What is The Accuracy and Reproducibility of Dynamic Light Scattering

"What is the real accuracy and reproducibility of dynamic light scattering and the relevance for my applications?" is the question tackled by Biophysical Characterization Specialist Dr Ulf Nobbmann in a new downloadable presentation available via the Malvern Panalytical website.

Dynamic light scattering (DLS) is used in the size characterization of proteins, polymers and colloidal dispersions, and the methodologies he outlines allow researchers to assess the validity, accuracy and precision of the technique for their specific applications.

Malvern Panalytical Zetasizer µV Light Scattering Instrument

The presentation is free to view at: www.malvern.com/accuracyandreproducibility

Just like other measurement techniques, the effective application of DLS relies on the three 'R's' of repeatability, reproducibility, and robustness. In his presentation Ulf Nobbman shows how a practical repeatability of better than 1% is achievable. Details of how to account for the effects of particle size mixtures, scattering angles and ways of testing repeatability are all covered.

Most applications of DLS are in the nanometre to sub-micron size range. At the low size extreme, low scattering intensities can lead to more error, while at the high size extreme, number fluctuations or sedimentation can increase uncertainty. It is therefore good practice to assess repeatability of results. This presentation from Malvern Panalytical explains what to watch out for when assessing the measurement of real samples for real applications and provides potential solutions for some of the most common causes of error. The webinar, multiple relevant application notes and further information on DLS instrumentation, such as Malvern Panalytical's Zetasizer range, can be found at: www.malvern.com

Citations

Please use one of the following formats to cite this article in your essay, paper or report:

  • APA

    Malvern Panalytical. (2019, February 10). What is The Accuracy and Reproducibility of Dynamic Light Scattering. AZoM. Retrieved on October 22, 2019 from https://www.azom.com/news.aspx?newsID=23882.

  • MLA

    Malvern Panalytical. "What is The Accuracy and Reproducibility of Dynamic Light Scattering". AZoM. 22 October 2019. <https://www.azom.com/news.aspx?newsID=23882>.

  • Chicago

    Malvern Panalytical. "What is The Accuracy and Reproducibility of Dynamic Light Scattering". AZoM. https://www.azom.com/news.aspx?newsID=23882. (accessed October 22, 2019).

  • Harvard

    Malvern Panalytical. 2019. What is The Accuracy and Reproducibility of Dynamic Light Scattering. AZoM, viewed 22 October 2019, https://www.azom.com/news.aspx?newsID=23882.

Tell Us What You Think

Do you have a review, update or anything you would like to add to this news story?

Leave your feedback
Submit