| Results 121 - 130 of 249 | Search Time 0.117 Seconds |
| Msg | Description |
| # 16120 | Actually, It Is Brain Surgery [Jan Coetzee] |
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coetzeejv@geocities.com>
Subject: Actually, It Is Brain Surgery
Date: Tue, 24 Apr 2001 01: . . . charset="iso-8859-1"
Actually, It Is Brain Surgery
By Leslie Gevirtz
BELMONT, Mass. (Reuters) - At the Harvard Brain Bank, they take great care with their . . . 24/7 all year because for a brain to be of value in research it must reach the Harvard Brain Tissue Resource Center within 24 hours of its donor's death.
Made of . . . as much of the organ as possible. After weighing it on a scale similar to . . . not easy. Researchers from across the United States and Canada must fill out a small (Tue, 24 Apr 2001, 6 KB) |
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| # 27528 | Alan and Sylvia Sinclair on This Morning [John de Rivaz] |
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of an
American company was advertised and after receiving a detailed information
pack from them, . . . idea is
really going to take off. After all, who doesn't want to live . . . Death is a neurological process that begins after the
heart stops. A stopped heart only . . . why cryonics is sometimes implemented even long after the
heart stops.
Myth 3: Experts say . . . and religion. Hypothermia victims have been revived after
more than an hour without breathing, heartbeat, or brain activity. Deep
cooling is sometimes used to " . . . already known in medicine. Patients in these states are understood to be
in deep coma, (Thu, 26 Jan 2006, 8 KB) |
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| # 15685 | All Mysteries Revealed [davidpascal] |
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temporarily. Some cryonics organizations have used it after a person dies
and is in transit . . . tissue much less entire organs like the
brain. 75% Glycerine is not one of them: . . . will notice that Alcor's
web site states in a description of their procedures: "After the
surgical access is completed, a cold ( . . . this means that some parts of the brain are damaged by the high
concentration, while . . . has said that the concentration of glycerol after
perfusion is 26 percent by weight. He . . . to Mr. Grimes' conundrum is, I believe, stated on the CI
web site somewhere, but . . . toxicity, and you get more
damage to brain cells by having to keep the brain at higher temperatures
for the additional time . . . in passing that the Alcor web site
states in regard to cryoprotective perfusion with 75% . . . Canadian lab has duplicated CI
results, and brain photos that they took are on the . . . a sheep head with 20% 2-methoxyethanol, after a washout out
with Ringer's. The . . . another organization for taking more than 30
hours to transport people from death bed to (Sun, 18 Feb 2001, 40 KB) |
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| # 7190 | SCI.Cryonics and Organ Donation [Steve Bridge] |
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GMT
Newsgroups: sci.cryonics
> I understand that brain-dead accident victims are often times kept
> . . . that the organs could only be
> harvested after the suspension folks had arrived (assuming of
> . . . practical, etc, as a strategy to
> minimize brain ischemia in the event of accidental death.
. . . provide reasonable preservation for a
member's brain is strongly dependent on how fast our . . . protective chemicals. Forcing
Alcor to wait several hours while surgeons remove a heart and kidneys is
not good for your brain. We assume you are involved in cryonics at all
because you want your brain treated with utmost care.
2. All states require evidence of "brain death" before a
(Thu, 21 Nov 96, 8 KB) |
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| # 10204 | Re: CryoNet #10190 Inexorable Progress in Technology? [Paul Wakfer] |
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strongly
to desire life-extension through cryonics?
After an enormous amount of thought, hundreds of hours of work, and
large cost in personal . . . what you would be thinking from the state of death after it
is determined in the future that . . . it were possible to think at
all after you are dead.
