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A mechanistic analysis of the inoculum requirement for the cultivation of mammalian cells on microcarriers

✍ Scribed by W.S. Hu; J. Meier; D.I.C. Wang

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 180 KB
Volume: 95
Category: Article
ISSN: 0006-3592
DOI: 10.1002/bit.21157

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✦ Synopsis

Abstract

For the cultivation of mammalian cells on microcarriers a minimum inoculum concentration is required to initiate cell attachment and subsequent cell growth. A critical cell number model has been proposed to elucidate the mechanism of the inoculum requirement. In this model it was hypothesized that after inoculation a critical number of cells per microcarrier is required for normal growth to occur; failure to acquire enough cells will impede cell growth. This critical cell number model was expressed mathematically and used to simulate cell distribution and growth on microcarriers under different cultivation conditions. By comparing the simulated growth kinetics with the experimental results, the actual critical cell number per microcarrier was identified. The critical number could be reduced by employing an improved medium for the cultivation. © 2006 Wiley Periodicals, Inc.

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