The study investigates the nonequilibrium relaxations of hot electrons and coherent acoustic phonons in Sb2Te3 under hydrostatic pressure up to 30 GPa. It reveals a hot phonon bottleneck effect that is effectively suppressed along with the onset of electronic topological transitions.
Researchers designed two conceptual models of intelligent DNA robots that can swarm into leakless nonlinear amplification. The robots use multifunctional manipulators, trigger validators, and automatic assembly motors to amplify signals and facilitate targeted drug delivery.
The study reveals a single-band paramagnetic metal behavior at intermediate correlation regime, with two antiferromagnetic insulating parent phases at strongly correlated regimes. The researchers also found that Cooper pairs in Ba2CuO4-δ are s+d-wave symmetric due to spin-fluctuation mediated effective pairing interaction.
Researchers have developed a novel nanotherapeutic that combines photothermal therapy and chemodynamic synergistic therapy using NIR-II responsive nickel nanoclusters. The treatment shows promising results in killing tumor cells and inhibiting tumor growth.
A new 2D-based photodetector made from layered ternary telluride InSiTe3 exhibits ultrafast response speed and broadband detection capabilities. It can detect light across the ultraviolet to near-infrared optical communication region.
Researchers developed a novel electrostatic field ion funnel focusing technology to improve ion transmission efficiency in mass spectrometers. The new DC-ion funnel technology increased sensitivity by up to 7.3 times compared to conventional drift tubes.
Researchers from Hefei Institutes of Physical Science successfully detected OH radicals at 2.8 μm wavelength using optical-feedback cavity-enhanced absorption spectroscopy (OF-CEAS). This breakthrough provides a new direct detection method for OH radicals, crucial for understanding atmospheric chemistry.
Research using high static magnetic fields up to 33T found no serious effects on healthy mice but improved sociality and spatial memory, alleviating anxiety symptoms. The study suggests high SMFs may be developed as anti-depression treatments in the future.
Researchers introduced a negative polar atomic layer to achieve a giant TER ratio of up to 10^5% in ferroelectric tunnel junctions. The study proposes a feasible scheme for designing high-performance FTJs with improved properties.
A new algorithm was developed to improve the transfer efficiency of near-infrared spectroscopic qualitative models. The algorithm, called CAWS, was shown to optimize the performance of discriminant models in wheat and corn discrimination.
A new photocatalyst, Bi2WO6 (CdTeQDs/2DBWO), exhibits high photodegradation efficiency for organic pollutants under visible light. The addition of a giant built-in electric field enhances the removal of persistent organic pollutants.
Scientists discovered vitamin K2's novel function in regulating mitochondrial membrane potential and alleviating oxidative stress, repairing damaged mitochondria and inhibiting nerve cell damage caused by 6-OHDA. Vitamin K2 may play a role in preventing and treating neurodegenerative diseases like Alzheimer's and Parkinson's.
A new photodynamic agent, BCQDs, has been developed using a simple hydrothermal method from broccoli biomass. The material exhibits high photostability and generates singlet oxygen effectively under irradiated light. This work introduces a rapid and high-throughput screening model for future PDT research.
Researchers at Hefei Institutes of Physical Science found nintedanib inhibits GIST cell proliferation through KIT signaling pathway. Nintedanib also overcomes resistance caused by extracellular signal-regulated kinase reactivation and upregulation of fibroblast growth factor activity.
A team of researchers has developed a microbial consortium that enhances the synthesis of terpenoids, including vitamin K2, by combining Escherichia coli and Elizabethkingia meningoseptica. The co-culture strategy improves vitamin K2 biosynthesis and realizes material exchange between bacteria.
A team developed a high-sensitivity electrochemical aptasensor for picomolar thrombin detection, demonstrating excellent anti-interference and stability. The sensing platform shows great potential for analyzing other biological or environmental substances by rational design of target-binding aptamer.
Scientists have developed an efficient electrocatalytic material that can selectively convert nitrate into nitrogen gas, reducing total nitrogen levels in water. The material, featuring a cubic Cu2O film with (111) orientation, shows high selectivity and efficiency towards N2 production.
