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  • 02월 19일 10시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제121회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Highly selective detection of picric acid using QDs nanoparticles coated with amphiphilic copolymer

등록일
2018년 2월 7일 14시 59분 08초
접수번호
6608
발표코드
ANAL2.O-6 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
금 09시 : 31분
발표형식
구두발표
발표분야
Analytical Chemistry - Oral Presentation of Young Analytical Chemists II
저자 및
공동저자
Salah Mahmoud Tawfik Ahmed, YONG-ILL LEE*
Department of Chemistry, Changwon National University, Korea
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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