NATURE
·
2026
·
IF 56.1
Zhang Chengxi,Zeng Qingsen,Li Hui,Guo Renjun,Yu Yue,Dai Linjie,Turyanska Lyudmila,Liu Zirui,Dai Jun,Yang Yingguo,Zhao Yue,Lu Jun,Wang Lin,Kong Lingmei,Sum Tze Chien,Wu Yuchen,Lee Tae-Woo,Yang Xuyong
Quantum dot (QD) superlattices offer collective optoelectronic properties distinct from disordered solids 1 , 2 , 3 , 4 , but their integration into high-resolution display devices remains elusive because of difficulties in achieving spatially defined, structurally coherent thin films. Here we report a scalable strategy for fabricating pixelated perovskite QD (PeQD) superlattice thin-film arrays that feature in-plane long-range order, vertical confinement and precise spatial patterning. By engineering rhombic dodecahedral CsPbBr 3 nanocrystals with robust surface termination by a ligand-fluoride co-stabilization approach, we direct the formation of hexagonally close-packed superlattice films using capillary liquid-bridge confined assembly. These superlattice films exhibit reduced energetic disorder and enhanced electronic coupling. When integrated into light-emitting diodes (LEDs), the electrically driven PeQD superlattices yield an external quantum efficiency of 30.9%, high luminance of 117,144 cd m −2 and pixel densities of up to 5,080 pixels per inch. The devices show an extrapolated operational half-lifetime ( T 50 ) of 12,411 h at 100 cd m −2 —more than 1,000-fold longer than previously reported pixelated PeQD LEDs. Moreover, we demonstrate the direct integration of patterned superlattices onto a commercial thin-film transistor backplane to construct a 1.85-inch active-matrix display with full greyscale control and video playback ability. These results establish colloidal QD superlattices as a viable material platform for next-generation high-resolution, stable and efficient perovskite displays.
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PubMed
高影响因子
Nature Communications
·
2026
·
IF 18.1
Zhu Jia,Liu Xionghao,Li Jiaying,Xiao Yang,Mu Xin,Chen Ying,Liu Haibin,Qin Yujiao,Cheng Yuhua,Huang Zhenlong,Gao Min,Pan Taisong,Yang Jian,Cheng Huanyu,Lin Yuan
Thin, conformable electronic skin (e-skin), capable of accurately perceiving various stimuli (e.g., temperature and pressure), is an important building block for various cutting-edge applications, including human healthcare, structural health monitoring, human-machine interfaces, and closed-loop device systems. However, crosstalk from multiple input signals severely deteriorates the sensing accuracy of the measured temperature and pressure. Moreover, different constituent materials and fabrication protocols utilized for flexible sensors hinder their integration towards multifunctional e-skin. Here, this work introduces mechanically and electrically hybrid networks (MEHNs) in functional nanocomposites for large-area, multiplexed, and decoupled sensing. The rigid, high-resistive vanadium oxide (VO 2 ) microparticles with metal-insulator transition combined with soft, low-resistive liquid metal particles (LMPs) in MEHNs serve as temperature sensing units and mechanical buffers, respectively, leading to an ultra-high yet pressure-insensitive temperature coefficient of resistance (TCR) of −2.23%. Modifying VO 2 microparticles with silver nanoparticles to cancel the high TCR is combined with a porous structure to render the nanocomposite with temperature-insensitive pressure sensing with a sensitivity of 1.212% kPa −1 . The same constituent material and fabrication protocol of the MEHN nanocomposites, along with their scalability and recyclability, can afford low-cost, large-scale, and multiplexed e-skin for broad application opportunities, including human and battery health monitoring, soft electrical impedance tomography, and robotic perception.
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SHOCK WAVES
·
2026
·Vol. 36
·期 1
·9
·
IF 1.8
Zhang L.,Zhao C.,Xu Z.,Shi Y.,An E.,Liang J.,Cao X.
