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学科主题物理化学
The impact of the number of layers of a graphene nanopore on DNA translocation
Lv, Wenping1; Chen, Maodu2; Wu, Ren'an1; Wu RA(吴仁安)
刊名SOFT MATTER
2013
DOI10.1039/c2sm26476e
9期:3页:960-966
收录类别SCI
合作性质
文章类型Article
部门归属18
项目归属18T1
产权排名待补充
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者1,1 ; 1,1 ; 1,1 ; 1,1
类目[WOS]Chemistry, Physical ; Materials Science, Multidisciplinary ; Physics, Multidisciplinary ; Polymer Science
研究领域[WOS]Chemistry ; Materials Science ; Physics ; Polymer Science
关键词[WOS]MOLECULAR-DYNAMICS ; SYNTHETIC NANOPORE ; NUCLEIC-ACIDS ; SIMULATION ; WATER ; CONDUCTANCE ; COMPLEXES ; MEMBRANE ; POLYMER ; SENSORS
英文摘要Graphene nanopore based sensor devices have shown great potential for the detection of DNA. To understand the fundamental aspects of DNA translocation through a graphene nanopore, in this work, molecular dynamics (MD) simulations and potential of mean force (PMF) calculations were carried out to investigate the impact of the number of graphene layers of small nanopores (2-3 nm) on DNA translocation. It was observed that the ionic conductance was sensitive to the number of graphene layers of open-nanopores, and the probability of DNA translocation through graphene nanopores was related to the thickness of the graphene nanopores. MD simulations showed that DNA translocation time was most sensitive to the thickness of graphene nanopores of 2.4 nm aperture, and the observed free energy barrier of PMFs and the profile change revealed the increased retardation of DNA translocation through bilayer graphene nanopores as compared to that through monolayer graphene nanopores.
语种英语
资助者1,1 ; 1,1 ; 1,1 ; 1,1
原文出处查看原文
WOS记录号WOS:000312335500040
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被引频次:28[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/119600
专题中国科学院大连化学物理研究所
通讯作者Wu RA(吴仁安)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, CAS Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Dalian Univ Technol, Sch Phys & Optoelect Technol, Dalian 116024, Peoples R China
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Lv, Wenping,Chen, Maodu,Wu, Ren'an,et al. The impact of the number of layers of a graphene nanopore on DNA translocation[J]. SOFT MATTER,2013,9(3):960-966.
APA Lv, Wenping,Chen, Maodu,Wu, Ren'an,&吴仁安.(2013).The impact of the number of layers of a graphene nanopore on DNA translocation.SOFT MATTER,9(3),960-966.
MLA Lv, Wenping,et al."The impact of the number of layers of a graphene nanopore on DNA translocation".SOFT MATTER 9.3(2013):960-966.
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