DNA nano-foundries cast custom-shaped metal nanoparticles

Researchers have unveiled a new method to form tiny 3-D metal nanoparticles in prescribed shapes and dimensions using DNA, nature's building block, as a construction mold. The ability to mold inorganic nanoparticles out of materials such as gold and silver in precisely designed 3D shapes is a significant breakthrough that has the potential to advance laser technology, microscopy, solar cells, electronics, environmental testing, disease detection and more.

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