[ RadSafe ] DU and other sublimed metals; nano-pathology
John Jacobus
crispy_bird at yahoo.com
Thu Jun 2 15:57:23 CEST 2005
Nanopathology. Like molecular imaging, we used to
call it chemistry.
--- james.g.barnes at att.net wrote:
> Dear all;
>
> Several months ago, I was forwarded a paper by Dr.
> Antonietta Gatti, who is a researcher in the subject
> of nano-pathology (the effect of sub-micron
> particles on health). In this particular work Dr.
> Gatti described a technique whereby extremely tiny
> particles of metals (and maybe other materials; I
> forget) can be located and identified at the
> cellular level. Because of the particles are
> extremely small, they don't behave as larger
> particles do, and can quite readily migrate
> throughout the body. In this application, Dr. Gatti
> was evaluating tumor tissues of individuals living
> in the Balkans (and I believe some Italian soldiers)
> who had purportedly been exposed to DU munitions.
> By examining the cancerous tissues, identifying
> nano-particles, and identifying the materials, she
> hoped to determine if uranium was a possible
> causative agent in these cancers.
>
> Interestingly, she didn't find any DU in these
> tissues at all, but she did find relatively large
> quantities of other metals (particularly lead). Her
> hypothesis is that the DU (and tungsten) ignite and
> burn at extremely high temperatures upon impact,
> which then vaporize the associated metallics in the
> round. She hypothesis that this extremely high
> temperature creates a large quantity of
> nanoparticles of various compositions. It appears
> that these are inhaled or ingested, and then migrate
> into the body tissues, with the subsequent potential
> for carcinogenesis. The fact that DU was not
> present in the cancerous tissue, but other metals
> were, is quite interesting. It doesn't prove the
> other metals are the cancer causing agents, but it
> does seem to de-emphasize DU as a culprit.
>
> The discussion at the below link appears very
> similar to what I read, although I think I had a
> slightly different version.
>
> http://avigolfe.ifrance.com/studies.htm
>
> [If you scroll down a bit, there are several
> photo-micrographs of deposited particles.]
>
> I'll add that I met Dr. Gatti late last year in New
> York. I was impressed with her work and the
> directions that it appears to lead. My sense was
> (and is) that she has approached this question in a
> scientific manner, and didn't appear to me to be
> biased in one direction or the other on the subject
> of DU.
>
> Jim Barnes, CHP
> james.g.barnes at att.net
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+++++++++++++++++++
"Every now and then a man's mind is stretched by a new idea and never shrinks back to its original proportion." -- Oliver Wendell Holmes, Jr.
-- John
John Jacobus, MS
Certified Health Physicist
e-mail: crispy_bird at yahoo.com
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