A PROCESS AND A DEVICE FOR IMPROVED OXYGENATION OF BIOLOGICAL CULTURES

摘要

A process for the oxygenation of a biological culture (2) such as a mammalian cell culture comprises mechanical stirring of the culture in a closed vessel (1) and is characterized in that oxygen is supplied to the culture through oxygen-permeable membranes carried by the stirrer (3). A mechanical stirrer (3) is characterized in that it carries an oxygen-permeable membrane (9a, 9b, 9c), and a reaction vessel for such cultures is characterized in that it is provided with at least one mechanical stirrer (3) having oxygen-permeable membranes (9a, 9b, 9c).