Presented by: Stephan Koza, Ph.D., Principal Applications Chemist, Waters Corp.
John Champagne, Ph.D., Senior Applications Scientist, Wyatt Technology Corp.
Presented Live: October 25, 2016
Ultra-high performance size exclusion chromatography (UHP-SEC) is gaining in popularity owing to the high speed and resolution of separation compared to standard HP-SEC. Online multi-angle light scattering (MALS) is the recognized method for obtaining absolute molecular weight and size, independently of column retention time, making it indispensable for accurate and reliable characterization by SEC. However, light scattering detectors designed for HPLC-SEC are in general not suitable for UHP-SEC.
In this webinar we discuss the practical application of UHP-SEC with regards to method development and successful implementation. This will be followed by a discussion on limitations of standard MALS detectors and present the capabilities of a MALS detector designed explicitly to meet the challenges of UHP-SEC. The utility of UHP-SEC combined with MALS–dubbed ‘µSEC-MALS’–as well as online dynamic light scattering will be demonstrated in the context of protein characterization.
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