Request InfoNanoSight Ltd.The NTA 3.1 nanoparticle characterization system from NanoSight Ltd. provides accurate images of individual nanoscale particles in suspension. Users can obtain independent quantitative estimates of particle size, size distribution and concentration. The system includes an optical microscope with a specialized camera. It can measure nanoparticles down to 9 to 15 nm, depending on the material. The company says that the system can obtain higher-resolution particle size distribution profiles than other more time-consuming and expensive methods, such as photon correlation spectroscopy. 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