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Earlier Melanoma Detection Spurred on by Gold; Alexander Graham Bell

Posted: August 16, 2010

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In experiments with mice, melanomas took up four times as many "functionalized" nanocages than nanocages coated with an inert chemical. With the contrast agent, the photoacoustic signal from the melanoma was 36 percent stronger.

But seeing is believing. Subcutaneous mouse melanomas barely visible to the unaided eye show up clearly in the photoacoustic images, their subterranean peninsulas and islands of malignancy starkly revealed.

Kim et al. In Vivo Molecular Photoacoustic Tomography of Melanomas Targeted by Bioconjugated Gold Nanocages. ACS Nano, 2010; 100722071528046 DOI: 10.1021/nn100736c