Construction of chitosan/wurtzite multiple sites on mesoporous halloysite and selective removal of Al(III) from rare earth ions solution: Microcalorimetry investigation.

Herein, organic/inorganic multiple adsorption sites were constructed on halloysite to intensify the selective adsorption performance of the adsorbent for Al(III) in rare earth solutions. The adsorption heat behavior and thermodynamics of the composite for different ion systems were investigated using microcalorimetry. The results showed that chitosan formed a mesoporous membrane on the acid-treated calcined halloysite (HalH) substrate through a strong electron interaction between the nitrogen atom of the amino group and the oxygen atom of SiO structure on HalH.

In-situ extrusion 3D printing with tea polyphenol crosslinking for Hyaluronic acid sodium salt -based composite hydrogel scaffolds.

High-performance hydrogel biomaterials hold considerable promise for advanced wound care. However, the suboptimal mechanical properties of conventional hydrogel materials limit their practical application. In this study, Hyaluronic acid sodium salt (HA), xanthan gum (XG), and N-acryloyl-glycinamide (NAGA) hydrogels with porous structures were successfully fabricated using in-situ extrusion 3D printing technology, and a functionalization strategy involving tea polyphenol (TP) immersion was proposed to enhance material properties through additional hydrogen bonding.

Boosted photocatalytic water splitting over a direct Z-scheme CdTe/CN van der Waals heterojunction: a first-principles insight into photocatalytic activity.

The quest for sustainable and clean energy sources has led to significant research into photocatalytic water splitting, a process that converts solar energy into hydrogen fuel. This study demonstrates constructing a high-performance CdTe/CN van der Waals heterojunction for solar-driven water splitting hydrogen evolution. The proposed CdTe/CN heterojunction, investigated using first-principles calculations, integrates favorable structural stability and features a direct bandgap of 1.

Stimuli-Responsive Luminescent Properties of Dinuclear Cu(I) Complexes Regulated by Hydrogen-Bonding Donors.

The selection of hydrogen-bonding donors is crucial for the development of stimuli-responsive luminescent materials that rely on weak hydrogen-bonding interactions. In this study, we report two novel dinuclear Cu(I) complexes, [Cu(μ-η(,),η(,)-dpa)(μ-dppm)](ClO) () and [Cu(μ-η(,),η(,)-dpa)(μ-dppa)](ClO)·2CHCOCH (), which differ in their diphosphine linkers (CH in dppm vs NH in dppa). X-ray crystallography reveals weak CH···O hydrogen bonds between dppm-CH and perchlorate-O in and weak NH···O interactions between dppa-NH and acetone-O in .

Focus on China's non-ferrous metal industry: Emission characteristics of heavy metals and their impacts on water, soil, and air.

Despite China being the world's largest producer of non-ferrous metals, a comprehensive understanding of heavy metal pollution from this industry is still lacking. This study examines the spatial coupling between heavy metal (Cd, Hg, As, Pb, and Cr) emission hotspots in China's non-ferrous metal mining industry (NFMMI), non-ferrous metal smelting and processing industry (NFMSPI) and environmental media- sensitive hotspots (water body density, cultivated land concentration, and atmospheric PM2.5) to characterize the multi-media pollution risks.

Fe-X (X=C, P, S) atom pair-decorated g-CN monolayers for sensing toxic thermal runaway gases in lithium-ion batteries: A DFT Study.

The thermal runaway of lithium-ion batteries (LIBs) releases a mixture of toxic and explosive gases, posing severe safety risks. High-performance sensors are critical for the early detection of these thermal runaway gases (TRGs) to prevent accident escalation. Herein, we systematically investigate Fe-X (X=C, P, S) atomic pair-modified g-CN (FCN, FPN, FSN) monolayers as potential sensing materials for six TRGs (CO, CO, H, CH, CH, and CH) using first-principles calculations.

The effect of digital media on college students' sports participation: The mediating role of sports cognition and the moderating role of self-efficacy.

Background: With the increasing integration of digital media into daily life, its influence on college students' sport-related behaviors has become a growing area of interest. While prior research highlights the general benefits of media exposure, the specific psychological mechanisms through which digital media use affects sports participation remain insufficiently understood.

Methods: Drawing on Social Cognitive Theory (SCT), this study explores how digital media use influences sports participation through the mediating role of sports cognition and the moderating role of self-efficacy.

Effects of non-volatility of memristor on the synchronizability of memristor-coupled heterogeneous neurons.

Synaptic plasticity is of great significance for understanding the leaning and memory processes in different brain regions since it determines the synchronized firing activities of neurons. A volatility-switchable memristor-coupled heterogeneous neuron model is proposed to explore the effects of the synaptic plasticity on the synchronous dynamics of coupled neurons in different brain regions. With the increment of the non-volatility, the critical coupling strength of synchronization between two heterogeneous neurons decreases in a power-law relationship with the character parameter of the memristor.

