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Researchers use nanoparticles as destructive beacons to zap tumors
Date:7/21/2010

when hit with a laser.

"To find the exact location of the nanoparticle in the human body is very important to the treatment," says Xuanfeng Ding, M.S., who is presenting the work today in Philadelphia. "It is really exciting to watch the tumor labeled with the nanotubes begin to shrink after the treatment."

The results are part of Ding's ongoing Ph.D. thesis work -- a multi-disciplinary project led by Suzy Torti, Ph.D., professor of biochemistry at Wake Forest Baptist, and David Carroll, Ph.D., director of the Wake Forest University Center for Nanotechnology and Molecular Materials, that also includes the WFUBMC Departments of Physics, Radiation Oncology, Cancer Biology, and Biochemistry.

A previous study by the same group showed that laser-induced thermal therapy using a closely-related nanoparticle actually increased the long-term survival of mice with tumors. The next step in this project is to see if the iron-loaded nanoparticles can do the same thing.

If the work proves successful, it may one day help people with cancer, though the technology would have to prove safe and effective in clinical trials.

Dan Bourland, Ph.D., associate professor of radiation oncology and Ding's advisor, praises the high quality of Ding's work and says that the project is a strong example of today's "team science" that is needed for success in the biomedical fields.


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Contact: Jessica Guenzel
jguenzel@wfubmc.edu
336-716-3487
Wake Forest University Baptist Medical Center
Source:Eurekalert

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