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•Article: Scaling Up From Spinners, T-Flasks And Shakers: A Versatile Bioreactor For Mammalian & Microbial Cells

By Chris Julien

Scaling up from spinners, T-flasks or shakers to a bioreactor system enables the researcher to reap the benefits of saving time. As an example of the typical savings one could expect, a single 5-L bioreactor has been shown to produce the equivalent amount of hybridoma cells as 150 250-mL T-flasks. Moreover, a bioreactor requires only one laboratory technician and less than 2 ft of bench space for operation. The most significant decision when scaling up rests in selecting the equipment best suited to the user's needs. Several factors must be considered, including the amount of product required (milligram or gram quantities); whether the end goal is the biomass itself or the products produced as a result of the culture; and whether the process uses an animal or microbial cell line, since the culture requirements and therefore the reactor design are inherently different for each.

This article focuses on the third factor, providing an overview of the most important differences between microbial culture and mammalian cell culture requirements, as well as describing a single reactor system capable of handling the varied needs of both.

Reprinted with permission from American Biotechnology Laboratory.

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•Article: Scaling Up From Spinners, T-Flasks And Shakers: A Versatile Bioreactor For Mammalian & Microbial Cells

SOURCE: Eppendorf, Inc