Aldehyde-stabilized cryopreservation is a new technique for cryopreservation first demonstrated in 2016 by Robert L. McIntyre and Gregory Fahy at the cryobiology research company 21st Century Medicine, Inc. This technique uses a particular implementation of fixation and vitrification that can successfully preserve a rabbit brain in "near perfect" condition at −135  °C, with the cell membranes, synapses, and intracellular structures intact in electron micrographs. ^[1] The technique has finally won the Small Animal Brain Preservation Prize of the Brain Preservation Foundation. ^{[2] [3]} The cryopreserved brain was rewarmed and no serious degradation was found to have occurred; the brain structure under electron microscopic evaluation after rewarming remained well-preserved. ^{[4] [5]} Although this technique has not yet lead to a successful revival of a cryopreserved brain, some researchers see this technique as providing promising directions for future research. ^[6]

See also

• Cryonics

References

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