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Wave and undertow bioreactors

are disposable bag bioreactors from Nestlé that are exclusively designed for plant cell cultures with a working volume of up to 100 L. They are dedicated to the wave-mixed bioreactors. The bag filled with the cells and the medium is fixed onto a horizontal platform, one or two ends of which are flexible. Through a periodical up and down-movement of one or two ends of the platform, a wave is induced in the bag, which is responsible for the mixing in the bubble-free surface aeration (see surface aeration) 5.