If you are in, or will be visiting Bethlehem, PA on May 18th, we invite you to to stop by our open house.  It is really the home of Particle Sciences Drug Development Services, but the open house is co-sponsored by Microfluidics and HORIBA.  We'll have presentations on particulate and solid solution drug development and regulatory CMC support, live demonstrations, senior technical staff who can discuss your particular project, lunch, and even a chance to win some iPads. 

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The knowledge of the particle shape facilitates the understanding of product characteristics, optimizes production processes and minimizes production costs. For that reason, it is very important to have a convenient, reliable and fast particle analysis, so that you can have an immediate influence on the current production.  Our new application note regarding shape parameters explains the measuring techniques used by the CAMSIZER particle size and shape analyzer.

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Colloidal gold, also known as "nanogold", is a suspension (or colloid) of sub-micron particles of gold in a fluid - usually water. Known since ancient times, the synthesis of colloidal gold was originally used as a method of staining glass. Modern scientific evaluation of colloidal gold did not begin until Faraday's work of the 1850s  Our new application note describes a procedure and shows results from a study analyzing the NIST Reference Material samples.

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An isoelectric point measurement studies how pH influences zeta potential and determine at which pH the zeta potential equals zero.  This is important because zeta potential is an indicator of dispersion stability and can be influenced by surface chemistry, including changes in the pH, salt concentration, surfactant concentration and other formulation options.  The new Application note shows how quickly the Isoelectric Point Determination can be measured  using the HORIBA SZ-100. 

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