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Propylene and propylene oxide are formed over boron nitride or SiO2 in the gas phase without yielding large amounts of CO2. Conversion at non-specific interfaces can thus be a successful strategy for the synthesis of oxidation-sensitive products.
Nacre structure is used as inspiration in the design of impact resistant materials yet natural nacre is overcome by high impact speed attacks from predators. Here, the authors perform a range of testing and demonstrate superior energy dissipation of nacre-like structures at low impact velocities which is lost at higher impact velocities.
Here, the authors predict that plasmons in two-dimensional materials with closely located electron and hole Fermi pockets can be amplified when an electrical current bias is applied along the displaced electron-hole pockets, without the need for an external gain medium.
In this work the authors uncover a transient non-Hermitian skin effect. Using a passive system, they confirm the exact evolution of NHSE by leveraging the complex-frequency excitation. This demonstration can be extended to other non-Hermitian phenomena in various passive systems.
Vaccine effectiveness of a ChAdOx1-S booster was estimated in a test-negative case-control study in England. Protection was found to be moderate against mild disease but remained high and comparable to that of an mRNA booster against hospitalisation with Omicron.
Techniques for tagging active neurons with high spatiotemporal precision are limited. Here the authors report soma-targeted CalLight (ST-Cal-Light) which selectively converts somatic calcium rise triggered by action potentials into gene expression, and generate a conditional ST-Cal-Light knock-in mouse.
Ultrahigh-resolution patterning with high-throughput and high-fidelity is highly in demand for expanding the potential of OLEDs. Here, the authors report that silicone-incorporated organic light-emitting semiconductors can achieve anisotropic lithography via reactive ion etching-coupled photolithography, for ultrahigh-density RGB OLED arrays.
SARS-CoV-2 pathogenesis is very complex and not fully understood yet. Here, Jeong et al. show that intranasally infected K18-hACE2 transgenic mice develop ocular infection and retinal inflammation, while intratracheal infection results in the dissemination of SARS-CoV-2 from mouse lungs to their brain and eyes via unidirectional route and confirm the tissue tropism in Syrian hamster model.
Reversible and asymmetric adhesion is needed in removable post-operative patches to reduce trauma and prevent tissue adhesions. Here, the authors report on a conductive musselinspired adhesive Janus hydrogel with an anti-adhesive top for cardiac repair which can be removed using glutathione solutions.
Multiple sclerosis (MS) changes the composition of the CSF. Here the authors use patient samples and aggregate CSF biomarkers into models that predict disability across all MS phenotypes, and identify potentially causal mechanisms and molecular disease heterogeneity.
Liquid biopsy offers great promise for noninvasive cancer diagnostics, while the lack of adequate target characterization and analysis hinders its wide application. Here, the authors design a transfer learning-based algorithm to transfer lesion labels from the primary cancer cell atlas to circulating tumor cells.
It is still a challenge to accurately identify off-target endonuclease edits. Here the authors report PEAC-seq using a Prime Editor to insert a tag to the editing sites and enrich the tagged regions with site-specific primers for sequencing: they show that PEAC-seq could identify DNA translocations.
The high persistence of deep soil carbon is controlled by bioenergetic constraints of decomposers resulting from the poor energy quality of soil carbon together with the lack of energy supply by roots due to their low density at depth
Mechanical strain is a powerful tuning knob for excitons in two-dimensional semiconductors. Here, the authors find that under the application of strain, dark and localized excitons in monolayer WSe2 are brought into energetic resonance, forming a new hybrid state that inherits the properties of the constituent species.
Late prenatal development of the human neocortex encompasses a critical period of gliogenesis and cortical expansion. Here, authors use human transcriptomics to capture transience and diversity of cells in middle and late prenatal development, including glial progenitor signatures.