A new paradigm of liquid gating technology is presented, confining magnetic colloids in a porous matrix to probe mechanical properties in real-time. The system shows controllable fluid transport behavior, enabling applications such as dynamic and preprogrammed fluid transport, remote drug release, and microfluidic logic.
A rare oviraptorid dinosaur fossil was found in southern China, showing the animal sitting on a nest of at least 24 eggs with well-developed embryos. The fossil provides significant insights into the reproductive biology of non-avian theropod dinosaurs.
Researchers have developed a new method to discover Weyl semimetals with S4 symmetry, allowing for high-throughput screening. The approach uses a novel topological invariant that can be calculated efficiently using the one-dimensional Wilson-loop method.
Researchers identified two novel vascular smooth muscle cell subsets under high hydrostatic pressure, which promote or exacerbate endothelial dysfunction. These subsets are associated with hypertension and contribute to the pathogenesis of cardiovascular diseases such as coronary artery disease and stroke.
A team of paleoclimatologists found that a prolonged megadrought in Arid Central Asia hindered human movement and reduced overland travel between eastern and western Central Asia. This climate shift, lasting 640 years from 5820-5180 BP, isolated agricultural regions and delayed cultural exchange along the proto-Silk Road.
Researchers propose a new strategy to obtain size-controlled Eu3+-complex nanoparticles with self-assembly induced luminescence characteristics. The amphiphilic Eu3+-complex possessing carbazole derivative ligands can self-assemble into Eu-NPs with excellent water dispersibility and controllable particle size in aqueous solution.
Researchers propose a new strategy to explore electrochemical process on electrode surfaces using operando surface science methods. They successfully visualize intercalation of super-dense multilayer anions into graphite electrode surface region, revealing a distinct electrochemical process in the surface region.
Researchers fabricated large-area periodic lead halide perovskite nanostructures using a space-confined solution growth method. These structures were able to modulate reflection and control light emission angles, enabling low-threshold lasing and realization of lenticular printing laser displays.
Scientists developed a comb-like etching regulated growth process to fabricate graphene nanoribbon arrays in a template-free CVD system. The approach allows for precisely controlling over width, edge structure, and orientation of graphene nanoribbons with high quality and uniformity.
The study investigates the role of cell cycle progression on analyzing telomerase activity in cancer cells based on an AIEgen-based fluorescence detecting system. The results show that cancer cells exhibit increased fluorescence intensity during different stages of the cell cycle, while normal cells do not.
Research on the Loess Plateau's complex terrain explores how atmospheric stability influences turbulence measurement ergodicity. Steadiness of various-scale turbulence distribution is key to satisfying ergodicity, with relatively easy satisfaction at weakly stable stratifications.
Researchers have developed CuCo oxy- and thio-spinels as advanced oxygen evolution electrocatalysts, achieving low overpotentials of 267 mV for OER. The non-metallic electronic regulation in these spinel structures enhances Co active sites' valence states, accelerating electron exchange with oxygen adsorbates.
Research on tsunami generation, propagation, inversion, and warning has made significant progress since the 2004 Sumatra tsunami. Tsunami buoys remain the most reliable way for early warning, while new probabilistic methods offer improved hazard assessments.
Researchers developed an illumination-reaction decoupled n-Si MIS photocathode that surmounts challenges impeding p-Si MIS photocathode development. The new design utilizes majority carriers to drive the surface reduction reaction, avoiding light-shielding problems and enabling higher efficiency.
Researchers found that tidal wetlands accumulate ~54 Tg C yr-1, which is ~30% of the organic C buried on the ocean floor. The study highlights the potential for preserving and rehabilitating mangroves and salt marshes to offset up to 0.6% of current CO2 emissions.
A new electrical detector has been developed for the fast and accurate detection of SARS-CoV-2 RNA and antibodies, allowing for rapid point-of-care testing with a turn-around time of around 10 minutes. The device uses graphene field-effect transistors to detect RNA and offers an ultra-low limit of detection of 0.1 fg/mL.
Researchers found high concentrations of bromine chloride in polluted continental regions, significantly impacting wintertime air quality. The study suggests that uncontrolled coal burning is a major source of reactive halogens, driving increased ozone production and secondary aerosol formation.
