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Title : Astronomy discovery could help treat cancer
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Astronomy discovery could help treat cancer

Astronomers study the stars and black holes have made a discovery that could lead to treatments more effective in the future safer cancer.
Heavy metals emit low-energy electrons when exposed to X-rays at specific energies, researchers found. This raises the possibility that implants made of gold or platinum could allow doctors to destroy tumors with low-energy electrons, while exposing healthy tissue to much less radiation than is possible today, researchers said.

"As astronomers, we apply physics and basic chemistry to understand what is happening in the stars "said astronomer Sultana Nahar, of Ohio State University said in a statement. "We are very excited to apply the same knowledge to potentially treat cancer."
A new type of radiation therapy? computer simulations the researchers suggest that hitting a single atom platinum or gold with a small dose of X-rays in a narrow range of frequencies produces a flood of more than 20 low-energy electrons. These expelled can kill cancer deaths, fragmentation of DNA, the researchers said electrons. So doctors could integrate many heavy metal nanoparticles inside and around tumors, then hit them with a shot to the measurement of radiation. The resulting electron shower could destroy a tumor. And the process greatly reduce radiation exposure to a patient compared to most existing treatment methods radiation, researchers said. The team has built a prototype device that shows that specific X-ray frequencies can release low-energy electrons from nanoparticles of heavy metals. While the machine has to be developed further, it is to provide a proof of principle for the technique potential cancer treatment .
"This work could lead to a combination of radiation therapy with chemotherapy based on platinum as the active agent," said astronomer Anil Pradhan, also the state of Ohio.
Nahar presented the results at the International Symposium on Molecular Spectroscopy in Columbus, Ohio, in June.
Inspired by the heavens Researchers discovered this new potential cancer treatment after studying the heavens. Specifically, they were trying to understand how different are made the stars , based on how radiation flows through them and emanates from them.
The team constructed complex computer models to simulate these processes. Models clued in heavy metals such as iron how behave when they absorb different types of radiation.
Iron plays a key role in controlling the flow of radiation through the stars. But also observed in some black hole environments , which produce some types of X-rays that can be detected from Earth, researchers said.
"That was when we realized that the consequences were far beyond atomic astrophysics " Pradhan said. "X-rays are used all the time in radiation treatments and images, and so are heavy metals. - Not this way If we could point to nanoparticles of heavy metals certain body parts, images X-ray and therapy could be more powerful, reduce radiation exposure and be much more precise. "
Nahar, Pradhan and medical physicist Yan Yu from Thomas Jefferson University medical College they are working with partners to explore further medical applications of their findings, the researchers said.
Source: MSNBC

"Astronomy discovery could help treat cancer", article source: riseearth.com

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