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July 19, 2010

"Terahertz Gap" Radiation Targets Cancer, Oil Spills


A new radiation mechanism that operates in the range between microwave and infrared frequencies know as the “terahertz gap” has been developed by Japanese researchers and a University of Central Florida physicist Richard Klemm. This innovative radiation mechanism is similar to what is used now to treat cancer, but can target cancer and other diseases more effectively, reducing impact on healthy body parts. “It’s a small range, but these frequencies are the important ones absorbed by biochemical molecules,” Klemm said. Until now, scientists have not had much success using terahertz frequencies.

Instead of simply using radiation to kill tumors, this technique may offer a more direct way track down what’s ailing a patient. “Our mechanism could be used to detect the amino acids in DNA, which may be linked to specific diseases. That means it’s a good diagnostic tool.”

The potential of this technique goes beyond medicine. The radiation mechanism could also be used to find and destroy specific chemicals, for example, to clean up oil spills. Or the technique could detect explosive powder and prevent terrorist attacks.

Study results were published in the physics journal Physical Review Letters. Via University of Central Florida.


Ms. Graham is a writer and editor with a current focus on health and wellness. To read more of her articles, please visit her columnist page.

Edited by Erin Monda
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