Advanced Composites and Hybrid Materials
·
2025
·Vol. 8
·期 1
·1-13
·
IF 21.8
Gong Hao,Wang Zhongyang,Song Xiaokun,Li Hongchao,Sun Kai,Zhou Xiao,Fan Tongxiang
Effective radiative cooling is crucial for reducing undesirable energy consumption caused by thermoregulation technology. However, conventional passive coolers still suffer from challenges such as vulnerability to harsh service conditions and suboptimal radiative cooling performance without guidance from optical design. Metacoating based on photonic structure design and all-inorganic components can overcome these drawbacks. In this paper, we fabricate a metacoating for radiative cooling, incorporating zirconia submicrospheres (ZS) within a potassium silicate binder. ZS with optimal diameters of about 500 nm were synthesized to efficiently scatter sunlight. The metacoating has a solar absorption ( α s ) of only 0.04 in the 0.25–2.5 µm range, and an infrared emittance ( ε ) of 0.91 in the 2.5–16.7 µm range. The low solar absorption is attributed to the high backscattering efficiency of ZS and their high-volume fraction, as confirmed by Mie scattering theory and Monte Carlo ray-tracing simulations, while the high emittance is driven by vibrational absorption from chemical bonds in ZS and potassium silicate. After proton and electron irradiation, the metacoating retains α s below 0.083 and ε above 0.910, indicating excellent irradiation resistance. Our findings highlight that metacoating utilizing ZS with a large bandgap and suitable diameters holds significant potential for advancing space radiative cooling technologies.
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Cellular & Molecular Immunology
·
2024
·
IF 21.8
Wu Xiaoxia,Zhao Xiaoming,Li Fang,Wang Yang,Ou Yangjing,Zhang Haiwei,Li Xiaoming,Wu Xuanhui,Wang Lingxia,Li Ming,Zhang Yue,Liu Jianling,Xing Mingyan,Liu Han,Tan Yongchang,Wang Yangyang,Xie Yangyang,Zhang Hanwen,Luo Yan,Li Hong,Wang Jing,Sun Liming,Li Yu,Zhang Haibing
The hypersecretion of cytokines triggers life-threatening systemic inflammatory response syndrome (SIRS), leading to multiple organ dysfunction syndrome (MODS) and mortality. Although both coagulopathy and necroptosis have been identified as important factors in the pathogenesis of SIRS, the specific cell types that undergo necroptosis and the interrelationships between coagulopathy and necroptosis remain unclear. In this study, we utilized visualization analysis via intravital microscopy to demonstrate that both anticoagulant heparin and nonanticoagulant heparin (NAH) pretreatment protect mice against TNF-α-induced mortality in SIRS. Moreover, the deletion of Mlkl or Ripk3 resulted in decreased coagulation and reduced mortality in TNF-α-induced SIRS. These findings suggest that necroptosis plays a key role upstream of coagulation in SIRS-related mortality. Furthermore, using a genetic lineage tracing mouse model (Tie2-Cre;Rosa26-tdT ), we tracked endothelial cells (ECs) and verified that EC necroptosis is responsible for the vascular damage observed in TNF-α-treated mice. Importantly, Mlkl deletion in vascular ECs in mice had a similar protective effect against lethal SIRS by blocking EC necroptosis to protect the integrity of the endothelium. Collectively, our findings demonstrated that RIPK3–MLKL-dependent necroptosis disrupted vascular integrity, resulting in coagulopathy and multiorgan failure, eventually leading to mortality in SIRS patients. These results highlight the importance of targeting vascular EC necroptosis for the development of effective treatments for SIRS patients.
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Advanced Composites and Hybrid Materials
·
2025
·Vol. 8
·期 6
·423
·
IF 21.8
Cheng Yu,Li Sen,Liang Siqi,Yi Zhengkun,Chang Yu,Zhang Yi,Sun Bin,Peng Tao,Wu Shaohui,Li Jing,Yang Hui,Sun Hongyan
Rapid wound closure is crucial to prevent microbial invasion during skin trauma. Delayed diagnosis and treatment of wound infection may lead to complications such as impaired healing and sepsis. Conventional clinical dressings (e.g., cotton and gauze) mainly provide physical isolation but fail to establish an antibacterial microenvironment. These dressings often adhere to wound tissues, resulting in secondary injury during removal, and lack the capability for real-time monitoring of wound conditions. This study innovatively integrates multimodal pressure sensing with wound repair functions, enabling the synergistic development of smart sensing wound dressings (SSWD) that offer real-time visual monitoring. The dressing employs gradient cross-linking to fabricate a dynamic self-adaptive Janus-structured organic hydrogel. The upper non-adhesive ion-sensing layer incorporates micro-nano surface structures, enabling high-resolution real-time responses to mechanical signals from wound swelling and tissue regeneration. This capability, when coupled with an image acquisition system, enables visual monitoring of the healing process. The lower adhesive layer ensures robust interfacial integration with the wounds’ bed via hydrogen bonding while allowing controlled sustained release of drugs that promote healing. This system propels the development of intelligent dressings towards diagnosis-treatment integration and offers an innovative solution for precision wound management.
