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Faster diagnostics through cheap, ultra-portable blood testing
Date:9/1/2011

his makes the technique very specific and adaptable for any given application." The approach also requires less-bulky optics, which is the key to the portability aspect of the design.

Aptamer sensors, according to the researchers, are also capable of being reversibly denatured, meaning they can easily release their target molecules, which makes them perfect receptors for biosensing applications.

"The advantage of this surface plasmon sensor," says Cameron, "is that it enabled us to demonstrate low sample consumption, high sensitivity, and fast response time." The direct detection of blood proteins in this manner can benefit a number of scientific and clinical applications, such as monitoring diabetes, drug research, environmental monitoring, and cancer diagnosis.

For commercial use in medical diagnostics, according to Cameron, the technology is three to five years away, pending FDA procedures and filings. "The time frame is very dependent on the target application area. We are currently in the procedure of determining suitable aptamers for a range of target proteins for both diabetic and cancer-related applications," he says.


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Contact: Angela Stark
astark@osa.org
202-416-1443
Optical Society of America
Source:Eurekalert  

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