Search results for "filtration" in Articles / App Notes
Article
Automated harvesting and 2-step purification of unclarified mammalian cell-culture broths containing antibodies
The system consists of two bench-top chromatography instruments connected to a central unit with eight disposable filtration devices used for loading and filtering the cell cultures. The staggered par…
Article
Aseptic Processing: Keeping it Safe
Normally, these would be filtered out, but can [still] result in high prefiltration bioburden levels.”
Future GMP initiatives should focus on the minimization of human intervention in the aseptic …
Article
Advanced Technologies Facilitate Scale-up and Technology Transfer
He adds that better-designed model bioreactor, chromatography, and filtration systems are allowing for even smoother scale-up and tech-transfer operations.
Raw material choices are also being adju…
Article
Technologies and Practices Must Evolve to Meet Demand
Chromatography systems, filtration, and centrifuges received marks of “excellent” from more than 20% of the respondents (Table I). Sampling systems, single-use systems, and sterile sampling received “…
Article
Concentration and Diafiltration of Cell-Derived, Live Influenza Virus Using 750 C Hollow Fiber Filter Cartridge
In contrast to normal flow (dead-end) filtration (NFF), the feed is recirculated over a permeable membrane surface (cross flow).This application note describes the performance of GE HealthcareLife Sci…
Article
Evolution of the Monoclonal Antibody Purification Platform
• Virus filtration step is the method of choice as another orthogonal step for virus removal.
Major Adaptations to the mAb Platform
Use of multiple washes in Protei…
Article
Overview of a scale-up of a cell-based influenza virus production process using ReadyToProcess equipment
Cell debris was removed in the first microfiltration step using ULTA Prime GF 2 μm and 0.6 μm normal flow filters, followed by host cell DNA removal using a ReadyToProcess Capto™ Q chromatography colu…
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A Look Ahead at BioPharma Manufacturing and Regulation
Studies are ongoing on sterilizing filtration, effects of terminal sterilization energies on classes of products, and methods for detection of elusive microorganisms in drug components and manufacturi…
Article
Addressing the Challenges in Downstream Processing Today and Tomorrow
Concentrations above 250 g/L have been achieved using ultrafiltration at elevated temperatures (14) and over 500 g/L using a wet-ultrafiltration membrane evaporation method (15) (see Figure 2).
A s…
Article
Selected courses from cell culture and downstream process development to scale-up and manufacturing
Examples of available free of charge eLearning courses:
What is quality by design (QbD)?
Principles of cell line development
Bioreactor scaling
Filtration in bioprocessin…