Michel Meunier

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A process to fabricate nonplanar microelectrode array circuits was developed and the microelectrodes were characterized. These platinum microelectrode arrays are for recording streaming potential signals generated during indentation of articular cartilage. The nonplanar substrate was produced by permanent deformation of a 7-in-diameter circular(More)
Two different mechanisms of laser-induced treatment of silicon in atmospheric air are compared. In one, silicon target was ablated by pulsed UV radiation, which led to a formation of microscale spikes under the irradiation spot and a deposition of material around it. The treated material contained silicon nanocrystals and exhibited weak photoluminescence(More)
A manufacturing process has been developed for a microelectrode array that can he used for stimulation of the visual cortex to provide an effective sense of sighf to the blind. The first prototype merges sixteen 316L stainless sfeel electrodes on a 4x4 array. Several arrays can then he assembled together in a mosaic configuration to cover a large portion of(More)
In this paper, we report a light driven, non-invasive cell membrane perforation technique based on the localized field amplification by a nanosecond pulsed laser near gold nanoparticles (AuNPs). The optoporation phenomena is investigated with pulses generated by a Nd:YAG laser for two wavelengths that are either in the visible (532 nm) or near infrared(More)
A plasmon waveguide resonance (PWR) sensor is designed, fabricated, and tested for self-referenced biosensing. The PWR sensor is able to support two different polarizations, TM and TE. The TM polarization has a large sensitivity to variations in the background refractive index while the TE polarization is more sensitive to the surface properties. The(More)
Light-assisted manipulation of cells to control membrane activity or intracellular signaling has become a major avenue in life sciences. However, the ability to perform subcellular light stimulation to investigate localized signaling has been limited. Here, we introduce an all optical method for the stimulation and the monitoring of localized Ca(2+)(More)
In this paper, we present the development of a nanoswitch-based electrochemical surface plasmon resonance (eSPR) transducer for the multiplexed and selective detection of DNA and other biomolecules directly in complex media. To do so, we designed an experimental set-up for the synchronized measurements of electrochemical and electro-plasmonic responses to(More)