Brookhaven Instruments Corporation

omni 140x140

The newly added NanoBrook series now includes backscattering at 173° in addition to the traditional 90° used in dynamic light scattering (DLS).

The overwhelming majority of natural and manufactured products involve particulate materials either in their final state or at some stage in their production. This is also true of proteins and nanoparticles. Particle size and particle size distribution are, therefore, often critically important parameters.

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omni 140x140

Almost all particulate or macroscopic materials in contact with a liquid acquire an electronic charge on their surfaces. Zeta potential is an important and useful indicator of this charge which can be used to predict and control the stability of colloidal suspensions or emulsions, for example. The greater the zeta potential the more likely the suspension is to be stable because the charged particles repel one another and thus overcome the natural tendency to aggregate. The measurement of zeta potential is often the key to understanding dispersion and aggregation processes in applications as diverse as water purification, ceramic slip casting and the formulation of paints, inks and cosmetics.

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90plus l2 140x140

Molecular weight and size are two key properties of all macromolecules including biologically important and synthetic polymers. Performance and processability are directly related to these parameters. Light scattering is capable of absolute measurements in either batch or flow mode. For distribution information, couple a GPC/SEC instrument to a light scattering detector.

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