A team of scientists from the University of Science and Technology of China developed an oxide-derived Cu catalyst with a superior Cu(100)/Cu(111) interface, which displayed high Faradaic efficiency during CO2 reduction reaction. The interface played a critical role in C-C coupling and exhibited superior catalytic performance.
The study found a decline in star formation from low-ionization BAL to high-ionization BAL and a rebound of this process from HiBAL to non-BAL. The researchers proposed an evolutionary model to explain the results, suggesting that the outflow caused by AGNs has a global negative feedback on galaxy evolution.
The study proposes a novel nonequilibrium mechanism for allosteric regulation of motor switching, based on precise measurement of the bacterial flagellar motor's switching dynamics at stall. This mechanism has implications for other molecular motors and explains dynamic properties under all loads uniformly.
Researchers at USTC create flexible electronic systems using thermoplastic polyurethane and liquid metal, enabling high-performance, stretchable, and reconfigurable devices. The technology addresses environmental and energy concerns with recyclability and reconfigurability.
Scientists successfully image a single ion in an ion trap system on nanosecond timescale, achieving resolution beyond 175 nm. The technique also demonstrates sub-10nm positioning accuracy and time resolution of 50 ns.
Scientists have successfully detected two-dimensional kagome surface states in the material RV6Sn6, offering a new approach to investigating intrinsic physics of kagome lattices. The detection was achieved using angle-resolved photoemission spectroscopy (ARPES) with real-space resolution.
A team from University of Science and Technology of China discovered the microscopic mechanism behind traditional Xuan paper's high strength and toughness. They developed a high-performance, high-haze transparent film with excellent properties, including high light transmittance, flexibility, and thermal stability.
A new smart probe has been developed to enhance tumor photoacoustic imaging using a cathepsin B biomarker. The probe shows a 4.9-fold PA signal enhancement in cancer cells and tumors compared to unmodified probes.
A research team from USTC has constructed a theoretical framework and thinking mechanism model to help students solve bound and scattering state problems in quantum mechanics. The study found three key nodes of difficulty: recognizing Schrodinger equations, selecting energy constants, and using superposition forms.
Researchers at USTC reconstructed precipitation patterns in East Asian monsoon region during the Holocene and proposed a driving mechanism. The study suggests that low-latitude seasonal insolation changes, modulated by Western Pacific Subtropical High, control monsoon precipitation variation.
Researchers developed a new metal-organic framework treatment that effectively eliminates H2O2-secreting bacteria, alleviating pulmonary injury and preventing systemic sepsis. The treatment, nFMs@Amp, uses Fe3+-doped metal organic frameworks loaded with antibiotic ampicillin to target and kill the bacteria.
Researchers realized ultra-high precision search for exotic spin- and velocity-dependent interactions beyond the standard model, amplifying magnetic field signals. They used a quantum spin-based amplifier to study new physics theories, proposing a new class of bosons-nucleus coupling constraint.
A new PI-based nanocomposite film with enhanced mechanical properties and atomic oxygen resistance has been developed. The double-layer nacre-inspired structure improves the material's performance in LEO applications, making it a promising aerospace protective material.
Researchers develop novel detection method to identify high-dimensional entanglement states, overcoming challenges faced by traditional methods. The study proposes a protocol to automatically search for optimal certification methods, enabling the creation of high-dimensional quantum information processing systems.
The research team simulated the occurrence of superradiant phase transition (SPT) beyond the no-go theorem by introducing anti-squeezing effects. They achieved this through a nuclear magnetic resonance quantum simulator, demonstrating that SPT can occur even with the A2 term present.
A research team led by Prof. ZHANG Kaiming uncovered a previously unrecognized mechanism for processive substrate degradation by the Lon protease. The study reveals that the protein degradation occurs at each individual proteolytic active site, following a C-to-N processive cleavage mechanism.
