Small and Smaller: Protein Nanoarrays Described and Validated in Science Article | GenomeWeb

If you thought microarrays were tiny, brace yourself for the next small thing: nanoarrays. In this week’s Science, Chad Mirkin and colleagues from Northwestern University and the University of Chicago describe their protein arrays with feature sizes of 100 to 350 nanometers — about 100,000 times smaller than state-of-the-art DNA arrays, which have 18-micrometer features.

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