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Nanomanipulation of Individual DNA Molecules Covered by Single-Layered Reduced Graphene Oxide Sheets on a Solid Substrate
Wang, Ying1,2; Shen, Yue3; Li, Bin1,2; Wang, Shuo1,2; Zhang, Jinjin1,2; Zhang, Yi1,2; Hu, Jun1,2
2018-01-18
发表期刊JOURNAL OF PHYSICAL CHEMISTRY B
卷号122期号:2页码:612-617
文章类型Article
摘要Nanomanipulation of single DNA molecules has great potential in fundamental genetic research and clinical analysis, and is a good model system for studying the interfacial effects on physiochemical processes, which occur when manipulating the linear DNA molecules with an atomic force microscope (AFM) tip. Here, we demonstrate that AFM nanomanipulation can be carried out on DNA molecules covered by a single-layered reduced graphene oxide sheet. Nanomanipulation, which includes cutting, pushing, and sweeping operations, specific to the covered DNA molecules can be achieved in a well-controlled manner using AFM in the PeakForce Quantitative Nano-Mechanics mode. It was found that the normal force required to cut covered DNA strands is over five times greater than that required for naked strands. This technique provides a distinctive method for the construction of graphene architecture by tailoring the underlying artificial DNA nanostructures.
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]ATOMIC-FORCE MICROSCOPY ; GRAPHITE OXIDE ; MECHANICAL-PROPERTIES ; BIAXIAL STRAIN ; NANOSHEETS ; PATTERNS
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Physical
WOS记录号WOS:000423140600026
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6414
专题青海盐湖研究所知识仓储
盐湖资源与化学实验室
作者单位1.Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Appl Phys, Lab Phys Biol, Shanghai 201800, Peoples R China
3.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Resources Chem Qinghai Prov, Xining 810008, Qinghai, Peoples R China
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Wang, Ying,Shen, Yue,Li, Bin,et al. Nanomanipulation of Individual DNA Molecules Covered by Single-Layered Reduced Graphene Oxide Sheets on a Solid Substrate[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2018,122(2):612-617.
APA Wang, Ying.,Shen, Yue.,Li, Bin.,Wang, Shuo.,Zhang, Jinjin.,...&Hu, Jun.(2018).Nanomanipulation of Individual DNA Molecules Covered by Single-Layered Reduced Graphene Oxide Sheets on a Solid Substrate.JOURNAL OF PHYSICAL CHEMISTRY B,122(2),612-617.
MLA Wang, Ying,et al."Nanomanipulation of Individual DNA Molecules Covered by Single-Layered Reduced Graphene Oxide Sheets on a Solid Substrate".JOURNAL OF PHYSICAL CHEMISTRY B 122.2(2018):612-617.
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