Comparative electrostatic force microscopy of tetra- and intra-molecular G4-DNA.
ADVANCED MATERIALS(2014)
Abstract
Two forms of G4-DNA, with parallel and pairwise anti-parallel strands, are studied using atomic force microscopy. The directionality of the strands affects the molecules' structural properties (different height and length) and their electrical polarizability. Parallel G4-DNA is twice as polarizable as anti-parallel G4-DNA, suggesting it is a better electrical wire for bio-nanoelectronics.
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Key words
dna nanoelectronics,g4-dna,electrostatic force microscopy (efm),molecular electronics
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