/sci/ - Science & Math

We have achieved some good level of cryopreservation with vitrification, which involves perfusing with ethylene glycol or another cryoprotectant solution (Alcor's M22, for example). A rabbit's kidney has already been vitrified. Head-only vitrification began in 2000 and full-bodies began in 2005 (At Alcor) using M22, which is much better than glycols.

The Cryonics Institute always does full-bodies, but only the head is perfused with their cryoprotectant solutions, the body is perfused with ethylene glycol by clamping the carotid etc. It would be hyperbole to say every organ vitrified, but they pay special attention to the brain. The temperature is slowly lowered to that of liquid nitrogen, to prevent thermal stress and fractures.

Cells don't burst under vitrification. Ice crystals do not form, and cellular damage is mostly avoided. Alcor has released electron micrographs of a rabbit's brain on M22, showing neurotransmitters sitting still in the synapses. The Cryonics Institute has yet to release micrographs. To date most of the croynics organizations, to be honest, have cut costs (ie perfusing the head only) hoping that Freitas' molecular-scale medicine will repair the cells. While I have high hopes for Drexler-type of nanotechnology, cryonics, as Mark Plus put it, has to reinvent itself as a multi-century project rather than hoping the patients will be brought back as early as 2050.

Pic related, flowers for the corpsicles.

Micrographs: http://www.alcor.org/Library/html/braincryopreservation1.html#micrographs
Cat brain vitrified for 7 years shows spikes on the EEG output: http://www.depressedmetabolism.com/armand-karow-the-suda-experiment/

We have achieved some good level of cryopreservation with vitrification, which involves perfusing with ethylene glycol or another cryoprotectant solution (Alcor's M22, for example). A rabbit's kidney has already been vitrified. Head-only vitrification began in 2000 and full-bodies began in 2005 (At Alcor) using M22, which is much better than glycols.

The Cryonics Institute always does full-bodies, but only the head is perfused with their cryoprotectant solutions, the body is perfused with ethylene glycol by clamping the carotid etc. It would be hyperbole to say every organ vitrified, but they pay special attention to the brain. The temperature is slowly lowered to that of liquid nitrogen, to prevent thermal stress and fractures.

Cells don't burst under vitrification. Ice crystals do not form, and cellular damage is mostly avoided. Alcor has released electron micrographs of a rabbit's brain on M22, showing neurotransmitters sitting still in the synapses. The Cryonics Institute has yet to release micrographs. To date most of the croynics organizations, to be honest, have cut costs (ie perfusing the head only) hoping that Freitas' molecular-scale medicine will repair the cells. While I have high hopes for Drexler-type of nanotechnology, cryonics, as Mark Plus put it, has to reinvent itself as a multi-century project rather than hoping the patients will be brought back as early as 2050.

Pic related, flowers for the corpsicles.

Micrographs: http://www.alcor.org/Library/html/braincryopreservation1.html#micrographs
Cat brain vitrified for 7 years shows spikes on the EEG output: http://www.depressedmetabolism.com/armand-karow-the-suda-experiment/

We have achieved some good level of cryopreservation with vitrification, which involves perfusing with ethylene glycol or another cryoprotectant solution (Alcor's M22, for example). A rabbit's kidney has already been vitrified. Head-only vitrification began in 2000 and full-bodies began in 2005 (At Alcor) using M22, which is much better than glycols.

The Cryonics Institute always does full-bodies, but only the head is perfused with their cryoprotectant solutions, the body is perfused with ethylene glycol by clamping the carotid etc. It would be hyperbole to say every organ vitrified, but they pay special attention to the brain. The temperature is slowly lowered to that of liquid nitrogen, to prevent thermal stress and fractures.

Cells don't burst under vitrification. Ice crystals do not form, and cellular damage is mostly avoided. Alcor has released electron micrographs of a rabbit's brain on M22, showing neurotransmitters sitting still in the synapses. The Cryonics Institute has yet to release micrographs. To date most of the croynics organizations, to be honest, have cut costs (ie perfusing the head only) hoping that Freitas' molecular-scale medicine will repair the cells. While I have high hopes for Drexler-type of nanotechnology, cryonics, as Mark Plus put it, has to reinvent itself as a multi-century project rather than hoping the patients will be brought back as early as 2050.

Pic related, flowers for the corpsicles.

Flowers for the corpscicles ;___;