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Advanced Composites and Hybrid Materials
·
2025
·Vol. 8
·期 6
·1-16
·
IF 21.8
Wang Enfu,Wang Siqun,Li Wenzhu,Zhang Wenbiao,Dai Chunping,Sheng Kuichuan,Huang Jingda
Developing effective raindrop monitors for complex outdoor environments remains a significant challenge. Herein, an innovative raindrop monitoring mechanism based on synergistic charge and proton transfer was proposed to overcome the limitations of traditional deformation-based raindrop monitors, whose accuracy is compromised by interference from wind and insect micro-vibrations. A span-new conductive and superhydrophobic coating was designed through integrating lignin nanospheres, in situ grown ZnO, in situ polymerized polypyrrole (PPY), and polydimethylsiloxane, transforming natural wood into a raindrop monitor via simple spraying. When raindrops contact the raindrop monitor, the charges and protons in the water vapor penetrate the coating to interact with the surface holes of PPY, thereby causing measurable changes in resistance. The coating exhibits excellent superhydrophobicity (water contact angle of 165.8°) and conductivity (0.52 S/m), precisely responding to raindrops with various volumes, heights, and pH values (response time of 282 ms). Furthermore, the coating demonstrates outstanding environmental stability, including remarkable abrasion resistance (maintaining superhydrophobicity after 30 abrasion cycles), outstanding ultraviolet (UV) resistance (retaining superhydrophobicity for 250 h and 13 h under 15 W/m 2 and 1000 W/m 2 UV irradiation respectively), and high antibacterial property (99.9% against both Escherichia coli and Staphylococcus aureus ), ensuring its long-term stable operation in complex outdoor environments. Given the simple preparation and superior performance, this work provides a foreseeable prosperity for the long-term application of raindrop monitor in complex outdoor environments to promote ecological research.
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Advanced Composites and Hybrid Materials
·
2025
·Vol. 8
·期 6
·1-22
·
IF 21.8
Liu Yushan,Cao Xiongxiong,Yang Mengfan,Wei Meng,Mao Jingya,Sun Jingjing,Xiang Huizhi,Wang Haihua
To address the low efficiency and flammability of wood-based phase change materials (WPCMs) in solar energy storage, this study developed a series of WPCMs (PEG/TPP/DW-P) with both flame retardancy and solar-thermal energy storage properties by vacuum-impregnating polyethylene glycol (PEG), triphenyl phosphate (TPP), and polydopamine (PDA)-functionalized carbon dots (PCDs) into delignified wood (DW). In addition to surface tension and capillary forces, the polyhydroxy structures of cellulose and hemicellulose in DW formed strong hydrogen bonds with PCDs, PEG, and TPP, further hindering the leakage of phase change materials (PCMs) during the “solid–liquid” phase Change process. The leakage rate was lower than that of most studies, at 4.67%, and the composite material could still maintain shape stability after 150 heating–cooling cycles. The PDA with a larger specific surface area in PCDs conducted efficient electron transfer with the carbon dots (CDs) loaded on it, resulting in the occurrence of non-radiative transitions. The photothermal energy storage efficiency was 90.68%, far exceeding those of pure CDs. The P-containing PCM-TPP synergistically interacted with the N in PCDs to generate a flame-retardant carbon layer. Compared with PEG/DW, the peak heat release rate and total heat release of PEG/TPP/DW-P were reduced by 28.19% and 13.45%, respectively. We also explored the practical application of WPCMs in simulating roofs, which showed good flame-retardant and thermal insulation properties. This study achieved the integration of the photothermal agent and flame retardant in WPCMs into the same nanomaterial-PCDs, minimizing the reduction in latent heat value caused by the addition of multiple components. The current research has very broad application potential in the practical application of WPCMs as buildings. Graphical Wood-based composite phase change materials based on polydopamine functionalized carbon dots for efficient solar-to-thermal energy storage and flame-retardant applications.
