We then investigate the prodrug-particle formation using 50 mol% of the prodrug monomer 2 and 50 mol% of the comonomer 2,5-diiodo-N-methylimidazole over the course of 24 h. We record the diameters d of the resulting particles P1 at different points in time using scanning electron microscopy (SEM) and dynamic light scattering (DLS) (cf. Figure and Table ).