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Engineered Lateral Roughness Element Implementation and Working Fluid Alteration to Intensify Hydrodynamic Cavitating Flows on a Chip for Energy Harvesting

Publications associées (36)

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Opportunities for high-pressure microfluidics in biomedical applications

Ata Tuna Ciftlik

Pressure lies at the basis of operation of most microfluidic systems, and is a determinant factor in the extent of miniaturization and in limiting the throughput and time constant of the microfluidic assays. Despite the apparent importance given to fluidic ...

EPFL2013

Optofluidic differential spectroscopy for absorbance detection of sub-nanolitre liquid samples

Wuzhou Song, Jianhang Yang

We present a novel optofluidic differential method for carrying out absorbance spectroscopy of subnanolitre volumes of liquid samples on a microfluidic chip. Due to the reduction of liquid volume, the absorbance detection in microfluidics is often hindered ...

Royal Society of Chemistry2012

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

Scaling study of cavitation pitting from cavitating jets and ultrasonic horns

Ayat Karimi, Jean-Pierre Franc

Cavitation erosion prediction and characterization of cavitation field strength are of interest to industries suffering from cavitation erosion detrimental effects. One means to evaluate cavitation fields and materials is to examine pitting rates during th ...

Elsevier Science Sa2012

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

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

Exotic droplets formed in microfluidic chips with uniform wettability

Martinus Gijs, Virendra Kumar Parashar, Josias Basil Wacker, Cédric Razaname, Guillaume Louis

Microdroplets are widely used in industrial processes. In the absence of external forces, droplets generally assume a spherical shape. Here, we present two methods to form non-spherical droplets in microfluidic glass chips. A uniformly hydrophobized chip h ...

Elsevier2011

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The unique confinement of shock waves inside isolated liquid volumes amplifies the density of shock–liquid interactions. We investigate this universal principle through an interdisciplinary study of shock-induced cavitation inside liquid volumes, isolated ...

American Institute of Physics2011

Abstract Microfluidics for most bio-related diagnostic applications typically requires single usage disposable chips to avoid bio-fouling and cross-contamination. Individual piece-wise manufacturing of polymeric microfluidic devices has been widely employe ...

2010

Imaging based optofluidic air flow meter with polymer interferometers defined by soft lithography

Demetri Psaltis, Wuzhou Song

We present an optofluidic chip with integrated polymer interferometers for measuring both the microfluidic air pressure and flow rate. The chip contains a microfluidic circuit and optical cavities on a polymer which was defined by soft lithography. The pre ...

2010