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MICROCHIMICA ACTA
·
2025
·Vol. 192
·期 10
·1-11
·
IF 5.3
Wang Haiping,Luo Li,Han Feifei,Peng Sibei,Wang Li,Shu Xiji,Sun Binlian,Liu Yuchen,Zhang Song,Yu Yao
Non-alcoholic fatty liver disease (NAFLD) is a global health concern, but early diagnosis remains challenging due to the limitations of current methods, which are often invasive or lack sensitivity. To address this, we developed UIO-YB, a dual-responsive fluorescence probe combining water-soluble UIO carriers with a polarity-sensitive dye (YB) for precise NAFLD detection. UIO-YB exhibits dual fluorescence emission (red for YB, blue for UIO), enabling simultaneous detection of lipid accumulation (via YB’s polarity response) and oxidative stress markers (via UIO’s RNS reactivity). In vitro, UIO-YB detected lipid droplets in HepG2 cells within 2 h, surpassing Oil Red O in speed and simplicity. In vivo, it accurately visualized Hepatic steatosis in mice after 6 weeks of a high-fat diet, demonstrating high specificity and sensitivity. Unlike conventional dyes, UIO-YB operates without organic solvents, simplifying protocols while reducing background noise. UIO-YB’s water solubility and dual-response design overcome key limitations of existing probes, offering a rapid, scalable tool for early NAFLD detection. Its performance in cellular and preclinical models highlights its potential to advance NAFLD research and clinical diagnostics. This innovation paves the way for non-invasive, high-sensitivity imaging to improve disease monitoring and intervention. Graphical
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International Journal of Minerals Metallurgy and Materials
·
2025
·Vol. 32
·期 9
·2260-2269
·
IF 7.2
Xie Zhipeng,Zhang Da,Peng Haiyang,Lei Yong,Yang Bin,Liang Feng
Nitrogen-doped single-walled carbon nanohorns (N-SWCNHs) can serve as an effective carrier for platinum (Pt) catalysts, which has the potential to improve the electrocatalytic activity of oxygen reduction reaction (ORR) and the operation life of the catalyst. In this work, dahlia-like SWCNHs with N contents ranging from 2.1at% to 4.3at% are controllably synthesized via arc discharge and applied as a carrier of Pt nanoparticles (NPs), denoted as Pt/N-SWCNHs. Pt/N-SWCNHs-2:1 (graphite and melamine with the mass ratio of 2:1) exhibits excellent electrocatalytic activity (onset potential = 0.95 V). The half-wave potential of Pt/N-SWCNHs-2:1 is only reduced by 2 mV after 3000 cyclic voltammetry cycles. This can be attributed to the enhanced dispersion of Pt NPs and the strong electronic interaction between the N-SWCNHs and Pt, facilitated by the optimal nitrogen doping level. The results of this work offer important perspectives on the design and enhancement of Pt-based electrocatalysts for ORR applications, highlighting the critical role of the nitrogen doping level in balancing the electrocatalytic activity and long-term stability.
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Food and Bioprocess Technology
·
2025
·
IF 5.8
Liu Chang,Luo Linjie,Lu Xueying,Li Xu,Liu Zhiming
This study presents the development of a novel multifunctional smart packaging film designed to enhance food freshness and possess ammonia-sensing capabilities. The film was fabricated using hydroxypropyl methylcellulose (HPMC) and zinc alginate (ZA), incorporating dragon fruit peel anthocyanins (DE) as pH-sensitive dyes. A hydrophobic layer composed of stearic acid and nano-silica (0.2 g SiO 2 in 1.5 mL solution) was uniformly spin-coated onto the HPMC/ZA/DE film surface and further modified via chemical vapor treatment to improve water resistance. The resulting HPMC/ZA/DE/SiO 2 film demonstrated excellent physical properties, including a high-water contact angle of 116.9°, indicating strong hydrophobicity and effective UV shielding. The film exhibited significant antibacterial activity, achieving 99.99% inhibition rates against Escherichia coli and Staphylococcus aureus . Mechanical tests showed better tensile strength (33.3 MPa) and reduced water vapor permeability (0.33 × 10⁻ 11 g/m·s·Pa) compared to the unmodified control film. In practical application, pork samples wrapped with the smart film were stored at 4 °C for 6 days. A distinct color change from purple to green was observed by day 6, corresponding to elevated pH and TVB-N levels, indicating spoilage. Specifically, on day 9, the packaged pork exhibited a TVB-N value of 49.57 mg/100 g, while the control group reached 51.4 mg/100 g, confirming the film’s spoilage-inhibiting effect. This work offers a promising strategy for developing intelligent active packaging and demonstrates potential for preserving a wide range of perishable foods beyond pork.
