X-Message-Number: 16578
Date: Mon, 18 Jun 2001 13:44:24 -0400 (EDT)
From: Charles Platt <>
Subject: 21CM Ice Blocker as an Additive

In a previous post I stated that 21CM's ice blocker can be used in
conjunction with "existing protocol." What I should have said is that the
ice blocker can be used in conjunction with the type of conventional
glycerol solution that is used in existing protocol--PROVIDED THAT the
glycerol reaches a high terminal concentration in the perfused tissues.

Since the terminal concentration reported by Robert Ettinger on Cryonet
some months ago is really quite low, CI would need to upgrade its
perfusion capability before it could profitably add the ice blocker. This
is pretty much what Ben Best said in his post.

One can reach two conclusions from these statements. Either it's pointless
for CI to experiment with the ice blocker; or CI might consider improving
its perfusion technique to reach a higher terminal concentration, so that
the ice blocker could be used to provide greatly enhanced protection for
its patients.

--CP

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