| Results 141 - 150 of 249 | Search Time 0.117 Seconds |
| Msg | Description |
| # 15511 | Comments on Viability and Self-Repair - #15442 [Paul Antonik Wakfer] |
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the 53% (now 66%) "viability" of rat brain slices by the K/Na
>criterion has . . . or unreported;
This is what I have stated and is the correct interpretation.
>the other
> . . . I do
not recall where this was stated or by who. Would you please enlighten
. . . dogs to be revived from over 5 hours at just
above 0'C. These patient . . . has done such a test on the brain tissue of a
cryonics patient prior to . . . and will need to be verified for brain tissue at some
point. That, in fact, . . . for neurons would be the electrical activity. After all, Suda's old
>experiments were deemed (Thu, 01 Feb 2001, 7 KB) |
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| # 15560 | Re: Mr Ettinger's - #15541, #15543, #15546 [Paul Antonik Wakfer] |
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for larger tissue
masses of organs including brains. Whereas at the earlier stage only the
. . . he said the 66%
> "viability" of rat brain slices by the K/Na criterion was . . . 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.**
This shows . . . This also
relates to the physiological fact (stated in medical textbooks) that
nerve fibers and . . . capacity of fresh, untreated slices.**
Nothing was stated about individual cells since the potassium-sodium
. . . 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%.**
. . . be
sufficient for long term cellular survival after transplantation
and in vivo recovery.**
This is . . . with 66% cellular viability did not
occur after fully reduced temperature because sufficiently fast
rewarming . . . 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.**
This again (Mon, 05 Feb 2001, 18 KB) |
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| # 24573 | Now this is a conundrum [James Swayze] |
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kept alive while in a persistive vegetative state and hold for the
rights of all . . . I have highlighted by placing *** before and after. They are quite
interesting when taken in . . . have the right to deanimate
before a brain malady can do identity robbing damage, Jeb . . . around the country.
[Begin article]
Case of Brain-Damaged Woman Heads to Court
4 hours ago
By JACKIE HALLIFAX, Associated Press Writer
[ (Tue, 31 Aug 2004, 9 KB) |
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| # 12367 | What it will take to legalize assisted suicide [john grigg] |
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t want this done except with cryonicists! After all
I see cryonic suspension not as true "death" but as a state of "inactivity"
where in time I will . . . from a suspension team and have my brain decay for hours or even
days before I am able (Sat, 04 Sep 1999, 5 KB) |
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| # 7729 | Suspension of Long Standing Member [Fred Chamberlain] |
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this sort of outcome in the future.
After Joe's wife, Terry Cannon, was suspended . . . fronts. Nearly two years ago, his doctor stated in writing that "death was
imminent" (clearly, . . . weekends.)
At the time Joe's doctor stated that his death was "imminent", Alcor Staff
. . . of relocating would have been too
great. After all, he was still able to maintain . . . combination for insuring a
good cryonics suspension.
After a fall from a ladder while working . . . option
available. Our best hope was that after a brief period of observation and
evaluation, . . . Joe had not been found until morning, after an
undetermined number of hours of ischemia, his medical surrogate assumed the
. . . and the appropriate official in the Florida State Attorney's
office. Although an autopsy could . . . neck intact, so that perfusion of
the brain could be attempted.
A washout was attempted (Sat, 22 Feb 1997, 7 KB) |
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| # 21951 | The use of entanglement [Azt28] |
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as a tool used to build a brain
scanner. There are yet some byproducts of . . . and height H, each is one dimensional. After, you have a surface S = L x . . . can be in the up or down state or an up-down mixing. This
allows . . . The
system is in a superposition of states: one is P1, P2,... all separate from . . . the entanglement. The mixing between
all these states rests on the properties of the transmission . . . laser has many potential uses, from QND brain reading
to powerful radiography and time keeping . . . system
putting it in an exotic quantum state. A is then in the same state and exchange
its entanglement with a target . . . femtosecond or so to one
tick every hour or day. If now A is entangled (Wed, 11 Jun 2003, 7 KB) |
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| # 9462 | From Mike Darwin, re Ettinger/CI [Charles Platt] |
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on glycerolized and
glycerolized-frozen-thawed-fixed brains (sheep). I believe Charles
contacted a number . . . the methods used to
prepare the sheep brains used in the study he obtained from . . . me. He has asked me to re-state the information I
gave him, document my . . . who was briefly
>oriented to what normal brain ultrastructure looks like.
>Particularly disturbing is the absence of control photos
>showing normal brain architecture in the absence of
>ischemia, cryoprotective . . . any
>resumption of functional indices of organized brain
>activity/metabolism is completely unsupported by even . . . of the investigators to reperfuse the brains after
>thawing.
Recently, I re-examined the Pichugin . . . with slow (4-5 degrees C per hour
cooling rate) straight freezing in our laboratory (Sun, 12 Apr 1998, 28 KB) |
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| # 10402 | ??? [Charles Platt] |
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I
know a reasonable amount about the state of the art, and have proven my
. . . all aspects of cryonics.
I spent countless hours earlier this year trying to negotiate the . . . to cryonics, even though in its
current state I fear that it is not always . . . been left sitting for, say, four days after death well above
freezing temperature, with no . . . patient had been shot in the head, after which he experienced 24
hours of ischemic damage at the mortuary, and his brain was cut into
pieces and placed in (Wed, 9 Sep 1998, 6 KB) |
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| # 6399 | SCI.Trans Time newsletter 2 [quaife] |
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was shown to protect the
heart and brain of laboratory animals during four hours of deep
hypothermia. The presentation was made . . . time for surgery on the
heart and brain, during which circulation can be substantially
reduced, . . . that rats subjected to partial blood substitution after fasting
and severe cold stress were much . . . baths for periods of up to two hours. These animals
reached deep body temperatures as . . . to consciousness and reactivity. An analysis of
brain tissue immediately following revival indicated that
substantial freezing and thawing of the tissues of the brain had
occurred. Dr. Sternberg said "these experiments . . . and organs in frozen or partially frozen
states for extended time periods may be achievable (Thu, 27 Jun 1996, 12 KB) |
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| # 7848 | Re: timescale of cryonics & uploading [Joseph Strout] |
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I find the prospect of repairing the brains
> and bodies of those now frozen to be much more daunting than copying their
> brains into artificial devices. "
>
> Is this not a contradiction? After all in order to copy a neural . . . are not so different. ;)
> To copy a brain in fine detail - and to upload a " . . . copy - would need a scan of the brain almost molecule by
> molecule. This would be . . . the scale of the position and phosphorylation states of
individual channels etc., then you're . . . result,
you may lose the last few hours or days, but not any long-term (Thu, 13 Mar 1997, 6 KB) |
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