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Probiotics and Antimicrobial Proteins
·
2025
·
IF 4.4
Niu Lingdi,Li Hai,Guo Junjie,Jia Zheng,Chang Qingru,Liu Ning,Zhang Shuhe,Ge Junwei
The gut microbiota plays a complex role in immune system maturation and function. The induction of memory in innate immune cells appears to be part of a co-adaptation between the host and microbiome. As important gut commensals, certain Lactobacillus have been shown to induce innate immune memory. However, the universality, phenotypic characteristics, mechanisms of Lactobacillus -induced innate immune memory, and its potential applications in vaccine immunology remain poorly understood. Here, we discovered that specific strains of the gut commensal Lactobacillus can induce innate immune memory, resulting in a more balanced trained immunity phenotype through SOCS activation. Upon secondary stimulation, macrophages exhibited increased expression of IL-6 , IL-1β , IL-10 , IL-12 , IFN-β , and TGF-β . Peptidoglycan and components in the secretome sensitive to pancreatic enzymes were identified as key elements in inducing trained immunity. Furthermore, mice that underwent training demonstrated rapid resistance to S. aureus infection. Additionally, Lactobacillus -induced trained immunity significantly enhanced the protective efficacy of vaccines against MRSA. Our findings demonstrate that certain Lactobacillus strains can activate non-classical trained immunity, offering potential for enhancing vaccine efficacy. Our study provides new insights into the role of some gut commensals in immune modulation and suggests a novel approach to vaccine enhancement through trained immunity induced by specific gut commensals.
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Nano-Micro Letters
·
2023
·Vol. 16
·期 1
·1-12
·
IF 26.6
Fan Wei,Wang Qi,Rong Kai,Shi Yang,Peng Wanxi,Li Handong,Guo Zhanhu,Xu Ben Bin,Hou Hua,Algadi Hassan,Ge Shengbo
An ultralight and flexible supercapacitor is developed by an effective 3D fabrication method that uses MXene to fabricate waste denim felt through needling and carbonization.
The electrodes have a maximum specific capacitance of 1748.5 mF cm −2 and demonstrate remarkable cycling stability with more than 94% after 15,000 galvanostatic charge/discharge cycles
The loaded more MXene onto Z -directional fiber bundles results in enhanced specific capacitance, energy density and power density of supercapacitors.
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Molecular Horticulture
·
2025
·Vol. 5
·期 1
·1-22
·
IF 8.1
Wang Zhiling,Yuan Yixin,Dong Rui,Zeng Ruihong,Zhao Xin,Xu Yanjie,Gao Junping,Hong Bo,Gu Zhaoyu
Floral fragrance is essential for the attraction of pollinators and responses to biotic and abiotic stresses. It also enhances the quality and economic value of plants. Phytohormones, acting as key signaling molecules, are crucial roles in regulating plant growth and development. However, the molecular mechanisms underlying the biosynthesis of fragrance-related volatiles and their crosstalk with other endogenous signals within plants remain largely unknown. Here, we identified a sesquiterpene synthase gene, CmEβFS , in chrysanthemum, which encodes a catalytic enzyme responsible for synthesizing the key fragrance-related compound ( E )-β-farnesene. We demonstrated that CmEβFS is negatively regulated by CmWRKY1, thereby inhibiting ( E )-β-farnesene biosynthesis. Furthermore, CmWRKY1 interacts with the salicylic acid (SA) receptor CmNPR3 to regulate SA-mediated CmEβFS transcription. Our findings reveal that SA regulates ( E )-β-farnesene biosynthesis by controlling CmEβFS expression via the CmWRKY1-CmNPR3 module during floral development. These findings enhanced our understanding of the mechanisms underlying SA-mediated regulation of volatile organic compounds (VOCs) biosynthesis and provided insights into improving floral fragrance.
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Nature Energy
·
2022
·Vol. 7
·期 4
·329-339
·
IF 67.439
Liu Xin,Xie Na,Xue Jiandang,Li Mengyuan,Zheng Chenyang,Zhang Junfeng,Qin Yanzhou,Yin Yan,Dekel Dario R.,Guiver Michael D.
Through-plane (TP) conducting pathways in anion-exchange membranes (AEMs) are desirable for AEM fuel cells as they serve as short and efficient routes for hydroxide ion transport between electrodes, improving power output. Electric and magnetic fields have previously been used to create TP-oriented structures in AEMs, but with modest performance gains. Here we use paramagnetic ferrocenium polymers to prepare TP-oriented AEMs under a magnetic field. The magnetic field induces a mixed-valence state, which effectuates higher anion dissociation and enhanced alkali/redox stability. Our AEMs display a promising TP hydroxide conductivity of ~160 mS cm −1 at 95 °C in water, and no appreciable hydroxide conductivity loss over 4,320 h at 95 °C in alkali. The assembled fuel cells achieve a power output of 737 mW cm −2 at 80 °C and 80% relative humidity, and a durability of 3.9% voltage loss and 2.2% high-frequency resistance increase over 500 h at 500 mA cm −2 , 120 °C and 40% relative humidity.
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危险品化学品经营许可证（带存储）