Nanoparticle (IMAGE)

University of Washington

Nanoparticle

Caption

On top are photoacoustic images taken for gold nanorods (left), the new UW particle that has a magnetic core and surrounding gold shell (center), and a simple magnetic nanoparticle (right). Below is the same image after processing to remove pixels not vibrating with the magnetic field. The center blob is retained because of the particles' magnetic core and is bright because of the particles' gold shell.

Credit

Xiaohu Gao, University of Washington

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