- Parallel flow: experimental work, mathematical study (through finite differences method compare with finite elements method) (software: Matlab) and simulation of this behavior (software: Comsol 3.4 ) - Velocity profile along z-direction in a rectangular duct: experimental work, mathematical study (through finite differences method compare with finite elements method) (software: Matlab) and simulation of this behavior (software: Comsol 3.4) - Slug flow: experimental work, mathematical study (through finite differences method compare with finite elements method) (software: Matlab) and simulation of this behavior (software: Comsol 3.4) - Production of microchannels, different surface modifications in microchannels (hydrophilic, hydrophobic) - Manipulation of different products inside the channels for one efficient method extraction due to different chemical nature: Diffusion and mass transfer: experimental work, mathematical study (through finite differences method compare with finite elements method) (software: Matlab) and simulation of this behavior (software: Comsol 3.4).