Innovative test based on nanoshells could provide critical info for ER doctors, others
Nanotechnology researchers at Rice University have developed a new method of testing whole blood that could allow emergency room doctors and other point-of-care health professionals to rapidly diagnose a variety of ailments, including hemorrhagic stroke, heart attack, and various infectious diseases.
The test, which is faster than existing whole-blood immunoassays, uses gold nanoshells, tiny optically active gold-coated glass particles that are so small about 700 could fit in the diameter of a human hair.
In laboratory tests at Rice, the nanoshell immunoassay was capable of detecting less than one billionth of a gram of the glycoprotein immunoglobulin G, or IgG, per milliliter of whole blood.
Jade Boyd | EurekAlert!
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