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Generating multifunctional acoustic tweezers in Petri dishes for contactless, precise manipulation of bioparticles

机译:在培养皿中产生多功能声学镊子,无接触,精确地操纵生物颗粒

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Acoustic tweezers are a promising technology for the biocompatible, precise manipulation of delicate bioparticles ranging from nanometer-sized exosomes to millimeter-sized zebrafish larva. However, their widespread usage is hindered by their low compatibility with the workflows in biological laboratories. Here, we present multifunctional acoustic tweezers that can manipulate bioparticles in a disposable Petri dish. Various functionalities including cell patterning, tissue engineering, concentrating particles, translating cells, stimulating cells, and cell lysis are demonstrated. Moreover, leaky surface acoustic wave–based holography is achieved by encoding required phases in electrode profiles of interdigitated transducers. This overcomes the frequency and resolution limits of previous holographic techniques to control three-dimensional acoustic beams in microscale. This study presents a favorable technique for noncontact and label-free manipulation of bioparticles in commonly used Petri dishes. It can be readily adopted by the biological and medical communities for cell studies, tissue generation, and regenerative medicine.
机译:声学镊子是一种有希望的技术,用于生物相容性,精确地操纵从纳米尺寸的外来物到毫米大小的斑马鱼幼虫。然而,他们的广泛使用量因与生物实验室中的工作流量的低兼容性而受阻。在这里,我们提出了可以在一次性培养皿中操纵生物颗粒的多功能声学镊子。证明了各种功能,包括细胞图案化,组织工程,浓缩粒子,平移细胞,刺激细胞和细胞裂解。此外,通过编码交叉的换能器的电极轮廓中的所需相位来实现泄漏的表面声波的全息术。这克服了先前全息技术的频率和分辨率限制,以控制微尺度的三维声光束。本研究提出了一种良好的非接触性和无与伦比的培养皿中的免疫颗粒的无与伦比的操作技术。生物和医学社区可以容易地采用细胞研究,组织产生和再生医学。

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