Detecting the undetectable in prostate cancer screening
New technology 300 times more sensitive than commercial tests, defines new PSA 'zero'
22-Oct-2009 -
A team of Northwestern University researchers, using an extremely sensitive tool based on nanotechnology, has detected previously undetectable levels of prostate-specific antigen (PSA) in patients who have undergone radical prostatectomy.
The researchers found measureable PSA levels in each ...
antibodies
chemistry
gold nanoparticles
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