Downstream Processing

Membrane-based TFF technology can ease scale-up and provide a higher recovery percentage compared to conventional purification methods.

Automated in-line dilution can help solve capacity, financial, and quality concerns that biopharmaceutical manufacturing plants may be facing.

It is now possible to combine antigens with specific adjuvant systems to create more effective vaccines.

Needle-free vaccine delivery platforms can solve the problems of stockpiling, cold-chain management, and pandemic preparedness.

To assess current trends in separation and purification, BioPharm International turned to Mandar Dixit, head of product management?filtration technologies, Sartorius Stedim Biotech; Günter Jagschies, senior director of strategic customer relations, life sciences, biotechnologies, GE Healthcare; Richard Pearce, program director of purification, Millipore Corporation; and Jon Petrone, global technical director, Pall Life Sciences.

A stable alternative to Protein A chromatography.

Why staining is crucial in flow decay studies.

Select the best approach to determine critical quality attributes.

Through metabolomics, the metabolic underpinnings of cellular changes can be rapidly pinpointed, directing process development scientists to key areas for cell culture optimization.

By considering stability as part of the cell line selection and cell banking paradigm, we can ensure that instability problems are not observed during clinical or commercial manufacturing.

ACF medium sped up cell-line development.

Microbial systems such as E. Coli and yeasts are most effective for producing antibody fragments.

How to maintain product stability and prevent particulates.

A prove-free system monitors accurately at very small scale.

Biodefense start-up companies have an abundance of options when seeking funding.

Can increase in ionic strength result in higher viscosity?

The future of therapeutic MAbs lies in the development of economically feasible downstream processes.

Altering the order of operations, using new resins, and increasing dynamic binding capacity can obviate the need for major facilty changes.

A purification scheme to maximize the efficiency of the purification process and product purity while minimizing the development time for early-phase therapeutic antibodies.

In three non-affinity purification processes based on cation exchange capture with high binding capacity, applying a host cell protein exclusion strategy enabled robust scale up and better economics.

New techniques can greatly improve the MAb purification process.

The future of therapeutic MAbs lies in the development of economically feasible downstream processes.

Robust packing procedures can improve process performance and increase resin lifetime.

A close-up look at Pfizer's biotherapeutics plant in Shanbally, Ireland.

Data on the performance and variability of different formats.

With virus-based production, vaccines can be available in 10-12 weeks.

The disadvantages of the traditional vaccine regime (prime plus boost) have spurred the development of single-shot vaccines. This article describes the development and manufacture of a prototype single-shot vaccine that uses microspheres made from cross-linked modified dextran polymers for controlled release of the antigen.

This article discusses the potential of MIS416 adjuvant, a vaccine adjuvant and immunogen co-delivery system, to provide adequate immunostimulation to overcome host factors that may limit the success of therapeutic vaccines.

Understanding the relationship between the process and CQAs.

A new method for MAb purification.