The Purification Insights Blog

QuickTip #5: Filter everything

Posted by The Bio-Works Team on Nov 26, 2019 11:45:00 AM

Filtering is crucial in order to protect the packed column from all solid particles in feeds or eluents. Clogging of the column will increase back-pressure and disturb the feed loading zone causing reduced resolution and it is a common problem...

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Topics: Quick Tips, Tips and Tricks, Ion exchange chromatography, IEX, Resin fouling, IMAC, Filter, SEC

Join the effort to make chromatography sustainable

Posted by The Bio-Works Team on Nov 8, 2019 9:15:00 AM

The environmental impact of pharmaceutical R&D and production is considerable. Although the industry is rather conservative and also constrained by regulatory guidelines, there is increasing interest in the implementation of sustainable practices that not only improve corporate social responsibility (CSR) performance but also reduce costs and increase efficiency. This effort is embodied in the concept of Green Chemistry and includes reducing the use of toxic solvents in production and purification, which is a considerable problem. Solutions include recycling and the use of upstream protective columns that remove bioburden to increase the life-cycle of columns used downstream, or even make certain solvent-consuming steps redundant altogether.

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Topics: guard column, Biologics, Biopharmaceuticals, Cleaning in place, Resin fouling, RPC, orthogonal

Improved peptide purification promises to boost process efficiency in the race to affordable insulin in China

Posted by The Bio-Works Team on May 29, 2019 9:57:45 AM

The global diabetes pandemic has created a massive demand for insulin, especially in China, which is expected to soon have half the world’s diabetes patients. Meeting this demand means developing extremely efficient production methods that can supply affordable insulin with high purity. A promising approach is to add an orthogonal step upstream the main reverse-phase chromatography (RPC) peptide purification to increase purity and also guard the expensive high-performance RPC columns from bioburden and stringent cleaning-in-place procedures.

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Topics: Biopharmaceuticals, Peptides, Peptide drugs, Cleaning in place, Resin fouling, RPC

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