Researchers successfully integrated manipulation of magnetic skyrmions using electrical currents, enabling operations such as writing, erasing and addressing a single skyrmion at room temperature. The achievement demonstrates the potential of skyrmion-based racetrack memories with low power consumption.
A new SERS method using a liquid 3D hotspot matrix enables online quantitative detection of anticancer drugs in serum. The method exhibits 50ppb sensitivity and a range of 50-1000ppb for the drug 5-fluorouracil.
Researchers from Hefei Institutes of Physical Science, Chinese Academy of Sciences developed a novel neutron shielding composite called Sm2O3-APTES/AFG-90H. The composite exhibited improved thermal stability, mechanical properties and efficient neutron shielding performance due to the use of coupling agents.
Researchers observed turbulence-driven current in EAST experiment, driven by electron temperature gradient mode. This current helps sustain ultra-high electron temperatures and stationary long-pulse plasmas.
Researchers have developed hollow cuprous oxide@nitrogen-doped carbon nanocapsules for efficient chemodynamic therapy. The nanocapsules exhibit excellent antitumor ability without causing systemic toxicity, promising a new approach for cancer treatment.
Researchers discovered a topological charge-entropy scaling relation in the kagome Chern magnet TbMn6Sn6, a material with potential to support intrinsic Chern quantum phases. This finding has vast implications for understanding quantum transport in topological magnets.
Researchers at Hefei Institutes of Physical Science reported a novel solution to tackle bimetallic traps in high-efficiency perovskite solar cells by applying an anchoring strategy. The strategy led to a record power conversion efficiency of 22.51% and improved open-circuit voltage, addressing a major issue in ideal bandgap perovskite ...
A novel pesticide delivery system uses UV light to control release, enhancing precision and reducing waste. The system combines chitosan, ATP, 2-NBA, CPF, and GA to deliver targeted pesticide with improved efficacy.
Researchers developed a new magneto-electrodeposition technique to improve the electrochemical performance of layered materials, resulting in high energy density and outstanding cycling stability. The technique allows for scalable production and construction of flexible hybrid supercapacitors suitable for portable electronics.
Researchers at Hefei Institutes of Physical Science discovered the damage mechanism of CaF2 crystal caused by excimer laser exposure. The study found that different crystal planes exhibit distinct damage morphologies, with plane (111) showing lamellar stripping and planes (110) and (100) experiencing burst-like damage.
Researchers from Hefei Institutes of Physical Science developed an image-free moving object position method using moment modulation patterns, achieving high frame rates of up to 11kHz. This approach reduces data deposit and computation power requirements by over two orders of magnitude.
Scientists from Hefei Institutes of Physical Science and Xi'an Jiaotong University fabricated a kind of high-performance bulk pure tungsten with high strength and excellent ductility at low temperature. The material features a lamellar matrix grain structure, which contributes to its improved low-temperature properties.
Researchers have created a high-performance molybdenum alloy with impressive room temperature yield strength of 920 MPa, surpassing current market TZM alloy. The alloy also exhibits excellent ductility at elevated temperatures, outperforming previously reported alloys.
A recent study by Hefei Institutes of Physical Science, Chinese Academy of Sciences, discovered a novel regulatory role of mitochondrial factor HIGD1A in DNA damage repair. The research found that the protein's translocation into the nucleus regulates homologous recombination and affects sensitivity to radiation therapies.
Researchers applied effective field-of-view theory to deep learning models, improving target detection accuracy and reducing training epochs. The model enhanced object representation with higher precision and better performance on small objects detection.
Researchers from Hefei Institutes of Physical Science, Chinese Academy of Sciences, have successfully improved the thermoelectric performance of half-Heusler materials, including NbFeSb. The new compounds exhibit lower thermal conductivity and higher electrical properties than the original material.
