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Metal-Coated SU-8 Structures for High-Density 3-D Microelectrode Arrays

Publications associées (48)

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Metal-coated silicon micropillars for freestanding 3D-electrode arrays in microchannels

Carlotta Guiducci, Samuel Kilchenmann, Elena Bianchi, Enrica Rollo

This paper presents a fabrication process for arrays of high-aspect-ratio micropillar electrodes, which are freestanding 3D structures that feature metal sidewalls connected to passivated planar wires. Facing vertical electrodes are considered to be a key ...

Elsevier2013

Understanding the fundamental properties of electrochemical systems, especially at the microscopic level, requires advanced tools combining electrochemical microscopy and scanning probe techniques with mathematical modeling for the quantification of the ph ...

EPFL2013

Development of Elastomeric Optofluidic Devices for Lasing and Sensing

Wuzhou Song

The term of optofluidics defines an emergent research field that combines microfluidics and optics. In many lab-on-a-chip applications, these two technologies are used in combining the microfluidics for sample delivery and optics for sensing and controllin ...

EPFL2012

A Comparative Study on Fabrication Techniques for On-Chip Microelectrodes

Carlotta Guiducci, Yusuf Leblebici, Yüksel Temiz, Anna Ferretti

This paper presents an experimental study on different microelectrode fabrication techniques, with particular focus on the robustness of the surface insulation towards typical working conditions required in lab-on-a-chip applications. Pt microelectrodes wi ...

Royal Society of Chemistry2012

DEP is an established technique for particle manipulation. Although first demonstrated in the 1950s, it was not until the development of miniaturization techniques in the 1990s that DEP became a popular research field. The 1990s saw an explosion of DEP pub ...

Wiley-Blackwell2012

Biosensor microprobes with integrated microfluidic channels for bi-directional neurochemical interaction

Nico de Rooij, Peter Van der Wal, Olivier Frey

This paper reports on silicon-based microprobes, 8 mm long and 250 mu m x 250 mu m cross-section, comprising four recessed biosensor microelectrodes (50 mu m x 150 mu m) per probe shank coated with an enzymatic layer for the selective detection of choline ...

2011

Optofluidic membrane interferometer: An imaging method for measuring microfluidic pressure and flow rate simultaneously on a chip

Demetri Psaltis, Wuzhou Song

We present a novel image-based method to measure the on-chip microfluidic pressure and flow rate simultaneously by using the integrated optofluidic membrane interferometers (OMIs). The device was constructed with two layers of structured polydimethylsiloxa ...

American Institute of Physics2011

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

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2011

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