Experiments and Models of DNA Nano-Catenary Patterns Manipulated by Liquid Flow
ZHANG Yi, HU Jun, WU Shi-Ying, AI Xiao-Bai, LI Min-Qian
Shanghai Institute of Nuclear Research, Chinese Academy of
Sciences P.O. Box 800-204, Shanghai 201800
Experiments and Models of DNA Nano-Catenary Patterns Manipulated by Liquid Flow
ZHANG Yi;HU Jun;WU Shi-Ying;AI Xiao-Bai;LI Min-Qian
Shanghai Institute of Nuclear Research, Chinese Academy of
Sciences P.O. Box 800-204, Shanghai 201800
关键词 ：
87.15.-v ,
87.64.Dz ,
87.90.+y
Abstract ： Individual DNA molecules were first stretched by a centrifugal force and adsorbed on a modified mica surface. Then, a liquid flow was guided across the surface along a direction perpendicular to the aligned DNA strands. Some nano-catenary-like patterns of DNA molecules were formed, which were revealed by atomic force microscope. A physical mechanism called the “s-suspension bridge” model has been presented, by which the features of the catenary-like patterns of DNA molecules can be understood quantitatively quite well.
Key words ：
87.15.-v
87.64.Dz
87.90.+y
出版日期: 2002-03-01
:
87.15.-v
(Biomolecules: structure and physical properties)
87.64.Dz
(Scanning tunneling and atomic force microscopy)
87.90.+y
(Other topics in biological and medical physics)
引用本文:
ZHANG Yi;HU Jun;WU Shi-Ying;AI Xiao-Bai;LI Min-Qian. Experiments and Models of DNA Nano-Catenary Patterns Manipulated by Liquid Flow[J]. 中国物理快报, 2002, 19(3): 437-440.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2002/V19/I3/437
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