Robles Image for Nature Biotech (IMAGE)

DOE/Lawrence Berkeley National Laboratory

Robles Image for Nature Biotech — Caption

A new method for reading DNA (or RNA) microarrays is based on measuring the electrostatic repulsion between silica microspheres and hybridized DNA. Surface areas containing double-stranded DNA (red) or single-stranded DNA (blue) can be easily distinguished from each other and from background areas by the naked eye.

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Illustration by Flavio Robles, Berkeley Lab Public Affairs

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