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Pulse tube refrigerators are a critical enabling technology for many disciplines that require low temperatures, including quantum computing. Here, the authors show that dynamically optimizing the acoustic parameters of the refrigerator can improve conventional cooldown speeds up to 3.5 times.
Measuring quantum entanglement remains a demanding task. The authors introduce two functions to quantify entanglement induced by fermionic or bosonic statistics, in transport experiments. Both functions, in theory and experiment, are remarkably resilient against the nonuniversal effects of interactions.
Targeting oncogenic ALK activity in neuroblastoma is an attractive therapeutic strategy but success has been limited by resistance to ALK inhibitors. Here, the authors identify loss of miR-1304-5p as a driver of ALK inhibitor resistance via regulation of NRAS, and therapeutically target this axis with the addition of a farnesyltransferase inhibitor in preclinical models of neuroblastoma.
Notwithstanding their success as strongly σ-donating and π-accepting ligands, to date no chelating bis[cyclic (alkyl)(amino)carbenes] have been reported. Here the authors describe a chelating, C2-symmetric bis[cyclic (alkyl)(amino)carbene] ligand, as well as its pseudotetrahedral complexes with iron, cobalt, nickel, and zinc dihalides.
Inspired by the alternating chirality backbone pattern of some effective peptide antimicrobials, here authors design lysine-rich heterochiral peptides that show antimicrobial activity.
This study identifies temporal and coordinately regulated cell-state-specific super-enhancers driving the expression of transcription factors that control circuits needed to switch neuroblastoma tumor cells from self-renewal to differentiation.
Using ice sheet model and glacio-isostatic adjustment model simulations and paleoclimate proxies, this work demonstrates that the most likely cause of past West Antarctic grounding-line reversal was a regime shift from a warm to cold ocean cavity.
The neural mechanisms underpinning visual illusions remains poorly understood. Here, the authors recorded the neural responses of mouse primary visual cortex to illusory grating and found delayed responses to illusory brightness, showing that optogenetic inhibition of higher visual areas reduced V1 response to illusions but not to real gratings.
Little is known about the genetic basis of the rhythmic component of bird song, an important trait in sexual selection and species recognition. By studying a system with innate vocalizations, the Pogoniulus tinkerbirds, this study finds candidate genes that underlie differences in speed in vocal rhythm in this system.
Here, by applying evolutionary genomics approaches to metagenomics data of lake microbiomes, the authors reveal that freshwater species with small genomes face extended periods with their niche adaptation capabilities frozen.
Integrating self-healing capabilities into skin-like stretchable transistors presents a persistent challenge. Here, by using a supramolecular polymer matrix, the authors develop autonomous self-healing transistors and skin-like logic circuits.
Here, using murine models of prostate cancer, the authors show that reduced fecal microbiota alpha-diversity correlates with increased prostate tumor burden, and that Omega-3 prebiotic supplementation reduces prostate cancer up-grading associated with a reduction of gut Ruminococcaceae and fecal butyrate levels.
Crystalline materials’ properties are highly dependent on their size. Here authors report a general synthesis of ultrasmall (4–6 nm) and highly defective Zr/Hf-Metal Organic Frameworks nanoparticles that present enhanced peptide hydrolysis performance.
While monolayer of 1T-TaS2 is considered to be a Mott insulator, the nature of the bulk insulating state is debated. Here the authors introduce a ladder-type structures with fractional misalignment of adjacent layers, showing that it becomes a Mott insulator due to decoupling between the layers.
Carbohydrate binding modules (CBMs) are non-catalytic domains found within multi-modular carbohydrate-active enzymes like glycoside hydrolases. Here, the authors show the crystal structures of two CBM family 92 members, which use three different surface binding sites to bind to β-glucans.
The authors characterize the phonon modes at the FeSe/SrTiO3 interface with atomically resolved electron energy loss spectroscopy and correlate them with accurate atomic structure in an electron microscope. They find several phonon modes highly localized at the interface, one of which engages in strong interactions with the electrons in FeSe.
The speed and route by which Homo sapiens colonised Sahul is an ongoing topic of research. Here, the authors model the physical environment as it changes through time in combination with Lévy walk foraging patterns to suggest a wave of dispersal following coastlines and rivers.
Authors introduce triple treatments to advance flexible single-walled carbon nanotube films, achieving a power factor of 20.29 µW cm−1 K−2. High structural stability and flexibility enable the fabrication of a high-power-density flexible device.
The development of divergent reaction pathways controlled by different ligands is a critical goal. Here the authors describe a cobalt-catalyzed strategy for cascade coupling of 1,3-enynes with two molecules of acrylates through three reaction modes.