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Intercalating molecules can significantly change the conformation of DNA. Here, the authors fabricated resonators fully composed of DNA forming bundles between microfabricated pillars to study the vibration property of the DNA bundles with/without intercalant molecules.

The ligand shell of a nanoparticle remains difficult to resolve, as the available characterization methods provide only qualitative information. Here, the authors introduce an approach based on small-angle neutron scattering that can quantitatively reveal the organization of ligands in mixed-monolayer nanoparticles.