Abstract: The invention relates to a device for simultaneously transferring, in both irections, a plurality of quantities of liquids between a first receptacled assembly disposed in a first arrangement and a second receptacled assembly disposed in a second arrangement of different disposition and/or dimensions, said device comprising a plurality of vertical syringes of which the needles are arranged in register with said first receptacled assembly and a connecting assembly comprising on the one hand a plurality of orifices arranged in register with the needles of said syringes and on the other hand a plurality of conduits arranged in register with the receptacles of said second assembly, each of said orifices being connected to one of said conduits. The invention finds particular application in the handling of microdoses of liquids, particularly for biological, serological . . . microtests.

Abstract: A device for examining a plurality of microdoses of liquids by means of a urality of reagents, said device comprising in combination a dispenser for dispensing microdoses of reagents, comprising a plurality of vertical syringes adapted to be controlled simultaneously and arranged in a fixed pattern, a means for filling said syringes with reagents, provided with a plurality of receptacles containing said reagents and arranged in a fixed pattern corresponding to the pattern of said syringes, a receptacled assembly wherein a plurality of reaction receptacles are arranged in a fixed pattern likewise corresponding to the pattern of said syringes, and a dispenser for dispensing microdoses of liquids. The invention finds application in the testing of liquids, particularly in the field of cytology and immuno-haematology.