NDLI: On–off–on fluorescent oligomer as a chemosensor for the detection of manganese(vii), sulfur(ii) and aldehydes based on the inner filter effect

Content Provider	Royal Society of Chemistry (RSC)
Author	Zhao, Lingli Ding, Peng Xie, Zengchun Xin, Xia Zhang, Qinghong Xu, Guiying Jiao, Jianmei
Copyright Year	2017
Abstract	In this article, a sensitive and selective on–off–on fluorescence chemosensor, Tyloxapol (one kind of water soluble oligomer), was developed for the label-free detection of MnO4− ions in aqueous solution. From fluorescence experiments, it is demonstrated that Tyloxapol is a sensitive and selective fluorescence sensor for the detection of MnO4− directly in water over a wide range of anions including Cl−, Br−, I−, NO3−, H2PO4−, HCO3−, OH−, ClO4−, Ac−, SO42−, HPO42−, CO32−, C2O42−, S2−, SO32−, and Cr2O72−. Moreover, the fluorescence intensity of Tyloxapol has shown a linear response to MnO4− in the concentration range of 0 to 120 μmol L−1 with a detection limit of 0.392 μmol L−1 MnO4−. The interaction mechanism demonstrated that our on–off fluorescent oligomer probe for detecting Mn(VII) is based on the inner filter effect (IFE) because the absorption bands of Mn(VII) are fully covered by the excitation bands of Tyloxapol. Next, another turn-on sensing application of the Tyloxapol/MnO4− platform to probe S2− against various other anions and aldehydes against various other organic pollutants were also established. It is expected that our strategy may offer a new approach for developing a simple, cost-effective, rapid and sensitive sensor for the detection of anions and aldehydes in environmental applications.
Starting Page	3051
Ending Page	3058
Page Count	8
File Format	HTM / HTML PDF
ISSN	20462069
Volume Number	7
Issue Number	6
Journal	RSC Advances
DOI	10.1039/c6ra25583c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Fluorescence IFE Tyloxapol Oligomer Chemoreceptor
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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