Harald Van Lintel

Cette personne a quitté l’EPFL

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Publications associées (27)

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The rod and hole paradox re-examined

Harald Van Lintel, Christian Gruber

In the rod and hole paradox as described by Rindler (1961 Am. J. Phys. 29 365–6) ('length contraction paradox'), a rigid rod moves at high speed over a table towards a hole of the same size. A bystander expects the rod to fall into the hole, but a co-movin ...

2005

A Ca2+ ion selective electrode biosensor in microfluidics to monitor hepatocyte’s activities

Philippe Renaud, Harald Van Lintel, Robert Meissner

Ca2+ plays a crucial role in cell communication. For example, periodical changes in Ca2+ concentration act as cell sig- nals. Intracellular Ca2+ signals have been measured by Ca2+ sensitive fluorescent dye [1]. In this study, extracellular Ca2+ variation w ...

2010

A virtual valve for smooth contamination-free flow switching

Philippe Renaud, Thomas Michael Braschler, Harald Van Lintel, Nicolas Demierre, Anja Kunze, Mario Schlund

We present a channel geometry that allows for clean switching between different inlets of a microchip without any contamination of the inlets or the downstream flow. We drive this virtual valve with a pneumatic pressure setup that minimizes disturbance of ...

2007

Biochip with E. coli bacteria for detection of arsenic in drinking water

Philippe Renaud, Thomas Michael Braschler, Harald Van Lintel

Arsenic and other pollutants are often present in trace amounts in drinking water in a number of countries. In aqueous solutions the sensitivity of arsenic- responsive bacterial bioreporters is far better than the performance of chemical field test kits. H ...

Elsevier2009

A high-performance silicon micropump for disposable drug delivery systems

Philippe Renaud, Harald Van Lintel

This paper describes the design, fabrication and experimental results of a new, low cost, high-performance silicon micropump developed for a disposable drug delivery system. The pump chip demonstrates linear and accurate (+/-5%) pumping characteristics for ...

2001

Biochip with E-Coli bacteria for detection of arsenic in drinking water

Philippe Renaud, Thomas Michael Braschler, Harald Van Lintel

Arsenic and other pollutants are often present in trace amounts in drinking water in a number of countries. In aqueous solutions the sensitivity of arsenic-responsive bacterial bioreporters is far better than the performance of chemical field test kits. Ho ...

2009

A simple pneumatic setup for driving microfluidics

Philippe Renaud, Thomas Michael Braschler, Harald Van Lintel, Nicolas Demierre, Lynda Metref

2007