| Results 31 - 40 of 249 | Search Time 0.109 Seconds |
| Msg | Description |
| # 18951 | Crossing Jordan [Mgdarwin] |
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meaningful basic case data. CI
usually simply states that "no information will be released due . . . Arrived at
facility at ~+10 C @ ~30 hours postmortem. Abdominal decomposition underway.
A-XXXX: MEMBER. Elderly gentleman who suffered massive stroke. Brain dead or
minimal brain EEG activity with clinical clinical signs of brain death (no
flow to brain) for ~24 hours prior to arrest. Prolonged postarrest
normothermic ischemia.
. . . Coroner's case. Released without autopsy. 30+ hour delay to
arrival at Alcor due to . . . start of CPS. Ice bag cooled. ~ 3 hours
of ischemia at ~30 degrees C (37 . . . in appearance on opening
burr holes. 2 hours of measured near normothermic ischemia (~27 C) before
perfusion cooling initiated. Primary, structure-obliterative end stage brain
disease.
A-1876: RECENT MEMBER. Hospital patient. . . . possible. CPA perfusion begun ~9-12 hours after arrest. Problematic CPA
perfusion with superficial and (Mon, 22 Apr 2002, 6 KB) |
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| # 25153 | Re: CryoNet #25130 Donaldson [Azt28] |
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someday we might be able to revive brains after 3 full hours
> at room temperature.
>
Some years ago, the . . . for
biology at room temperature. So a brain could be keept in running state for
that duration. What if we include (Wed, 24 Nov 2004, 2 KB) |
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| # 16192 | Tissues,Alcor Focus,AIs... [Louis Epstein] |
|
Munro
> National Post
>
> There can be life after death for human brain cells, say scientists who
> are growing neural . . . adults.
> The cells -- harvested up to 20 hours after death -- were coaxed to grow
> and multiply . . . say the work raises the possibility that brain cells,
> like organs, can be taken from . . . trials, including one in Halifax, where
> fetal brain cells were transplanted into the brains of people with
> Parkinson's. Apart from . . . of
> thousands of people with neurodegenerative disorders.
>
> Brain tissue from cadavers is much more abundant. . . . adult ones, which multiplied about 30 times after being extracted.
Which would indicate that foetal . . . isomorphists
>
> >> Louis Epstein wrote:
>
> >> >Neurosuspension,as I stated,I consider a bad joke...and if (Fri, 4 May 2001, 13 KB) |
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| # 22148 | Re: Cryonics and information theory [randy] |
|
imaging technology now, and pictures of patients'
>> brains who have been frozen. The damage is . . . hamburger", under
>> the analogy that resurrecting a brain in that condition would be like
>> resurrecting . . . a) get frozen as soon as possible after death (b) use the new
>oxygenated cryoprotectants (c) keep the brain from being starved of
>oxygen. So people . . . cells be
>reparable but that their physical state, when scanned down to the atomic
>level, contain enough information to extrapolate back the original brain
>and its relevant high-level information. The . . . all obvious
>(i.e., how many initial states map to the same post-freezing state,
>whether critical information is in global patterns . . . makes a distinction in the final molecular state even
>if the apparent functional characteristics of . . . that the configuration space of pre-frozen
>brains is mapped to the configuration space of . . . a physical process that maps many initial states into
>one final molecular-level state to . . . into the cell body within half an hour
>after the neuron has been starved of (Mon, 07 Jul 2003, 10 KB) |
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| # 4987 | Request for help [Mike Darwin] |
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to
the ME's office within one hour of arrest, air cooled for 24 hours at 4 C
and the subjected to autopsy. The brain was removed very nicely en block
(best . . . by her vertebral
arteries for about 30 hours at 4 C (as far as I can tell the formalin was
room temperature when the brain was placed in it, and the the brain in the
plastic bucket was put in morgue cold room).
The brain was NOT sectioned.
The husband contacted a cryonics organization which allegedly advised him
to remove the brain from formalin, rinse it with saline and . . . Samples were taken for light and TEM.
