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Comments on Earthworms Absorb Copper Nanomaterials From Soil
Update! on copper nanoparticle toxicity study. Engineered nanomaterials can be taken up from the environment and moved up the food chain. (Read the complete story)

"Star Trek fans of course remember another race of burrowing creatures who turned out to be helpful. Be sure to turn up the sound so you can hear the poignant filk song describing the plight of the horta.

(Bill Christensen 12/17/2010 8:32:09 AM)

"Do you have any other Filk Songs?"
(Peter Jacobs 12/17/2010 3:41:12 PM)
"No, I don't. Readers?"
(Bill Christensen 12/17/2010 7:22:05 PM)
"Not about Hortas, tho there's plenty of other Filks available with only a little searching."
(Ashley 12/20/2010 8:17:27 AM)
"Be afraid, be very afraid: Nano copper is toxic: Acute toxicological effects of copper nanoparticles in vivo (pdf)."
(duG 12/20/2010 2:35:45 PM)
"Yikes. Here's an excerpt from the paper:

"The pathological examinations revealed that kidney, liver and and spleen are target organs for nano-copper particles." Take a look at the atrophied mouse spleen (middle) in the following picture.

And listen to this bit from the conclusion to that paper: "In addition, toxicity of nanocopper is sex-dependent: male mice exhibit more severe toxic symptoms and suffer more from nano-copper than females after they exposed to the same mass of particles.""
(Bill Christensen 12/20/2010 2:41:14 PM)

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