Researchers at USTC found Gp168 protein from bacteriophage Twort inhibits β-clamp function by occupying the DNA sliding channel, revealing a new class of proteins. This discovery provides inspiration for developing new antimicrobial reagents and offers an alternative mechanism for bacteriophages to inhibit bacterial replication.
The study comprehensively investigates the composition mechanism of the PICS complex in nematodes, uncovering key factors in piRNA biogenesis and chromosome segregation. The results highlight the importance of subunit interactions in regulating the complex's formation and localization.
The research group developed ultra-sensitive solar-blind ultraviolet photodetectors (SBPDs) using amorphous gallium oxide (AGO) with high tolerance and spectrum-selectiveness. The SBPDs showed remarkable performances, including high response current and improved photoelectric performances under extreme conditions.
Researchers developed a new light use effective model coupled with a passive microwave vegetation index to monitor terrestrial ecosystems' carbon fixing ability. The study found that this method outperforms traditional methods in certain environments, offering accurate daily GPP estimation.
A new recursively embedded atom neural network (REANN) model improves material simulation accuracy by incorporating local completeness and nonlocality. The model outperforms current machine learning models in describing the local environment, enabling more accurate predictions.
A novel cobalt-based catalyst successfully introduces a C-F chiral center in organic compounds, overcoming previous challenges. The catalyst achieves high yield and chirality without auxiliary groups or harsh conditions.
Researchers proposed rational design of nanocatalysts using metal-support interaction descriptor, identifying optimal balance between adhesion and cohesion energies. This theory guides the design of ultrastable heterogeneous metal nanocatalysts, overcoming sintering issues and improving productivity.
The TaRA model combines background magnetic field inhomogeneity and wave amplitude to explain chirping phenomena, simplifying chorus generation phase measurement. Researchers propose this innovative approach for future research on chorus properties.
The study found that a new electrocatalyst exhibits excellent acidic oxygen evolution reaction (OER) activity. The results revealed the structure of the active layer and its evolution amid electrolyzing, providing new approaches for engineering superb acidic OER nanocatalysts.
Researchers at USTC developed fine cubic Cu2O nanocrystals that exhibit high selectivity for propylene epoxidation with O2 to produce propylene oxide. The mechanism underlying this enhanced catalytic performance was also demonstrated.
Scientists at USTC localized electromagnetic fields down to 10^-6 wavelength, increasing field intensity by 2.0×10^8 times and interaction strength by 1.4×10^4 times. This breakthrough enables high-spatial-resolution quantum sensing in nanoscience.
A graphene-based nanoelectromechanical periodic array has been demonstrated, showing a large number of quasi-continuous resonance modes over a wide tunable frequency range. The device's frequency can be adjusted by applying an electric field to the graphene material.
Researchers explored superoscillations for nanoimaging and nanometrology, achieving subwavelength focusing and imaging beyond the traditional diffraction limit. This technology combines with deep learning algorithms to increase resolution and accuracy in micro-nano displacement detection.
The researchers developed a catalyst that achieves high selectivity and stability in the reduction of CO2 to formic acid. The catalyst, containing indium sulfide and zinc, demonstrates excellent catalytic stability even at industrial current density for extended periods.
Researchers at USTC have successfully synthesized small-sized Pt intermetallic nanoparticle catalysts with ultralow Pt loading and high mass activity. These catalysts exhibited excellent electrocatalytic performance for oxygen reduction reaction in proton-exchange membrane fuel cells, potentially decreasing the cost of fuel cells.
A Chinese research team reconstructed past 6,000-year history of Modified Circumpolar Deep Water (MCDW) intrusion into the Ross Sea using ornithogenic sediments. The study found two periods of enhanced MCDW intrusion linked to changes in sea ice and ecological patterns.
A research team at USTC achieved measurable control over the magnitude of BPVE under applied electric field, incident light field, and temperature conditions. The findings suggest that ultrathin 2D ferroelectrics hold potential for developing high-efficiency third-generation solar cells beyond the SQ limit.
