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Authors: Xin, Ling
Duan, Xiaoyang
Liu, Na
Title: Dimerization and oligomerization of DNA-assembled building blocks for controlled multi-motion in high-order architectures
Issue Date: 2021 Zeitschriftenartikel 9 Nature communications 12 (2021), No. 3207
ISSN: 2041-1723
Abstract: In living organisms, proteins are organized prevalently through a self-association mechanism to form dimers and oligomers, which often confer new functions at the intermolecular interfaces. Despite the progress on DNA-assembled artificial systems, endeavors have been largely paid to achieve monomeric nanostructures that mimic motor proteins for a single type of motion. Here, we demonstrate a DNA-assembled building block with rotary and walking modules, which can introduce new motion through dimerization and oligomerization. The building block is a chiral system, comprising two interacting gold nanorods to perform rotation and walking, respectively. Through dimerization, two building blocks can form a dimer to yield coordinated sliding. Further oligomerization leads to higher-order structures, containing alternating rotation and sliding dimer interfaces to impose structural twisting. Our hierarchical assembly scheme offers a design blueprint to construct DNA-assembled advanced architectures with high degrees of freedom to tailor the optical responses and regulate multi-motion on the nanoscale.
Appears in Collections:08 Fakultät Mathematik und Physik

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