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题名:
Simultaneous separation and concentration of micro- and nano-particles by optically induced electrokinetics
作者: Liang WF(梁文峰); Liu N(刘娜); Dong ZL(董再励); Liu LQ(刘连庆); Mai, John D.; Li GB(李国宾); Li WJ(李文荣)
作者部门: 机器人学研究室
通讯作者: Mai, John D. ; Li WJ(李文荣)
关键词: Electrodynamics ; Electrohydrodynamics ; Electromagnetic fields ; Electroosmosis ; Electrophoresis ; Particle separators ; Polystyrenes ; Screening ; Separation
刊名: Sensors and Actuators, A: Physical
ISSN号: 0924-4247
出版日期: 2013
卷号: 193, 页码:103-111
收录类别: SCI ; EI
EI收录号: 20130816033289
WOS记录号: WOS:000315838800013
产权排序: 1
摘要: This paper presents our work on the automated and parallel manipulation, separation, and concentration of micro- and nano-particles utilizing a hydrogenated, amorphous silicon (a-Si:H)-based optically induced electrokinetics (OEK) chip. A theoretical analysis and calculation of the crossover frequency spectrum characteristic of polystyrene beads is first presented. Then, we use different optically induced dielectrophoresis (ODEP) force directionalities, i.e., positive and negative components, to separate polystyrene beads with diameters of 10 μm and 1 μm, respectively. Furthermore, we have also demonstrated experimentally that polystyrene beads with three different diameters, i.e., 500 nm, 1 μm, and 10 μm, can also be simultaneously separated and concentrated by combining different directionality and magnitudes of the ODEP force. We elucidated the dominate factors governing the operating regimes for rapid and simultaneous separation of micro-/nano-particles using OEK in this paper, and concluded that OEK is an extremely useful technology for the rapid sorting of micro-/nano-particles.
语种: 英语
WOS标题词: Science & Technology ; Technology
类目[WOS]: Engineering, Electrical & Electronic ; Instruments & Instrumentation
关键词[WOS]: POLYSTYRENE BEADS ; MANIPULATION ; MICROPARTICLES ; NANOPARTICLES ; SINGLE ; SYSTEM
研究领域[WOS]: Engineering ; Instruments & Instrumentation
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/10637
Appears in Collections:机器人学研究室_期刊论文

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作者单位: 1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
2.University of Chinese Academy of Sciences, Beijing, China
3.Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Hong Kong, Hong Kong
4.Department of Power Mechanical Engineering, National Tsing Hua University, Taiwan

Recommended Citation:
Liang WF,Liu N,Dong ZL,et al. Simultaneous separation and concentration of micro- and nano-particles by optically induced electrokinetics[J]. Sensors and Actuators, A: Physical,2013,193:103-111.
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