Enhanced structural stability of DNA origami nanostructures by graphene encapsulation
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in: New journal of physics, Jahrgang 18.2016, Nr. 2, 025016, 15.02.2016.
Publikationen: Beitrag in Fachzeitschrift › Artikel › Forschung › (peer-reviewed)
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TY - JOUR
T1 - Enhanced structural stability of DNA origami nanostructures by graphene encapsulation
AU - Matković, Aleksandar
AU - Vasić, Borislav
AU - Pesic, Jelena
AU - Prinz, Julia
AU - Bald, Ilko
AU - R Milosavljevic, Aleksandar
AU - Gajić, Radoš
PY - 2016/2/15
Y1 - 2016/2/15
N2 - We demonstrate that a single-layer graphene replicates the shape of DNA origami nano structures very well. It can be employed as a protective layer for the enhancement of structural stability of DNA origami nano structures. Using the AFM based manipulation, we show that the normal force required to damage graphene encapsulated DNA origami nano structures is over an order of magnitude greater than for the unprotected ones. In addition, we show that graphene encapsulation offers protection to the DNA origami nano structures against prolonged exposure to deionized water, and multiple immersions. Through these results we demonstrate that graphene encapsulated DNA origami nano structures are strong enough to sustain various solution phase processing, lithography and transfer steps, thus extending the limits of DNA-mediated bottom-up fabrication.
AB - We demonstrate that a single-layer graphene replicates the shape of DNA origami nano structures very well. It can be employed as a protective layer for the enhancement of structural stability of DNA origami nano structures. Using the AFM based manipulation, we show that the normal force required to damage graphene encapsulated DNA origami nano structures is over an order of magnitude greater than for the unprotected ones. In addition, we show that graphene encapsulation offers protection to the DNA origami nano structures against prolonged exposure to deionized water, and multiple immersions. Through these results we demonstrate that graphene encapsulated DNA origami nano structures are strong enough to sustain various solution phase processing, lithography and transfer steps, thus extending the limits of DNA-mediated bottom-up fabrication.
KW - graphene
KW - DNA origami
KW - wear protection
KW - encapsulation
U2 - 10.1088/1367-2630/18/2/025016
DO - 10.1088/1367-2630/18/2/025016
M3 - Article
VL - 18.2016
JO - New journal of physics
JF - New journal of physics
SN - 1367-2630
IS - 2
M1 - 025016
ER -
