Scientists discovered a mechanism to generate asymmetric temperature profiles without dynamic modulation, allowing for the imitated advection of heat. This phenomenon enables thermal trapping like that observed in black holes, with potential applications in waste heat recovery and thermal funneling.
Researchers developed a novel approach to synthesize single-atom ZnNC catalysts using formamide as both solvent and precursor. The catalyst showed high selectivity for O2 production via two-electron transfer oxygen reduction reaction, maintaining over 75% efficiency throughout four batches of recycle synthesis.
The study reveals PKC-SWI6 signaling plays a crucial role in growth, development, and pathogenicity of A. oligospora. AoSWI6 is essential for maintaining DNA stability and repair.
The study, led by Dr. Gang Chen and Prof. Kun Zhao, analyzed dense network data from disdrometers and polarimetric radars to show substantial variability in raindrop sizes and numbers. This finding adds to evidence that microphysical characteristics can vary significantly within individual precipitation events.
A recent study found that the Tibetan Plateau's climate cooled due to global cooling and uplift. Plant fossil records and numerical simulations suggest a topographically controlled temperature pattern emerged after a dramatic shift in the late Eocene.
Researchers investigated new routes for constructing strong metal-support interactions (SMSIs) to stabilize catalysts and enhance catalytic performance. SMSI formation mechanisms were found to be different from classical methods, offering potential improvements for supported metal nanoparticles.
Researchers have synthesized a new deep-UV NLO crystal, ABPF, with complex anionic units and unique KBBF-like layers. It exhibits excellent optical properties, including a short cutoff edge and sufficient birefringence, making it suitable for deep-UV phase-matching.
A new synthesis approach produces nanoporous copper-indium heterostructure catalysts with excellent performance in CO2 reduction to syngas. The catalyst exhibits a tunable H2/CO ratio and high stability, making it suitable for various applications.
Research has focused on understanding and resolving air-sensitivity in sodium-based layered oxide cathode materials. Strategies include surface coating, washing, and element substitution to improve air stability.
Scientists develop symmetric alkane ring molecules to exhibit ultralow conductance and phase-coherent tunneling, contradicting conductance superposition law. The discovery suggests strategies for designing molecular electronic devices and materials with destructive quantum interference.
Scientists develop a new theory to decompose cell differentiation into two landscapes: one for cell types and another for pluripotency. This approach can characterize cellular behavior in systems with proliferation and death.
The study proposes a modified platform using iron-based superconducting nanowires, enabling controllable coupling between different Majoranas and manipulable braiding operations. This allows for the exploration of non-Abelian statistical properties and potential applications in fault-tolerant topological quantum computing.
MOPCS, a CRISPR/Cas12a system-empowered SPR gene detecting platform, achieves rapid and specific analysis of viral RNA without amplification. It can detect SARS-CoV-2 variants with high sensitivity and specificity within 38 minutes.
Intrinsically flexible displays rely on key materials and devices such as stretchable electrodes, organic semiconductors, and dielectric materials. Researchers focus on improving mechanical stretchability, electrical conductivity, and biocompatibility while maintaining chemical stability.
A case-crossover study in 32 Chinese counties linked short-term PM2.5 exposures to increased non-accidental mortality, particularly from combustion sources. Stronger effects were observed for cardiovascular mortality and varied by sex-age subpopulations.
A study led by Drs. Wei Song and Xue-Yan Liu found that microbial nitrogen oxide emissions account for 24% of global NOx emissions, equivalent to fossil fuel emissions. The research uses new nitrogen isotope methods to constrain ocean and land NOx emissions from microbial N cycle.
Researchers developed a ligand exchange strategy to create atomically thin 2D cuprate layers with active periodic copper single sites, which catalyze efficient Chan-Lam coupling. These 2D-CuSSs show advantages over traditional homogeneous counterparts due to their large open surface and abundant undercoordinated Cu single sites.
