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| Type |
Poster Presentation |
| Area |
Analytical Chemistry |
| Room No. |
Event Hall |
| Time |
4월 19일 (목요일) 11:00~12:30 |
| Code |
ANAL.P-266 |
| Subject |
Highly selective detection of picric acid using QDs nanoparticles coated with amphiphilic copolymer |
| Authors |
Salah Mahmoud Tawfik Ahmed, YONG-ILL LEE*
Department of Chemistry, Changwon National University, Korea
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| Abstract |
A novel fluorescent sensor was developed via in-situ polymerization strategy for highly selective and sensitive sensing of picric acid. This sensor was synthesized by in situ polymerization of amphiphilic thiophene monomers on the surface of QDs to obtain highly fluorescent sensor. The emission of the sensor is found to be quenched in the presence of picric acid by electron transfer mechanism through electrostatic and hydrogen bonding interactions and showed excellent selectivity for picric acid over its analogues. The developed sensor shows an excellent analytical performance with good linearity and low LODs. Furthermore, the sensors were successfully applied to determine picric acid in tap and river water samples with good recoveries. We developed a simple, rapid and non-toxic method which provides its potential application for highly selective and sensitive fluorescent determination of trace picric acid in environmental water samples.
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| E-mail |
salahtwfk85@yahoo.com |
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121st General Meeting of the KCS