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  2. Cryonics - Wikipedia

    en.wikipedia.org/wiki/Cryonics

    Cryonics (from Greek: κρύος kryos, meaning "cold") is the low-temperature freezing (usually at −196 °C or −320.8 °F or 77.1 K) and storage of human remains in the hope that resurrection may be possible in the future. [1] [2] Cryonics is regarded with skepticism by the mainstream scientific community. It is generally viewed as a ...

  3. Cryopreservation - Wikipedia

    en.wikipedia.org/wiki/Cryopreservation

    A tank of liquid nitrogen, used to supply a cryogenic freezer (for storing laboratory samples at a temperature of about −150 °C or −238 °F) Controlled-rate and slow freezing, also known as slow programmable freezing (SPF), [18] is a technique where cells are cooled to around -196 °C over the course of several hours.

  4. Cryobiology - Wikipedia

    en.wikipedia.org/wiki/Cryobiology

    At least six major areas of cryobiology can be identified: 1) study of cold-adaptation of microorganisms, plants (cold hardiness), and animals, both invertebrates and vertebrates (including hibernation), 2) cryopreservation of cells, tissues, gametes, and embryos of animal and human origin for (medical) purposes of long-term storage by cooling to temperatures below the freezing point of water.

  5. Cryoprotectant - Wikipedia

    en.wikipedia.org/wiki/Cryoprotectant

    A cryoprotectant is a substance used to protect biological tissue from freezing damage (i.e. that due to ice formation). Arctic and Antarctic insects, fish and amphibians create cryoprotectants (antifreeze compounds and antifreeze proteins) in their bodies to minimize freezing damage during cold winter periods. Cryoprotectants are also used to ...

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  7. Freeze drying - Wikipedia

    en.wikipedia.org/wiki/Freeze_drying

    Pharmaceutical companies often use freeze-drying to increase the shelf life of the products, such as live virus vaccines, [19] biologics, [20] and other injectables. By removing the water from the material and sealing the material in a glass vial , the material can be easily stored, shipped, and later reconstituted to its original form for ...

  8. Cryonics Institute - Wikipedia

    en.wikipedia.org/wiki/Cryonics_Institute

    The cryonics procedure performed by the Cryonics Institute begins with a process called vitrification where the body is perfused with cryoprotective agents to protect against damage in the freezing process. After this, the body is cooled to -196°C over a day or two days in a computer-controlled chamber before being placed in a long-term ...

  9. Alcor Life Extension Foundation - Wikipedia

    en.wikipedia.org/wiki/Alcor_Life_Extension...

    Cryonics is regarded with skepticism within the scientific community and has been characterized as quackery and pseudoscience. [ 3 ] [ 4 ] As of October 2023 [update] , Alcor had 1,927 members, including 222 who have died and whose corpses have been subject to cryonic processes; [ 5 ] [ 6 ] [ 7 ] 116 bodies had only their head preserved. [ 8 ]