Advancing the utility of DNA origami technique through enhanced stability of DNA-origami-based assemblies

S Manuguri, MK Nguyen, J Loo… - Bioconjugate …, 2022 - ACS Publications
Since its discovery in 2006, the DNA origami technique has revolutionized bottom-up
nanofabrication. This technique is simple yet versatile and enables the fabrication of …

Fabricating higher-order functional DNA origami structures to reveal biological processes at multiple scales

Y Zhou, J Dong, Q Wang - NPG Asia Materials, 2023 - nature.com
DNA origami technology enables the precise assembly of well-defined two-dimensional and
three-dimensional nanostructures with DNA, an inherently biocompatible material. Given …

Lantern-shaped flexible RNA origami for Smad4 mRNA delivery and growth suppression of colorectal cancer

M Hu, C Feng, Q Yuan, C Liu, B Ge, F Sun… - Nature …, 2023 - nature.com
Abstract mRNA delivery has shown high application value in the treatment of various
diseases, but its effective delivery is still a major challenge at present. Herein, we propose a …

Homogeneous, simple, and direct analysis of exosomal PD-L1 via aptamer-bivalent-cholesterol-anchor assembly of DNAzyme (ABCzyme) for tumor immunotherapy

J Hao, J Wang, Y Dong, J Yang, Z Wang… - Analytical …, 2023 - ACS Publications
Breakthroughs in immune checkpoint inhibitor (ICI) therapy have revolutionized clinical
tumor therapy. Immunohistochemistry (IHC) analysis of PD-L1 in tumor tissue has been used …

High-force application by a nanoscale DNA force spectrometer

M Darcy, K Crocker, Y Wang, JV Le… - ACS …, 2022 - ACS Publications
The ability to apply and measure high forces (> 10 pN) on the nanometer scale is critical to
the development of nanomedicine, molecular robotics, and the understanding of biological …

Planar 2D wireframe DNA origami

X Wang, S Li, H Jun, T John, K Zhang, H Fowler… - Science …, 2022 - science.org
Two-dimensional (2D) DNA origami is widely used for applications ranging from excitonics
to single-molecule biophysics. Conventional, single-layer 2D DNA origami exhibits flexibility …

Superstructure-dependent stability of DNA origami nanostructures in the presence of chaotropic denaturants

M Hanke, D Dornbusch, E Tomm, G Grundmeier… - Nanoscale, 2023 - pubs.rsc.org
The structural stability of DNA origami nanostructures in various chemical environments is
an important factor in numerous applications, ranging from biomedicine and biophysics to …

Effect of Ionic Strength on the Thermal Stability of DNA Origami Nanostructures

M Hanke, E Tomm, G Grundmeier, A Keller - ChemBioChem, 2023 - Wiley Online Library
The stability of DNA origami nanostructures in aqueous media is closely tied to the presence
of cations that screen electrostatic inter‐helix repulsion. Here, the thermal melting behavior …

DNA origami fiducial for accurate 3D atomic force microscopy imaging

PJ Kolbeck, M Dass, IV Martynenko… - Nano Letters, 2023 - ACS Publications
Atomic force microscopy (AFM) is a powerful technique for imaging molecules,
macromolecular complexes, and nanoparticles with nanometer resolution. However, AFM …

Strategies for the site-specific decoration of DNA origami nanostructures with functionally intact proteins

J Hellmeier, R Platzer, V Mühlgrabner… - ACS …, 2021 - ACS Publications
DNA origami structures provide flexible scaffolds for the organization of single biomolecules
with nanometer precision. While they find increasing use for a variety of biological …