Author Archives: Alex Malm


Dr Alex Malm is a Senior Development Scientist at Malvern Panalytical within the Nanomaterials R&D team and has been primarily involved with the development of analysis and algorithms for the Zetasizer Advance range.

Published 15 Dec 2020

Polarizers huh? What are they there for?

We have previously talked about new software features of the Zetasizer Advance range. What about new hardware? Well the Zetasizer Pro and Ultra instruments give access to an optical feature wheel within the instrument. This gives access to more versatile…READ MORE >

Tags: , ,

Published 19 Nov 2020

Starting the next chapter – moving from Zetasizer Nano to Zetasizer Advance

A new chapter This July we announced an extended family of new Zetasizer instruments. The Zetasizer Pro and Ultra now welcome the Zetasizer Lab. Each version is now also available with a choice of sensitivity. This means there is now…READ MORE >

Tags: , ,

Published 21 Oct 2020

Understanding specifications – what does laser power actually mean?

When choosing a new instrument, we tend to end up looking at a specification sheet. But what do all of these numbers mean? Bigger numbers are better surely? Whilst there are lots of specifications that we can compare, this is…READ MORE >

Tags: , , , ,

Published 10 Mar 2020

Correlation intercept – what is it and what does it mean?

Comparing data I saw a recent discussion about exporting data from the Zetasizer for further analysis. Both the Zetasizer Nano and Zetasizer Pro/Ultra software packages include a range of analysis tools. I wondered what was missing? When we compare data,…READ MORE >

Tags: ,

Published 15 Oct 2019

Adaptive Correlation published in Scientific Reports

Instrument or a Black Box? Are the inner workings and algorithms in your instrument a mystery to you? Does data processing make you wary? Our scientists and engineers are always looking at ways to improve the quality of your data…READ MORE >

Tags:

Published 28 Jun 2018

What causes the most headaches for a particle characterization scientist?

What causes the most headaches for a particle characterization scientist? There are many answers to this question, but one of the most obvious is dust or contaminants! As someone who regularly uses Dynamic Light Scattering (DLS) to measure particle size,…READ MORE >

Tags: , ,

Subscribe Now