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Acoustic tweezers (or acoustical tweezers) … Acoustic tweezers (or acoustical tweezers) are used to manipulate the position and movement of very small objects with sound waves. Strictly speaking, only a single-beam based configuration can be called acoustical tweezers. However, the broad concept of acoustical tweezers involves two configurations of beams: single beam and standing waves. The technology works by controlling the position of acoustic pressure nodes that draw objects to specific locations of a standing acoustic field. The target object must be considerably smaller than the wavelength of sound used, and the technology is typically used to manipulate microscopic particles. Acoustic waves have been proven safe for biological objects, making them ideal for biomedical applications. Recently, applications for acoustic tweezers have been found in manipulating sub-millimetre objects, such as flow cytometry, cell separation, cell trapping, single-cell manipulation, and nanomaterial manipulation. The use of one-dimensional standing waves to manipulate small particles was first reported in the 1982 research article "Ultrasonic Inspection of Fiber Suspensions".trasonic Inspection of Fiber Suspensions".
, 声镊是一种通过声波控制物体运动的技术。在声场中，物体在的作用下，移动到声场的特定区域。与光镊相比，声镊可将所操纵的物体大小从微米级提高到厘米级。
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声镊是一种通过声波控制物体运动的技术。在声场中，物体在的作用下，移动到声场的特定区域。与光镊相比，声镊可将所操纵的物体大小从微米级提高到厘米级。
, Acoustic tweezers (or acoustical tweezers) … Acoustic tweezers (or acoustical tweezers) are used to manipulate the position and movement of very small objects with sound waves. Strictly speaking, only a single-beam based configuration can be called acoustical tweezers. However, the broad concept of acoustical tweezers involves two configurations of beams: single beam and standing waves. The technology works by controlling the position of acoustic pressure nodes that draw objects to specific locations of a standing acoustic field. The target object must be considerably smaller than the wavelength of sound used, and the technology is typically used to manipulate microscopic particles. used to manipulate microscopic particles.
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Acoustic tweezers
, 声镊
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