Researchers develop chip-compatible 3D nanoscopy that surpasses the Abbe diffraction limit using a broadly-tunable large-spatial-frequency-shift effect. This method offers advantages over existing superresolution techniques, including high stability, low cost, and integration with microfluidic and optoelectronic functional chips.
The China Dark matter Experiment (CDEX) has presented new limits for the couplings of weakly interacting massive particles (WIMPs) in the non-relativistic effective field theory approach, improving over current bounds in the low mass region. CDEX's analysis also extended the limit on WIMP-pion coupling to the mχ< 6 GeV/c2 region.
Researchers propose novel sulfur cycle model incorporating volatile organosulfur compounds to explain global occurrence of superheavy pyrite. The Cryogenian interglacial interval saw sulfidic oceans with pervasive VOSC generation, leading to vertical isotopic gradients and superheavy pyrite precipitation.
A new study finds that model biases in simulating tropical climate trends can significantly impact projections of extreme El Niô frequency change. By removing the impacts of these biases, researchers conclude that the extreme El Niô frequency is likely to remain unchanged in the future, contrary to original projections.
Researchers developed a new class of pneumatic artificial muscles (MAIPAMs) inspired by biological muscle-fiber arrays, enabling multiple-mode actuations like muscular hydrostats. The MAIPAMs have potential applications in soft robotics for tasks such as environment detection, object manipulation, and climbing.
Researchers develop light-emitting metallacages via coordination-driven self-assembly, overcoming aggregation-caused quenching challenges. The AIE phenomenon enables high luminescence efficiency in aggregate states, enabling applications in sensing, biomedicine, and catalysis.
Scientists create a 2D/3D hybrid perovskite heterostructure crystal, achieving high polarization sensitivity in photodetection. The device surpasses reported perovskite-based devices and is competitive with conventional inorganic heterostructure-based photodetectors.
Scientists have directly observed and measured the novel phenomenon of antichiral edge states in a circuit lattice. The results demonstrate that these edge states exhibit counter-propagating bulk states, opening new avenues for exploring the properties of antichiral edge states.
A new strategy combines AIEgen-mediated photodynamic therapy with Poly(I:C)-based immunotherapy to enhance anti-tumor immune responses. The system induces tumor cell death and stimulates cytokine release, demonstrating potential for preventing tumor recurrence and metastasis.
Recent study reveals significant strengthening of tropical Pacific western boundary currents (WBCs) over the past six decades, primarily driven by temperature change. The WBCs' intensification is attributed to a strengthening of trade winds in the western Pacific Ocean.
Researchers found glacial deposits in the Bodui Zangbo River valley that date back to before MIS-6. The age of these deposits suggests a glacial advance occurred during MIS-12, likely due to surface uplift and decreased temperatures.
The study provides precise geochronological constraints on the duration of the Yixian Formation and its units, revealing a shorter duration than previously estimated. The results suggest a rapid bio-diversification event during this period, supported by the exceptionally preserved volcanic-influenced ecosystem.
Scientists discovered that the record-breaking rainfall was influenced by all three oceans, with the Atlantic playing a dominant role. The study found that positive SST anomalies in the western North Atlantic induced changes in atmospheric circulation patterns that led to the extreme rainfall.
The Deep-time Digital Earth program is a 'big science' initiative that aims to transform research in deep-time Earth Science through data-driven abductive discovery. The program will create an open platform for linking existing deep-time Earth data and integrating geological data, enabling users to explore Earth's evolution by specifyi...
A new interactive technology called LotusMenu uses rotational motion to control a 3D menu, reducing fatigue and increasing user efficiency. The study shows significant improvements in completion time and user experience compared to traditional linear menus.
Researchers at Chinese Academy of Sciences developed a method to deposit high-dispersed Fe species into ZSM-5 micropores, resulting in high selectivity of cyclohexanone (92%-97%) and improved catalyst activity. The Fe content can be precisely controlled by varying ALD cycles.
