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By combining metal ions, organic linkers and polymers, ordered frameworks with controlled crystallite size can form. When fabricated into membranes, they combine superlative CO2/N2 separation properties with good hydrolytic stability.
A vaccine platform developed from a synthetic polymeric glyco-adjuvant and reversibly conjugated to an antigen was shown to target dendritic cells leading to cellular and humoral immune response against malaria.
Higher-order topological acoustic metamaterials on kagome lattices, which host topologically protected corner states, can confine sound at corners. This may lead to applications of acoustic metamaterials in local acoustic field enhancement, trapping and manipulating of particles, and acoustic sensing and probing.
Despite an enormous number of nanopores that could, in principle, be formed in atomically thin materials, advanced modelling reveals that in typical experiments rather limited ensembles of most likely nanopores should be observed.
The physics of a second-order topological insulator, such as two-dimensional polarization, one-dimensional edge states and zero-dimensional corner states, are demonstrated experimentally in an acoustic breathing kagome lattice.
Nanopores in 2D materials have various possible lattice isomers, making relevant quantitative analysis difficult. An isomer-cataloguing framework is developed to address this problem, demonstrating remarkable agreement between simulated and experimental data.
Thermal management can improve device function, but the role of dislocations is poorly understood. Here, thermoreflectance measurements show orientated dislocations in InN cause a thermal anisotropy ratio of 10, which is not predicted by standard models.
A monomer molecular dopant with high electron affinity is shown to accept up to two electrons from conjugated polymers with low ionization efficiency and then generate free charge carriers with an efficiency of up to 170%.
Black phosphorus is being considered for energy storage but its rate and cycling capabilities are limited by intrinsic (de-)alloying. Molecular-level surface redox sites on oxidized black phosphorus can now be coupled with graphene via strong interlayer bonding.
Controlling crystallite size can lead to improved applications. Here, this is achieved by a combination of metal ions, organic linkers, and polymers; the resultant membrane displays promising CO2/N2 separation properties and hydrolytic stability.
A vaccine platform has been developed from a polymeric glyco-adjuvant conjugated to an antigen, and is now shown to target dendritic cells via mannose-binding receptors and generate potent cellular and humoral immune response against malaria.