Researchers from the Hefei Institutes of Physical Science have revealed ultra-high anisotropic damping in large-sized Fe-Ga single crystals, with a maximum value of 0.13 under torsional deformation conditions. This high damping effect is attributed to the irreversible motion of domain walls under alternating stress.
A novel detector technology has been developed for sensitive nitrogen dioxide detection, enabling fast and accurate measurements. The new instrument achieves precisions of 35 pptv in 1 s and 8 pptv in 30 s data acquisition time, surpassing previous methods.
Researchers have developed a hydrogel electrolyte that enables aqueous zinc-ion batteries to operate within a wider temperature range (-20 °C to 60 °C), improving device flexibility. The new electrolyte also shows improved mechanical properties and electrochemical performance, with a high capacity retention rate of 88%.
Researchers from Hefei Institutes of Physical Science identified the dominant mechanism for core heavy impurities accumulation and control. Large toroidal rotation and density peaking contribute to heavy impurity accumulation.
Scientists at Hefei Institutes of Physical Science discovered excellent barocaloric (BC) cooling performance in n-alkanes using self-developed test platform. The material exhibits colossal entropy change comparable to commercial Freon-based refrigerants and has potential for caloric cooling applications.
Half-Heusler compounds have been a focus of thermoelectric research, but n-type HH materials have lagged behind in improvements due to conduction band limitations. Researchers engineered conduction band convergence through orbital chemistry, boosting Seebeck coefficient and suppressing lattice thermal conductivity.
Researchers developed a new 'two-step' magnet design strategy to standardize permanent magnet blocks, improving assembly accuracy and reducing technical barriers. The design enables mass production of identical cubic magnet blocks, which can be arranged in Halbach arrays for higher field strength.
Researchers have identified Ubiquitin Specific Peptidase 47 (USP47) as a novel therapeutic target for treating cancers with mutant EZH2. Inhibition of USP47 selectively degrades mutant EZH2, potentially overcoming resistance to current treatments.
Researchers from Hefei Institutes of Physical Science have obtained the first high-resolution slow photoelectron spectrum of sulfuric acid (H2SO4), revealing three electronic states and dissociation into HSO3+ and OH fragments. The findings provide fundamental data for in-depth understanding of atmospheric nucleation mechanism.
A recent study by researchers at Hefei Institutes of Physical Science found that local ozone generation was greatly underestimated under high NOx conditions. They observed higher HOx levels using a self-developed instrument and attributed the discrepancy to complex carbonyls-related oxidation under elevated photochemistry.
Researchers developed a new type of solar-thermally enhanced supercapacitor that boosts energy storage capacity by 4.8 times in low temperatures, while maintaining capacitance retention rate of 85.8%.
The void-confinement effect of a hollow carbon sphere and inner Ni nanoparticles boosts the selectivity of furfural conversion, with 100% conversion and 99% cyclopentanone selectivity achieved. The catalyst's stability is also improved compared to traditional active carbon supported catalysts.
Researchers trap Majorana quasi-particles in iron-based superconductor Fe (Te, Se) using crystal domain walls. The study finds that these defects can bind Majorana quasi-particles with linear dispersion, proposing a new way to manipulate and fuse them.
Researchers at Hefei Institutes of Physical Science, Chinese Academy of Sciences, have developed new p-type near-infrared transparent conducting films with ultra-high conductivity. The films exhibit high near-infrared transmittance and low room-temperature sheet resistance.
Researchers investigated how pressure affects electron-phonon coupling in FeSe, revealing that in-plane biaxial strain can increase the coupling due to changes in Se position and lattice constants. This study provides a strategy for experimentalists to improve superconducting properties.
Researchers developed a novel analytical method using near-infrared spectroscopy (NIRS) and data fusion technology for accurate crop quality detection. The method, published in Analytica Chimica Acta, uses the fusion of NIRr and NIRt spectra to predict rice flour constituents with higher accuracy.
Researchers developed nanosensors for sensitive detection of semicarbazide and heparin, overcoming autofluorescence issues in traditional methods. The sensors have high sensitivity and visual response for semicarbazide detection, as well as a dual-response behavior for heparin.