Application of near‐infrared spectroscopy for monitoring and control of cell culture and fermentation

AE Cervera, N Petersen, AE Lantz… - Biotechnology …, 2009 - Wiley Online Library
Near‐infrared (NIR) spectroscopy can potentially provide on‐line information on substrate,
biomass, product, and metabolite concentrations in fermentation processes, which could be …

Biomass measurement online: the performance of in situ measurements and software sensors

K Kiviharju, K Salonen, U Moilanen… - Journal of industrial …, 2008 - academic.oup.com
Biomass measurement is one of the most critical measurements in biotechnological
processes. The technologies developed for the measurement of biomass in situ have …

Quantitative modeling of viable cell density, cell size, intracellular conductivity, and membrane capacitance in batch and fed‐batch CHO processes using dielectric …

CF Opel, J Li, A Amanullah - Biotechnology Progress, 2010 - Wiley Online Library
Dielectric spectroscopy was used to analyze typical batch and fed‐batch CHO cell culture
processes. Three methods of analysis (linear modeling, Cole–Cole modeling, and partial …

Application of dielectric spectroscopy to unravel the physiological state of microorganisms: Current state, prospects and limits

G Flores-Cosío, EJ Herrera-López… - Applied Microbiology …, 2020 - Springer
Microbial physiology is an essential characteristic to be considered in the research and
industrial use of microorganisms. Conventionally, the study of microbial physiology has …

Influence of dissolved oxygen and shear conditions on clavulanic acid production by Streptomyces clavuligerus

JC Rosa, AB Neto, CO Hokka, AC Badino - Bioprocess and biosystems …, 2005 - Springer
Clavulanic acid (CA), a potent β-lactamase inhibitor, is produced by a filamentous
bacterium. Here, the effect of DO and shear, expressed as impeller tip velocity, on CA …

Detecting cell lysis using viscosity monitoring in E. coli fermentation to prevent product loss

JM Newton, D Schofield, J Vlahopoulou… - Biotechnology …, 2016 - Wiley Online Library
Monitoring the physical or chemical properties of cell broths to infer cell status is often
challenging due to the complex nature of the broth. Key factors indicative of cell status …

Microbial biomass estimation

RE Madrid, CJ Felice - Critical reviews in biotechnology, 2005 - Taylor & Francis
The development of a fully automated on-line monitoring and control system is very
important in bioprocesses. One of the most important parameters in these processes is …

[HTML][HTML] Monitoring and control of E. coli cell integrity

J Kastenhofer, V Rajamanickam… - Journal of …, 2021 - Elsevier
Soluble expression of recombinant proteins in E. coli is often done by translocation of the
product across the inner membrane (IM) into the periplasm, where it is retained by the outer …

Liquid films on shake flask walls explain increasing maximum oxygen transfer capacities with elevating viscosity

H Giese, A Azizan, A Kümmel, A Liao… - Biotechnology and …, 2014 - Wiley Online Library
In biotechnological screening and production, oxygen supply is a crucial parameter. Even
though oxygen transfer is well documented for viscous cultivations in stirred tanks, little is …

Development of an automated ballast water treatment verification system utilizing fluorescein diacetate hydrolysis as a measure of treatment efficacy

AC Akram, S Noman, R Moniri-Javid, JP Gizicki… - water research, 2015 - Elsevier
Methods for verifying ballast water treatments in foreign vessels are needed to protect the
Great Lakes from the discharge of live non-native organisms or pathogens. A prototype …