Home Services Scientific Service Central Microscopy (CeMic) Imaging & equipment Scanning electron microscopy Scanning electron microscopy (SEM) Zeiss Supra 40VP SEM The Zeiss Supra 40VP scanning electron microscope provides high resolution surface imaging with three-dimensional appearance. [more] Cryotransfer unit For SEM imaging of fresh, cryofixed tissue in the cryo-mode of the Zeiss Supra 40VP, an Emitech K1250x cryotransfer unit is available. [more] Critical point dryer The Leica CPD300 critical point dryer is used to completely dry chemically fixed samples before SEM imaging. [more] Sputter coaters After critical point drying, samples are sputter-coated with a thin layer of precious metal (gold, platinum) in the nanometer range through target ionization. [more]