Homogenization of tough biological secretions or tissue pieces

Sometimes the preparation and homogenization of biological samples can be as tough as the material itself. The widely used 2 ml single-use Eppendorf tubes are often not large enough to accommodate the whole sample volume; hence, the sample needs to be divided and reunited after the homogenization process which means an additional time-consuming working step in the lab routine. While it is true that usually larger sized grinding jars, e. g. of stainless steel, are available which accommodate the complete sample volume, these have the drawback of requiring cleaning after use.

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