Journal
PROCESSES
Volume 10, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/pr10020189
Keywords
sensors; cell culture; spectroscopy; PAT; smart biomanufacturing; bioprocess; monitoring; soft-sensor
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The growing biopharmaceutical industry has enabled the monitoring of key variables for process characterization and outcome predictions. Technological innovation in sensing technologies allows for continuous online monitoring of quality attributes, leading to improved process control and outcome prediction. This paper reviews state-of-the-art sensing technologies and their applications in cell culture monitoring, emphasizing the push towards industry 4.0 and smart manufacturing in the biopharmaceutical sector.
The growing biopharmaceutical industry has reached a level of maturity that allows for the monitoring of numerous key variables for both process characterization and outcome predictions. Sensors were historically used in order to maintain an optimal environment within the reactor to optimize process performance. However, technological innovation has pushed towards on-line in situ continuous monitoring of quality attributes that could previously only be estimated off-line. These new sensing technologies when coupled with software models have shown promise for unique fingerprinting, smart process control, outcome improvement, and prediction. All this can be done without requiring invasive sampling or intervention on the system. In this paper, the state-of-the-art sensing technologies and their applications in the context of cell culture monitoring are reviewed with emphasis on the coming push towards industry 4.0 and smart manufacturing within the biopharmaceutical sector. Additionally, perspectives as to how this can be leveraged to improve both understanding and outcomes of cell culture processes are discussed.
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