Researchers developed a new method to synthesize polyimidazolium organic cages that can encapsulate metal nanoparticles, leading to improved catalytic performance. The new catalysts show superior activity in various reactions, with tunable NHC sites enhancing interactions between the shell and the metal nanoparticles.
This study found that ginsenoside Rb1 reduces oxidative stress-induced injury in ovarian granulosa cells by activating the Akt/FoxO1 pathway. The compound preserved mitochondrial membrane potential and reversed ROS overaccumulation, promoting cell survival.
High stresses persist in the Dachuan-Shuangshi Fault Zone, indicating a moderate risk of strong earthquakes in the Dayi seismic gap. The study suggests that the area is still capable of producing moderately strong earthquakes due to its brittle crustal structure and high stress conditions.
A study found China needs to rapidly scale up electrification, low-carbon electricity, and non-fossil energy sources to achieve carbon neutrality by 2050-2080. The research suggests phasing out conventional coal power plants by 2060 under 2°C goals or 2050 under 1.5°C goals.
Researchers found that H3K27me3 modifies regions have lower DNA methylation due to inhibited UHRF1-mediated ubiquitination of H3. This mechanism regulates dynamic transcriptional regulation by DNA methylation in these regions.
Researchers propose quantum attack scheme for symmetric cryptography, reducing computational complexity from 2^n to 2^(n/2) and threatening AES security. This finding has significant implications for future information security.
The total ammonia emissions in China increased from 9.64 Tg in 2013 to 9.75 Tg in 2015, before decreasing to 9.12 Tg in 2018. Fertilizer and livestock are the main sources of ammonia emissions, accounting for over 80%.
Researchers used AI and 3D Geometric Morphometrics to analyze tooth marks found at the Venta Micena site, revealing that a hyena species was the primary predator. The study's success rate exceeded 90%, providing new insights into ancient ecosystems.
Researchers applied scRNA-seq to define newly diagnosed MM patients by the R-ISS strategy, identifying plasma cell clusters and specific genes like PDIA6 and LETM1. These findings provide insight into novel molecules, networks, and crosstalk pairs in different R-ISS stages of MM.
Researchers achieve red-green-blue whispering gallery mode lasing with large color gamut using fiber braiding cavity. The lasing emissions cover a color gamut 86.7% larger than standard RGB space, showing great potential for compact white sources and laser display devices.
This study reveals that anthropogenic monoterpenes are a major contributor to urban ozone pollution, with emissions from biomass burning activities exacerbating the problem. The researchers estimate that monoterpene oxidation can provide an additional 4-9 ppb of ozone during daytime, accounting for up to 13% of total ozone production.
Researchers in China have developed new techniques for monitoring and predicting earthquake precursors using satellite observation and ground-based methods. These methods include earth resistivity, magnetotelluric, geomagnetic, and geoelectric field observations, as well as EM radiation and satellite observation.
Researchers introduced a strategy to regulate the electrochemical reactivity and performance of Sn-based anodes for Mg storage by introducing a second phase and phase boundary. The introduction of Al enhanced the electrochemical reaction with Mg in both nanoscale and bulk phases, leading to superior long-term stability.
Researchers created a quasiparticle lattice that exhibits macroscopic quantum phenomena, including Bose-Einstein condensation and superfluidity. The lattice's spatial configuration allows for controlled formation of ordered vortex arrays and laser arrays.
This study found that Xrcc1 overexpression improves BER, reducing mutations in iPSCs and enhancing their quality. Xrcc1 also boosts reprogramming efficiency and protects against oxidative DNA damage.
Researchers developed a one-step pyrolysis strategy to in-situ encapsulate N-doped nanocarbons into hierarchical porous metal-organic frameworks, achieving highly efficient CO2 fixation. The composite materials exhibit excellent catalytic performance in the synthesis of cyclic carbonates from epoxides and CO2.
