Analysis of Polymers and Protein Nanoparticles using Asymmetrical Flow Field-Flow Fractionation (AF4)ByKlaus Zwiorek,Jan Zillies,Conrad Coester,Stephan Schultes,Katrin Mathis,Gerhard WinterSeptember 1st 2009This article describes some of the latest developments for the analysis of polymers and nanoparticles.