This story originally appeared in the October issue of .

“Imagine if you had to download all the information on the Internet and search it every time you wanted to find something online. That’s essentially what whole-genome sequencing is,” says Michael Heltzen, chief executive officer of Cardea Bio. In partnership with researchers at Berkeley and the ĢƵ Institute, led by , PhD, Cardea has built a graphene-based CRISPR detector, the CRISPR-Chip, the first transistor to search the genome for mutations (see Sidebar, “ to read chapter 4.”). The results were published in March 2019 in Nature Biomedical Engineering.

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