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Going beyond the surface
Date:5/15/2014

anges the near-infrared light to visible light, a process known as second harmonic generation. Likewise, natural proteins and lipids within the cells interact with near-infrared laser light and change it to visible light through another process called four-wave mixing.

Thus, visible light can be generated in tumors deep inside the body, and it can be absorbed by the drug. This activates the drug, which then destroys the tumor.

The procedure has numerous advantages, said the study's leader, Paras Prasad, PhD, SUNY Distinguished Professor in chemistry, physics, electrical engineering, and medicine at UB, and the ILPB's executive director.

"There are no long-term side effects for PDT, it's less invasive than surgery, and we can very precisely target cancer cells," he said. "With our approach, PDT is enriched to provide another tool that doctors can use to alleviate the pain of millions of people suffering from cancer."

UB has applied for a patent to protect the team's discovery, and the university's Office of Science, Technology Transfer and Economic Outreach (UB STOR) is discussing potential license agreements with companies interested in commercializing it.

The research is a collaboration between ILPB, Shenzhen University in China and Korea University in Korea, with which Prasad is affiliated. It was supported in part by a grant from the U.S. Air Force of Scientific Research. Other co-authors are Aliaksandr Kachynski, Artem Pliss, Andrey Kuzmin and Alexander Baev, all PhDs and researchers within ILPB, and Junle Qu, PhD, Shenzhen University.


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Contact: Cory Nealon
cmnealon@buffalo.edu
716-645-4614
University at Buffalo
Source:Eurekalert  

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