Non-contact on-chip manipulation of 3-D microtools and its applications (magnetically modified soft microactuators for particle manipulation)

Fumihito Arai, Yoko Yamanishi

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This chapter describes a novel non-contact manipulation system using an on-chip, magnetically driven micro-tool (MMT) rather than conventional biomanipulation by hand, which has a higher risk of contamination and lower success rate and repeatability. MMTs can sort particles individually, and have the unique feature that they can be installed directly in a microchannel (width = 150 μm), unlike conventional cell sorting systems. The drive unit was significantly improved by focusing magnetic field on-chip and reduced the magnetic interaction region. Also, we have investigated an active size controlled droplet generation system by using magnetically driven microtool (MMT). With a lateral motion of the MMT in microchannels, the continuous phase can be pinched off by the movement of MMT to obtain size-controlled droplets actively.

Original languageEnglish
Title of host publicationNext-Generation Actuators Leading Breakthroughs
PublisherSpringer London
Pages129-140
Number of pages12
ISBN (Print)9781848829909
DOIs
Publication statusPublished - 2010
Externally publishedYes

Fingerprint

Microactuators
Microchannels
Sorting
Contamination
Cells
Magnetic fields

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Non-contact on-chip manipulation of 3-D microtools and its applications (magnetically modified soft microactuators for particle manipulation). / Arai, Fumihito; Yamanishi, Yoko.

Next-Generation Actuators Leading Breakthroughs. Springer London, 2010. p. 129-140.

Research output: Chapter in Book/Report/Conference proceedingChapter

Arai, Fumihito ; Yamanishi, Yoko. / Non-contact on-chip manipulation of 3-D microtools and its applications (magnetically modified soft microactuators for particle manipulation). Next-Generation Actuators Leading Breakthroughs. Springer London, 2010. pp. 129-140
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