abs

학술발표회초록보기

초록문의 abstract@kcsnet.or.kr

결제문의 member@kcsnet.or.kr

현재 가능한 작업은 아래와 같습니다.
  • 03월 02일 17시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제109회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Highly Sensitive and Selective Be2+ Colorimetric Sensor Based on 2-((5-mercapto-1,3,4-thiadiazol-2-yl)methyleneamino)phenol-functionalized Gold Nanoparticles

등록일
2012년 2월 16일 16시 04분 32초
접수번호
1143
발표코드
ANAL.P-602 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
4월 25일 (수요일) 18:00~21:00
발표형식
포스터
발표분야
분석화학
저자 및
공동저자
박세빈, 이은빈, 김관겸, 김동완, 김재상
경상대학교 화학과, Korea
We report herein the development of a highly sensitive and selective colorimetric detection method for Be2+ based on 2-((5-mercapto-1,3,4-thiadiazol-2-yl)methyleneamino)phenol (I)-functionalized gold nanoparticles (II) which were characterized by IR, UV-vis spectroscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). In the presence of Be2+, receptor (I) could rapidly induce the aggregation of gold nanoparticles, thereby resulting on olive-to-lightsteelblue color change. The concentration of Be2+ can be determined by monitoring with naked eye or a UV-vis spectrometer. This method exhibits excellent selectivity for Be2+ over other alkali, alkaline earth metals. The assay is simple, inexpensive, and highly sensitive. Also, seed-mediated growth of gold nanoparticles on glassy carbon (GC) surfaces was developed. The as-prepared GNP/GCE was modified by I. The modified electrode (I/GNP/GCE) was then used as a voltammetric sensor in detecting the Be2+.

상단으로