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Light and nanoprobes detect early signs of infection
Date:6/20/2013

shined on a sample, the target molecule vibrates and scatters back in its own unique light, often referred to as the Raman scatter. However, this Raman response is extremely weak.

"When the target molecule is coupled with a metal nanoparticle or nanostructure, the Raman response is greatly enhanced by the SERS effect often by more than a million times," said Vo-Dinh, who has been studying the potential applications of SERS for decades.

"This important proof-of-concept study now paves the way for the development of devices that measure multiple genome-derived markers that will assist with more accurate and rapid diagnosis of infectious disease at the point of care," said Geoffrey Ginsburg, director of genomic medicine at the IGSP, executive director of the Center for Personalized Medicine at Duke Medicine, and a professor of medicine and pathology.

"This would guide care decisions that will lead to more effective treatment and improved outcomes of antimicrobial therapy," Ginsburg said. "Point-of-care diagnostics holds great promise to accelerate precision medicine and, more importantly, help patients in limited-resource settings gain access to molecular testing."


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Contact: Richard Merritt
Richard.merritt@duke.edu
919-660-8414
Duke University
Source:Eurekalert

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