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do.collaboration in 2013

Highlights from the first six months of the year.

do.collaboration Quarterly Newsletter - May Edition

Project reports, new opportunities and partner updates.

Dynamic Light Scattering (DLS) for Particle Size Distribution (PSD) and Zeta Potential

Malvern Instruments ZetaSizer HPPS is a non-invasive technique and provides information about size and PSD of particles and molecules dispersed and dissolved in a liquid. The instrument has a laser light source which is used to illuminate the particles. Then, the generated scattered light fluctuates at a speed depending on the particle size. With the velocity of the Brownian motion, derived from the analysis of these fluctuations, and the Stokes-Einstein equation, particle size can be obtained. Particles lower than 1nm in size can be analysed by using this instrument and the minimum sample volume requirement is 20μL
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