Issue 5, 2015

A recyclable, fluorescent, and colorimetric sensor for fluoride anion in water using a crosslinked polymer functionalized with hydroxyl quinolinium

Abstract

This study aimed to develop a recyclable, fluorescent, and colorimetric sensor for fluoride anion (F) in aqueous media with fast response, good selectivity, and high sensitivity. A crosslinked polymer CpA1T5 was designed and synthesized as a sensor using (E)-1-allyl-4-((4-hydroxylphenyl)vinyl) quinolinium bromide as functional monomer, trimethylolpropane trimethacrylate as crosslinker, and azobisisobutyronitrile as initiator. When F was introduced to the CpA1T5 suspension in deionized water, a change in color from gray to yellow and fluorescence enhancement accompanied with a redshift from 531 nm to 540 nm of fluorescence emission were immediately observed. This F sensor can be recycled many times, making it cost efficient and beneficial to the environment. Analytical application of CpA1T5 to measure F concentration in two commercial mouthwash samples was explored with good accuracy.

Graphical abstract: A recyclable, fluorescent, and colorimetric sensor for fluoride anion in water using a crosslinked polymer functionalized with hydroxyl quinolinium

Supplementary files

Article information

Article type
Paper
Submitted
28 Oct 2014
Accepted
04 Dec 2014
First published
04 Dec 2014

RSC Adv., 2015,5, 3888-3893

Author version available

A recyclable, fluorescent, and colorimetric sensor for fluoride anion in water using a crosslinked polymer functionalized with hydroxyl quinolinium

Q. Tang, H. Nie, C. Gong, H. Liu and K. Xiao, RSC Adv., 2015, 5, 3888 DOI: 10.1039/C4RA13277G

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