A research team led by Prof. NI Huaiwei found the mechanism and unmixing process of supercritical fluid, revealing spinodal decomposition as a key factor in phase separation. This discovery has important implications for the formation of magmatic hydrothermal deposits.
A study published in Nature Chemical Biology revealed that crotonylation of EB1 by TIP60 ensures accurate spindle positioning in mitosis. This mechanism is crucial for cell fate determination and organogenesis, and its disruption can lead to cancer.
A research group identified a series of suppressor of siRNA factors that inhibit endogenous siRNA production in C. elegans. The study found that the accumulation of misprocessed ribosomal RNA fragments induces the production of ribosomal siRNAs, which regulate rRNA levels by activating the nuclear RNA interference pathway.
Researchers from USTC constructed a novel COF membrane with sub-2-nanometer channels, exhibiting high monovalent cation permeation rates and low multivalent cation rates. The membrane's ion selectivity outperforms reported membranes.
Researchers from USTC successfully measured two laser sources of different wavelengths using a chromatic intensity interferometer, surpassing the diffraction limit by about 40 times. This breakthrough expands applications to diverse fields like astronomy and space remote sensing.
The study uses the Relativistic Heavy Ion Collider to recreate Big Bang conditions, observing a significant enhancement of Ds±/D0 yield ratio compared to PYTHIA simulations. This confirms the role of quark-gluon plasma in open-charm hadron production.
Scientists have identified tube-forming proteins in mycobacterial outer envelope that enable protein secretion. The discovery, using x-ray crystallography and cryo-electron microscopy, reveals a novel method for studying substance transport mechanisms in pathogenic mycobacteria.
Researchers found that buttes on Mars can block about 20% of radiation from the sky, reducing the dose by a significant amount. However, this effect is limited by albedo radiation, which increases when the terrain reflects and emits radiation backwards.
Experts in the field have long believed that uniform convexity of domains was essential for the optimal transport map to be smooth. The new study removes this condition, reducing the regularity assumption and providing a significant breakthrough in the field.
The study found that upstream suppliers increase retail prices to compel platforms to use bundling strategies, reducing profits and social welfare. The researchers propose not bundling sales in advance to mitigate this effect and improve consumer value.
A team of researchers from the University of Science and Technology of China developed a super-elastic porous carbon material called 'carbon spring' with both high compressibility and stretchability. This unique microstructure enables reversible tensile and compressive deformation, similar to a real metallic spring.
Researchers from USTC demonstrate the quantum statistics and contextuality of parafermion zero modes using a multi-mode Mach-Zehnder interferometer. The fidelity of the braiding operation reaches 93.4%, enabling a fault-tolerant quantum gate.
Researchers from University of Science and Technology of China have quantified the critical particle distance to inhibit metal sintering in catalysts. The study found that adjusting particle spacing can significantly impact sintering, with PMC dominant at short distances and OR dominant at long distances.
Researchers at USTC discovered effective temperatures consistent with characteristic temperatures in equilibrium systems, bridging nonequilibrium and equilibrium theories. This finding helps establish accurate recognition of effective temperatures, linking slow-evolving nonequilibrium systems.
A research team from USTC developed an up-conversion single-photon detector to achieve millimeter-level 3D non-line-of-sight imaging. The detector operates at picosecond resolution and has low noise counts rate, enabling high-precision 3D reconstruction of target objects.
Researchers at USTC achieved a significant reduction in noise by 670 times compared to previous strategies, enabling solid quantum memory with high fidelity. The new protocol, NLPE, uses double rephasing to manipulate spontaneous noise emission and separate the signal from the noise.
Scientists develop a quantitative model to explain ultra-high fluxes in covalent organic frameworks (COFs) films, enhancing water desalination and purification. The work reveals mechanisms of enhanced evaporation through nanochannels, reducing vapor diffusion length and preventing salt crystallization.