Cryo-focused ion beam (cryo-FIB) milling is indispensable for preparing thin lamellae from thick biological samples for cryo-electron tomography (cryo-ET), especially at the tissue level. However, ...
A 3D-bioprinted pancreatic tissue scaffold made from collagen, overlaid with the confocal fluorescence images of the internal vascular network (green) and the expressed insulin (magenta). Collagen is ...