Join Discussions about Zeta Potential Measurement at the International BES Symposium 2011

7 April 2011: Malvern, UK: Malcolm Connah, Product Marketing Manager, Nanometrics for Malvern Instruments, will make presentations about novel methods for measuring the zeta potential of proteins at a pre-conference workshop and as part of the plenary session during the 21st International Symposium of the Bioelectrochemical Society (BES). The conference takes place in Cracow (Poland) from 8-12 May 2011.

In his plenary session presentation on 9 May, Malcolm will discuss a new method that improves accuracy and repeatability when measuring the zeta potential of proteins. He will explain how to achieve this through the separation of proteins from electrodes using a diffusion barrier method without membranes. This is necessary because protein aggregation can occur at the surface of electrodes, and the zeta potential of aggregates can be markedly different to that of the native protein.

The Zetasizer Nano from Malvern Instruments uses light scattering techniques to measure hydrodynamic size, zeta potential, and molecular weight of proteins. For further information please visit

For details of the symposium, or to book a place, visit

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.

Malvern's measurement solutions for scientists, technologists and engineers advance continually through customer collaboration. Complementary materials characterization systems deliver inter-related measurements that reflect the complexities of particulates and disperse systems, nanomaterials and macromolecules. Combining intelligently implemented technologies with in-depth industry applications knowledge and support, Malvern provides customers with the competitive advantage they demand.

Headquartered in Malvern, UK, Malvern Instruments has subsidiary organizations in all major European markets, North America, China, Korea and Japan, a joint venture in India, a global distributor network and applications laboratories around the world.

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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