Layered graphene-mica substrates induce melting of DNA origami

Monolayer graphene supported on mica substrates induce melting of cross-shaped DNA origami. This behavior can be contrasted with the case of origami on graphene on graphite, where an expansion or partially re-organized structure is observed. On mica, only well-formed structures are observed. Compari...

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Bibliographic Details
Published in:Materials research express 2018-04, Vol.5 (4), p.45035
Main Authors: Green, Nathaniel S, Pham, Phi H Q, Crow, Daniel T, Burke, Peter J, Norton, Michael L
Format: Article
Language:English
Subjects:
atomic force microscopy
DNA origami
graphene
mica
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Summary:Monolayer graphene supported on mica substrates induce melting of cross-shaped DNA origami. This behavior can be contrasted with the case of origami on graphene on graphite, where an expansion or partially re-organized structure is observed. On mica, only well-formed structures are observed. Comparison of the morphological differences observed for these probes after adsorption on these substrates provides insights into the sensitivity of DNA based nanostructures to the properties of the graphene monolayer, as modified by its substrate.
ISSN:2053-1591
2053-1591
DOI:10.1088/2053-1591/aabcab