After 24 hours in the fomalin the brain was transferred . . . instance, even in human brains at 24 hours of ischemia intermediate
between 37 C and . . . beyond a few mm of
tissue even after a year of exposure (this work has . . . were to retire and move out of state soon,
(both are in their 30's) (14 Oct 95 23:54:58, 14 KB) |
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| # 4908 | Mood and Macronutrients [Doug Skrecky] |
|
of the amino acid
tyrosine into the brain. *5 *6 Tyrosine is required for the biosynthesis
of the brain neurotransmitter norepinephrine. Most depressed patients
show disturbances . . . is required for the biosynthesis of the
brain neuro-transmitter serotonin. Some depressed patients show . . . preference for caffeinated
over decaffeinated coffee disappears after subjects have been prevented
from consuming caffeine . . . occur. The onset of
withdrawal symptoms commence after 12-24 hours of abstinence, peak at
20-48 hours and end after about a week. *24
Unless you are . . . III-R Psychiatric Disorders
in the United States' 8-19 Vol.51 1994 Archives of (Fri, 22 Sep 1995, 10 KB) |
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| # 18954 | Crossing Jordan [Mgdarwin] |
|
meaningful basic case data. CI
usually simply states that "no information will be released due . . . Arrived at
facility at ~+10 C @ ~30 hours postmortem. Abdominal decomposition underway.
CPA perfusion achieved . . . MEMBER. Elderly gentleman who suffered massive stroke. Brain dead
or minimal brain EEG activity with clinical signs of brain death (no flow to
brain) for ~24 hours prior to arrest. Prolonged post-arrest normothermic
. . . Heparinized promptly postmortem.
Released without autopsy. 30+ hour delay to arrival at Alcor due to . . . start of CPS. Ice bag cooled. ~ 3 hours
of ischemia at ~30 degrees C (37 . . . in appearance on opening
burr holes. Two hours of measured near normothermic ischemia (~27 C) before
perfusion cooling initiated. Primary, structure-obliterative end stage brain
disease. Good CPA perfusion.
A-1876: RECENT . . . possible. CPA
perfusion begun ~9-12 hours after arrest. Problematic CPA perfusion with
superficial and (Tue, 23 Apr 2002, 11 KB) |
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| # 16537 | interesting example of mainstream convergence [Brent Thomas] |
|
2001
Hutchinson Center Researchers First
To Induce State Of Suspended
Animation In Model Vertebrate
Organism
Last February, a toddler in Alberta, Canada, made headlines
worldwide after she wandered outside and nearly froze to death.
Although her heart stopped beating for two hours and her body
temperature was 61 degrees . . . developed a method to
induce a similar state of so-called suspended animation in the
. . . fellow Pam
Padilla, Ph.D., discovered that after 24 hours of oxygen
deprivation - resulting in cessation of . . . cells in a tumor are in a state of low oxygen tension and are
non- . . . are interested in how cells maintain
this state of quiescence and then resume cell division." . . . many
animals.
"Numerous organisms have naturally occurring states of
suspended animation," Roth said. "About 70 . . . minute. The researchers found that embryos 25
hours post-fertilization or younger could survive without oxygen
for 24 hours and resume normal development after re-exposure
to standard levels of oxygen.
"We can't detect any abnormalities in these fish after they
recover," Roth said. "They have grown . . . deprived of oxygen for too long, particularly brain cells,
typically
undergo apoptosis - a form of (Thu, 14 Jun 2001, 9 KB) |
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| # 0036 | Many Are Cold But Few Are Frozen: A Physician Considers Cryonics |
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what had happened to his beloved republic after several
centuries. But Franklin despaired that the . . . frozen at very low temperatures very soon after death,
then it might not be altogether . . . to be obvious that
human cells (including brain cells) did not begin to fall apart
until several hours at room temperature after the heart had
stopped. Indeed, living cells had been recovered from corpses
after even longer periods of time, and Ettinger . . . just
"barely" non-functional.
Conventional statements regarding brain cell "death" after five
minutes without oxygen, Ettinger felt, were . . . level especially, "death" was a value judgement. Brain
cells after five minutes without oxygen looked fine (in later
years it has been suggested that permanent brain damage results
from small blockages in brain blood flow that do not happen until
. . . after Bedford. However, keeping them in that state,
which required constant tending and infusions of (, 25 KB) |
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| # 5604 | SCI. evidence [Ettinger] |
|
new readers) would like answered, concerning the state of the
art in cryonics and the . . . 1. Why can human embryos be revived after freezing but not adult mammals?
Generally, small . . . rat parathyroid.
2. Revival of neural tissue after deep freeze?
Hamsters have been revived after about half the water in the brains had
changed to ice; apparently there was . . . not clear-cut. Many types of mammalian
brain tissue have been revived or partly revived after complete freezing and
cooling down to dry . . . persistence of some indicia of life even after many hours of death and
warm ischemia.) In particular, (Tue, 16 Jan 1996, 6 KB) |
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