GMP Laboratory Resources Our Solutions PPD Laboratories GMP Lab GMP Laboratory Resources Industry Best Practices Development Strategies for Cell and Gene Therapy Methods Download this article to read about the reevaluation of bioassay methods due to an increased number of regulatory filings Meeting Extractables and Leachables (E&L) Expectations Explore how to best comply with evolving expectations in the E&L space in this PharmTech issue RECENT PUBLICATIONS FROM PPD LABORATORIES GMP LAB SCIENTISTS Bacterial Endotoxins Testing of Water-insoluble Drug Substances Read more about bacterial endotoxins testing performed by our GMP lab experts Stability Testing of Protein Therapeutics Using Dynamic Light Scattering (DLS) Learn more about our GMP lab’s work with DLS in this BioPharm International issue Particle Size Distribution Profiles Read more about the relationship between red and blue light sources to determine particle size distribution profiles Predicting Extractables and Leachables (E&L) From Container Stoppers Explore how our GMP E&L team uses data from migration kinetics studies Determining Water Content With a Novel Karl Fischer Titration Approach Download this article that outlines a new approach to testing water content in biologics The Limits of Light Obscuration Learn more about light obscuration testing for sub-visible particle quantification in this PharmTech issue GENERAL INFORMATION mRNA Replacement Therapeutics Analytical Capabilities Explore our comprehensive services for mRNA replacement therapeutics