I am trying to radio label PLA-PEG nanoparticles and wondered if I can purify the mixture via spin zeba desalting columns. I know the desalting column works for proteins, but not sure if it would work for the nanoparticles.
Riley, T., T. Govender, S. Stolnik, C. D. Xiong, M. C. Garnett, L. Illum, and S. S. Davis. "Colloidal stability and drug incorporation aspects of micellar-like PLA–PEG nanoparticles." Colloids and surfaces B: Biointerfaces 16, no. 1-4 (1999): 147-159.