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Separation of magnetic microparticles in segmented flow using asymmetric splitting regimes

Related publications (35)

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Magnetic particle dosing and size separation in a microfluidic channel

Martinus Gijs, Thomas Lehnert, Yves Moser, Rana Afshar Ghasemlouy

Separation of functional magnetic particles or magnetically labeled entities is a key feature for bioanalytical or biomedical applications and therefore also an important component of lab-on-a-chip devices for biological applications. We present a novel in ...

2011

Magnetic Core Shell Nanoparticles Trapping in a Microdevice Generating High Magnetic Gradient

Hubert Girault, Anne-Laure Gassner

Magnetic core shell nanoparticles (MCSNPs) 30 nm diameter with a magnetic weight of 10% are usually much too small to be trapped in microfluidic systems using classical external magnets. Here, a simple microchip for efficient MCSNPs trapping and release is ...

Royal Society of Chemistry2011

Separation and Focusing of Magnetic Beads for Agglutination Tests

Rana Afshar Ghasemlouy

Functional magnetic micro- and nanoparticles are used in bioanalytical applications as solid carriers for capture, transport and detection of biomolecules or magnetically labeled cells. Colloidal suspensions of such particles provide a large specific surfa ...

EPFL2011

Magnetic Stationary Phases for Protein Adsorption

Anne-Laure Gassner

Magnetic beads (MB) have now proven to be a powerful tool in both research and biomedical applications. They are available in a wide range of sizes (from nm to several µm) and their surface can be modified with molecules having biological specificities and ...

EPFL2011

Optical Trapping in Microfluidic Channels for Functional and Chemical Analysis of Single Cells

Michael Werner

The physiological properties of cells are typically investigated in ensembles yielding averaged data that mask heterogeneities present in any cell population. Single-cell analysis techniques based on microfluidic "lab on a chip" (LOC) devices have recently ...

EPFL2011

Magnetic active-valve micropump actuated by a rotating magnetic assembly

Martinus Gijs, Meng Shen

We report on a high-efficiency and self-priming active-valve micropump consisting of a microfluidic chamber structure in glass that is assembled with a polydimethylsiloxane (PDMS) elastic sheet. The latter comprises two valving membranes and a central pump ...

Elsevier2011

Microfluidic Chips for Point-of-Care Immunodiagnostics

Nico de Rooij, Luc Gervais, Emmanuel Delamarche

We might be at the turning point where research in microfluidics undertaken in academia and industrial research laboratories, and substantially sponsored by public grants, may provide a range of portable and networked diagnostic devices. In this Progress R ...

Wiley-Blackwell2011

Reconfigurable Translocation of Microbeads Using Micro-Engineered Locally Controlled Magnetic Fields

A microfluidic platform for magnetic bead translocation is introduced, consisting of microfabricated magnetic devices. Each magnetic device was constructed of embedded actuation microcoil array in various designs, which enable efficient magnetic beads and ...

2011

Rapid Prototyping of Microfluidic Devices

Meng Shen

With the growing importance of miniaturized energy applications and the development of micro Total Analysis Systems (μTAS), we have realized microfluidic devices, namely, magnetic micropumps, microfluidic fuel cells and membrane-based protein preconcentrat ...

EPFL2010

Magnetic Particle Handling In Microfluidic Systems

Martinus Gijs

We present techniques and methodologies for the manipulation of magnetic micro- and nanoparticles ('beads') in microfluidic systems. We first introduce the most important forces that act on magnetic particles in a microfluidic system. Starting with the mag ...

Springer, 101 Philip Drive, Norwell, Ma 02061 Usa2010