Zheng and Qin et al. developed novel host-guest organic phosphorescence systems using commercially available compounds, achieving high phosphorescence efficiency and longest lifetime. The new systems utilize Förster resonance energy transfer (FRET) for improved performance.
Researchers successfully synthesize armchair graphene nanoribbons (AGNRs) on Cu(111) via lateral fusion of poly(para-phenylene). Oxygen introduction reduces temperature required for reaction, opening up new avenues for surface chemistry. This breakthrough could benefit various dehydrogenation reactions in on-surface synthesis.
The study provides direct visualization of SEI shell evolution during Li deposition/stripping, revealing anode degradation mechanisms. The work reveals the importance of in-situ characterization for understanding SEI properties and improving battery performance.
The study proposes a coupling model of the five spheres of the earth system with the oxygen cycle as the core. Key findings include the link role of the oxygen cycle in shaping our current habitable Earth and its effects on modern and geological time scales.
Researchers developed PTVT-T, a low-cost polymer with high photovoltaic performance, revitalizing classical conjugated polymers for efficient OSCs. The study achieved a remarkable 16.2% efficiency and demonstrated the potential of PTVT-T to match with new emerging acceptor materials.
Researchers found that a point mutation in the zebrafish slc20a1b gene significantly reduces the proliferation of hematopoietic stem/progenitor cells, resulting in a severe defect of hematopoietic development. The study reveals the indispensable role of slc20a1b in HSPCs, highlighting a novel regulation gene for cell cycle expansion.
Researchers developed a highly linear flexible pressure sensor with high sensitivity using soft micropillared electrodes, achieving linearity of up to 0.999 and sensitivity of 33.16 kPa-1 over a wide pressure range. The sensor has applications in intelligent robots, human-computer interaction, and health monitoring.
Researchers develop a thermally stable atomically dispersed Ir/MoC catalyst with an unusually high metal loading of 4 wt%, exhibiting remarkable reactivity, selectivity, and stability. The catalyst achieves high metal-normalized activity and mass-specific activity through the presence of isolated Ir atoms.
A research team has discovered a new type of superconductor by inducing an extended buckled-honeycomb-vacancy (BHV) ordering in Ir16Sb18. The superconductivity emerges when the BHV ordering is suppressed through extra atom squeezing or Rh substitution, competing with the ordered vacancy as a potential superconducting parent phase.
A study investigates the role of vertical coupling in TC genesis, revealing a key mechanism behind the formation of TCs. The research suggests that VHTs play a crucial role in connecting the middle- and lower-troposphere trough axes, leading to VC.
Cu-based small-pore zeolites have been demonstrated to be promising candidates for NH3-SCR catalysts due to their unique structural features and physicochemical properties. The latest advances in Cu-SSZ-13 applied to the NH3-SCR reaction highlight the significant opportunity presented by zeolite-based catalysts.
Scientists review advances in CO2 electrochemical transformation using ILs, focusing on CO2 reduction and organic transformation. They highlight the potential of ILs to improve selectivity and efficiency, enabling the production of value-added chemicals.
Researchers investigate coupling between mechanical stresses and grain boundaries in nanograined materials. Novel thermodynamic criterion quantifies stress impact on thermal stability; stresses play a vital role, unlike previous studies which ignored internal stresses.
The researchers propose a hybrid precoding architecture to reduce hardware cost and energy consumption in mmWave-enabled NOMA-UAV networks. They optimize UAV placement, user clustering, and power allocation to achieve a good balance between system complexity and performance.
Researchers at the University of Science and Technology of China and Tsinghua University successfully implement a five-qubit quantum error correcting code using superconducting qubits. They achieve high fidelity logical state preparation with an average value of 98.6%, verifying the viability of experimental realization of quantum erro...
The LAMOST survey has identified 1534 low-α metal-rich member stars of the Gaia-Sausage-Enceladus galaxy, challenging previous understanding of the merging process. The newly discovered component extends from a previously detected metal-poor region and suggests that these stars were formed during subsequent evolution.
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.