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题名: Manipulation of DNA origami nanotubes in liquid using a programmable tapping mode AFM
作者: Li LH(李龙海) ; Tian XJ(田孝军) ; Dong ZL(董再励) ; Liu LQ(刘连庆) ; Tabata, Osamu ; Li WR(李文荣)
作者部门: 机器人学研究室
会议名称: 8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2013
会议日期: April 7-10, 2013
会议地点: Suzhou, China
会议主办者: Institute of Electrical and Electronics Engineers (IEEE); IEEE Nanotechnology Council (NTC); Peking University; Soochow University; Chinese Academy of Sciences
会议录: 8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2013
会议录出版者: IEEE Computer Society
会议录出版地: Washington, United States
出版日期: 2013
页码: 56-59
收录类别: CPCI(ISTP) ; EI
ISBN号: 9781467363525
关键词: Atomic force microscopy ; Liquids ; Mica ; Micromanipulators ; Nanoprobes ; Nanotechnology ; Nanotubes
摘要: Deoxyribonucleic acid (DNA) origami [1] is expected to be a nanoscale functional block for Nano Electro Mechanical Systems (NEMS). It can be assembled on a substrate containing other MEMS components to realize a NEMS device in which nanostructures play an important role. We recently demonstrated a tapping mode atomic force microscopy (AFM) process that can manipulate DNA origami structures in liquid to desired positions with controlled orientations, which is a novel process that will eventually allow the constructions of complex nanostructures on substrate surfaces. The manipulation of DNA origami nanotubes with 6 nm in diameter and 400 nm in length placed on a mica substrate was executed by tapping mode AFM with 0-10 nm amplitude. The acting vertical force from the AFM tip to a DNA origami nanotube was calculated to be 25 - 30 nN numerically by using Simulink software (MathWorks). Experimental results shown that ∼80% samples can be successfully manipulated if the tapping mode AFM tip amplitude is 3-4 nm. 1 © 2013 IEEE.
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内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/12413
Appears in Collections:机器人学研究室_会议论文

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