Plastic micropump with ferrofluidic actuation

By Christophe Yamahata, M. Chastellain, V. K. Parashar, A. Petri, H. Hofmann, M. Gijs. Journal of microelectromechanical systems, 2005

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Formation and manipulation of ferrofluid droplets at a microfluidic T-junction (2010, methodology): “Ferrofluid was used as droplets or plugs in polymerase chain reactor (PCR) [39, 40, 41], micropumps [42, 43, 44], electromagnetic pipette [45], drug carriers [46], valve [47],”
A PMMA valveless micropump using electromagnetic actuation (2005, background): “We have recently demonstrated the potential of powder blasting for the realization of microfluidic three-dimensional structures in PMMA, using an erosion-resistive metal mask mechanically fixed on the PMMA sheet (Yamahata and Gijs 2004; Yamahata et al. 2004).”
MEMS-based micropumps in drug delivery and biomedical applications (2008, background): “[77] reported development of new type of icropump based on magnetic actuation of the magnetic liquid.”
Recent advances in microscale pumping technologies: a review and evaluation (2008, methodology): “developed by Yamahata et al. (2005b). The conical holes for the ball valves were powder”
Micro-magnetofluidics: interactions between magnetism and fluid flow on the microscale (2011, background): “2009b); f pump with check valves and ferrofluid piston (Yamahata et al. 2005); g stepper ferrohydrodynamic pump (Nguyen 2009) Microfluid Nanofluid”