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Use of lactate dehydrogenase release to assess changes in culture viability

✍ Scribed by A. J. Racher; D. Looby; J. B. Griffiths

Publisher: Springer
Year: 1990
Tongue: English
Weight: 486 KB
Volume: 3
Category: Article
ISSN: 0920-9069
DOI: 10.1007/bf00365494

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✦ Synopsis

This study reports the use of lactate dehydrogenase release to monitor changes in culture viability in flask culture and fixed bed, porosphere bioreactor systems. Lactate dehydrogenase release shows good agreement with increase in non-viable cell numbers and decline in glucose utilisation in flask cultures. Studies with the immobilised system show that lactate dehydrogenase release can detect loss of viability which is not always indicated by a decrease in glucose utilisation. The data show that culture viability in a repeated-feed-and-harvest system is influenced markedly by both a) the medium change regime itself and b) the use of an immobilised bioreactor compared to a flask system for the same medium change regime.

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