, Meng-Che
Rajwar, Deepa
Ammanath, Gopal
Alagappan, Palaniappan
Yıldız, Ümit Hakan
Liedberg, Bo
Keywords: Aluminum ion sensors
Naked eye detection
Conjugated polymers
Supramolecular chemistry
Issue Date: Mar-2016
Publisher: Elsevier Ltd.
Source: Tu, M.-C., Rajwar, D., Ammanath, G., Alagappan, P., Yıldız, Ü. H., and Liedberg, B. (2016). Visual detection of Al3+ ions using conjugated copolymer-ATP supramolecular complex. Analytica Chimica Acta, 912, 105-110. doi:10.1016/j.aca.2015.12.002
Abstract: A colorimetric Al3+ sensor based on fluorescence recovery of a conjugated copolymer-ATP complex is proposed. An optimized ratio of two polythiophene (PT) monomers is utilized to synthesize copolymer (CP) that yielded maximized colorimetric response for Al3+ in deionized (DI) and tap water. The electrostatic disassembly of CP-ATP upon addition of Al3+ led to an evident visual color change. The lowest concentration of Al3+ for naked eye observation is around 4 μM, which is below the threshold levels in drinking water according to European Economic Community (EEC) standard. Besides, the proposed assay showed a similar response to Al3+ in tap water. The proposed methodology showed selective and sensitive detection for Al3+ in analytically relevant concentration ranges without involving sophisticated instrumentation, illustrating the applicability for on-site drinking water monitoring.
URI: http://doi.org/10.1016/j.aca.2015.12.002
http://hdl.handle.net/11147/5790
ISSN: 0003-2670
1873-4324
Appears in Collections:Chemistry / Kimya
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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