Controlling Cell Culture pH in Bioreactors

Controlling cell culture pH in bioreactors is critical to successful manufacturing. Most culture needs to be maintained in a specific narrow range of pH for maximum productivity. Typical pH range during bioproduction is 7.0± 1.0. Several factors affect pH including temperature, cell growth, lactic acid, and CO2 levels. Maintaining cell culture pH within the preferred range can be very challenging with several factors that need to be balanced and controlled through the use of buffers, the addition of base solution and the sparging of nitrogen. To better understand the complicated dynamics behind pH management, please see the video below titled, “Impact of pH on Cell Culture in Bioreactors.”

impact-of-ph-on-cell-culture-in-bioreactors

The Keck Graduate Institute and WuXi Biologics have teamed together to provide technical training videos called Two Minute Tuesday videos for the bioprocessing industry.  They will deliver a new video topic every Tuesday that can quickly get you up-to-speed in understanding the complexities of biologics drug development and manufacturing.

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