Malvern Zetasizer Nano particle-sizing instrument

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The Malvern Zetasizer Nano is a widely used system for nanoparticle, colloid and protein size, zeta potential, molecular weight, protein mobility and microrheology measurements.

With more than 50,000 references involving the product on Google Scholar, the versatile analytical instrument is currently being used in a wide range of applications including nanotechnology, biochemistry, food, pharmaceutical sciences and more. Particles and molecules from less than a nanometre in size to several microns can be analysed.

Zetasizer NanoSampler enables automated loading of samples into the instrument for precise and reproducible measurements. Surface Zeta Potential Cell allows for the measurement of zeta potential of a solid surface. Molecular weight (MW) characterisation is available by using static light scattering or with higher resolution by adding the Zetasizer Nano to the user’s size-exclusion chromatography (SEC) system.

The diffusion barrier method is said to enable improved results without damaging protein structure. An auto-titrator can be integrated to automate pH and conductivity titrations as well as additive and dilution measurements. Intuitive software is powerful and capable as a true research tool yet easily simplified for operators who might not be considered light scattering experts.