The review highlights the importance of intrinsically flexible electrode materials, organic semiconductors, dielectric materials, and electroluminescent devices for intrinsically flexible displays. Current strategies focus on designing polymer chains, controlling molecular weight, and blending with elastomer polymers.
This study identified QNE1 as a key flowering regulator in soybeans, controlling the length of the vegetative period. The researchers found that QNE1 and another gene E4 regulate flowering time through different mechanisms, enriching knowledge of flowering gene networks.
Researchers discovered TERC lncRNA downregulates RNA binding protein HuR to accelerate PD-L1 mRNA degradation, making it a promising candidate for preventing cancer immune escape during chemotherapy. High TERC levels were linked to good prognosis in breast cancer patients.
Scientists reconstructed Miocene climatic evolution in southeast Indian Ocean using deep-sea sediments. The research suggests a significant climate transition occurred after the formation of Antarctic ice sheets, with wetter conditions and stronger continental chemical weathering in southwest Australia.
Researchers used numerical simulations to analyze a persistent summer drought in eastern China during the 1920s. The study found that internal climate variability modes were the main drivers of this drought, with the Atlantic Multidecadal Oscillation, Pacific Decadal Oscillation, and Indian Ocean Basin Mode contributing to its occurrence.
Researchers develop a novel direct-repairing method to regenerate degraded LiCoO2 cathode materials, restoring electrochemical performance and reducing environmental impact. The proposed method significantly shortens recycling processes, lowers costs, and offers high economic viability.
Researchers propose a new device that changes output current from fully-off to rectified state after illumination, avoiding crosstalk issues. The photon-controlled diode is fabricated with MoS2 junctions and exhibits high responsivity and nonvolatile performance.
Researchers have overcome thermodynamic limitations to grow high-quality multilayer MoS2 4-inch wafers via layer-by-layer epitaxy. This achievement paves the way for large-scale high-performance 2D electronic devices, including sub-10 nm ultra-short channel devices and flexible displays.
Researchers have developed sieving carbons as the ideal carbon anode for high-energy sodium-ion batteries, featuring extensible low-potential charge/discharge plateaus. The small pore entrance diameter helps screen out solvated sodium ions, inducing solid electrolyte interphase formation outside nanopores.
A new artificial intelligence probe has been developed to detect tumor malignancy through non-invasive imaging, utilizing elevated potassium ion concentrations in malignant tumors. The KDMN probe provides superior MRI contrast and fluorescence imaging performance, allowing for accurate detection of malignant tumors.
The air-stability of sodium-based layered-oxide cathode materials is crucial for the practical application of sodium-ion batteries. Several components in air participate in chemical and physical reactions with the material, leading to degradation.
Researchers investigate how varying morphologies in organic solar cells affect their performance, revealing the importance of balancing donor and acceptor phases to optimize carrier generation and transport. The study provides insights into optimizing device performances by controlling blended thin film morphology.
Researchers identify three stages in convergent plate margin formation, from low-angle subduction to rifting zones. They also reveal the importance of material movement and thermal state changes in shaping these dynamic systems.
A closed-loop self-powered low-level vagus nerve stimulation system based on a hybrid nanogenerator has been developed for treating atrial fibrillation. The system successfully reduced AF duration by 90% and improved myocardial fibrosis and connexin levels in an in vivo study.
Researchers developed a method to generate and analyze metal nanoclusters in-situ using UV laser dissociation-mass spectrometry. The technique revealed the generation of multiply charged gold nanoclusters with varying adsorption activities, which may promote discovery and application of active metal nanoclusters.
IGFBP7 enhances mitochondrial function and promotes glycolysis in DPSCs, leading to decreased p21 expression. This finding provides a new therapeutic strategy for promoting tissue regeneration.
Researchers found that mesenchymal-like cells with enhanced contractility guide epithelial cancer cell migration and invasion through a heterophilic complex of N-cadherin and E-cadherin. This process is regulated by the stiffness of the microenvironment, inhibiting tumor cell invasion.