Ask An Expert: Advanced Dynamic Light Scattering: When can a polarizer give you extra insight?

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Dynamic light scattering (DLS) is now a ubiquitous tool in many laboratories, and offers an accessible and accurate way to find hydrodynamic size in minutes. The non-invasive technique requires very little sample and is quite easy to use for a range of user abilities. 

But did you know that in certain situations a polarizer or a fluorescence filter can give you even ‘more’ data? As it turns out, the backscattering detection feature of the Zetasizer is less well-known than we thought, so in this webinar Dr. Ulf Nobbmann will share his insights into how you can get the most out of your DLS instrument – and your analysis.


  • Ulf Nobbmann - Applications Manager - DACH, Malvern Panalytical

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Who should attend? 

  • Anyone who wants deeper insights into more than the standard application of DLS for particle size
  • Anyone interested in or working on quantum dots, fluorescently labelled particles, or similar research areas
  • Scientists and researchers interested in understanding advanced capabilities of light scattering

What will you learn? 

  • Learn how to configure the polarizers and fluorescence filter in the Zetasizer
  • Discover how parallel and perpendicular polarization correlation functions may differ
  • Understand why these may differ in intercept & measured size