Viewing posts categorised under: Application Notes

Optimal Drying of HPLC Fractions

by in Application Notes, BPS News

Part 2 Even though mixtures of water/ACN alone may not bump, the addition of actual compounds sometimes changes this. Bumping is preventable by employing a controlled vacuum ramp to the centrifugal evaporator when initially pumping down, and increasing the centrifugal force to greater than 450G....Read more

Common Misconceptions in Freeze Drying – Part 2

by biopharma-admin in Application Notes, BPS News, BPS Right Sidebar Content

May 2013 Freeze drying (lyophilisation) is a stabilisation method that is widely used in the pharmaceutical industry for drugs, vaccines, antibodies and other biological material. Freeze drying can be a complex process to manage effectively but despite improvements in analytical and process sc...Read more

Common Misconceptions in Freeze Drying: Part 1

by biopharma-admin in Application Notes, BPS News, BPS News Cat 1, BPS Right Sidebar Content

March 2012 Freeze drying can be a complex process to handle effectively but despite improvements in analytical and process science a number of misconceptions persist. Below we look at a selection of those we encounter most often. 1.  Colder condenser temperatures mean faster freeze drying It...Read more