[ RadSafe ] LNT

[Jeff Terry]

I have cleared your moderating flag.

Jeff

Sent from my iPad

On Sep 30, 2011, at 12:38 PM, James Salsman <jsalsman at gmail.com> wrote:

> [Jeff, I know you're not permitting my posts on RADSAFE recently, but
> I hope you will please make an exception for this one since Dr. Raabe
> replied to me cc'ing the list.]
> 
> ---------- Forwarded message ----------
> From: James Salsman <jsalsman at gmail.com>
> Date: Thu, Sep 29, 2011 at 2:38 PM
> Subject: Re: [ RadSafe ] LNT
> To: "Otto G. Raabe" <ograabe at ucdavis.edu>
> 
> 
> On Thu, Sep 29, 2011 at 1:57 PM, Otto G. Raabe <ograabe at ucdavis.edu> wrote:
>> At 10:41 AM 9/29/2011, James Salsman wrote:
>> 
>> How do you control for confounding effects when the internal emitters
>> are chemical genotoxins?
>> 
>> Give me one example. I don't know of any radionuclides that are also
>> chemical genotoxiicants in typical exposure quantities even though I have
>> been studying radiation effects for many years.
> 
> Uranium e.g. http://toxsci.oxfordjournals.org/content/89/1/287.abstract
> or http://www.ncbi.nlm.nih.gov/pubmed/19914362
> 
>> If chemical toxicity is a factor, any observed effect might be attributed to
>> the ionizing radiation.
> 
> That's absolutely true.  I am not sure there's a way to separate the
> causes (although that pubmed reference using different isotopes might
> be one way.)  Few people know that uranyl ion is used to stain DNA for
> x-ray and visible microscopy.