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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
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY B
Volume122Issue:2Pages:612-617
SubtypeArticle
AbstractNanomanipulation 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 HeadingsScience & Technology ; Physical Sciences
WOS KeywordATOMIC-FORCE MICROSCOPY ; GRAPHITE OXIDE ; MECHANICAL-PROPERTIES ; BIAXIAL STRAIN ; NANOSHEETS ; PATTERNS
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000423140600026
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6414
Collection青海盐湖研究所知识仓储
盐湖资源与化学实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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