Researchers survey recent progress in fabricating, investigating the properties and applications of 2D van der Waals heterostructures. These materials exhibit exotic physical properties and device performance beyond their constituent layers.
Researchers have designed a flexible Ni//Zn battery with an electrochromic material that changes color to indicate residual electricity levels. The battery uses a NiCo bimetallic hydroxide electrode and features smart functionality for visually monitoring its state.
The Peking University research group has released the first open-source dataset, CircuitNet, for machine learning applications in electronic design automation. The dataset provides holistic support for cross-stage prediction tasks and can be used to evaluate the effectiveness of ML-based techniques.
Researchers developed a novel material fabrication strategy to create highly porous carbons with multiple heteroatoms doping, achieving outstanding storage capacities and performance. The strategy enables the design of carbon materials for different applications without compromising environmental issues.
The article reviews microwave photonics techniques, including signal generation, filtering, and beamforming. It discusses the use of parity-time symmetry for high-performance oscillation and recent progress in integrated microwave photonics, including materials systems and application-specific photonic integrated circuits.
Researchers have identified the largest natural carbon onions, measuring up to 55 nm in diameter, within intrusion-affected coal samples. The discovery sheds new light on the synthesis of these onion-like structures during coal metamorphism due to magmatic intrusion.
Researchers deciphered the ovarian reserve in cynomolgus monkeys using quantitative morphometric study. The study found that the number of primordial follicles decreased with age, with abundant reserves in perinatal periods and sharp decline during adolescence and adulthood.
Researchers developed a novel spin-based amplifier using nuclear spins of noble gases and alkali-mental atoms, achieving ultrahigh magnetic sensitivity of femtotesla level. This discovery surpassed the photon-shot-noise limit of rubidium magnetometers, enabling femtotesla-level measurements.
This study found that sea-level fluctuations, rather than redox conditions, drive the enrichment of redox-sensitive trace elements in marine sediments. Sediment Mo and U concentrations are coupled with glacio-eustatic fluctuation, revealing a complex relationship between benthic redox history and seawater circulation model.
Solid-state NMR spectroscopy provides atomic-level insights into zeolite structure, dynamic behavior, and catalytic reactions. The technique enables the direct detection of framework structure and acid sites, allowing for optimized zeolites with improved catalytic performance.
Researchers have developed a new method to generate surface Hall circulating current and topological magnetoelectric response in ferromagnetic axion insulators. This discovery provides a promising platform for experimentally realizing the topological magnetoelectric effect.
Researchers have developed high-performance three-dimensional porous carbon-based materials for efficient electromagnetic wave absorption. These materials, which include graphene and biomass-derived materials, offer improved conductivity and stability while minimizing density.
Two isomers of [IrC4H2]+ exhibit different reactivity toward methane and water, with one activating only methane and the other reacting solely with water to produce CO. Quantum chemical calculations reveal that orbital orientation and π-aromaticity play key roles in these reactions.
Researchers have successfully prepared layered P-type oxide cathodes with better rate performance and cycling stability due to their unique crystalline structure. The study reveals that the bulk sodium diffusion kinetics of the P2-NaNM phase is superior, contributing to its excellent electrochemical properties.
This study found that adult trees inhibit offspring recruitment by accumulating enemies, promoting species coexistence. The strength of this effect depends on genetic relatedness and distance to conspecific adults.
This study analyzed immune cell changes in lymph nodes after Yersinia pestis infection, finding up-regulated inflammation-related pathways and M1/M2 coupling activation in monocytes/macrophages. The researchers also identified critical cell types involved in the early interactions between Y. pestis and the host.
Researchers developed engineered probiotics with displayed phenylalanine ammonia lyase, enhancing drug efficacy and overcoming the phenylalanine transport bottleneck. The study suggests that displaying enzymes on the surface of probiotics is an effective strategy for improving biotherapeutic efficacy.
Researchers found that palbociclib-resistant breast cancer cells rely on Cyclin D1-CDK4 for Rb protein phosphorylation. Targeting the PI3K/mTOR pathway with inhibitors restores sensitivity to CDK4/6 inhibitors. This study highlights the necessity of re-biopsy and immunohistochemistry to determine resistance mechanism.
Researchers successfully created high-quality FA1-x Csx PbI3 perovskites by sequentially incorporating cesium using a new stabilization mechanism that improves device stability and achieves a power conversion efficiency of 24.7%.
Researchers identify late Neoarchean high-K monzogranite and Na-rich granodiorite in Dabie Orogen, providing evidence for 2.7-2.5 Ga magmatism. The study suggests a wider distribution of basement rocks in the Yangtze Craton than previously thought.
This study introduces a robust electrochemical strategy using Co3O4 nanoneedle arrays to simultaneously recover water and generate high-purity hydrogen from wastewater. The membrane electrode exhibits superior decontamination efficiency and stability, overcoming diffusion limitations of traditional plate electrodes.
Researchers developed an open-source tool set to analyze river longitudinal profiles using Matlab scripts. The tool integrates functions for drainage basin calibration, channel steepness estimation, and paleo-channel profile projection, providing insights into tectonic activity and uplift rates.
The study found that CP-673451 upregulates BTLA expression on immunocytes, reducing sepsis-related mortality and organ damage. CP-673451 treatment also reduced immune cell apoptosis and inflammation markers.
A climate simulation study analyzed precipitation isotope changes in Asian monsoon and arid regions over the past 300,000 years. The study found significant regional differences in annual δ18Op variations, with distinct controlling factors for each region.
Introducing VN to nitrogen-doped carbon enhances its electrophilicity, promoting oxygen reduction via optimized adsorption of O-containing intermediates. The VN@NC nanocomposite demonstrates improved ORR activity and long-term stability.
