Recent advances in acoustofluidic separation technology in biology

Y Fan, X Wang, J Ren, F Lin, J Wu - Microsystems & Nanoengineering, 2022 - nature.com
Acoustofluidic separation of cells and particles is an emerging technology that integrates
acoustics and microfluidics. In the last decade, this technology has attracted significant …

Acoustic tweezers

L Meng, F Cai, F Li, W Zhou, L Niu… - Journal of Physics D …, 2019 - iopscience.iop.org
Acoustic tweezers are gaining increasing attention as a noncontact method that is capable
of handling microparticles and nanoparticles in a controllable manner. By designing the …

Full-wave modeling of micro-acoustofluidic devices driven by standing surface acoustic waves for microparticle acoustophoresis

JC Hsu, CL Chao - Journal of Applied Physics, 2020 - pubs.aip.org
Surface acoustic wave (SAW)-based acoustofluidic systems are emerging as an important
tool for acoustophoresis. In this paper, we present a full cross-sectional model of standing …

Interparticle attraction along the direction of the pressure gradient in an acoustic standing wave

A Pavlic, L Ermanni, J Dual - Physical Review E, 2022 - APS
Scattering of an acoustic wave by particles gives rise to microstreaming, as well as to
acoustic radiation and interaction forces on the particles. We numerically study these steady …

Interparticle acoustic radiation force between a pair of spherical particles in a liquid exposed to a standing bulk acoustic wave

SZ Hoque, AK Sen - Physics of Fluids, 2020 - pubs.aip.org
We elucidate the interparticle force between a pair of particles suspended in a liquid
exposed to a standing bulk acoustic wave. A three-dimensional model based on the …

Recent advances in acoustic microfluidics and its exemplary applications

Y Li, S Cai, H Shen, Y Chen, Z Ge, W Yang - Biomicrofluidics, 2022 - pubs.aip.org
Acoustic-based microfluidics has been widely used in recent years for fundamental research
due to its simple device design, biocompatibility, and contactless operation. In this article …

A quantitative study of the secondary acoustic radiation force on biological cells during acoustophoresis

D Saeidi, M Saghafian, S Haghjooy Javanmard… - Micromachines, 2020 - mdpi.com
We investigate cell-particle secondary acoustic radiation forces in a plain ultrasonic standing
wave field inside a microfluidic channel. The effect of secondary acoustic radiation forces on …

Acoustic radiation force and radiation torque beyond particles: Effects of nonspherical shape and Willis coupling

S Sepehrirahnama, S Oberst, YK Chiang, D Powell - Physical Review E, 2021 - APS
Acoustophoresis mainly deals with the manipulation of subwavelength scatterers in an
incident acoustic field. The geometric details of manipulated particles are often neglected by …

Numerical and experimental analysis of a hybrid material acoustophoretic device for manipulation of microparticles

A Barani, P Mosaddegh, S Haghjooy Javanmard… - Scientific reports, 2021 - nature.com
Acoustophoretic microfluidic devices have been developed for accurate, label-free,
contactless, and non-invasive manipulation of bioparticles in different biofluids. However …

Willis coupling-induced acoustic radiation force and torque reversal

S Sepehrirahnama, S Oberst, YK Chiang, DA Powell - Physical Review Letters, 2022 - APS
Acoustic meta-atoms serve as the building blocks of metamaterials, with linear properties
designed to achieve functions such as beam steering, cloaking, and focusing. They have …