A Ferrofluid Micropump for LabOnaChip Applications

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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
C. Yamahata, M. Chastellain, H. Hofmann, M.
A. M. Gijs Institute of Microelectronics and
Microsystems, EPFL Powder Technology
Laboratory, EPFL
Swiss Federal Institute of Technology,
Lausanne Institute of Microelectronics and
Microsystems Christophe Yamahata
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Objective
? Low-cost disposable device ? Efficiency
robustness ? Targeted to biochemical applications
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Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Lab-On-a-Chip
? Microfluidic Laboratory on a chip ? Plastic /
glass technology ? Card apparatus
Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Microfabrication
? PMMA plastic ? Powder blasting ? 3D
microfluidic chip
Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Microfabrication
? PMMA plastic ? Powder blasting ? 3D
microfluidic chip
Powder blasting ? (ø30 µm alumina particles)
CAD file ?
Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Microfabrication
? PMMA plastic ? Powder blasting ? 3D
microfluidic chip
Bonding ?
Final microfluidic chip ?
Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Microfabrication
? PMMA plastic ? Powder blasting ? 3D
microfluidic chip
Low Cost Method for the Fast Prototyping of
Microfluidic Chips - Laser cutting
conventional tooling machine - Powder blasting
machine - Manual hot press - Inexpensive
plastic material - Non clean-room process
Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Ferrofluid

• ? Magnetic liquid
• Biocompatible water-based ferrofluid
• ? External magnetic fluid handling

Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Microvalve
? Commercial silicone check-valve ? Passive valve
Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Microvalve
? Commercial silicone check-valve ? Passive valve
Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Micropump

• ? PMMA micropump
• ? Ferrofluid piston pumping
• ? External magnet actuation

Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Micropump

• ? PMMA micropump
• ? Ferrofluid piston pumping
• ? External magnet actuation

Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Future

• ? Plastic and glass investigation
• ? Other magnetic actuation methods
• ? Other valving principles

Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal
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A Ferrofluid Micropump for Lab-On-a-Chip
Applications
Institute of Microelectronics and Microsystems,
EPFL
Powder Technology Laboratory, EPFL
? ? http//lmis2.epfl.ch/ ?
Industrial partner Parabol Technologies
Financial support Swiss innovation promotion
agency
Christophe.Yamahata_at_epfl.ch
Eurosensors 2003, Guimarães, Portugal