Boron (B) is considered as a high-energy additive for solid propellants owing to its high mass and volumetric calorific values. DAP-4, a novel solid energetic material, exhibits excellent detonation performance and strong oxidizing properties, making it a promising high-energy oxidizer for solid propellants. To explore the ignition and combustion characteristics of DAP-4-based boron-containing high-energy materials, mixed powders of DAP-4 and nanometric boron (nano-B) materials with varying mass ratios were prepared through mechanical blending. X-ray diffraction (XRD) analysis confirmed the crystalline structure of the DAP-4/nano-B mixed powder and the absence of additional compounds or phases. Scanning electron microscope (SEM) observations revealed that nano-B particles effectively adhered to the surface of the DAP-4 particles, with the density of attached nanometric boron increasing as its content in the samples increased. Elemental mapping and Energy Dispersive X-ray Spectroscopy (EDS) further validated this surface modification. TG-Differential Scanning Calorimetry (DSC) analysis indicated good compatibility between DAP-4 and nano-B, with minimal mutual influence during thermal decomposition under heating. The ignition and combustion characteristics of the DAP-4/nano-B mixed powders were investigated using a shock tube at temperatures of 2200–3100 K and pressures of 0.1 MPa and 0.5 MPa. Results showed that both ignition delay time and burn time decreased with increasing temperature, whereas pressure had a negligible effect. As the boron content increased from 0 to 30%, the ignition delay time decreased, while the burn time initially decreased and then increased. Overall, the addition of nano-B effectively enhanced the combustion of DAP-4/nano-B mixed powders. In practice applications, the ignition and combustion performance of DAP-4 can be tailored by adjusting the mass fraction of boron powder.
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Advanced Composites and Hybrid Materials
·
2026
·
IF 15.5
Liu Benteng,Meng Hongda,Li Qiao,Liu Ziye,Zuo Min,Du Miao,Song Yihu,Zheng Qiang
Polysulfides produced by inverse vulcanization of elemental sulfur (S) with multi-functional alkenes are promising for applications in rubber nanocomposites. Herein we carried out inverse vulcanization of S using liquid isoprene rubber (LIR) as the crosslinker and N -cyclohexyl-2-benzothiazolesulfenamide (CZ) as promoter and investigate the effects of the inversely vulcanized S/CZ/LIR mixtures on the crosslinking networks and carbon black (CB) dispersity of CB filled isoprene rubber (IR) vulcanizates. It is shown that the S/CZ/LIR mixtures could promote the IR vulcanization, improve the dispersity of CB significantly and lower loss modulus in the linear viscoelastic region for gums vulcanizates. The gums vulcanizates with an extra addition of 1 phr S/CZ/LIR mixtures exhibit more homogeneous crosslinking networks with smaller mesh sizes, higher tensile strengths in comparison with the control one. Furthermore, the S/CZ/LIR mixtures significantly improve the thermo-oxidative aging resistance. The deformation of nanocomposites vulcanizates mainly involves the matrix experiencing locally amplified deformation while the S/CZ/LIR mixtures slightly influence the strain-induced crystallization of the network strands. This work provides valuable insights for modulation of the crosslinking network and filler dispersity to prepare high strength, low dissipation rubber products.
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CELLULOSE
·
2026
·
IF 4.6
Cheng Heli,Guo Zejiang,Chen Bingzhe,Gong Jiansheng,Luo Qipeng,Chen Xin,Wang Peng,Jiang Jungang
Hemicellulose-based hydrogels have attracted significant attention due to their inherent renewability, and tunable physicochemical properties. Overcoming their intrinsic mechanical weakness remains a persistent challenge. Here we present a robust and stretchable microgel-reinforced hemicellulose hydrogel made by embedding rigid chitosan microspheres (CMs) in the flexible hydrogel matrix formed by copolymerization of methacrylated hemicellulose and acrylamide. The compressive strength of the hydrogel achieves 3.52 MPa under a strain of 90%, which is 2.7 times that of the hydrogel without CMs. Meanwhile, the tensile strength reaches 44.09 kPa, with a strain of 413%. The toughness of the hydrogel is 91.1 kJ m −3 , nearly twice that of the hydrogel without CMs. Further incorporation of MXene endows the hydrogel with excellent electrical conductivity (0.56 S m −1 ), enabling pressure detection as low as 0.16 kPa, which makes it suitable for use as a sensor for real-time monitoring of physiological signals and human motion.
