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Contact: Matt Shipman
North Carolina State University

How Charged Gold Nanoparticles Unravel DNA

Caption: Positively-charged ligands on the nanoparticles attach to the DNA, but the hydrophobic ligands of the nanoparticles became tangled with each other. As this tangling pulled the nanoparticles into clusters, the nanoparticles pulled the DNA apart.

Credit: Yaroslava Yingling, North Carolina State University

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Related news release: Researchers find gold nanoparticles capable of 'unzipping' DNA

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