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Bioreactor Design and Operational System01:29

Bioreactor Design and Operational System

Bioreactors are engineered vessels designed to cultivate microorganisms under controlled conditions for industrial bioprocessing. They maintain sterility and allow precise regulation of pH, temperature, oxygen, and nutrient levels to optimize microbial growth and metabolite production. Bioreactors range from small laboratory units of 1 liter to industrial systems holding up to 500,000 liters, though only about 75% of their volume is actively used for fermentation. The remaining headspace...
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Bioreactor Controls-I

Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly monitored using...
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Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
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Upstream processing represents a critical phase in biomanufacturing, wherein biological systems such as microorganisms, mammalian cells, or insect cells are cultivated to produce therapeutic proteins, vaccines, enzymes, or other biologically derived products. This phase encompasses all steps from the selection and genetic manipulation of the production organism to the cultivation of cells in bioreactors under tightly controlled environmental conditions.Host Selection and Genetic OptimizationThe...
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Downstream processing begins once fermentation is complete and involves a series of steps to recover and purify products such as acids, vitamins, antibiotics, or proteins.Cell HarvestingFor example, for intracellular protein-based products, the first step is harvesting the cells. This is typically achieved using centrifugation or filtration to separate the cells from the liquid phase.Cell Disruption for Intracellular ProductsIf the target product is intracellular, the harvested cells must be...

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Related Experiment Video

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PTR-ToF-MS Coupled with an Automated Sampling System and Tailored Data Analysis for Food Studies: Bioprocess Monitoring, Screening and Nose-space Analysis
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Process Analytical Technologies - Advances in bioprocess integration and future perspectives.

Gabriella Gerzon1, Yi Sheng2, Marina Kirkitadze3

  • 1Department of Biology, Faculty of Science, York University, Toronto, Canada; Analytical Sciences, Sanofi Pasteur, Toronto, Canada.

Journal of Pharmaceutical and Biomedical Analysis
|October 4, 2021
PubMed
Summary

Process Analytical Technology (PAT) instruments optimize pharmaceutical manufacturing by integrating sensors and data analysis for real-time process control. This review explores PAT applications, benefits, and challenges in vaccine production for improved quality and efficiency.

Keywords:
BiologicsPharmaceuticalsProcess Analytical Technology (PAT)Vaccines

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Area of Science:

  • Pharmaceutical Manufacturing
  • Biotechnology
  • Process Control

Background:

  • Process Analytical Technology (PAT) involves analyzers measuring physical and chemical parameters for process optimization.
  • PAT integrates sensors and computing for chemometric modeling and statistical process control.
  • PAT aims to understand bioprocesses for quality control and Quality by Design (QbD).

Purpose of the Study:

  • To review PAT applications in vaccine manufacturing.
  • To discuss the advantages and current challenges of PAT implementation.
  • To outline future developments for PAT in biopharmaceutical industries.

Main Methods:

  • Review of literature on PAT applications in biopharmaceutical manufacturing.
  • Analysis of PAT's role in optimizing process controls and quality.
  • Examination of challenges and future trends in PAT for vaccine production.

Main Results:

  • PAT enables real-time monitoring and control of vaccine manufacturing processes.
  • Implementation of PAT can lead to reduced cycle times and production costs.
  • PAT facilitates achievement of Quality by Design (QbD) principles.

Conclusions:

  • PAT is crucial for enhancing efficiency and quality in vaccine production.
  • Addressing current challenges will further unlock PAT's potential in biopharmaceuticals.
  • Future developments in PAT promise advanced process understanding and control.