High-Resolution Optical and Dielectric Methods Monitoring Cells in Bioprocesses
19th October 2020 | 10:00 am EST | Michael Butler, PhD, CSO, Cell Technology, National Institute for Bioprocessing Research and Training (NIBRT) |WATCH FOR FREE
The metabolic state of mammalian cells in a bioprocess can be monitored by high-resolution optical systems or by changes in dielectric properties. Each method can determine a metabolic inflection points just prior to loss of cell viability. Such changes can be observed up to 20h before cells stain with trypan blue. We have established a threshold of cytoplasmic conductivity below which cells cannot be recovered from apoptosis. This point occurs at a time when there are observable changes in the cell membrane that can be detected by high-resolution optics. This early detection of metabolic changes allows dielectrics and high-resolution optics to be offered as a means of monitoring a bioprocess and maintaining cell viability over prolonged time periods.
Presented by Michael Butler, PhD, CSO, Cell Technology, National Institute for Bioprocessing Research and Training (NIBRT)
Michael Butler is a Principal Investigator in Cell Technology at the National Institute of Bioprocessing Research & Training (NIBRT), Ireland, Adjunct Full Professor in University College Dublin as well as Distinguished Professor Emeritus of the University of Manitoba, Canada. He holds degrees in Chemistry and Biochemistry from the Universities of Birmingham, London (UK) and Waterloo (Canada). He was the scientific director of MabNet, a Canadian network for Mab production and founder of Biogro Technologies Inc., a spin-off company dedicated to serum-free media development. His research work focuses on the development of bioprocesses using mammalian cells for the production of recombinant proteins, monoclonal antibodies and viral vaccines.