Search results Search for: Search Refine your results by duration: Any Under 5 mins Under 20 mins Over 20 mins Sort by: Relevance Views Date Latest Analytical Techniques in Extractable and Leachables Dr. Tom van Wijk, Abbott Healthcare Products BV In contrast to other impurities the control of extractable and leachables is not well defined yet. Currently guidance is provided e.g. by USP and PQRI... 2 years ago | 70 mins Understanding the Propensity of Sequence Variants During Cell Line & Culture... Dr. Lisa Marzilli, Associate Research Fellow and group leader Mass Spectrometry at Pfizer, USA Sequence variants (SVs) are protein isoforms that contain one or more unintended amino acid substitutions. They can arise at a single amino acid site ... 5 years ago | 40 mins More on the Unique Selectivity of Ionic Liquid GC Stationary Phases Len Sidisky Over the years, extensive evaluations of columns manufactured with ionic liquid stationary phases have occurred. Their main strength was discovered to... 5 years ago | 55 mins Tutorial for a better understanding of HILIC Dr. Frank Michel, Analytical & Chromatography Scientific Advisor, Merck KGaA Darmstadt, Germany Interest in chromatography using hydrophilic interaction liquid chromatography (HILIC) has continued to build in recent years. Although HILIC chromato... 4 years ago | 61 mins