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제112회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Analysis of artificial sweeteners by CE with LED-induced in multiple capillary molecular imprinted polymer/solid phase extraction

등록일
2013년 8월 29일 17시 03분 03초
접수번호
1209
발표코드
ANAL.P-525 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 16일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
분석화학
저자 및
공동저자
안지용, 강지훈, AVVARU PRAVEEN KUMAR, 이용일*
창원대학교 화학과, Korea
A novel capillary electrophoresis (CE) and monolithic molecular imprinted pol-ymer (MIP) based in-column and open-tube molecularly imprinted solid phase extraction (MISPE) concentrator method was developed for selective and sensi-tive determination of sweeteners by using light emitting diode (LED) induced polymerization system. With multiple capillaries that coated a short layer of MIP material (about 3 mm long) under irradiation of LED is connected to end of separation column. Compared with MISPE fiber that takes center stage in sepa-ration chemistry, the MISPE concentrator provides better selectivity extraction without significant loss of separation efficiency. In this work, LED-induced in multiple capillaries MISPE was used for extraction of artificial sweeteners that sucralose and aspartame is typical artificial from food samples. The majority of ingested sweeteners had not broken down by the body therefore it is non-caloric. Further, the artificial sweetener are approximately hundreds times as sweet as sucrose. The in-column MISPE-CE system is also suitable for on-line renewing or fabrication MISPE concentrator conveniently. The in-multiple capillaries MISPE gives high affinity, selectivity, analysis to various samples at one swoop and high recoveries to MISPE-CE analysis.

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