Crystals That Can Switch Configurations

For associate professor of Chemical and Biomolecular Engineering John Crocker, DNA is not just the stuff of genetics, but the makings of the perfect building block.

"The great thing about DNA is that it will only bind to other DNA that has the complementary sequence," Crocker says. "So engineers have long thought that we could make a whole library of parts, put the appropriate sequences on the outside, then put them in a test tube and they would self-assemble."

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Video by School of Engineering and Applied Science