What’s Light Got to Do with It? How Light Scattering Relates to Molecular Weight and Size of Biomolecules and Polymers
The need for enhanced product quality of biomolecules has led to a higher-level of characterization of different critical quality attributes. Size exclusion chromatography (SEC) has been widely used as a technique to provide size and purity. SEC coupled with multi-angle light scattering (MALS) can determine molecular weight (MW) and size (or radius of gyration, Rg) of complex samples. Dr. Wei Lu, Ph.D. and Philip Hoang from Tosoh Bioscience discuss how SEC-MALS as an analytical method can be optimized and applied to a wide range of applications including oligonucleotides, monoclonal antibodies, and virus-like particles.
New Method Explored for the Detection of CECs in Crops Irrigated with Contaminated Water
April 30th 2025This new study presents a validated QuEChERS–LC-MS/MS method for detecting eight persistent, mobile, and toxic substances in escarole, tomatoes, and tomato leaves irrigated with contaminated water.