> Schindler also could not . . . for neuroscience research and medical repair of brain diseases
(Sat, 08 Aug 1998, 8 KB) |
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| # 15324 | Hippocampal Slice Cryopreservation Project Status Report and Plans [Kitty Antonik] |
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be
used for US federal and California state tax relief (possibly still
for the year . . . more than 10 times improvement in the
state of the art of cryopreservation of large, . . . formal scientific literature
to our knowledge. Hippocampal brain slices frozen in a
variety of ways . . . Suda to be optimal for cryopreservation of brains were
found to yield only about 5% plus or minus 5% viability after
thawing from dry ice temperature. Hippocampal slices
. . . magnitude of the advance over the
prior state of the art in that it is . . . ice, whereas such damage
is presumably absent after vitrification and warming. Therefore,
the new methods . . . the viability of
vitrified/rewarmed rat hippocampal brain slices has been
increased to about 66%. . . . equilibration.
At the moment, 66% recovery of brain slice function is
equivalent to the recovery . . . be
sufficient for long term cellular survival after transplantation
and in vivo recovery. We attempted . . . slices by culturing them for longer times after
exposure to cryoprotectant to see if self- . . . times at least as long as 8 hours,
there was no apparent improvement. On the (Thu, 11 Jan 2001, 6 KB) |
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| # 15565 | interesting preventative for brain distress resulting from stroke [Brent Thomas] |
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BThomas@OptioSoftware.com>
Subject: interesting preventative for brain distress resulting from stroke
Date: Tue, 6 . . . causes of adult disability in the United
States. According to the National Institute of Neurological . . . associated with decreased blood flow to the brain caused by a
thrombus or rupture of a blood vessel. This leads to reduced oxygen in the
brain, setting off a cascade of events triggering brain damage. The
resulting low level of oxygen in the brain triggers the local blood vessels
to become . . . a Src
kinase inhibitor up to 6 hours following stroke, the scientists were able to
. . . inhibition
increased the neurological score at 24 hours and the survival rate over the
course of 7 days following stroke after a single injection of the compound.
Repeated (Tue, 6 Feb 2001, 5 KB) |
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| # 6693 | Prometheus Project FAQ [Paul Wakfer] |
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long-term suspended animation of the human
brain within 10 years. The project will cost . . . the Project.
Why suspended animation of the brain?
Current technology only permits suspended animation of the body for
about one hour (used during some types of neurosurgery). Extending . . . are
found.
Perfecting suspended animation of the brain is the first step toward
achieving this . . . injuries remain irreversible.
Suspended animation of the brain would mean an end to this uncertainty.
Brains would be preserved with no injury, even . . . histologic preservation
by light and electron microscopy after rewarming from -140'C.
Stage 2: Recovery of mammalian brains after rewarming from -140'C,
with viability and . . . neurological recovery in a large
animal model after *in-situ* cryopreservation of the brain
to . . . preservation and neuroscience will be sought. A state-of-the-art laboratory
dedicated to the (06 Aug 96 00:38:17, 11 KB) |
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| # 15218 | "Technology: Building Better Humans" [Mark Plus] |
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a computer a radical step toward linking brain and
machine directly. And after that? Perhaps an implant that does internal
. . . become some other kind of being? The brain? Or is the
brain merely a conductive medium, our humanity defined . . . a quantum computer could
exist in multiple states at the same time, enabling multiple calculations . . . could be carried
out in half an hour.
At these speeds, technology acquires the inexorability (Sat, 30 Dec 2000, 14 KB) |
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| # 24123 | Re: CryoNet #24116 [RAMole] |
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cryonics, the freezing of a body immediately after death
and its storage in liquid nitrogen, . . . last weeks, or even leave the patient brain dead, with
the brain deteriorating beyond hope of repair, while the . . . death would lead to minimal damage to
brain and organs. Hypothermia would be ideal. In hypothermia for heart or
brain operations, precooling allows the heart to be stopped for long periods
and the brain left without oxygen, all without permanent damage.
. . . his life in front of witnesses. The state grants
permission.
Ordinarily a physician would prescribe . . . at this point that they would have hours
before deterioration took place.
This is probably (Fri, 21 May 2004, 8 KB) |
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