Patent ID: 8317389

Claim:
A microtiter plate ( 1 ), comprising a plurality of receptacles ( 2 ), located side by side, for receiving substances to be mixed and/or stirred and examined, and having stirring elements, and one of the stirring elements is located in individual ones of the receptacles or all the receptacles above their base ( 4 ), and having a drive mechanism ( 5 ) for the stirring elements, the bases ( 4 ) of the receptacles ( 2 ) in the microtiter plate ( 1 ) are resilient and/or deformable; and as the stirring element, a stirring rod ( 3 ) at least one of joined to the respective base ( 4 ) or penetrating the respective base ( 4 ) is provided, a first portion ( 3 a ) of the stirring rod ( 3 ) extends from the base ( 4 ) of the receptacle ( 2 ) into an interior thereof and a second portion ( 3 b ) of the stirring rod ( 3 ) extends from the base ( 4 ) to outside the receptacle ( 2 ); and in a position for use, the second portion ( 3 b ), located outside the receptacle ( 2 ), of the stirring rod ( 3 ) is acted upon by the drive mechanism ( 5 ).