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Structurally designed 'DNA star' creates ultrasensitive test for dengue virus


By folding snippets of DNA into the shape of a five-pointed star using structural DNA nanotechnology, researchers have created a trap that captures dengue virus as it floats in the bloodstream. Once sprung, the trap – which is nontoxic and is naturally cleared from the body – lights up. It’s the most sensitive test yet for the mosquito-borne diseases.

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