Defect Engineering via LiCeO Oxygen-Vacancy Coating: Dual Optimization of Structural Integrity and Lattice Oxygen Stability in High-Nickel Cathodes.

High-nickel layered oxide LiNiCoMnO (NCM, ≥ 0.8) materials are considered optimal cathodes for lithium-ion power batteries owing to their high energy density, commendable cycling performance, and cost-effectiveness. However, structural collapse and interface instability during cycling result in diminished cycling stability, significantly hindering their commercial viability.

Soil restoration in rare earth tailings: Synergistic effects of coal gangue-based silicon fertilizers.

The growing demand for rare earth elements has intensified environmental concerns in mining areas, particularly with respect to soil contamination by heavy metals and nutrient imbalances. This study investigated the potential of coal gangue-based silicon fertilizers (CG-SF) for the remediation of ion-type rare earth tailings soil (RETS). CG-SF was applied at various concentrations in controlled pot experiments, with ryegrass cultivation used as a bioindicator of soil health.

Coexistence of Giant Transverse Transport Properties and Complex Spin Configuration in Polycrystalline Kagomé Ferromagnet GdCo.

Kagomé lattice magnets have recently garnered significant interest due to the pronounced transverse transport characteristics, particularly in thermoelectric and spintronic applications, stemming from the interplay between topology and magnetism. Here, a comprehensive investigation of the magnetic, electrical, and thermoelectric transport properties, as well as the complex spin configurations, is conducted in a polycrystalline Kagomé ferromagnet GdCo. Strikingly, a giant anomalous Hall conductivity ≈2125 S cm is obtained at T = 10 K, which is primarily governed by the extrinsic skew-scattering mechanism.

Tuning the Adsorption Sites of OH in Glycerol Electro-Oxidation via Oxygen Vacancies on Cobalt (II) Oxide to Promote Electrocatalytic Performance.

The electrocatalytic oxidation of biomass-derived polyols (e.g., glycerol, GLY) represents a sustainable route to simultaneously produce value-added chemicals and green hydrogen under renewable energy-driven conditions.

Research on the dynamic changes and influencing factors of the new urbanization level in Counties of China's revolutionary old areas.

Counties represent a crucial spatial unit for achieving integrated urban-rural development and coordinated regional development. Promoting new urbanization(NU) at the county level in special-type regions such as revolutionary old base areas is an important pathway to realizing this goal. From the perspective of the Main Functional Zoning framework, this study selects 617 counties across 12 revolutionary old base areas in China as research units.

Determination of the Mechanisms of Terbium(III) Biosorption by Strains with Adsorption Selectivity for Heavy Rare Earth Elements.

species have shown the potential to recover rare earth elements (REEs), but strains with adsorption selectivity for terbium(III) remain understudied. In this study, six strains with the capability for efficient adsorption of Tb(III) were screened from an ionic rare earth mine and were identified based on 16S rRNA gene sequencing. Adsorption experiments showed that sp.

Pyrolysis-Controlled Engineering of Nickel-Nitrogen-Carbon Catalytic Sites on Carbon Supports for Robust and Selective CO Electroreduction to CO.

Electrocatalytic carbon dioxide reduction (CORR) to carbon monoxide (CO) represents a sustainable pathway for closing the carbon cycle. In this study, polymerized nickel phthalocyanine (NiPPc) was employed as a molecular precursor and immobilized onto a highly conductive Ketjenblack (KB) carbon support through ultrasonic-assisted deposition, forming a NiPPc-KB composite catalyst. The carbon-nitrogen coordination environment was systematically tailored by controlled annealing to optimize the catalytic performance.

TiCT-enhanced photo-thermoelectric performance of BiTe in scaffold for improved osteogenic potential.

Photo-thermoelectric bismuth telluride (BiTe) generated electrical stimulation through photothermal-driven thermoelectric effect, offering promising potential for bone repair. Nevertheless, photo-thermoelectric conversion performance of BiTe was limited by low carrier mobility, high thermal conductivity, and rapid electron-hole pair recombination. To address this, BiTe@titanium carbide MXene (TiCT) heterojunction was constructed via electrostatic self-assembly, and subsequently incorporated heterojunction into poly-L-lactic acid scaffold fabricated by laser additive manufacturing.

Effects of different neuromuscular training modalities on balance performance in older adults: a systematic review and network meta-analysis.

Background: Neuromuscular training (NMT) is widely utilized to enhance balance and reduce fall risk in older adults, yet comparative effectiveness across various modalities remains unclear. This study aimed to systematically assess and rank the effects of sensorimotor training (ST), whole-body vibration training (WBVT), neurofunctional training (NT), and balance training (BT) on balance performance in older adults.

Methods: A systematic review and network meta-analysis was conducted following PRISMA guidelines, including 49 randomized controlled trials with a total of 3,028 older adults.

