Chemical brain preservation is a speculative research, it is a proposed process of using aldehyde fixation for long term storage of a brain with the intent of future revival. It would be considered an alternative or adjunct to cryonics. Technology Vascular perfusion of a brain with chemical fixative agents followed by a plasticizing agent is one possible approach. This plastic embedding is widely used to study small sections (<1mm ) of human and animal brain tissue under laboratory conditions. Recently, scaling chemical brain preservation methods to whole mammalian brains has been demonstrated by Shawn Mikula and Winfried Denk and shown suitable for electron microscopy and brain-wide cellular connectomics (Mikula & Denk, 2015) (Mikula, 2016).