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p High-Throughput Single-Cell TCR-pMHC Dissociation Rate Measurements Performed by an Autonomous Microfluidic Cellular Processing Unit

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Hydrogel-coated microfluidic channels for cardiomyocyte culture

Déborah Heintze

The research areas of tissue engineering and drug development have displayed increased interest in organ-on-a-chip studies, in which physiologically or pathologically relevant tissues can be engineered to test pharmaceutical candidates. Microfluidic techno ...

Royal Soc Chemistry2013

Hydrogel Microfluidics to Control Stem Cell Fate

Steffen Cosson

Biomolecular signaling is of utmost importance in governing many biological processes such as morphogenesis during tissue development where biomolecules regulate key cell-fate decisions. In vivo, these factors are presented in a spatiotemporally tightly co ...

EPFL2012

Microtechnologies to Map the Fate of Single Stem Cells and their Progeny

Stefan Kobel

Since stem cells have the unique ability to produce more of themselves (i.e. to "self-renew") and to generate specialized tissue cells, they are an ideal source of cells for regenerative medicine and in vitro tissue models. In order to fully exploit this p ...

EPFL2012

Automated analysis of single stem cells in microfluidic traps

Matthias Lütolf, Alessandra Griffa, Olivier Burri, Arne Seitz, Stefan Kobel, Mukul Girotra

We report a reliable strategy to perform automated image cytometry of single (non-adherent) stem cells captured in microfluidic traps. The method rapidly segments images of an entire microfluidic chip based on the detection of horizontal edges of microflui ...

2012

Highly controlled electrofusion of individually selected cells in dielectrophoretic field cages

Claus Duschl

The prospect of novel therapeutic approaches has renewed the current interest in the fusion of rare cells, like stem cells or primary immune cells. While conventional techniques are only capable of mass fusion, lab-on-a-chip systems often still lack an acc ...

2012

Hematopoietic stem cells (HSCs) have a unique ability to self-renew and produce differentiated progeny throughout the entire life of the human body. However, present clinical use of HSCs in regenerative medicine is largely hindered by our limited understan ...

2011

Optimization of microfluidic single cell trapping for long-term on-chip culture

Philippe Renaud, Matthias Lütolf, Ana Valero, Stefan Kobel, Jonas Marcel Lätt

The poor efficiency of microfluidic single cell trapping is currently restricting the full potential of state-of-the-art single cell analyses. Using fluid dynamics simulations in combination with particle image velocimetry to systematically optimize trap a ...

Royal Society of Chemistry2010

On-chip immunoassay using electrostatic assembly of streptavidin-coated bead micropatterns

Martinus Gijs, Caroline Vandevyver, Venkataragavalu Sivagnanam

We propose an original concept for a sandwich immunoassay that is completely performed on-chip using streptavidin-coated beads as substrate. The latter are electrostatically self-assembled on aminosilane micropatterns at the bottom of a microfluidic channe ...

2009

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2009

Miniaturized bioanalytics to probe the function of membrane proteins

Pedro Pascoal

G-protein coupled receptors (GPCRs) are the most abundant class of proteins in the cell body. Such receptors are of major interest as potential therapeutic targets. Downscaling and parallelization of bioanalytics opens novel routes to rapidly screen and id ...

EPFL2008