Fig. 1From: Cryogenic transmission electron microscopy: the technique of choice for the characterization of polymeric nanocarriersMicrographs of a sample of polymeric self-assemblies composed of PS-b-PEO 9500-18000 at a concentration of 10Â mg/mL. a Micrograph obtained with cryo-TEM. b Micrograph obtained with TEM using dryingBack to article page