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An illustration of how fluorescent-tagged DNA interacts with functionalized graphene. Both single-stranded DNA (A) and double-stranded DNA (B) are adsorbed onto a graphene surface, but the interaction is stronger with ssDNA, causing the fluorescence on the ssDNA to darken more. C) A complimentary DNA nears the ssDNA and causes the adsorbed ssDNA to detach from the graphene surface. D) DNA adsorbed onto graphene is protected from being broken down by enzymes.

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Document Title: DNA interaction with functionalized graphene
Category: Materials Science
Media Type: Graphics
Date of Image/Photo: September 2009
Background:
URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/DRAE-7VZ2DP

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