Researchers developed a BCL strategy to generate highly potent tumor-targeted drugs from non-toxic compounds within the tumor, avoiding decomposition and side effects. The targeting drug Ru-rhein exhibits high anti-cancer activity against lung cancer cells while being non-toxic to normal cells.
Researchers found three regimes in gold plasmonic evolution: classical plasmon for large clusters, quantum confinement corrected plasmon for medium-sized clusters, and molecular plasmon for small clusters. The study uses atomic precision to understand the boundary between bulk, nano and molecule scale of gold plasmonic physics.
A new pillar[5]arene-based hybrid material has been fabricated with enhanced emission in both solid state and solution phases. The material exhibits stimuli-responsive luminescent properties, including tunable multicolor luminescence and ion sensing ability.
Research reveals molybdenum-nitrogen complexes as effective catalysts for disproportionation of cyclohexadienes, with the Mo-N=N unit playing a key role in the reaction. High catalytic activity suggests new approaches to participate in catalytic systems for nitrogen ligands.
Researchers studied severe thunderstorms and lightning activity in Beijing, finding that squall lines and multi-cell thunderstorms are the main types of lightning disaster weather systems. They also discovered a strong relationship between lightning frequency and model parameters, which can be used to improve forecast accuracy.
Researchers developed a new mRNA delivery platform using ZIF-8 nanoparticles that exhibit high mRNA loading capacity, successful endosomal escape, and synergistic GSH depletion. This approach upregulates mRNA translation and improves delivery efficiency compared to existing methods.
Researchers at Hunan University and Clemson University have developed a new type of electrode material inspired by biological cells. The material, called biomimetic carbon cells, improves the cycling stability of potassium-ion batteries and allows for longer continuous operation.
The study provides a detailed understanding of the crustal deformation mechanism in the western Qilian Mountains, northeastern margin of the Tibetan Plateau. The researchers discovered a decoupled crustal deformation with intra-crustal decollement layers, which reveals the Asian lithospheric mantle being underthrust beneath the region.
Scientists have created 2D CaCl crystals that display unexpected metallicity and room-temperature ferromagnetism. These crystals exhibit piezoelectricity-like behavior and have potential applications in transistors and nanotransistor devices.
Functional hydrogel coatings have various functions, including sensing, actuation, drug delivery, and conductivity for neural electrodes. Research directions include optimizing coating methods for mass production, long-term stability, and testing adhesion.
Researchers at Nanjing University designed a topological-insulator waveguide-resonator system that solves the critical coupling problem in electronics and photonics. The system supports spin-locked modes, eliminating backscattering and induced noise, while retaining transmission spectral characteristics.
In ecological networks, synchronization and transients are unified through symmetry and stochasticity. Cluster synchronization emerges due to intrinsic symmetries of the network, exhibiting transient behavior with intermittent switching among distinct patterns.
Researchers developed lattice models to predict nonlinear surface morphology evolution with multiple mode transitions in hyperelastic bilayers. They revealed an intricate post-buckling phenomenon involving successive bifurcations, advancing fundamental understanding of nonlinear morphological transitions.
A new permafrost thermal stability map for the Tibetan Plateau has been created with high accuracy, using a combination of ground observation data and remote sensing big data. The map divides the permafrost into five zones, providing critical information for engineering planning and water resource management in the region.
Researchers have realized a reversible superoxide-peroxide conversion in a K-based high-capacity rechargeable sealed battery device, boosting cathode capacity to 300 mAh/g and achieving high energy efficiency. This breakthrough overcomes gaseous O2-related intrinsic defects and phase changes between gaseous O2 and solid Li/Na/KxO.
Researchers from Xiamen University demonstrated a bio-inspired heterometallic cluster that mimics the CaMn4O5 structure of PSII, showing efficient overall water splitting activity without sacrificial reagents. The cluster anchors on phosphorus-doped graphitic carbon nitrides and exhibits high H2 production rates and O2 evolution rates.
