Design, Control, and Implementation of DNA Origami Mechanisms PDF
By:Alexander E. Marras
Published on 2017 by
DNA origami enables the precise fabrication of nanoscale geometries. We demonstrate an approach to engineer complex and reversible motion of nanoscale DNA origami mechanisms. Following a traditional macroscopic machine design approach, we developed flexible DNA origami rotational and linear joints that integrate stiff double-stranded DNA components and flexible single-stranded DNA components to constrain motion along a single degree of freedom and demonstrate the ability to tune flexibility and range of motion. Linear motion was achieved by folding a tube concentrically around a track through a novel approach of programmed sequential folding so the track folds first, and then the tube is constrained to assemble around the track. Multiple joints were then integrated into various higher order mechanisms including a crank–slider that couples rotational and linear motion. We have also demonstrated multiple actuation methods to achieve reversible conformational changes via short DNA connections distributed throughout the mechanisms. Ongoing work includes the hierarchical assembly of multiple two-state mechanisms for propagated motion across micron-scale distances. Our results provide a framework for controllable 2D and 3D DNA-based mechanisms and materials that could be used for measuring and manipulating biomolecules, biosensing, and transport.
This Book was ranked at 34 by Google Books for keyword Origami.
Book ID of Design, Control, and Implementation of DNA Origami Mechanisms's Books is jN-6tQEACAAJ, Book which was written byAlexander E. Marrashave ETAG "UNP4wTfdNnQ"
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