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Graphene-DNA Biosensor Selective, Simple to Create

Scientists at the Department of Energy's Pacific Northwest National Laboratory in collaboration with Prof. Ilhan Aksay at Princeton University have shown that single-stranded DNA can be promptly adsorbed onto functionalized graphene via hydrophobic and π-stacking interactions. The absorbed single-stranded DNA can then be protected from enzymatic attack, a characteristic that should make graphene-based DNA biosensors highly durable. (See the complete story here.)

A description of this work provides the cover story for the June 6, 2010, issue of the journal Small.

Tag(s): Ilhan Aksay