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  • 02월 28일 17시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제123회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Multi-element analysis of deciduous teeth by inductively coupled plasma mass spectrometry (ICP MS)

등록일
2019년 2월 12일 15시 12분 53초
접수번호
5014
발표코드
ANAL1.O-27 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
목 10시 : 44분
발표형식
구두발표
발표분야
Analytical Chemistry - Oral Presentation of Young Analytical Chemists I
저자 및
공동저자
Youngjoo Kal, Sangwon Cha1,*
Hankuk University of Foreign Studies, Korea
1Department of Chemistry, Hankuk University of Foreign Studies, Korea
Deciduous teeth have a unique characteristic that exposure chemicals accumulated at the prenatal period and at the postnatal period are spatially separated by the neonatal line in their microstructures. Because of this feature, deciduous teeth have been regarded as retrospective temporal biomarkers. In addition, deciduous teeth can provide direct signatures of fetal period exposures whereas other frequently-used biomarkers such as maternal blood, maternal urine, and cord blood can only give indirect ones. In the previous studies, we tried to develop a quantitative elemental analysis method for deciduous teeth by employing a microwave-assisted sample preparation method and inductively coupled plasma dynamic reaction cell mass spectrometry (ICP DRC MS). In this study, we validated a developed method with the bone meal standard reference material and applied a validated method to individual deciduous tooth samples. As a result, concentrations of over ten elements were successfully determined from five individual tooth samples and compared.

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