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As the size of quantum processors scales up, accurate characterization of errors due to various crosstalks between qubits becomes important. Here the authors use a novel benchmarking protocol to study single-gate fidelities in a 2x2 hole spin qubit array in germanium when qubits are driven simultaneously.
Organic crystals represent potential alternatives to silicon dioxide due to their high flexibility and controllable properties. Here, the authors prepared a hybrid organic crystal material that responds mechanically to infrared light.
Increase of friction between two solid surfaces in stationary contact over time, known as frictional aging, has been widely observed. Farain and Bonn show that, regardless of surface roughness or degree of compression, the normalized stress relaxation of microcontacts is the same as that of bulk material.
Drugs can impact the gut microbiome. Here, Algavi and Borenstein developed a machine-learning framework that successfully predicts the impact of thousands of drugs on hundreds of gut microbes, explaining drug-induced dysbiosis and side effects.
Here the authors assess neutralizing antibody (nAb) levels as correlate of protection in a monoclonal antibody prevention trial and a vaccine trial for COVID-19 and show that nAb titers correlate with clinical protection against COVID-19 supporting nAb titer as a surrogate endpoint for authorization of monoclonal antibodies.
Identifying the 3D crystal plane and strain field distributions of nanocrystals with concave surfaces is challenging. Here, the authors analyze the hidden concave gaps of chiral nanoparticles by using coherent Bragg X-ray diffraction imaging.
Sepsis can cause organ damage through disparate immunological and metabolic processes. Here the authors demonstrate a proteomics-based scoring strategy for quantifying quantitative and organotypic changes in relationship to dosing, timing, and potential synergistic intervention combinations during sepsis.
Cannabidiol (CBD), the nonpsychoactive component in cannabis, is an effective treatment for epilepsy and pain. Here, authors explored the mode of action of CBD on hNav1.7 channels through two distinct binding sites, suggesting a direct stabilization of the inactivated state of channels.
Deficiency in NAD+ has been implicated in skeletal deformities during development in both humans and mice. Here, the authors use mice that lack the critical enzyme of the NAD+ salvage pathway Nampt in mesenchymal lineage cells to show that the NAD salvage pathway is indispensable for endochondral but not intramembranous bone development.
Polymeric vesicles are promising candidates for use in a range of applications including drug delivery and cell mimics, however, control over the shape is still a challenge. Here, the authors report control over local curvature formation by addition of salt ions and stimuli responsive polymer to modulate its interaction with polymeric membrane.
Tailed bacteriophages account for the majority of all phages. Here, the authors employ cryo-EM and structure prediction techniques to investigate the atomic structure of the R4C phage capsid and the in- situ structure of its unique long rigid tail.
This report describes a 3D microelectrode array integrated on a thin-film flexible cable using traditional thin-film processing techniques and direct laser writing of 3D structures at micron resolution via two-photon lithography for neural recording.
Cardiac KATP channels consisting of SUR2A are poorly activated by Mg-ADP compared to other subtypes. Here, the authors present structures of SUR2A and SUR2B, uncovering a regulatory helix that inhibits SUR2A activation.
The cornea is susceptible to various injuries with a complicated repair process. Here, the authors propose a snowflake-inspired, blink-driven flexible piezoelectric contact lens for corneal injury repair.
It is debated how follicular helper T (Tfh) cells versus central memory CD4+ T cells arise from similar precursors, and little is known about the regulation of germinal-centre (GC)-Tfh cell differentiation. Here, authors establish markers in the early precursor stage that distinguish between the GC-Tfh and memory T cell fates and identify an important mechanism that regulates the competitive fitness of the GC-Tfh cells.
Direct seawater electrolysis is promising for sustainable hydrogen production but suffers severe side reactions and corrosion. Here, the authors report a corrosion-resistant electrocatalyst with in situ-formed chloride-ion-repelling cation layer for efficient and long-lasting seawater oxidation.
There are currently two types of antiviral drugs – neutralizing antibodies and small molecule inhibitors. Here, the authors report the development of bicyclic peptides that combine the advantages of both and show their antiviral capacity against SARS-CoV-2 in vitro as well as in small animal models.