Recently, acoustic levitation for non-contact micro-particle manipulation has been attracting great interest in physical, biological, and medical applications. Among the state-of-the-art manipulation technologies, single beam acoustic tweezing exhibits advantages of providing stronger trapping force and deeper penetration depth in tissues, inducing less tissue damage, and a simple configuration involving only one device. However, particle trapping by the single beam acoustic tweezer could only be operated on a smooth two-dimensional substrate, which limits the potential for real applications. Here, we report an initial attempt to acoustically levitate an individual micro-particle stably in water and manipulate the levitated micro-particle arbitrarily two-dimensionally by simply employing a 60-MHz focused ring ultrasonic transducer. The proposed working mechanism agrees well with the phenomenon. This approach could not only acoustically levitate and manipulate a micro-particle on a culture dish and on a mylar film, but could also work properly in levitating and manipulating a micro-particle placed inside the polyimide tube. This simple and low-cost approach is extremely useful for effective non-contact micro-particle manipulation without having critical concerns on the substrate properties.
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4 February 2019
Research Article|
February 06 2019
Acoustic levitation and manipulation by a high-frequency focused ring ultrasonic transducer
Special Collection:
Acoustic Tweezers
Xiaoyang Chen
;
1
College of Material Science and Engineering, Sichuan University
, Chengdu 610064, People's Republic of China
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Kwok Ho Lam;
Kwok Ho Lam
a)
2
Department of Electrical Engineering, Hong Kong Polytechnic University
, Hung Hom, Kowloon, Hong Kong
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Ruimin Chen;
Ruimin Chen
3
Department of Biomedical Engineering and NIH Transducer Resource Center, University of Southern California
, Los Angeles, California 90089, USA
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Zeyu Chen;
Zeyu Chen
3
Department of Biomedical Engineering and NIH Transducer Resource Center, University of Southern California
, Los Angeles, California 90089, USA
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Xuejun Qian;
Xuejun Qian
3
Department of Biomedical Engineering and NIH Transducer Resource Center, University of Southern California
, Los Angeles, California 90089, USA
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Jun Zhang
;
Jun Zhang
4
College of Power and Mechanical Engineering, Wuhan University
, Wuhan 430072, People's Republic of China
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Ping Yu;
Ping Yu
1
College of Material Science and Engineering, Sichuan University
, Chengdu 610064, People's Republic of China
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Qifa Zhou
Qifa Zhou
b)
3
Department of Biomedical Engineering and NIH Transducer Resource Center, University of Southern California
, Los Angeles, California 90089, USA
5
Department of Ophthalmology, University of Southern California
, Los Angeles, California 90089, USA
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a)
Contributions: X. Chen and K.-H. Lam contributed equally to this work.
Appl. Phys. Lett. 114, 054103 (2019)
Article history
Received:
October 16 2018
Accepted:
January 21 2019
Citation
Xiaoyang Chen, Kwok Ho Lam, Ruimin Chen, Zeyu Chen, Xuejun Qian, Jun Zhang, Ping Yu, Qifa Zhou; Acoustic levitation and manipulation by a high-frequency focused ring ultrasonic transducer. Appl. Phys. Lett. 4 February 2019; 114 (5): 054103. https://doi.org/10.1063/1.5066615
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