VERFAHREN ZUM ABLOESEN VON ZELLKULTUREN VON MIKROTRAEGERN

In order to obtain cell cultures in relatively large quantity, it is necessary to detach the cultures in each case from the microcarriers and transfer them to unoccupied microcarriers. To date this has been carried out intermittently by adding trypsin, which causes detachment of the cells, to a container with colonised microcarriers. A high percentage of the cells detaches rather rapidly and thus remains a long time in the trypsin solution, which has an adverse effect on these cells. In the process, the trypsin solution is passed in a continuous flow process through the container and thus through the microcarriers. Detached cells are therefore immediately flushed out of the container, and the trypsin solution is inactivated and/or separated out after leaving the container. The process can be used for growing cell cultures on microcarriers.