Test Graphic (IMAGE)

Duke University

Test Graphic

Caption

In the new diagnostic scheme, a label molecule (orange sphere) is kept distant from a nanostar by a RNA spacer (blue). When the matching RNA sequence is present, it strips the spacer out, causing the DNA tether (orange) to curl, bringing the label molecule close to the nanostar. The graph on the right shows the signal spike caused by the resulting amplified emission of light.

Credit

Tuan Vo-Dinh, Duke University

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