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Food Analytical Methods
·
2026
·Vol. 19
·期 6
·186
·
IF 3
Pang Jing,Meng Fangyuhe,Song Yiyun,Yu Hongmei,Chen Guosong,Liu Chang
A two-dimensional imine-linked covalent organic framework, designated as COF-LZU1, was employed as a high-performance solid-phase extraction (SPE) adsorbent for the preconcentration of trace Cd(II) from complex food matrices. Systematic investigations of adsorption kinetics and isotherms revealed that Cd(II) uptake follows a pseudo-second-order model and aligns with the Langmuir isotherm, indicating a monolayer chemisorption process. The theoretical maximum adsorption capacity reached 114.94 mg g −1 , demonstrating highly competitive performance against traditional adsorbents. Structural and spectroscopic characterizations (SEM–EDS, BET, FT-IR, XPS, and XRD) before and after adsorption confirmed that the robust performance of COF-LZU1 originates from its high specific surface area and abundant nucleophilic imine linkages (-C = N-), which serve as primary coordination sites. Supported by the Hard and Soft Acids and Bases and density functional theory simulations, the adsorption mechanism involves a synergistic interplay of electrostatic attraction, chelation, and the channel effect. Under optimized conditions, the integrated SPE-GFAAS platform achieved a highly sensitive limit of detection (3.34 ng L −1 ) and excellent precision (RSD = 1.0%). The methodology was validated using certified reference materials and real food samples, yielding excellent recoveries (94.0–104.0%). These findings underscore the significant potential of COFs-LZU1 as specialized scaffolds for the robust enrichment and quantification of trace heavy metals in food safety applications. Graphical A novel two-dimensional imine-linked covalent organic framework, designated as COF-LZU1, was initially employed in a solid-phase extraction system to adsorb trace amounts of Cd(II) from food samples. The adsorption process is identified as a sophisticated multi-step mechanism: initially, Cd(II) ions are attracted to the vicinity of the nitrogen-rich binding sites via electrostatic forces; subsequently, they migrate into the interior pores through the channel effect and are ultimately anchored via strong coordination-chelation with the imine linkages. This study underscores the potential of COF-LZU1 as a high-performance and selective platform for the separation and detection of Cd(II) in complex food matrices.
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Nature Communications
·
2026
·
IF 18.1
Yuan Ziliang,Yao Zihao,Tang Qingjie,Ren Yanrong,Wang Jianguo,Zhou Peng,Zhang Zehui
Controlled reduction of functional groups remains a significant challenge in catalytic chemistry. In this study, we report a novel method for selectively reducing various functional groups using biomass-derived ethanol, mediated by oxygen vacancies in highly dispersed molybdenum oxide on nitrogen-doped carbon. Selectivity for the reduction of four representative substrates, sulfoxides, pyridine N -oxides, nitro compounds, and alkynes is successfully controlled via temperature, yielding the corresponding sulfides, pyridines, amines, and alkenes with high yields. Mechanistic studies indicate that the reactivity of these substrates is directly correlated with their interaction strength with O v in molybdenum oxides, which effectively adsorb and activate both ethanol and the substrates via Columb interactions and facilitates hydrogen-atom transfer from ethanol to these functional groups. DFT calculations further confirm that O v in Mo/CN-600 significantly lowers the energy barriers for the H transfer from α-C sp3 -H in ethanol to substrates (0.76 eV vs . 2.04 eV), thereby enhancing reactivity. This strategy provides a green and sustainable approach to the controlled reduction of functional groups with strong practical potential.
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高影响因子
Nano-Micro Letters
·
2026
·Vol. 18
·期 1
·315
·
IF 38.5
Gao Renxian,Li Jiayu,Dong Xiaoxiang,He Yonglin,Chen Wenbin,Ren Peiwen,Zhao Xiaoyu,Li Ming-De,Yang Zhilin
Ultrafast all-optical modulators are central to the advancement of next-generation photonic computing and signal-processing systems. However, the intrinsic electron–phonon relaxation bottleneck in plasmonic materials has long constrained modulation speeds to the picosecond regime, hindering the realization of sub-100 fs modulation. Here, we report a metastructured silver–single-crystal silicon nanodisk antenna that delivers experimentally resolved sub-100 fs all-optical modulation. Distinct from conventional planar metal–semiconductor junctions, the nanodisk architecture spatially co-localizes plasmonic energy deposition with the metal–semiconductor transfer boundary within a nanoscale-confined volume. This configuration markedly shortens hot-carrier transport pathways and preferentially activates interfacial carrier extraction during the earliest relaxation stage, thereby establishing an interface-dominated modulation pathway that precedes electron–phonon thermalization. By enabling modulation on timescales comparable to intrinsic electronic response limits, this work establishes a physical foundation for ultrafast photonic modulation, including femtosecond free-space photonic computing architectures, temporal optical gating, and other ultrafast systems constrained by carrier or cavity lifetimes.
