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Dynamic patterning of microparticles with acoustic impulse control

This paper describes the use of impulse control of an acoustic field to create complex and precise particle patterns and then dynamically manipulate them. We first demonstrate that the motion of a particle in an acoustic field depends on the applied impulse and three distinct regimes can be identifi...

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Detalles Bibliográficos
Autores principales: Cox, Luke, Croxford, Anthony, Drinkwater, Bruce W.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9411184/
https://www.ncbi.nlm.nih.gov/pubmed/36008430
http://dx.doi.org/10.1038/s41598-022-18554-5
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author Cox, Luke
Croxford, Anthony
Drinkwater, Bruce W.
author_facet Cox, Luke
Croxford, Anthony
Drinkwater, Bruce W.
author_sort Cox, Luke
collection PubMed
description This paper describes the use of impulse control of an acoustic field to create complex and precise particle patterns and then dynamically manipulate them. We first demonstrate that the motion of a particle in an acoustic field depends on the applied impulse and three distinct regimes can be identified. The high impulse regime is the well established mode where particles travel to the force minima of an applied continuous acoustic field. In contrast acoustic field switching in the low impulse regime results in a force field experienced by the particle equal to the time weighted average of the constituent force fields. We demonstrate via simulation and experiment that operating in the low impulse regime facilitates an intuitive and modular route to forming complex patterns of particles. The intermediate impulse regime is shown to enable more localised manipulation of particles. In addition to patterning, we demonstrate a set of impulse control tools to clear away undesired particles to further increase the contrast of the pattern against background. We combine these tools to create high contrast patterns as well as moving and re-configuring them. These techniques have applications in areas such as tissue engineering where they will enable complex, high fidelity cell patterns.
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spelling pubmed-94111842022-08-27 Dynamic patterning of microparticles with acoustic impulse control Cox, Luke Croxford, Anthony Drinkwater, Bruce W. Sci Rep Article This paper describes the use of impulse control of an acoustic field to create complex and precise particle patterns and then dynamically manipulate them. We first demonstrate that the motion of a particle in an acoustic field depends on the applied impulse and three distinct regimes can be identified. The high impulse regime is the well established mode where particles travel to the force minima of an applied continuous acoustic field. In contrast acoustic field switching in the low impulse regime results in a force field experienced by the particle equal to the time weighted average of the constituent force fields. We demonstrate via simulation and experiment that operating in the low impulse regime facilitates an intuitive and modular route to forming complex patterns of particles. The intermediate impulse regime is shown to enable more localised manipulation of particles. In addition to patterning, we demonstrate a set of impulse control tools to clear away undesired particles to further increase the contrast of the pattern against background. We combine these tools to create high contrast patterns as well as moving and re-configuring them. These techniques have applications in areas such as tissue engineering where they will enable complex, high fidelity cell patterns. Nature Publishing Group UK 2022-08-25 /pmc/articles/PMC9411184/ /pubmed/36008430 http://dx.doi.org/10.1038/s41598-022-18554-5 Text en © The Author(s) 2022, corrected publication 2023 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Cox, Luke
Croxford, Anthony
Drinkwater, Bruce W.
Dynamic patterning of microparticles with acoustic impulse control
title Dynamic patterning of microparticles with acoustic impulse control
title_full Dynamic patterning of microparticles with acoustic impulse control
title_fullStr Dynamic patterning of microparticles with acoustic impulse control
title_full_unstemmed Dynamic patterning of microparticles with acoustic impulse control
title_short Dynamic patterning of microparticles with acoustic impulse control
title_sort dynamic patterning of microparticles with acoustic impulse control
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9411184/
https://www.ncbi.nlm.nih.gov/pubmed/36008430
http://dx.doi.org/10.1038/s41598-022-18554-5
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