Strain-tunable MoSe/ZrCl heterostructures: first-principles insights into photogalvanic and switching device performance.

Two-dimensional (2D) heterostructure materials, known for their tunable multifunctionality and low-dimensional confinement effects, offer vast potential for diverse applications. This work provides a comprehensive investigation of the electronic structure, transport and optical properties of MoSe/ZrCl heterostructures using density functional theory (DFT) with non-equilibrium Green's function (NEGF) methods. Our results demonstrate that the electronic properties of MoSe/ZrCl heterostructure materials can be precisely tuned by applying biaxial strain.

Out-of-Plane Polarization in a 2D Ruddlesden-Popper Hybrid Lead Halide Perovskite Ferroelectric Semiconductor.

Lead halide hybrid perovskite ferroelectric semiconductor materials with out-of-plane polarization show great advantages in ultrathin photoelectric devices, especially vertical sandwich-type ferroelectric devices. However, out-of-plane polarization in lead halide hybrid perovskite ferroelectrics is extremely rare, even for the Ruddlesden-Popper (RP) type. Here, we report an RP lead-based hybrid perovskite ferroelectric semiconductor [3,3-difluoropyrrolidium]PbBr (DPB) with = 1.

Homogeneous distribution of FeO nanoparticles in poly(L-lactic acid)/thermoplastic polyurethane bone scaffold for boosting magnetic-response shape memory.

The primary consideration of a 4D printed bone scaffold is possessing good shape memory properties, followed by choosing an appropriate stimulation. Herein, polydopamine was coated on the surface of FeO to improve its distribution and dispersion in the 4D printed porous poly(L-lactic acid)/thermoplastic polyurethane (PLLA/TPU) composite bone scaffold, with enhanced magnetic-response shape memory properties. Specifically, the ratio of PLLA and TPU was optimized to 5:5, achieving optimal shape memory properties with a co-continuous structure.

Spin multifunctional transport properties of C and C molecule-based molecular nanodevices.

Cyclocarbon molecules are promising candidates for molecular spintronics because they are newly synthesized carbon allotropes with excellent physical and chemical characteristics. Sun (, 2023, , 972-976) synthesized C on an anthracene surface tip-induced dehalogenation ring-opening reactions, demonstrating superior thermodynamic stability compared to C. Albrecht (, 2024, , 677-682) utilized scanning probe microscopy tip manipulation to synthesize C on decachlorofluorene, revealing a triplet ground state and a twisted geometric structure.

Effect of exercise on endothelial function in prehypertensive and hypertensive individuals: A network meta-analysis of randomised controlled trials.

Endothelial dysfunction is an early marker of cardiovascular risk in individuals with prehypertension and hypertension. Flow-mediated dilation (FMD) is a widely used, non-invasive method to assess endothelial function. While exercise can improve FMD, the optimal modality, intensity, and volume remain unclear.

Programmable Lamellar Eutectic Zn-2Al-Mg Biodegradable Implants Manufactured by Laser Powder Bed Fusion for Synergistic Strength-Ductility and Osteogenesis.

Zn emerges considerable potential for bone repair as a biodegradable implant due to its biodegradability, good biocompatibility, and biofunctions. Nevertheless, the clinical applications of Zn encounter a profound bottleneck arising from insufficient mechanical properties and relatively slow degradation. In this work, novel Zn-2Al-Mg eutectic implants are developed by laser powder bed fusion (LPBF), aiming to overcome the mechanical dilemma meanwhile endowing remarkable osteogenesis.

[Inverse Modeling of PM Mass Concentration Using a Particle Swarm Optimization XGBoost Model].

As a major source of air pollution, PM poses a serious threat to human health, and the study of PM concentration estimation methods helps to identify pollution sources, optimize air quality management measures, and effectively improve the quality of the urban environment. To obtain the spatial distribution of PM mass concentration over a large range and improve the accuracy of PM estimation, a model of particle swarm optimized XGBoost （PSO-XGB） was proposed, and a particle swarm optimization algorithm （PSO） was introduced to optimize the parameters of XGBoost. By integrating the aerosol optical depth product （AOD） from the moderate resolution imaging spectroradiometer （MODIS） and meteorological data, the PSO-XGB-based PM mass concentration inversion model was constructed, followed by inversion of the national PM mass concentration data in 2022 by year and season, and the PSO-XGB model performance was evaluated using the ten-fold cross-validation method.

Ultrasound-Activated BiOI/TiC Heterojunctions in 3D-Printed Piezocatalytic Antibacterial Scaffolds for Infected Bone Defects.

Piezocatalytic therapy (PCT) is a promising strategy for combating implant-associated infections due to its high tissue penetration depth and non-invasive nature. However, its catalytic efficiency remains limited by inefficient electron-hole separation. In this work, an ultrasound-responsive heterojunction (BiOI/TiC) was fabricated through in situ growth of bismuth iodide oxide on titanium carbide nanosheets.