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Communications Biology
·
2026
·
IF 5.8
Gu Qingqing,Chen Qianwen,Deng Ye,Deng Li,Huang Jianya,Wang Jingyi,Ji Yuan,Wang Ruxing,Wang Qingjie,Sun Ling
Doxorubicin (DOX) is a highly effective chemotherapeutic agent, but its clinical application is limited by cardiotoxicity. Mitochondrial dysfunction and apoptosis are key mechanisms underlying DOX-induced cardiomyopathy (DIC), while the role of telomerase reverse transcriptase (TERT) and its specific regulatory mechanisms remain unclear. An in vitro DOX-induced H9C2 cardiomyocyte injury model was established. TERT was overexpressed via adenoviral transfection or inhibited using BIBR1532. An in vivo mouse model of DOX-induced acute myocardial injury was constructed, with TERT expression regulated via intramyocardial adenoviral injection. Cardiac function was evaluated by echocardiography, and myocardial pathology was observed via staining. Additionally, exosome-encapsulated growth differentiation factor 15 (EXO-GDF15) was extracted and identified. Its regulatory mechanism on TERT was explored using DNA pull-down and luciferase reporter gene assays. Metabolomics was used to analyze the effect of TERT on mitochondrial metabolites in cardiomyocytes. TERT overexpression reduced DOX-induced apoptosis, increased mitochondrial membrane potential, and promoted autophagy in cardiomyocyte. In mice, TERT overexpression improved cardiac function and alleviated myocardial fibrosis, inflammation, and cardiomyocyte hypertrophy. Conversely, TERT inhibition exacerbated these injuries. EXO-GDF15 could be endocytosed by cardiomyocytes and alleviated DOX-induced myocardial injury by downregulating SUB1 to promote TERT transcription. Luciferase reporter assays showed that SUB1 binds to the BS4 site of the TERT promoter. Metabolomics showed that TERT increased the mitochondrial metabolite thiamine pyrophosphate (TPP) in cardiomyocytes, which alleviated myocardial injury by participating in the tricarboxylic acid cycle. EXO-GDF15 alleviates doxorubicin-induced cardiotoxicity via the SUB1/TERT/TPP signaling axis, thereby providing advanced insights for future DIC treatment.
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Journal of Soil Science and Plant Nutrition
·
2026
·
IF 3.6
Zhao Jiejie,Long Gui,Xia Xintong,Wang Sufen,Zhong Huitao,Teng Xiaowen,Zhang Xiaokai,Liu Dan,Zhang Ying,Zheng Bo,Gustave Williamson,He Lizhi
Heavy metal(loid) contaminated soil is widespread in the word. Exogenous addition of phytohormones have been proved to mitigate Cd toxicity, but the co-application of different phytohormones with Si through plant root or spraying are still limited. It is necessary to investigate an efficient strategy using phytohormones to ensure grain safety in Cd-polluted paddy fields. Three phytohormones (including melatonin [MT], jasmonic acid [JA] and salicylic acid [SA]) were applied alone or in combination with silicon (Si) fertilizer in a hydroponic experiment, screening MT as the best phytohormone on decreasing Cd accumulation and enhancing plant growth. Then a pot experiment was conduced to evaluate the MT application method (root or spraying) and the associated mechanisms. Hydroponic experiment revealed that foliar phytohormone application significantly increased total root length by 97.72–127.40% and improved chlorophyll synthesis. However, root-applied MT exhibited the most notable reduction on Cd accumulation (by 56.96%) and translocation factor (by 64.13%). Consequently, MT was selected for further validation in a soil-pot experiment through foliar and root application. The pot results confirmed that foliar Si and MT co-application was the most effective strategy, reducing Cd concentrations in grains, husks, leaves, shoots, and roots by 37.8%, 74.3%, 72.2%, 45.1%, and 30.3%, respectively. This maybe due to the subcellular sequestration (cell wall fraction increased by 17.3%), and the increased antioxidant protection. This study demonstrates that the co-application of Si and MT is a cost-effective, highly efficient strategy for ensuring grain safety in Cd-polluted paddy fields. Graphical
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AQUACULTURE INTERNATIONAL
