ICCAS OpenIR
Thymine-Protected Gold Nanoparticles: Assembly and Disassembly of Gold Nanoparticles in the Presence of Hg2+
Liu, Lei1,2; Zhang, De-Qing1; Zheng, Xiao-Ping1,2; Wang, Zhuo1,2; Zhu, Dao-Ben1
2009-06-01
Source PublicationJOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
ISSN1533-4880
Volume9Issue:6Pages:3975-3981
AbstractIn this paper, we describe thymine-protected gold nanoparticles. Assembly of thymine-protected gold nanoparticles into interconnected network was observed by gradual addition of Hg2+. Moreover, the plasmon absorption intensity varied almost linearly with the concentration of Hg2+, indicating that thymine-protected gold nanoparticles are potentially useful for signaling Hg2+. It is interesting to note that disassembly of gold nanoparticles occurred when the concentration of Hg2+ in the solution was high. It is proposed that the assembly of gold nanoparticles is due to the coordination of Hg2+ with thymine groups of adjacent nanoparticles, while the disassembly of gold nanoparticles is attributed to the electrostatic repulsion among the nanoparticles with positive charges which are generated through the coordination of Hg2+ with thymine groups absorbed on the surface of each nanoparticle.
KeywordGold Nanoparticle Thymine Hg2++++ Assembly Disassembly
DOI10.1166/jnn.2009.213
Indexed BySCI
Language英语
WOS IDWOS:000265794500098
PublisherAMER SCIENTIFIC PUBLISHERS
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/67548
Collection中国科学院化学研究所
Corresponding AuthorZhang, De-Qing
Affiliation1.Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, Lei,Zhang, De-Qing,Zheng, Xiao-Ping,et al. Thymine-Protected Gold Nanoparticles: Assembly and Disassembly of Gold Nanoparticles in the Presence of Hg2+[J]. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,2009,9(6):3975-3981.
APA Liu, Lei,Zhang, De-Qing,Zheng, Xiao-Ping,Wang, Zhuo,&Zhu, Dao-Ben.(2009).Thymine-Protected Gold Nanoparticles: Assembly and Disassembly of Gold Nanoparticles in the Presence of Hg2+.JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,9(6),3975-3981.
MLA Liu, Lei,et al."Thymine-Protected Gold Nanoparticles: Assembly and Disassembly of Gold Nanoparticles in the Presence of Hg2+".JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 9.6(2009):3975-3981.
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