CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Molecular Expansion of an Individual Coiled DNA on a Graphite Surface
Wang, HB(王化斌); Wang, XY; Li, HB; Zhang, XH; Zhang, Y(张益); Hu, J(胡钧)
2011
Source PublicationLANGMUIR
ISSN0743-7463
Volume27Issue:6Pages:2405
AbstractDirect visualization and manipulation of a single polymer on a solid surface in fluid can greatly contribute to our understanding of polymer dynamics and physics relevant to many practical applications. In this paper, the authors report a novel phenomenon that a randomly coiled DNA molecule can be gradually expanded to form a spiral-like pattern by repeatedly rotating a water droplet on a graphite surface where the DNA molecule Was deposited. The process of DNA expansion was traced using atomic force microscopy relocation imaging. A simple theoretical model based on the analysis of centrifugal and resistant, forces exerted on the DNA molecule during the manipulation was presented to explain the formation of the spiral-like pattern. This study should provide us insight into the movement of polymers on a solid surface under fluid flow.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000288039500051
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/12866
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Wang, HB,Wang, XY,Li, HB,et al. Molecular Expansion of an Individual Coiled DNA on a Graphite Surface[J]. LANGMUIR,2011,27(6):2405.
APA Wang, HB,Wang, XY,Li, HB,Zhang, XH,Zhang, Y,&Hu, J.(2011).Molecular Expansion of an Individual Coiled DNA on a Graphite Surface.LANGMUIR,27(6),2405.
MLA Wang, HB,et al."Molecular Expansion of an Individual Coiled DNA on a Graphite Surface".LANGMUIR 27.6(2011):2405.
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