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形成该模式的波:生物医学研究中的声学操控综述。

The waves that make the pattern: a review on acoustic manipulation in biomedical research.

作者信息

Guex A G, Di Marzio N, Eglin D, Alini M, Serra T

机构信息

AO Research Institute Davos, Clavadelerstrasse 8, 7270 Davos, Switzerland.

Department of Health Sciences, Università del Piemonte Orientale (UPO), Novara, Italy.

出版信息

Mater Today Bio. 2021 Mar 24;10:100110. doi: 10.1016/j.mtbio.2021.100110. eCollection 2021 Mar.

Abstract

Novel approaches, combining technology, biomaterial design, and cutting-edge cell culture, have been increasingly considered to advance the field of tissue engineering and regenerative medicine. Within this context, acoustic manipulation to remotely control spatial cellular organization within a carrier matrix has arisen as a particularly promising method during the last decade. Acoustic or sound-induced manipulation takes advantage of hydrodynamic forces exerted on systems of particles within a liquid medium by standing waves. Inorganic or organic particles, cells, or organoids assemble within the nodes of the standing wave, creating distinct patterns in response to the applied frequency and amplitude. Acoustic manipulation has advanced from micro- or nanoparticle arrangement in 2D to the assembly of multiple cell types or organoids into highly complex in vitro tissues. In this review, we discuss the past research achievements in the field of acoustic manipulation with particular emphasis on biomedical application. We survey microfluidic, open chamber, and high throughput devices for their applicability to arrange non-living and living units in buffer or hydrogels. We also investigate the challenges arising from different methods, and their prospects to gain a deeper understanding of in vitro tissue formation and application in the field of biomedical engineering.

摘要

结合技术、生物材料设计和前沿细胞培养的新方法,越来越多地被认为有助于推动组织工程和再生医学领域的发展。在此背景下,在过去十年中,通过声学操纵来远程控制载体基质内的空间细胞组织已成为一种特别有前景的方法。声学或声致操纵利用驻波对液体介质中的颗粒系统施加的流体动力。无机或有机颗粒、细胞或类器官在驻波的节点内聚集,根据所施加的频率和振幅形成独特的图案。声学操纵已从二维的微颗粒或纳米颗粒排列发展到将多种细胞类型或类器官组装成高度复杂的体外组织。在这篇综述中,我们讨论了声学操纵领域过去的研究成果,特别强调了其生物医学应用。我们考察了微流体、开放式腔室和高通量设备在缓冲液或水凝胶中排列非生物和生物单元的适用性。我们还研究了不同方法带来的挑战及其前景,以更深入地了解体外组织形成以及在生物医学工程领域的应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf4e/8094912/45c6bd105510/ga1.jpg

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