[ RadSafe ] Re: Toxin

[James Salsman]

Professor Raabe wrote:

> A toxin is "a poisonous protein of biological origin," as any good 
> dictionary will state.... Uranium is not a protein....

Uranium is often transported as a peptide ligand -- Huang, et al.,
"Uranyl-Peptide Interactions in Carbonate Solution with DAHK and
Derivatives," Inorg. Chem., vol. 44, pp. 813-5 (2005):
   http://www.bovik.org/du/uranyl-peptide.pdf

Sincerely,
James Salsman