Tag Archives: Cryopreservation

The case against cryonics

What is striking about cryonics is that those who have taken serious efforts to understand the arguments in favor of its technical feasibility generally endorse the idea. Those who have not made cryonics arrangements usually give non-technical arguments (anxiety about … Continue reading

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Vitrification agents in cryonics: M22

M22 represents the culmination of decades of work in applied cryobiology by researchers Gregory Fahy , Brian Wowk, and others to develop a vitrification agent that can recover complex organs (such as the kidney) from cryogenic temperatures without ice formation … Continue reading

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The first vitrification agent in cryonics: B2C

In 2001 the Alcor Life Extension Foundation licensed its first vitrification agent from the cryobiology research company 21st Century Medicine (21CM) to be used for its neuropatients. The composition of this agent, called B2C, has now been made public on … Continue reading

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Viability in brain cryopreservation

Because the current generation of vitrification agents permit cryopreservation of the brain without ice formation, the current objective of cryonics research is maintenance of viability of the brain during cryopreservation. The most popular viability assay that has been used in … Continue reading

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Cryonics: Using low temperatures to care for the critically ill

“Cryonics does not involve the freezing of dead people. Cryonics involves placing critically ill patients that cannot be treated with contemporary medical technologies in a state of long-term low temperature care to preserve the person until a time when treatments … Continue reading

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Rapid stabilization in human cryopreservation

“Even in the case of advanced Alzheimer’s disease, a person is ultimately not declared dead because of the loss of personhood, but as a consequence of secondary whole brain death or cardiac and respiratory arrest. In essence, today’s medicine routinely … Continue reading

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