Device for the analysis of chemical or biochemical specimens, comparative analysis, and associated analysis process

摘要

A device for the chemical or biochemical analysis of biological or chemical samples, notably for a comparative analysis of at least two samples, comprises multiple fractionation micro-columns 2 for the fractionation of sample components, each fractionation micro-column 2 comprising at least a micro-channel 3 segment fitted with intermediate separation means, the micro-channel 3 segment comprising an inlet 3a for the introduction of a sample-enriched mobile phase and an outlet 3b for the evacuation of the fluids and situated at a teminal extremity. The device comprises also capture fluidic means 7 of the fractionated products which are located at a terminal element 9 of each fractionation micro-columns 2 and upstream from the evacuation outlet 3b, capture micro-channels 8 which are used to collect the captured fractionation products and groups of selective micro-cantilevers 13 which are associated with the fractionation micro-columns 2 and situated downstream from the capture micro-channels 8, a micro-cantilever 13 being fitted with detection means which are associated with analytical means.