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Durcupan is a water-soluble epoxy resin produced by the Fluka subsidiary of Sigma-Aldrich. It is commonly used for embedding electron microscope samples in plastic so they may be sectioned (sliced thin) with a microtome and then imaged. [1] [2] [3]


  1. ^ Stäubli, W. (1963). "A new embedding technique for electron microscopy, combining a water-soluble epoxy resin (Durcupan) with water-insoluble Araldite" (PDF). The Journal of Cell Biology. Rockefeller Univ Press. 16 (1): 197. doi:10.1083/jcb.16.1.197. 
  2. ^ Kushida, H. (1963). "A Modification of the Water-miscible Epoxy Resin "Durcupan" Embedding Method for Ultrathin Sectioning". Journal of Electron Microscopy. Japan Society Microscopy. 12 (1): 72. 
  3. ^ "Durcupan recipe". Cold Spring Harbor Protocols. 2011. doi:10.1101/pdb.rec12381.