Development Of Soft Sensors For Monitoring Of Chinese Hamster Ovary Cell Processes
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| Author | : Robert Gustavsson |
| Publisher | : Linköping University Electronic Press |
| Total Pages | : 71 |
| Release | : 2018-10-31 |
| Genre | : |
| ISBN | : 9176852075 |
In the manufacture of bio-therapeutics the importance of a well-known process is key for a high product titer and low batch to batch variations. Soft sensors are based on the concept that online sensor signals can be used as inputs to mathematical models to derive new valuable process information. This information could then be used for better monitoring and control of the bioprocess. The aim of the present thesis has been to develop soft sensor solutions for upstream bioprocessing and demonstrate their usefulness in improving robustness and increase the batch-to-batch reproducibility in bioprocesses. The thesis reviews the potential and possibilities with soft sensors for use in production of bio-therapeutics to realize FDA´s process analytical technology (PAT) initiative. Modelling and hardware sensor alternatives which could be used in a soft sensor setup are described and critically analyzed. Different soft sensor approaches to control glucose feeding in fed-batch cultures of Escherichia coli are described. Measurements of metabolic fluxes and specific carbon dioxide production was used as control parameters to increase product yield and decrease the variability of produced recombinant proteins. Metabolic heat signals were used in uninduced cultures to estimate and control the specific growth rate at a desired level and thereby also estimate the biomass concentration online. The introduction of sequential filtering of the signal enabled this method to be used in a down-scaled system. The risk and high impact of contaminations in cell cultures are also described. An in situ microscope (ISM) was used as an online tool to estimate cell concentration and also to determine cell diameter size which enabled the detection of contaminant cells at an early stage. The work presented in this thesis supports the idea that soft sensors can be a useful tool in the strive towards robust and reliable bioprocesses, to ensure high product quality and increased economic profit.
| Author | : Christian Larroche |
| Publisher | : Elsevier |
| Total Pages | : 852 |
| Release | : 2016-09-17 |
| Genre | : Science |
| ISBN | : 0444636749 |
Current Developments in Biotechnology and Bioengineering: Bioprocesses, Bioreactors and Controls provides extensive coverage of new developments, state-of-the-art technologies, and potential future trends, reviewing industrial biotechnology and bioengineering practices that facilitate and enhance the transition of processes from lab to plant scale, which is becoming increasingly important as such transitions continue to grow in frequency. Focusing on industrial bioprocesses, bioreactors for bioprocesses, and controls for bioprocesses, this title reviews industrial practice to identify bottlenecks and propose solutions, highlighting that the optimal control of a bioprocess involves not only maximization of product yield, but also taking into account parameters such as quality assurance and environmental aspects. - Describes industrial bioprocesses based on the reaction media - Lists the type of bioreactors used for a specific bioprocess/application - Outlines the principles of control systems in various bioprocesses
| Author | : Carl-Fredrik Mandenius |
| Publisher | : MDPI |
| Total Pages | : 160 |
| Release | : 2021-09-01 |
| Genre | : Science |
| ISBN | : 3036511504 |
This book is devoted to new developments in measurement technologies for upstream and downstream bioprocessing. The recent advances in biotechnology and bioprocessing have generated a number of new biological products that require more qualified analytical technologies for diverse process analytical needs. These includes especially fast and sensitive measurement technology that, early in the process train, can inform on critical process parameters related to process economy and product quality and that can facilitate ambitions of designing efficient integrated end-to-end bioprocesses. This book covers these topics as well as analytical monitoring methods based either on real-time or in-line sensor technology, on simple and compact bioanalytical devices, or on the use of advanced data prediction methods.
| Author | : Ralf Pörtner |
| Publisher | : Springer Nature |
| Total Pages | : 497 |
| Release | : 2024-02-11 |
| Genre | : Science |
| ISBN | : 3031456696 |
This volume “Cell Engineerring 11 - Biopharmaceutical Manufacturing: Progress, Trends and Challenges” is a source of the latest innovative research and technical development in biomanufacturing systems. It is organised into 2 parts: 1) Manufacturing of recombinant therapeutic proteins (e.g. therapeutic antibodies, biosimilars/biogenerics) and 2) Manufacturing aspects of cell and gene therapy. Each with selected chapters on the following topics for both up- and downstream, such as: Advanced process strategies, especially continuous manufacturing, Advanced culture techniques, especially single-use systems, Process transfer, scale-up/scale-down models, Processing advances/Manufacturing productivity/efficiency, Model-assisted process understanding and development/Digital Twins, Process controls and analytics, Quality control, Quality by design, Facility design and full-scale commercial systems, manufacturing technology innovation. The book comprises contributions of experts from academia and industry active in the field of cell culture development for the production of recombinant proteins, cell therapy and gene therapy, with consideration of Digital Twin ́s and facility design. The knowledge and expertise of the authors cover disciplines like cell biology, engineering, biotechnology and biomedical sciences. Inevitably, some omissions will occur in the test, but the authors have sought to avoid duplications by extensive cross-referencing to chapters in other volumes of this series and elsewhere. We hope the volume provides a useful compendium of techniques for scientists in industrial and research laboratories active in this field.
