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Nanoshells Burn Up Cancer in Animals

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posted on Jun, 23 2004 @ 04:21 PM

A cancer treatment that uses a combination of gold nanoshells and near-infrared light to burn tumors while sparing healthy tissue has proven effective in mice.

The approach, being developed by researcher Jennifer West and colleagues at Rice University in Houston, Texas, could be a minimally invasive treatment for tumors in humans.

"We are extremely encouraged by the results of these first animal tests," says West. "These results confirm that nanoshells are effective agents for the photothermal treatment of in vivo tumors."

Gold nanoshells

Nanoshells—tiny particles of silica coated with gold—are about 20 times smaller than a red blood cell.

The cancer treatment developed by the Rice team uses nanoshells tuned to respond to near-infrared light.

Located just outside the visible spectrum, near-infrared light passes harmlessly through soft tissue to the nanoshells.

The nanoshells convert this light into heat, which destroys tumor cells without affecting healthy neighboring tissue.


No idea why this hasn't hit the networks yet.

[edit on 23-6-2004 by Jonna]

posted on Jun, 24 2004 @ 02:59 AM
This was reported in CBS News in Nov last year.

However, it may be more widely reported when the research is carried out on humans, which should be in 6 -12 months. A company called Nanospectra Biosciences has the lisense to do this.

There is still a lot more research to be carried out.

"will require a considerable amount of further work" to overcome the problem of directing the nanoshells to the specific tumor sites.

Let's hope they get somewhere with is as it may be effective in treating cancers that are difficult to operate on.

but would be most effective on cancers that can't be removed surgically because they're in an awkward location, such as in the brain

From here

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