·
2026
·Vol. 34
·期 7
·305
·
IF 3.5
Lu Liushen,Li Jinlong,Qin Ting,Chen Kai,Xie Jun,Ping Fang,Xi Bingwen
Aeromonas spp. are major pathogens severely affecting the Carassius auratus gibelio farming industry. The prolonged use of enrofloxacin (Enr) has led to reduced therapeutic efficacy, drug residues, and the emergence of antibiotic resistance. Simply increasing antibiotic dosage is unsustainable, and the core challenge lies in potentiating antibiotic efficacy without dose escalation. Here, we employed combination therapy using allicin E (ALE) as a potentiator of Enr and investigated its synergistic antibacterial activity, underlying mechanisms, and protective effects against A. hydrophila in C. auratus gibelio . In vitro, the combination of Enr and ALE exhibited broad-spectrum synergistic or additive activity against multiple aquatic pathogens, rapidly eradicating A. hydrophila without regrowth during the observation period. Mechanistically, the combination triggered a burst of bacterial reactive oxygen species (1.67-fold vs. control), leading to irreversible membrane damage and leakage of intracellular contents, and significantly inhibited biofilm formation and disrupted mature biofilms. In vivo, oral administration of the combination in C. auratus gibelio challenged with A. hydrophila significantly improved survival (66.6% vs. 26.6% in model), reduced bacterial loads in liver, spleen and kidney (by 70.9%, 81.3% and 72.9%, respectively, vs. model group), and mitigated oxidative damage by restored antioxidant enzymes (T-SOD, CAT) activity, decrease MDA, as well as attenuated inflammatory infiltration and hemorrhage in spleen and kidney tissues. This is the first report of ALE potentiating Enr against A. hydrophila via a synergistic ROS-mediated membrane damage, validated in C. auratus gibelio , with approximately 50% Enr reduction potential.
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高影响因子
RESPIRATORY RESEARCH
·
2026
·
IF 5.7
Chen Xiufeng,Liu Xiuxiu,Jiang Yonghong,Li Wen,Lin Yan,Wang Mingjing,Zhang Hongyu,Chen Mengjie,Lv Tuochen,Lu Yi,Jiang Zhiyan
Objectives To investigate the potential of hyaluronic acid (HAMA) loaded with quercetin (QT) as named (HAMA@QT) nanoparticles, synthesized via microfluidic technology, to reverse epithelial-mesenchymal transition (EMT) in chronic bronchial asthma by modulating macrophage polarization. Methods HAMA@QT nanoparticles were synthesized by encapsulating quercetin (QT) within a HAMA matrix using a microfluidic technique. The nanoparticles were characterized by various techniques, including scanning electron microscopy (SEM), dynamic light scattering (DLS), and X-ray photoelectron spectroscopy (XPS). HAMA@QT in vitro effects were assessed in BEAS-2B cells, while HAMA@QT in vivo therapeutic potential was evaluated in a chronic allergic asthma mouse model. Various assays such as wound healing, Transwell migration, and immunofluorescence were conducted to analyze EMT reversal, macrophage polarization, and cell viability. Additionally, histological and biochemical analyses were performed to assess pulmonary inflammation and fibrosis in the mouse model. Results HAMA@QT nanoparticles exhibited successful encapsulation of quercetin, with high encapsulation efficiency (81.4%) and a sustained drug release profile. In vitro, HAMA@QT significantly reversed LPS-induced EMT in BEAS-2B cells, as evidenced by enhanced migration, increased E-cadherin expression, and decreased Vimentin and α-SMA levels. In vivo, HAMA@QT treatment reduced airway inflammation, mucus secretion, and fibrosis in an asthma mouse model. Furthermore, HAMA@QT nanoparticles promoted M2 macrophage polarization, indicated by increased CD206 expression and reduced iNOS levels, while alleviating inflammation. The nanoparticles effectively reversed EMT in lung tissue by restoring E-cadherin expression and reducing Vimentin and α-SMA in the treated animals. Conclusion HAMA@QT nanoparticles reverse EMT and regulate macrophage polarization in chronic bronchial asthma, alleviate airway inflammation and fibrosis, and represent a promising therapeutic strategy for chronic asthma treatment.
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