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 JoVE Chemistry

Preparation of Mica and Silicon Substrates for DNA Origami Analysis and Experimentation

1Department of Chemistry and Biochemistry, University of Notre Dame, 2Department of Chemical and Biomolecular Engineering, University of Notre Dame, 3Department of Chemistry, Physics, and Engineering Studies, Chicago State University, 4Department of Technology, Ivy Tech Community College, South Bend, Indiana


JoVE 52972

Reproducible cleaning processes for substrates used in DNA origami research are described, including bench-top RCA cleaning and derivatization of silicon oxide. Protocols for surface preparation, DNA origami deposition, drying parameters, and simple experimental set-ups are illustrated.

 JoVE Bioengineering

Designing a Bio-responsive Robot from DNA Origami

1Faculty of Life Sciences and the Institute for Nanotechnology & Advanced Materials, Bar-Ilan University


JoVE 50268

DNA origami is a powerful method for fabricating precise nanoscale objects by programming the self-assembly of DNA molecules. Here, we describe how DNA origami can be utilized to design a robotic robot capable of sensing biological cues and responding by shape shifting, subsequently relayed to a desired effect.

 JoVE Chemistry

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles

1Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, 2Department of Chemistry, The Johns Hopkins University


JoVE 50022

We describe experimental details of the synthesis of patterned and reconfigurable particles from two dimensional (2D) precursors. This methodology can be used to create particles in a variety of shapes including polyhedra and grasping devices at length scales ranging from the micro to centimeter scale.

 JoVE Chemistry

Self-assembly of Complex Two-dimensional Shapes from Single-stranded DNA Tiles

1Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, 2Wyss Institute for Biologically Inspired Engineering, Harvard University, 3Department of Systems Biology, Harvard Medical School


JoVE 52486

DNA tiling is an effective approach to make programmable nanostructures. We describe the protocols to construct complex two-dimensional shapes by the self-assembly of single-stranded DNA tiles.

 JoVE Biology

Test Samples for Optimizing STORM Super-Resolution Microscopy

1Analytical Science Division, National Physical Laboratory


JoVE 50579

We describe the preparation of three test samples and how they can be used to optimize and assess the performance of STORM microscopes. Using these examples we show how to acquire raw data and then process it to acquire super-resolution images in cells of approximately 30-50 nm resolution.

 JoVE Bioengineering

Magnetic Tweezers for the Measurement of Twist and Torque

1Department of Bionanoscience, Kavli Institute of Nanoscience, Delft University of Technology


JoVE 51503

Magnetic tweezers, a powerful single-molecule manipulation technique, can be adapted for the direct measurements of the twist (using a configuration called freely-orbiting magnetic tweezers) and torque (using a configuration termed magnetic torque tweezers) in biological macromolecules. Guidelines for performing such measurements are given, including applications to the study of DNA and associated nucleo-protein filaments.

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