Abstract: Single tube preparations include a panel of differently labeled serologically relevant blood cells for blood serology, and methods for preparing the present single tube preparations. Use of the present single tube preparations for blood serology and to methods for serologically characterizing an individual in need of a blood transfusion, a blood donor or for preventive serologically characterizing an individual, such as a pregnant woman. The single tube preparations and methods are especially suited for automation and high-through put blood serology.

Abstract: Seismic acquisition apparatus comprising a plurality of detectors (s1, s2, etc.) each constituted by one or more seismic sensors, combiner means which generate at least one seismic trace corresponding to a group of detectors by combining the signals output thereby, and memory means for storing the seismic traces generated in this way, the apparatus being characterized in that it includes seismic preprocessor means (&mgr;P1, &mgr;P2, etc.) for re-phasing the signals output by the detectors prior to the signals being combined and/or prior to accidental noise on said signals being eliminated.