作者: Hadar Amartely , Orly Avraham , Assaf Friedler , Oded Livnah , Mario Lebendiker
DOI: 10.1038/S41598-018-25246-6
关键词: Coupling 、 Characterization (materials science) 、 Light scattering 、 Multiangle light scattering 、 Ion exchange 、 Chemistry 、 Ion chromatography 、 Size-exclusion chromatography 、 Analytical chemistry 、 Resolution (mass spectrometry)
摘要: Multi-angle light scattering coupled with size exclusion chromatography (SEC-MALS) is a standard and common approach for characterizing protein mass, overall shape, aggregation, oligomerization, interactions purity. The limited resolution of analytical SEC restricts in some instances the accurate analysis that can be accomplished by MALS. These include mixtures populations identical or very similar molecular masses, oligomers poor separation short peptides. Here we show combining MALS higher technique ion exchange (IEX-MALS) allow precise analyses samples cannot resolved SEC-MALS. We conclude IEX-MALS valuable complementary method characterization, especially systems could not fully analyzed