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A renally cleared, water-soluble dye emitting in the near-infrared-imaging (NIR)-II window outperforms a clinically approved NIR-I dye in the in vivo imaging of tumours and their nearby blood and lymphatic vasculatures.
An engineered tumour model based on a rolling scaffold–tumour composite strip that can be rapidly disassembled for snapshot analyses preserves cell-to-cell interactions and enables spatial mapping of cell metabolism and cell phenotype.
Porous materials functionalized with catalytic metals typically possess single catalytic functionalities. The hierarchical ordering of porous silica for directed transport between compartmentalized catalytic regions is presented.
In polymer-based nanocomposites the polymeric phase is often confined between stiff inorganic phases. The effect of this confinement on mechanical properties is assessed.
The absorption and desorption mechanism of hydrogen in palladium nanoparticles is complex. Based on thermodynamic considerations a mechanism consistent with an interfacial model different from bulk Pd behaviour is now proposed.
A polymeric protein complex consisting of a newly identified magnetoreceptor protein and known magnetoreception-related photoreceptor cryptochromes exhibits spontaneous alignment in magnetic fields.
Molybdenum disulphide is a promising non-precious catalyst for hydrogen evolution because it contains active edge sites and an inert basal plane. Introducing sulphur vacancies and strain now leads to activation and optimization of the basal plane.
A hydrogel-design strategy achieves transparent and conductive bonding of synthetic hydrogels to a variety of non-porous surfaces, with interfacial toughness values over 1,000 J m−2.
Band structures with Fermi arcs characteristic of Weyl semimetals are observed on NbP and TaP. By studying NbP, TaP and TaAs, the evolution of the Fermi surface with the spin–orbit coupling is reported.
Aggregations of fire ants are viscoelastic with identical elastic and viscous moduli, and exhibit shear-thinning behaviour when deformed beyond the linear regime.
Although rechargeable batteries that use light electropositive metal anodes are attractive, electrodeposition of calcium has proved difficult. Calcium plating at moderate temperatures using conventional organic electrolytes has now been demonstrated.
N-Heterocyclic carbene Ir(III) complexes, used as deep blue phosphorescent emitters and as electron-blocking dopants in organic LEDs, allow the realization of devices with very high brightness and reduced efficiency roll-off.
A magnesium-based alloy with large lithium content demonstrates high specific strength in combination with corrosion resistance, associated with the formation of a lithium carbonate surface film that protects the alloy from its environment.
Although protecting photoanodes using metal oxides is attractive for solar fuel applications, the photoanodes typically suffer from poor photovoltage. Now, insulating oxide layers are shown to promote enhanced photovoltages and general design principles are suggested.
A synthetic fibrous material with tunable mechanics and architecture allows researchers to reveal that cells use fibre recruitment to probe and respond to the mechanics of fibrillar matrices.
A super-Förster energy-transfer regime, where coherent and incoherent energy transport processes enhance the diffusion of excitons, is observed at room temperature by tuning the distance between the chromophores’ binding sites in a virus scaffold.
Multiscale molecular dynamics indicate that the crystallization of shock-compressed fused silica and quartz occurs within a few nanoseconds and is mediated by diffusion.