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An electric dipole spin resonance protocol making use of hyperfine interaction enacts high-fidelity initialization of a four-qubit nuclear spin register in silicon. This protocol allows for high-fidelity qubit control and a path towards a register-based quantum computer using the exceptional coherence properties of donors in silicon.
The nanospace confinement of a magnetic nanoparticle within a porous cage, coupled with an encodable DNA clutch interface, enables a remotely powered and controlled rotary nanomotor that is autoresponsive to its microenvironment.
The legal definition of a nanomaterial differs around the world, meaning that the same material may be classified as a nanomaterial, or not, depending on the country where it is classified. The first steps towards converging on an international definition are to recognize the differences between existing nanomaterial definitions and to agree on particle counting methods. Meanwhile, we propose a naming convention that indicates the key criteria of a specific definition of a nanomaterial.
Synchronized dynamics of quantum dot ensembles are essential for the generation of giant optical responses. To this end, coherent electronic coupling in quantum dot solids induces cooperative enhancement of nonlinear optoelectronic responses.
A novel scanning single-electron charging spectroscopy enables nanometre-scale imaging of quasiparticle excitations and thermodynamic gaps in generalized Wigner crystals.
This Review highlights the current understanding of mechanisms underlying the mechanical changes occurring in diseased and immune cells and discusses new approaches to leverage and target biomechanical cues for immune engineering at various length scales for therapeutic interventions.
Ptychography is a coherent diffractive imaging method that enables atomic resolution in four-dimensional scanning transmission electron microscopy. Taking advantage of the nature of the investigated object, and therefore using atomic-orbital-like functions for the reconstruction of the object, the resolution can be further improved to an information limit of 14 pm.
Insects have been shown to have the ability to detect different chemical agents. Here, the authors present a nanomaterial-assisted neuromodulation strategy to augment the chemosensory abilities of insects via photothermal effect and on-demand neurotransmitter release from cargo-loaded nanovehicles to augment natural sensory function.
In vivo positron emission particle tracking (PEPT) remains a challenge due to the lack of single-particle tracers. Here a sub-micrometre silica particle has been radiolabelled and isolated with high specific activity, allowing the dynamic tracing of a single particle in vivo using PEPT in mice.
Resolving interactions of negligibly charged or neutral small molecules with their binding partners in a label-free manner is challenging. Here the authors present a single-molecule carbon-nanotube biosensor device for capturing aptamer–neurotransmitter kinetics at high temporal resolution, uncovering four-state structural transitions.
Proteins absorbed on nanomaterials often lose function due to denaturation. A poly(propylene sulfone) nanoparticle with site-specific dipole relaxation has been reported, which allows proteins to anchor to the nanoparticle without disrupting the hydrogen bonding or structure maintaining the protein functionality.
A hybrid valley-centre tandem optical structure that combines perovskites and organic light-emitting diodes is demonstrated to obtain an efficient emitting device, showing the commercial potential of perovskite displays.
Bladder cancer treatment suffers from low therapeutic efficacy. Here the authors present radioactive 131I-labelled urease-powered nanobots that exhibit enhanced accumulation at the tumour site, enabling effective radionuclide therapy at low doses as an alternative treatment option for bladder cancer.
A soft artificial retina with flexible phototransistors and three-dimensional liquid-metal microelectrodes is used to enhance proximity to retinal ganglion cells and minimize damage to soft tissue as well as improve charge injection for vision restoration in retinal degenerative in vivo models.
As singularities in non-Hermitian systems, exceptional points exhibit rich topological characteristics and have potential for sensing applications. Now, a nitrogen-vacancy spin in diamond exhibits a third-order exceptional line upon the introduction of multiple symmetries in the non-Hermitian Hamiltonian of the spin system.
Multidimensional optical information, including intensity, polarization and wavelength, can be simultaneously detected using double twisted black arsenic–phosphorus homojunctions.