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Physiological state-specific models in estimation of recombinant escherichia coli fermentation performance

Lookup NU author(s): Dr Mei Feng, Professor Jarka Glassey


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Implementation of advanced control strategies in bioprocesses is often hindered by the lack of on-line measurements reflecting the physiological state of the culture. Although a number of techniques have been used to estimate key variables from data monitored online, these often do not explicitly take into account changes in physiological state and information on many aspects of physiological state that may not be present in on-line data. Here we demonstrate that data obtained from chemical fingerprinting methods, such as pyrolysis mass spectrometry, can be used to identify changes in the physiological state during cultivation. This information can be utilized for the estimation of the physiological state and can enable physiological state-specific-model development for on-line bioprocess control. (C) 2000 John Wiley and Sons, Inc.

Publication metadata

Author(s): Feng M, Glassey J

Publication type: Article

Publication status: Published

Journal: Biotechnology and Bioengineering

Year: 2000

Volume: 69

Issue: 5

Pages: 495-503

ISSN (print): 0006-3592

ISSN (electronic): 1097-0290

Publisher: John Wiley & Sons, Inc.


DOI: 10.1002/1097-0290(20000905)69:5<495::AID-BIT4>3.0.CO;2-M

PubMed id: 10898859


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