Fig. 1From: In vitro exposure of a 3D-tetraculture representative for the alveolar barrier at the air-liquid interface to silver particles and nanowiresHigh resolution dark-field microscopy images (CytoViva®) of Ag20 (a, d), Ag200 (b, e) and AgNWs (c, f) after sonication and nebulisation on coverslips using the Vitrocell™Cloud System. Samples were further fixed between two coverslips using Mowiol mounting mediaBack to article page