Articles techniques et présentations

The development of microfluidic components for implementation of a lab-on-chip system requires both fluid movements under a controlled environment as well as sensitive detection. This work involves the design and simulation of micro-reactors with integrated heating as well as optical ... En savoir plus

An attempt is made to study the gaseous flow in Resistive Plate chambers(RPCs)- A gaseous detector used in experimental physics for detection of particle behaviours. The present study is based on two phase laminar flow analysed through two methods(conservative Level-Set and Phase field ... En savoir plus

Microarrays are extensively used in modern biology as tools of multiplexed, high throughput analysis to study thousands of genes and their expression inside cells at once [1]. The basic principle of a microarray is quantitative detection of fluorophore tagged DNA. Use of this method ... En savoir plus

The electronic wheel detector is a device that has been widely used at SNCF Company for train passage detection, which constitutes a primary task in coordination of trains' signalization. The detectors have been deployed in the company for at least three decades; however, some trouble ... En savoir plus

Ultra-cold atom systems are excellent probes for various physical properties such as gravity, rotations or magnetic and electric fields. An integrated for solution for this technology is the atom chip, which uses magnetic fields in order to trap and manipulate ultra-cold atomic systems. ... En savoir plus

MEMS sensors exhibit rapid response with minimum sample volume at higher sensitivities. This makes them suitable for detection of Micro/nanoparticles and can also use to monitor their physical process at that scales. Micro-cantilevers based sensing is widely used in the detection of mass ... En savoir plus

This work computationally characterizes a new bipolar electrochemical sensing scheme recently developed for inexpensive detection of heavy metals in water. The sensing scheme employs a two-step optical anodic strip voltammetry protocol that couples a closed bipolar electrochemical cell ... En savoir plus

Composite systems are becoming more and more widespread across industries and the capability to finding and tracking internal defects before they have grown to major deterioration is of paramount importance in regard to safety, economy and maintenance. We are exploring a novel method of ... En savoir plus

Surface enhance Raman spectroscopy (SERS) capacitates applications in chemical and biological sensing and detection. It provides highly-sensitive sensing tool able to detect even at single molecule level. Therefore, large-scale fabrication of SERS substrates becomes an increasing ... En savoir plus

Grating couplers are a common optical component for introducing light into chip-based photonic structures. They are used extensively for optical interconnects and optical device integration. A microfluidic diffraction grating coupled waveguide (MDGCW) biosensor applies a grating coupler ... En savoir plus