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Review

Ultrasonic Particle Manipulation in Glass Capillaries: A Concise Review

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State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, Guangdong University of Technology, Guangzhou 510006, China
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Guangzhou Key Laboratory of Non-Traditional Manufacturing Technology and Equipment, Guangdong University of Technology, Guangzhou 510006, China
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Author to whom correspondence should be addressed.
Academic Editors: Yongqiang Qiu, Koko Kwok-Ho Lam and Zhihong Huang
Micromachines 2021, 12(8), 876; https://doi.org/10.3390/mi12080876
Received: 8 July 2021 / Revised: 21 July 2021 / Accepted: 21 July 2021 / Published: 26 July 2021
(This article belongs to the Special Issue Miniature Ultrasonic Devices and Their Applications)
Ultrasonic particle manipulation (UPM), a non-contact and label-free method that uses ultrasonic waves to manipulate micro- or nano-scale particles, has recently gained significant attention in the microfluidics community. Moreover, glass is optically transparent and has dimensional stability, distinct acoustic impedance to water and a high acoustic quality factor, making it an excellent material for constructing chambers for ultrasonic resonators. Over the past several decades, glass capillaries are increasingly designed for a variety of UPMs, e.g., patterning, focusing, trapping and transporting of micron or submicron particles. Herein, we review established and emerging glass capillary-transducer devices, describing their underlying mechanisms of operation, with special emphasis on the application of glass capillaries with fluid channels of various cross-sections (i.e., rectangular, square and circular) on UPM. We believe that this review will provide a superior guidance for the design of glass capillary-based UPM devices for acoustic tweezers-based research. View Full-Text
Keywords: ultrasonic particle manipulation; acoustic tweezers; acoustic radiation force; acoustic streaming; glass capillary; miniaturized ultrasonic devices ultrasonic particle manipulation; acoustic tweezers; acoustic radiation force; acoustic streaming; glass capillary; miniaturized ultrasonic devices
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MDPI and ACS Style

Liu, G.; Lei, J.; Cheng, F.; Li, K.; Ji, X.; Huang, Z.; Guo, Z. Ultrasonic Particle Manipulation in Glass Capillaries: A Concise Review. Micromachines 2021, 12, 876. https://doi.org/10.3390/mi12080876

AMA Style

Liu G, Lei J, Cheng F, Li K, Ji X, Huang Z, Guo Z. Ultrasonic Particle Manipulation in Glass Capillaries: A Concise Review. Micromachines. 2021; 12(8):876. https://doi.org/10.3390/mi12080876

Chicago/Turabian Style

Liu, Guotian, Junjun Lei, Feng Cheng, Kemin Li, Xuanrong Ji, Zhigang Huang, and Zhongning Guo. 2021. "Ultrasonic Particle Manipulation in Glass Capillaries: A Concise Review" Micromachines 12, no. 8: 876. https://doi.org/10.3390/mi12080876

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