Apparatus for assaying a biological compound, process for its manufacture and its use in an assay method

THE INVENTION IS TO DEVICE FOR THE DETERMINATION OF ORGANIC COMPOUND, METHOD FOR PRODUCTION AND USE IN ASSAY METHOD. DEVICE COMPRISES TRANSPARENT TUBE 1, SIGNIFICANTLY cylindrical OF CIRCULAR SECTION, AND CLOSES ITS BASE WITH AN INITIAL REACTION ZONE, WHICH IS ENGAGED IN A ROOM AND IMMOBILIZED 5 HAVING LONGITUDINAL fINS 5B, AND A SECOND ZONE B IN WHICH THE INTERNAL AND EXTERNAL SURFACES 1A 1B WALL TUBE ARE WELL CENTERED ANY RELATION TO THE OTHER, WHICH ALLOWS TO DETERMINE DIRECTLY IN THE TUBE OPTICAL CHARACTERISTICS OF A SOLUTION OBTAINED IN ASSAY. USE STRENGTHS immunoassays.