DNA Origami Ring Structures as Construction Element of Self‐Thermophoretic Swimmers

Heerwig, Andreas; Schubel, Martin; Schirmer, Christine; Herms, Alexander; Cichos, Frank; Mertig, Michael

doi:10.1002/pssa.201970040

Cited by 1 publication

(1 citation statement)

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“…Another plausible concept to fabricate microswimmers is thermophoresis. Herms et al 142 and Heerwig et al 143 proposed janus-type hybrid nanoparticles made from AuNP and DNA origami as self-thermophoretic swimmers. The authors predicted that the temperature gradient created by the asymmetric particles when the AuNPs absorb energy from laser irradiation could generate a slip flow to propel the swimmer forward.…”

Section: Sensors and Walkersmentioning

confidence: 99%

Robotic DNA Nanostructures

et al. 2020

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Over the past decade, DNA nanotechnology has spawned a broad variety of functional nanostructures tailored toward the enabled state at which applications are coming increasingly in view. One of the branches of these applications is in synthetic biology, where the intrinsic programmability of the DNA nanostructures may pave the way for smart task-specific molecular robotics. In brief, the synthesis of the user-defined artificial DNA nano-objects is based on employing DNA molecules with custom lengths and sequences as building materials that predictably assemble together by obeying Watson–Crick base pairing rules. The general workflow of creating DNA nanoshapes is getting more and more straightforward, and some objects can be designed automatically from the top down. The versatile DNA nano-objects can serve as synthetic tools at the interface with biology, for example, in therapeutics and diagnostics as dynamic logic-gated nanopills, light-, pH-, and thermally driven devices. Such diverse apparatuses can also serve as optical polarizers, sensors and capsules, autonomous cargo-sorting robots, rotary machines, precision measurement tools, as well as electric and magnetic-field directed robotic arms. In this review, we summarize the recent progress in robotic DNA nanostructures, mechanics, and their various implementations.

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Section: Sensors and Walkersmentioning

confidence: 99%