| 摘要 |
A method for preparing biological samples by means of a series of different liquids containing preparation agents in a chamber is provided. The chamber comprises a first and a second opening for supplying and removing liquid to and from the chamber. The chamber is brought into a first position, in which the first opening is located above the second opening when the liquid to be introduced into the chamber has a lower density than the liquid in the chamber. The chamber is brought into a second position, in which the first opening is located below the second opening when the liquid to be introduced into the chamber has a higher density than the liquid in the chamber.
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