Tag Archives: SLS


Published 2 Nov 2017

Guide to molecular weight – with the Zetasizer

Molecular weight measurements with the Zetasizer software? First a few words of caution: molecular weight or Mw measurements in general are not easy, require time, good sample preparation skills as well as patience. If you are new to the Malvern…READ MORE >

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Published 4 Sep 2014

Formulation screening with A2 or B22

Last week we offered a webex presentation titled “Speed your way through protein formulation screening by automating your measurements: A2/B22 with the Zetasizer APS” The presentation had a focus on protein formulation, where often the objective is to assess protein stability…READ MORE >

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Published 15 Jul 2014

Characterizing Hyaluronic Acid : The Fountain of Youth

Hyaluronic Acid Analysis As I am new to blogging I think a brief introduction would be good. My name is John Stenson, I am the Product Technical Specialist looking after the Size Exclusion Chromatography (SEC) related detector systems, known as…READ MORE >

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Published 18 Jun 2013

Refractive index increment dn/dc values

Refractive index increment dn/dc values when you need them? In light scattering a crucial parameter which appears together with the Rayleigh Ratio RΘ is the refractive index increment, also known as “dn/dc”. Typically Kc/RΘ is plotted versus concentration to extrapolate to…READ MORE >

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Published 24 Mar 2011

Speaking of proteins

Now firmly back in the UK, this is my final post about last week’s Pittcon activities. Not only was this one of the first occasions where people had the opportunity to learn about the Morphologi G3-ID, Pittcon was also a…READ MORE >

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