Fig. 1From: Cutaneous exposure to agglomerates of silica nanoparticles and allergen results in IgE-biased immune response and increased sensitivity to anaphylaxis in micePhysicochemical properties of silica nanoparticles alone and combined with allergen. a Macroscopic and (b) transmission electomicrographic images of the samples used in this study (scale bar, 100Â nm). c Particle size distributions of samples diluted in PBS or water measured by using a dynamic light scattering method. d Mean particle diameters and zeta potentials of samplesBack to article page