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Quadrupolar magnetic actuation of superparamagnetic particles for enhanced microfluidic perfusion

Publications associées (114)

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Hyperbranched polymer for micro devices

Yves Leterrier, Lars Schmidt

The invention relates to novel polymer-based microstructures, with outstanding shape accuracy and cost-effective processing. The novel polymers are based on hyperbranched macromolecules and enable remarkable property combination such as reduced shrinkage a ...

2007

Characterization of a microfluidic dispensing system for localised stimulation of cellular networks

Nico de Rooij

We present a 3-D microfluidic device designed for localized drug delivery to cellular networks. The device features a flow cell comprising a main channel for nutrient delivery as well as multiple channels for drug delivery. This device is one key component ...

2006

Microfluidics/CMOS orthogonal capabilities for cell bilogy

Nico de Rooij

The study of individual cells and cellular networks can greatly benefit from the capabilities of microfabricated devices for the stimulation and the recording of electrical cellular events. In this contribution, we describe the development of a device, whi ...

2006

Two-dimensional magnetic manipulation of microdroplets on a chip as a platform for bioanalytical applications

Martinus Gijs, Ulrike Lehmann, Amar Rida, Virendra Kumar Parashar, Caroline Vandevyver

Manipulating biological samples in microliter droplets has vast potential in molecular diagnostics. We present a system for the two-dimensional (2D) magnetic manipulation of aqueous droplets suspended in silicone oil as a platform for on-chip bioanalysis. ...

2006

A compact optofluidic microscope

Demetri Psaltis

We demonstrate a novel optical imaging device that can be directly integrated into a microfluidic network, and therefore enables on-chip imaging in a microfluidic system. This micro imaging device, termed optofluidic microscope (OFM) is free of bulk optics ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2006

Optofluidic microscope and its applications in biology

Demetri Psaltis

In this article, we will demonstrate a novel optical imaging device that can be directly integrated into a microfluidic network, and therefore enables on-chip imaging in a microfluidic system. This micro imaging device, termed optofluidic microscope (OFM) ...

2006

Multiple optical trapping in high gradient interference fringes

René Salathé, Fabrice Merenda, Johann Rohner, Jean-Marc Fournier

In biological investigations, many protocols using optical trapping call for the possibility to trap a large number of particles simultaneously. Interference fringes provide a solution for massively parallel micro-manipulation of mesoscopic objects. Concur ...

2006

Magnetically actuated micropumps

Christophe Yamahata

"Lab-On-a-Chip" (LOC) systems are intended to transpose complete laboratory instrumentations on the few square centimetres of a single microfluidic chip. With such devices the objective is to minimize the time and cost associated with routine biological an ...

EPFL2005

A new imaging method: Optofluidic microscopy

Demetri Psaltis

In this work, we present a novel optical imaging device that can be directly integrated into a microfluidic network, and can therefore enable on-chip imaging in a microfluidic system. This micro imaging device, termed optofluidic microscope (OFM) is free o ...

2005

Microfluidic cell immersion on-chip cell viability test

Philippe Renaud, Horst Vogel, Shady Didier Gawad, Urban Seger

Within an ongoing project on controlled single-cell electroporation in microfluidic chips [1], a platform permitting accurate particle and fluid handling is being developed. This paper describes cell immersion as a practical demonstration of that platform. ...

2005