Particle manipulation using programmable hydrodynamic forces

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Abstract

Manipulating particles is of interest in diverse fields of engineering. Generally, manipulation activities carried out in micro-devices have a fixed design tailored to specific task. To address this issue, we designed a Hele-Shaw flow cell with "virtual" channels generated by uniform flow in transverse direction and three inlets in the longitudinal axis. These three inlets can inject or dispense fluid in the flow cell to deviate the streamlines. This device provides us the opportunity to integrate multiple functionalities such as particle trapping and separation onto a single device. Since the depth-averaged velocity over the channel in a Hele-Shaw cell is irrotational, we use potential flow theory to predict the flow field for manipulating particles.

Original languageEnglish
Title of host publicationMicroTAS 2020 - 24th International Conference on Miniaturized Systems for Chemistry and Life Sciences
PublisherChemical and Biological Microsystems Society
Pages639-640
ISBN (Electronic)9781733419017
Publication statusPublished - 2020
Event24th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2020 - Virtual, Online
Duration: 4 Oct 20209 Oct 2020

Conference

Conference24th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2020
CityVirtual, Online
Period4/10/209/10/20

Keywords

  • Hydrodynamic forces
  • Particle manipulation
  • Streamlines
  • Virtual channels

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