Miniaturized shape memory alloy pumps for stepping microfluidic transport

Fumihiro Sassa, Yazan Al-Zain, Takahiro Ginoza, Shuichi Miyazaki, Hiroaki Suzuki

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A shape memory alloy (SMA) actuator and a polydimethylsiloxane (PDMS) elastic tube were used to realize a simple pump. A liquid plug in a flow channel could be moved forward and backward reversibly by exploiting the shape memory properties of the actuator. Two SMA sheets were used to create a peristaltic pump capable of moving a solution forward and backward over a long distance. The stepping transport caused by applying pulses of electric power facilitated the adjustment of the plug's position. Manipulations such as volume measurement and the merging of two plugs were demonstrated using a microfluidic device with a T-junction.

Original languageEnglish
Pages (from-to)157-163
Number of pages7
JournalSensors and Actuators, B: Chemical
Volume165
Issue number1
DOIs
Publication statusPublished - Apr 1 2012
Externally publishedYes

Fingerprint

shape memory alloys
plugs
Shape memory effect
Microfluidics
Pumps
pumps
Actuators
actuators
Volume measurement
microfluidic devices
channel flow
Polydimethylsiloxane
Channel flow
electric power
Merging
manipulators
adjusting
tubes
Liquids
liquids

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry
  • Electrical and Electronic Engineering

Cite this

Miniaturized shape memory alloy pumps for stepping microfluidic transport. / Sassa, Fumihiro; Al-Zain, Yazan; Ginoza, Takahiro; Miyazaki, Shuichi; Suzuki, Hiroaki.

In: Sensors and Actuators, B: Chemical, Vol. 165, No. 1, 01.04.2012, p. 157-163.

Research output: Contribution to journalArticle

Sassa, Fumihiro ; Al-Zain, Yazan ; Ginoza, Takahiro ; Miyazaki, Shuichi ; Suzuki, Hiroaki. / Miniaturized shape memory alloy pumps for stepping microfluidic transport. In: Sensors and Actuators, B: Chemical. 2012 ; Vol. 165, No. 1. pp. 157-163.
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