| Author | : Ashok Pandey |
| Publisher | : Elsevier |
| Total Pages | : 523 |
| Release | : 2022-08-18 |
| Genre | : Technology & Engineering |
| ISBN | : 0323984835 |
Advances in Bioprocess Engineering, the latest release in the Current Developments in Biotechnology and Bioengineering series, provides a comprehensive overview of bioprocess systems, kinetics, bioreactor design, batch and continuous reactors and introduces key principles that enable bioprocess engineers to engage in analysis, optimization and design with consistent control over biological and chemical transformations. The bioprocessing sector is also updating its technologies with state-of-the art techniques to keep up with the rising demand of the industry and R&D. This book covers these aspects, taking readers through a step-by-step journey of bioprocessing while also guiding them towards a new era and future. - Covers state-of-the-art, technological advancements in the field of bioprocessing - Includes design and scale-up of bioreactors, monitoring and control systems, advances in upstream and downstream processing - Includes design and development of fermentation processes such as the suitability of experimental design, full factorial, central composite design, Box-Behnken, Plackett-Burman, and more
| Author | : Pablo A. López Pérez |
| Publisher | : John Wiley & Sons |
| Total Pages | : 293 |
| Release | : 2020-06-08 |
| Genre | : Technology & Engineering |
| ISBN | : 1119295998 |
Closes the gap between bioscience and mathematics-based process engineering This book presents the most commonly employed approaches in the control of bioprocesses. It discusses the role that control theory plays in understanding the mechanisms of cellular and metabolic processes, and presents key results in various fields such as dynamic modeling, dynamic properties of bioprocess models, software sensors designed for the online estimation of parameters and state variables, and control and supervision of bioprocesses Control in Bioengineering and Bioprocessing: Modeling, Estimation and the Use of Sensors is divided into three sections. Part I, Mathematical preliminaries and overview of the control and monitoring of bioprocess, provides a general overview of the control and monitoring of bioprocesses, and introduces the mathematical framework necessary for the analysis and characterization of bioprocess dynamics. Part II, Observability and control concepts, presents the observability concepts which form the basis of design online estimation algorithms (software sensor) for bioprocesses, and reviews controllability of these concepts, including automatic feedback control systems. Part III, Software sensors and observer-based control schemes for bioprocesses, features six application cases including dynamic behavior of 3-dimensional continuous bioreactors; observability analysis applied to 2D and 3D bioreactors with inhibitory and non-inhibitory models; and regulation of a continuously stirred bioreactor via modeling error compensation. Applicable across all areas of bioprocess engineering, including food and beverages, biofuels and renewable energy, pharmaceuticals and nutraceuticals, fermentation systems, product separation technologies, wastewater and solid-waste treatment technology, and bioremediation Provides a clear explanation of the mass-balance–based mathematical modelling of bioprocesses and the main tools for its dynamic analysis Offers industry-based applications on: myco-diesel for implementing "quality" of observability; developing a virtual sensor based on the Just-In-Time Model to monitor biological control systems; and virtual sensor design for state estimation in a photocatalytic bioreactor for hydrogen production Control in Bioengineering and Bioprocessing is intended as a foundational text for graduate level students in bioengineering, as well as a reference text for researchers, engineers, and other practitioners interested in the field of estimation and control of bioprocesses.
| Author | : |
| Publisher | : Elsevier |
| Total Pages | : 4876 |
| Release | : 2019-07-17 |
| Genre | : Science |
| ISBN | : 0444640479 |
Comprehensive Biotechnology, Third Edition, Six Volume Set unifies, in a single source, a huge amount of information in this growing field. The book covers scientific fundamentals, along with engineering considerations and applications in industry, agriculture, medicine, the environment and socio-economics, including the related government regulatory overviews. This new edition builds on the solid basis provided by previous editions, incorporating all recent advances in the field since the second edition was published in 2011. Offers researchers a one-stop shop for information on the subject of biotechnology Provides in-depth treatment of relevant topics from recognized authorities, including the contributions of a Nobel laureate Presents the perspective of researchers in different fields, such as biochemistry, agriculture, engineering, biomedicine and environmental science
| Author | : Christoph Herwig |
| Publisher | : MDPI |
| Total Pages | : 149 |
| Release | : 2018-03-23 |
| Genre | : Science |
| ISBN | : 3038427454 |
This book is a printed edition of the Special Issue "Hybrid Modelling and Multi-Parametric Control of Bioprocesses" that was published in Bioengineering
| Author | : Sarfaraz Niazi |
| Publisher | : CRC Press |
| Total Pages | : 413 |
| Release | : 2024-04-15 |
| Genre | : Medical |
| ISBN | : 1003860206 |
Since 1972, which marks the invention of recombinant engineering, more than 500 therapeutic proteins have been approved for clinical use. Today, biological drugs constitute almost 70% of all new drugs and have a biological origin. The first edition of this book dealt with biosimilars, and this edition (i.e., the second edition) focuses on new drugs, yet limits to therapeutic proteins. Newer technologies for drug development represent the updated topics in the book and include repur-posing, AI- driven identification of newer designs, novel expression systems, manufacturing using these systems, rapidly changing regulatory pathways, and legal hurdles. This edition discusses how to identify, develop, manufacture, and take multibillion dollar products to market within the shortest possible time. Features: Complete and thorough coverage of the regulatory and technological challenges of developing generic therapeutic proteins Comprehensive, discovery to market, newer technologies, regulatory planning and IP hurdles are included that are not found elsewhere Expanded volume that must be in the hands of every company interested in biological drugs, including the mRNA-based biopharmaceutical companies fast appearing on the market Discusses how to identify, develop, manufacture, and take multibillion dollar products to market in the shortest possible time Renowned author and entrepreneur in the field of drug discovery and production
| Author | : Weichang Zhou |
| Publisher | : Springer |
| Total Pages | : 262 |
| Release | : 2014-01-15 |
| Genre | : Science |
| ISBN | : 3642540503 |
Volumes are organized topically and provide a comprehensive discussion of developments in the respective field over the past 3-5 years. The series also discusses new discoveries and applications. Special volumes are dedicated to selected topics which focus on new biotechnological products and new processes for their synthesis and purification. In general, special volumes are edited by well-known guest editors. The series editor and publisher will however always be pleased to receive suggestions and supplementary information. Manuscripts are accepted in English.
