To ensure that the tissue structures of biological samples are easily recognizable under the electron microscope, they are treated with a staining agent. The standard staining agent for this is uranyl ...
Researchers at Graz University of Technology found that ordinary espresso can replace toxic uranyl acetate for electron microscopy staining.
Researchers at the Institute of Electron Microscopy and Nanoanalysis (FELMI-ZFE) at Graz University of Technology (TU Graz) ...