Researchers aim to develop machine learning techniques that can adapt to open environments with changing factors. The article reviews recent advances and introduces general principles for achieving robust artificial intelligence.
Researchers found that convection-permitting ensemble forecast systems struggle to accurately predict extreme rainfall events like the '21•7' event in Henan province. A new neighborhood probability of precipitation method improves forecasting skills, particularly when allowing for spatial errors among ensemble members.
A new display technology harnesses lithium metal's dual functionality of plasmonic display and energy storage. This reduces overall energy consumption, achieving lower power dissipation and higher spatial resolution.
Researchers synthesized a uranium azide complex and demonstrated its ability to activate dinitrogen (N2) into ammonia (NH3). The discovery sheds light on the mechanism of the Haber-Bosch process, potentially leading to more efficient catalysts for ammonia formation.
Researchers have developed HOFs with large π-conjugated structures, enhancing thermal stability and accelerating electron transfer in redox reactions. However, challenges remain to fully realize their potential, including exploring the effect of morphology on performance and avoiding metal-ligand complex formation.
Researchers identified a previously unknown p53-SET-PP2A feedback loop that can be utilized for cancer therapy. The combination of p53 activator and SET antagonist demonstrated synergistic effects on tumor suppression, showing promise for a new cancer treatment strategy.
Scientists create new type of photonic crystal that combines polarization and valley degrees of freedom, enabling multiple applications in integrated photonics. The resulting vallec-valley Hall effect can be used to multiplex and control light with unprecedented precision.
A study finds that heatwave-attributable deaths in China have quadrupled over the past four decades, with population aging playing a key role. The largest number of attributable deaths are concentrated in east and central China, where the impact of climate change is most pronounced.
Researchers found that hidden acid-base heterodimers are the key mechanism for gaseous sulfuric acid and bases to form atmospheric ultrafine particles. This mechanism explains the high particle formation rate in Chinese megacities.
Microbes play a crucial role in mineral formation and weathering processes. Minerals, on the other hand, provide essential nutrients and shelter for microbial life.
The study identifies wüstite FeO nanoparticles in lunar soil, suggesting an intermediate state in the thermal decomposition process of olivine. The findings imply that severe space weathering may not have occurred on the lunar surface, warranting further investigation into the incipient formation mechanism of rim structures.
A study reveals the biological pump's significant role in the Pacific Arctic nitrogen deficit. Phytoplankton's efficient nutrient uptake and export lead to preferential nitrogen removal from upper waters. This process contributes up to half of the nitrogen loss attributed to sedimentary denitrification.
Researchers discovered a series of seamount chains at Caroline Plate boundary, driven by convergence with the Pacific Plate. The team redefined plate boundaries and reconstructed the evolution of Caroline Plate using structural analysis.
Numerical forecasts tend to overestimate precipitation frequency and underestimate intensity, especially in mountainous areas. High-resolution mesoscale models improve forecasting of afternoon intense rainfall but struggle with nighttime events.
Researchers developed a strain-promoted alkyne-azide cycloaddition strategy to engineer circular bivalent aptamers, improving their stability, recognition, and binding abilities. This method enables the design of new aptamer-based targeted drug delivery strategies and cell behavior regulation techniques.
Researchers used convection-permitting ensemble forecast systems to investigate the predictability of a record-breaking extreme rainfall event in Henan province. They found low accuracy at city scale but improved skill with neighborhood probability of precipitation methods.
Researchers discuss dicarboxylation reactions with CO2 to generate valuable dicarboxylic acids, overcoming limitations of activated substrates. They propose novel strategies, including using CO2 radical anions and low-concentration CO2, to facilitate transformation of inert substrates.
A team of researchers has developed a method to derive the magnetopause position from wide field-of-view soft X-ray imager simulation. The Tangent Fitting Approach (TFA) enables reconstruction of the 3D magnetopause from a single X-ray image, providing clearer views of the Earth's magnetosphere.
The Chang'E-4 mission has provided the first in-situ temperature measurement of lunar regolith on the far side, revealing a particle size of ~15 μm and thermal conductivity values. The study's findings will aid in designing future in-situ temperature probes and provide crucial 'ground truth' for global temperature observations.
The study found that ultra rapid lispro (URLi) provided superior control of postprandial glucose excursions compared to insulin lispro. URLi showed non-inferiority for HbA1c reduction and improved PPG excursion control in adults with type 2 diabetes.
Scientists create a novel dual-metal precursors method to grow non-layered 2D transition metal chalcogenides (TMCs) with controlled thickness and unique properties. The method enables the growth of various TMCs, including Fe1-xS, Co1-xS, Cr1-xS, and V1-xS, with ordered cation vacancies.
A recent study found that 38 Chinese cities have achieved emission peak, reducing emissions significantly for at least five years while economy and population increased. The cities' decoupling of emissions and social development indexes was a key factor in this achievement.
This study demonstrates that ENSO combination mode is a stable relationship with the WNPAC during El Niô decaying summer, regardless of changes in ENSO evolution features. The C-mode mechanism appears invulnerable to changes in ENSO decaying speed, suggesting its crucial role in maintaining the WNPAC.
The research team reviewed mineral-microbe interactions, proposing future research opportunities and challenges. Microbes dissolve, precipitate, and transform minerals through metabolism, producing biosignatures in the geological record.
Researchers found that statins can rescue ganglion cells in mice with reduced ABCA1 gene expression, suggesting a potential treatment for POAG. The study also revealed decreased HDL formation and ABCA1 deficiency in patients with open-angle glaucoma.