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Home > Press > Analyzing Dynamic Light Scattering

Abstract:
New Malvern Instruments presentation examines factors for success

Analyzing Dynamic Light Scattering

Malvern, UK | Posted on August 27th, 2010

"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 Instruments 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.

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 ĎR'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 Instruments 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's Zetasizer range, can be
found at: www.malvern.com

Malvern, Malvern Instruments and Zetasizer are registered trademarks of Malvern Instruments Ltd

####

About Malvern Instruments
Malvern Instruments is a market leader in measuring performance controlling material properties. These include particle size, particle shape, zeta potential, molecular weight, size and conformation, rheological properties and chemical distribution. Malvern delivers the systems, support and expertise that ensure the analytical integrity and productivity needed to drive research, development and manufacturing.

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Contacts:
For press information, please contact:

Trish Appleton
Kapler Communications
Knowledge Centre
Wyboston Lakes
Great North Road
Wyboston
Bedfordshire
MK44 3BY
UK
Tel: +44 (0)1480 479280
Fax: +44 (0)1480 470343

USA contact:

Marisa Fraser
Malvern Instruments Inc.
117 Flanders Road
Westborough
MA 01581-1042
USA
Tel: +1 508 768 6400
Fax: +1 508 768 6403


Please send sales enquiries to:

Alison Vines
Malvern Instruments Ltd
Enigma Business Park
Grovewood Road
Malvern
Worcestershire
WR14 1XZ
UK
Tel: +44 (0) 1684 892456
Fax: +44 (0) 1684 892789

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