[ RadSafe ] New cancer weapon: nuclear nanocapsules

[Jaro]

Thanks very much for posting the link to the article.
Very interesting research.

But I notice an obvious error in the article :
<quote>
Astatine, like radium and uranium, emits alpha particles via radioactive
decay. Alpha particles, which contain two protons and two neutrons, are the
most massive particles emitted as radiation.
<end quote>

In Boron-Neutron Capture Therapy (BNCT), the radiation emitted in the
induced Boron fission is an alpha particle (He4 nucleus) and a Lithium ion
(Li7).
Since Li7 is nearly double the mass of He4, it is *untrue* that "Alpha
particles... are the most massive particles emitted as radiation."

Also,
<quote>
"There are no FDA-approved cancer therapies that employ alpha-particle
radiation," said lead researcher Lon Wilson, professor of chemistry.
"Approved therapies that use beta particles are not well-suited for treating
cancer at the single-cell level because it takes thousands of beta particles
to kill a lone cell. By contrast, cancer cells can be destroyed with just
one direct hit from an alpha particle on a cell nucleus."
<end quote>

This is unfortunately true, but it is simply stating that the US FDA hasn't
approved BNCT.
The way things are going, the US may be the last country in the world to
approve BNCT -- right after Outer Mongolia.

 Jaro
^^^^^^^^^^^^^^^^^^^^^



-----Original Message-----
From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl]On
Behalf Of parthasarathy k s
Sent: Friday, August 24, 2007 5:38 AM
To: radsafe at radlab.nl
Subject: [ RadSafe ] New cancer weapon: nuclear nanocapsules


Friends,

The following news just released may be of interest to some of you

http://www.eurekalert.org/pub_releases/2007-08/ru-ncw082307.php

Regards
K.S.Parthasarathy

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