[ExI] Plastination

[Eugen Leitl]

On Sat, Feb 05, 2011 at 01:24:12AM -0700, Kelly Anderson wrote:
> On Wed, Feb 2, 2011 at 12:34 AM, Eugen Leitl <eugen at leitl.org> wrote:
> > On Tue, Feb 01, 2011 at 04:03:32PM -0700, Kelly Anderson wrote:
> >> Has anyone seriously looked at plastination as a method for preserving
> >> brain tissue patterns?
> >
> > Yes. It doesn't work.
> 
> Thanks for your answer. You sound pretty definitive here, and I
> appreciate that you might well be correct, but I didn't see that in
> what you referenced. Perhaps I missed something. When you say it
> doesn't work, are you saying that the structures that are preserved
> are too large to reconstruct a working brain? Or was there some other
> objection? Or were you merely stating that it wasn't Gunther's intent
> to create brains that could be revivified later?

Crude plastination as practiced by Gunther von Hagens does not
preserver ultrastructure. The proposal by Ken Hayworth is not
plastination but fixation, including heavy metal stain, then
plastination. The method is not validated, and would be difficult
to validate.
 
> I personally don't go in for the quantum state stuff... if that has
> anything to do with your answer. There is plenty in the brain at the
> gross level to account for what's going on in there, IMHO.

-- 
Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
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