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Monoclonal Antibody Production: Viral Clearance and Host Cell Protein Reduction Using a High Capacity Single-Use Strong Anion Exchange Device

Strong anion exchange (Q) chromatography is an industry standard for polishing purification steps of mAb production. It is a proven technology which removes viruses, and host cell proteins from process feed streams in flow through mode. NatriFlo HD-Q devices adsorbers feature a hydrogel membrane which combines high dynamic binding capacity and salt tolerance to deliver best-inclass performance. This makes it possible to rapidly process large sample volumes using a small disposable device. This article examines the ability of NatriFlo HD-Q…

The Effect of Membrane Selection and Operating Parameters on Sterile Filtration of Hyaluronic Acid

Hyaluronic acid (HA)-based solutions are traditionally difficult to filter, due to their high viscosity. Many users have found sterile filtration of hyaluronic acid solutions very challenging to implement, from both an economical, as well as a practical standpoint. This White Paper evaluates commercially-available sterilizing-grade products for filtration of HA and explains how sterilizing-grade filters can offer a highly efficient, economical solution even under the worst-case bacterial challenge conditions. It outlines how the combination of various properties of HA-based solutions and…

Best Practices For Successful Filter Integrity Testing Using The Water Intrusion Test (WIT) Method

Hydrophobic filter cartridges which utilize sterilizing-grade polyvinylidene fluoride or polytetrafluoroethylene membranes are widely used in the pharmaceutical industry to sterilize compressed air or gases for product contact, as well as acting as sterile tank vents. However, hydrophobic membranes can also make filter integrity testing in situ difficult, as the membrane must be fully wetted prior to testing by the widely accepted integrity test methods of Bubble Point and Forward Flow. The Water Intrusion Test (WIT) is widely accepted within the…

Secondary Packaging: Creating Value with Product Lifecycle Management

with Daniela Guttmann and Susanne Hall Increasing regulatory requirements combined with the market pressure to develop patient-friendly drug delivery systems make product lifecycle management (PLM) a decisive field for today’s pharmaceutical and biotechnology companies. Their strategic service providers also are affected by those conditions. For example, as an internationally operating contract development and manufacturing organization (CDMO), Vetter reports an increasing number of life-cycle management projects with its customers in the past years. Learn more in this white paper from Vetter.…