Centrifugation of microparticles inside a sessile droplet on a micromachined silicon chip using acoustic tweezers

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

2 Scopus Citations
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Detail(s)

Original languageEnglish
Title of host publication33rd IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2020)
PublisherInstitute of Electrical and Electronics Engineers, Inc.
Pages1130-1133
ISBN (electronic)9781728135809, 9781728135816
ISBN (print)9781728135823
Publication statusPublished - Jan 2020

Publication series

NameProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
Volume2020-January
ISSN (Print)1084-6999
ISSN (electronic)2160-1968

Conference

Title33rd IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2020)
PlaceCanada
CityVancouver
Period18 - 22 January 2020

Abstract

This paper reports the first demonstration of acoustic tweezers to manipulate microparticles in a sessile droplet over a functional surface-micromachined silicon chip fabricated with polysilicon micromechanical sensing structures. The proposed plug-and-play setup comprises two interchangeable parts: a detachable silicon micromachined sensor chip (acting as a superstrate) and a surface acoustic wave (SAW) device substrate. The SAW device provides the off-chip acoustic source from which Rayleigh waves couple into the functional silicon chip. We demonstrate concentration of initially randomly dispersed microparticles in a water droplet loaded on the functional silicon chip by means of acoustic streaming forces using a drive power of 1 W.

Research Area(s)

  • acoustic streaming, centrifugation-on-chip, MEMS, surface acoustic wave devices

Citation Format(s)

Centrifugation of microparticles inside a sessile droplet on a micromachined silicon chip using acoustic tweezers. / Qian, Jingui; Begum, Habiba; Lee, Joshua E.-Y.
33rd IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2020). Institute of Electrical and Electronics Engineers, Inc., 2020. p. 1130-1133 9056206 (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS); Vol. 2020-January).

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review