Detection of trace Hg(2+) via induced circular dichroism of DNA wrapped around single-walled carbon nanotubes

	Detection of trace Hg(2+) via induced circular dichroism of DNA wrapped around single-walled carbon nanotubes
	Gao XY(高学云); Xing GM(邢更妹); Liu R(刘茹); Jing L(荆隆); Zhao F(赵峰); Ye C(叶昶); Yuan H(袁慧); Zhao YL(赵宇亮); Gao, XY; Xing, GM
刊名	JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
	2008
卷号	130 期号:29 页码:9190-+
通讯作者	[Gao, Xueyun ; Xing, Gengmei ; Liu, Ru ; Jing, Long ; Zhao, Feng ; Ye, Chang ; Yuan, Hui ; Zhao, Yuliang] Inst High Energy Phys, Lab Bioenvironm Effects Nanomat & Nanosafety, Beijing 100049, Peoples R China ; [Yang, Yanlian ; Chu, Weiguo ; Wang, Chen ; Zhao, Yuliang] Natl Ctr Nanosci & Technol, Beijing 100080, Peoples R China ; [Shi, Xiaoli ; Fang, Xiaohong] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Key Lab Mol Nanostruct & Nanotechnol, Beijing 100080, Peoples R China
英文摘要	The strongly induced circular dichroism (ICD) signals of DNA wrapped around single-walled carbon nanotubes I are shown by the Synchrotron Radiation Facility. In solution, trace amounts of Hg ions have a strong affinity to bind the nucleic bases of DNA-SWCNTs via a pseudo-first-order kinetic reaction. The Hg binding to the bases of DNA results in partial DNA disassociation from the SWCNTs. Such disassociation of DNA from the SWCNTs will decrease the coupling effects of the transition dipole moments between DNA and SWCNTs, thus inducing the ICD signal of DNA-SWCNTs to decrease significantly. Herein, the ICD of DNA-SWCNTs is applied to detect the concentration of Hg ions at.
学科主题	Chemistry
类目[WOS]	Chemistry, Multidisciplinary
研究领域[WOS]	Chemistry
原文出处	SCI
语种	英语
WOS记录号	WOS:000257796500006
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/240158]
专题	高能物理研究所_多学科研究中心高能物理研究所_东莞分部
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Gao XY,Xing GM,Liu R,et al. Detection of trace Hg(2+) via induced circular dichroism of DNA wrapped around single-walled carbon nanotubes[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2008,130(29):9190-+.
APA	高学云.,邢更妹.,刘茹.,荆隆.,赵峰.,...&Zhao, YL.(2008).Detection of trace Hg(2+) via induced circular dichroism of DNA wrapped around single-walled carbon nanotubes.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,130(29),9190-+.
MLA	高学云,et al."Detection of trace Hg(2+) via induced circular dichroism of DNA wrapped around single-walled carbon nanotubes".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 130.29(2008):9190-+.