Recently, N-heterocyclic phosphines have emerged as a new group of promising catalysts for metal-free reductions. Their excellent hydricity rivals or exceeds that of many metal-based hydrides, making them suitable alternatives for reducing unsaturated compounds.
Researchers have developed a sustainable material called regenerated isotropic wood (RGI-wood) from surface nanocrystallized wood particles. RGI-wood boasts improved mechanical properties, fire retardancy, and electromagnetic shielding capabilities compared to natural wood and petroleum-based plastics.
Researchers from Shanghai Jiao Tong University have successfully designed and fabricated a microcavity on a lithium niobate chip, achieving integrated light source in the communication band. The innovative technology realizes the potential of lithium niobate thin films for efficient optoelectronic integration.
The article outlines four key paradigm shifts for 6G wireless communication networks: global coverage through non-terrestrial networks, full spectrum exploration for increased data rates, AI-powered smart applications, and enhanced network security. The future of 6G promises faster and more secure communications, blurring the lines bet...
This study demonstrates CsPbBrI2 perovskites with improved optoelectronic performance through secondary grain growth functionalization. The resulting devices exhibit ultra-low energy loss, higher carrier mobility, and record PCEs under various light sources.
Researchers have observed ideal type-II Weyl points in classical circuits, which exhibit strongly tilted band structures and linear degenerate points. These findings provide a new platform for studying Weyl physics and topological phenomena.
Researchers develop efficient immunization strategy using limited network information, significantly reducing disease spread for small groups of individuals. By focusing on the most connected nodes, they achieve a lower fraction of nodes needed to stop the epidemic, highlighting the potential for effective control measures.
Scientists at Institute of Physics, Chinese Academy of Science analyzed parent compound NdNiO2 using first-principles calculations and Gutzwiller variational method. They found that electron Fermi pockets are contributed by Ni-3dx2-y2 orbitals and a two-band model can be constructed to reproduce all bands around Fermi level.
Researchers established an explicit scaling form for the free energy density, including a Gaussian fixed point and multiplicative logarithmic corrections. Monte Carlo simulations supported the conjectured scaling forms for various macroscopic quantities.
Researchers developed an all-optical attosecond few slit interferometer to measure ultrafast processes in the time-energy domain. The technique uses laser-driven high order harmonics and introduces a perturbing field to alter harmonic generation, enabling wave-front controlled attosecond interferometry with precise energy resolution.
Researchers have discovered ultra-high piezoelectric coefficients in hydrogen-bonded ferroelectrics, exceeding that of PZT by more than 3 times. The phenomenon is sensitive to strain and can be tuned to room temperature by applying a fixed strain.
Researchers engineered β-Ni(OH)2 catalysts with different alkoxyl ligands, achieving high-efficiency oxygen evolution reactions. The ethoxyl-substituted β-Ni(OH)2 shows great potential as an efficient OER catalyst.
The LHCb collaboration observes two structures in proton-proton collisions, suggesting the existence of four-charm tetraquark states. The narrower structure is described as a hadron state of mass about 6900 MeV/c2, denoted as X(6900). Understanding the internal structure of hadrons remains a challenge, with QCD models unable to explain...
Researchers demonstrate a solvent-assisted ligand exchange-hydrogen reduction strategy for selective encapsulation of ultrafine metal nanoparticles within the shallow layers of MOF. This approach reduces mass transfer resistance and enhances metal dispersion, promoting highly efficient hydrogenation reactions.
Researchers from China University of Petroleum have designed ultra-small hollow alloy nanoparticles that exhibit excellent electrocatalytic activity and stability for the hydrogen evolution reaction. The unique structure provides abundant active centers, reducing the cost of platinum-based electrocatalysts.
Researchers used Lorentz transmission electron microscopy to observe complex vortex-like magnetic structures in a Kagome crystal. The study suggests that 3D magnetic structures play a crucial role in understanding these configurations and provides an experimental proof of their existence.
Researchers have developed a single-atom alloy co-catalyst that significantly enhances photocatalytic hydrogen production activity. By precisely controlling the Pt content in the Pd@Pt/MOF composite, they achieved an exceptionally high photocatalytic activity, surpassing its counterparts.