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Acoustic perfusion process

An acoustic perfusion process using the BioSep typically involves continuous addition of fresh medium to the bioreactor, while cells are filtered from the harvest stream by the resonator chamber and returned to the bioreactor. The BioSep can be directly mounted onto the bioreactor head plate. One standard mode of operation employs, for example, a harvest pump at the exit port of the resonator chamber, and a recirculation pump for the return of separated cells that settled from the acoustic energy field within the resonator chamber. Alternatively the BioSep system can also be set up to allow for semicontinuous operation or alternative strategies of cell recirculation.

Acoustic perfusion is generally applicable for suspended mammalian and animal cell culture, but can also be adopted for anchorage dependent cell lines, or the perfused culture of plant cells. The BioSep separation principle is purely based on gentle, acoustically induced loose aggregation followed by sedimentation. In contrast to other cell separation techniques, the acoustic energy mesh created within the BioSep constitutes “virtual”, thus superior-, non-contact, non-fouling, non-moving filtration means allowing for up to thousands of hours of continuous operation. As a result, greatly increased steady state cell density, productivity, and product quality is obtained.

The Biosep comes in different versions ranging from a capacity of 1L upto 1000L/day, divided over five different models. BioSep is using SonoSep Technology.

All systems can be used in re-circulation mode and in single pass mode.


1L 10L   50L   200L 1000L






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