Profile: Postnova Analytics GmbH offers advanced analytical solutions based on systems, services and supplies for field flow fractionation & laser light scattering. We provide advanced analytical products and services in the field of bio-analysis, polymer, particle & environmental analysis. Our products include field flow fractionation systems, syringe pumps, static and dynamic laser light scattering, differential refractometer, quaternary HPLC pump, UV/DAD detectors, on-line degassers, autosampling system & manual injection assembly rheodyne. Our asymmetric flow field-flow fractionation is a new separation method for the efficient separation and characterization of proteins, polymers & nanoparticles in a fast & gentle way. Our AF2000 Focus is the most advanced AF4 system indicating the maximum possible performance. This instrument shows a higher resolving power and a more advanced software system than every other device available. It is the most integrated system and the only system with channel inside the housing.