Virus filtration: A review of current and future practices in bioprocessing

SA Johnson, S Chen, G Bolton, Q Chen… - Biotechnology and …, 2022 - Wiley Online Library
For drug products manufactured in mammalian cells, safety assurance practices are needed
during production to assure that the final medicinal product is safe from the potential risk of …

Virus filtration in biopharmaceutical downstream processes: key factors and current limitations

D Suh, M Kim, C Lee, Y Baek - Separation & Purification Reviews, 2024 - Taylor & Francis
Virus clearance, a critical aspect of biopharmaceutical manufacturing processes, ensures
the safety of biopharmaceutics. Virus filtration is widely used during biopharmaceutical …

An updated analysis of viral clearance unit operations for biotechnology manufacturing

OO Ajayi, SA Johnson, T Faison, N Azer… - Current Research in …, 2022 - Elsevier
Viral contamination is a potential risk of using biotechnology products derived from
mammalian cell lines. Therefore, to provide assurance of the safety of these products …

[HTML][HTML] Mechanistic insights into flow-dependent virus retention in different nanofilter membranes

R Leisi, E Widmer, B Gooch, NJ Roth, C Ros - Journal of Membrane …, 2021 - Elsevier
Virus filtration is a downstream unit operation in the manufacturing of biotherapeutics to
remove potential viral contaminations based on size exclusion. While even very small …

Virus breakthrough behavior during virus filtration: Effects of virus/protein concentration and operating conditions

D Suh, H Jin, C Lee, Y Baek - Biochemical Engineering Journal, 2023 - Elsevier
Virus filtration in biopharmaceutical downstream process ensures viral safety with removal
efficiency greater than 99.99%. Despite its robust performance, it has been reported that …

Residence time distribution in continuous virus filtration

YC Chen, G Recanati, F De Mathia… - Biotechnology and …, 2024 - Wiley Online Library
Regulatory authorities recommend using residence time distribution (RTD) to address
material traceability in continuous manufacturing. Continuous virus filtration is an essential …

Viral clearance in end‐to‐end integrated continuous process for mAb purification: Total flow‐through integrated polishing on two columns connected to virus filtration

H Shirataki, Y Matsumoto, F Konoike… - Biotechnology and …, 2023 - Wiley Online Library
There are few reports of the adoption of continuous processes in bioproduction, particularly
the implementation of end‐to‐end continuous or integrated processes, due to difficulties …

[HTML][HTML] Visualizing protein fouling and its impact on parvovirus retention within distinct filter membrane morphologies

R Leisi, I Rostami, A Laughhunn, J Bieri… - Journal of Membrane …, 2022 - Elsevier
Virus filtration is considered an effective and robust method to remove viral contaminants
that may enter the manufacturing process of biotherapeutics. However, insights into the …

Factors affecting robustness of anion exchange chromatography: Selective retention of minute virus of mice using membrane media

ST Chen, W Xu, K Cai, G Ferreira… - … of Chromatography B, 2022 - Elsevier
Mobile and stationary phase factors were investigated in order to identify conditions for
effective capture of minute virus of mice (MVM), a potential adventitious contaminant in …

Virus retention during constant-flux virus filtration using the Viresolve® Pro membrane including process disruption effects

J Peles, B Cacace, C Carbrello, S Giglia… - Journal of Membrane …, 2024 - Elsevier
The growing interest in process intensification and continuous processing has led to
concerns regarding the performance of virus removal filters at low permeate fluxes. This …