Gold Nanoparticle PSA Test Strips (IMAGE)

Michigan Technological University

Gold Nanoparticle PSA Test Strips

Caption

Gold nanoparticles appear red on test strips; the high-sensitivity mode developed by Xia's team is much darker on the test strip and shows a two-magnitude increase in sensitivity to prostate-specific antigen (PSA).

Credit

Xiaohu Xia/Michigan Tech

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