Plasmonics
·
2026
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IF 4.3
Xu Yanpei,Hao Haixing,Wang Qi
This work presents a high-sensitivity surface plasmon resonance (SPR) temperature sensor based on a BK7 prism coated with silver film and NiO nanoflowers. NiO nanoflowers were synthesized via hydrothermal method and deposited onto the Ag film using a drop-casting technique (3 cycles optimized). The resulting BK7/Ag/NiO nanoflowers structure significantly enhances refractive index (RI) sensitivity. Finite element method (FEM) simulations and experimental measurements confirmed the sensor's performance. The Ag/NiO nanoflowers sensor achieved a remarkable RI sensitivity of 4138.34 nm/RIU, representing a 63.83% improvement over a bare Ag film sensor. Leveraging this enhanced sensitivity and the strong thermo-optic coefficient of silicone oil, a temperature sensor (BK7/Ag/NiO nanoflowers /silicone oil) was developed. It exhibited an excellent temperature sensitivity of -1.61 nm/°C over the range of 25 °C to 75 °C, with a low detection limit of 0.075 °C. The sensor also demonstrated good repeatability and stability, making it a promising candidate for highly sensitive temperature sensing applications.
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Coatings
·
2026
·Vol. 16
·期 1
·135
·
IF 2.8
Chanxi Yan,Gaoping Liu,Qing Zhu,Yashi Zhou,Yuan Yuan
Ice accumulation on power transmission lines poses serious threats to operational safety and can lead to substantial social and economic impacts. While various anti-icing coatings have been investigated, their performance is often limited by the effectiveness and durability of anti-icing. Slippery lubricant-infused porous surfaces (SLIPSs) have shown remarkable anti-icing properties and durability, aided by their lubricant-infused and self-healing capability. In this study, SLIPSs were successfully fabricated on aluminum substrates using a two-step anodization process. The effects of the anodizing parameter of the current density on pore diameter and depth at each stage were systematically investigated. Compared to untreated aluminum and superhydrophobic coatings (SHCs), SLIPSs presented good anti-icing properties. First, at −6 °C, droplets slid off the surface completely within 4340.5 ms without pinning, indicating sustained droplet-shedding capability. It also significantly delayed ice formation, extending the freezing time to 80 min—eight times longer than that of the untreated surface. Moreover, the SLIPSs also exhibited ultra-low ice adhesion, with an initial strength of only 6.93 kPa. Meanwhile, after 100 frosting–defrosting cycles, SLIPSs could still maintain low ice adhesion strength (<20 kPa). The prepared SLIPS with a Y-shaped pore structure demonstrates good potential for anti-icing.
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Surfaces and Interfaces
·
2026
·
IF 6.3
Huiying Xiang,Jing Zhao,Qian Wang,Shengfang Li,Yi Liao,Xiao Zhu,Yuan Yuan
Slippery lubricant-infused porous surfaces (SLIPS) have shown considerable promise for durable anti-icing applications, particularly when using high-viscosity lubricants. Nevertheless, high-viscosity lubricants tend to accelerate the propagation of fine frost crystals across the SLIPS. Herein, a chemical modification strategy for high-viscosity silicone oil-specifically by incorporating 2 wt% silane-is proposed to enhance its frost resistance. The anti-frosting performance and durability of SLIPS fabricated with the modified silicone oil were systematically evaluated, with comparative analyses performed against SLIPS infused with unmodified lubricants of different viscosities and alternative lubricant types. Results indicate that the lubricant modification retains the excellent liquid-repellent and anti-icing capabilities inherent to SLIPS. More notably, the modified SLIPS demonstrates remarkable anti-frosting performance, outperforming counterparts infused with low-viscosity lubricants—almost no icing was observed after 1.5 h under low-temperature and high-humidity conditions. The modified silicone oil is covered with a large number of non-polar long-chain alkyl groups, which reduces the intermolecular interactions between the slippery surface and water. Furthermore, the modified SLIPS inherit the superior durability of high-viscosity lubricants, exhibiting an ice adhesion strength of merely 12.4 kPa even after 20 icing/deicing cycles. Additionally, the modified silicone oil endows SLIPS with better anti-frosting performance and durability compared to other lubricant types. This study provides valuable theoretical guidance for lubricant selection in the development of high-performance anti-icing SLIPS.
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Microsystems & Nanoengineering
·
2026
·Vol. 12
·期 1
·38
·
IF 9.9
Yuan Zichao,Chu Jiahui,Lu Chenguang,Wang Xu,Li Wenzong,Zhang Lemin,Liu Yahua
Controllable droplet manipulation is essential for applications from biochemical analysis to soft robotics. Despite significant advances, existing methods struggle to achieve broadly tunable, asynchronous control of multiple droplets, limiting their efficiency in three-dimensional and dynamic environments. Here, we introduce a droplet ultrasonic tweezer (DUT), which leverages broadly tunable acoustic control to enable three-dimensional multi-droplet manipulation and enhance condensing surface renewal. The DUT generates a twin-trap acoustic field from a single phased-array focal point, allowing droplet coalescence and confinement at five specific trapping positions. Leveraging this capability, we demonstrate synchronous directional transport of three droplets and asynchronous control of their relative positions. Moreover, the DUT’s vertically extensible twin trap enables synchronous manipulation of droplets across double-layer surfaces. Beyond transport, programmable spatial modulation of the acoustic field enhances microdroplet coalescence and suppresses merged-droplet detachment, increasing the droplet detachment size and expanding the swept area for more effective surface renewal. Our results establish a robust paradigm for applications in optical surface self-cleaning, condensation heat transfer, and atmospheric water harvesting, offering a scalable solution for precise droplet control.
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PubMed
高影响因子
ANALYTICAL CHEMISTRY
·
2026
·
IF 6.7
Ling Yan,Jiacheng Fang,Huimin Zhang,Yali Lin,Dan Li,Yingyan Zhou,Lin Zhu,Zhi Zhu,Pengyuan Yang,Zongwei Cai
Mass spectrometry (MS)-based single- and trace-cell proteomics provides critical insights into cellular phenotypes, but widespread use is limited by the cost and complexity of advanced MS systems. We present a cost-effective, accessible workflow compatible with standard MS platforms and scalable for multiomics. The temperature-responsive agarose-based digital microfluidics (TRA-DMF) platform enables one-step sample processing, including lysis, reduction/alkylation, and digestion, in a parallel four-channel format. Unlike conventional droplet-based microfluidics or fluorescence-activated cell sorting (FACS) approaches, our DMF system ensures real-time visualization and confirmation of single-cell capture and 98.3% sample recovery, minimizing losses through nonpipetting transfer. The TRA-DMF system also overcomes the MS-incompatibility of oil-phase microfluidics, allowing high-efficiency droplet transfer to MS vials. The entire TRA-DMF for single cell proteomics (TRA-DMF-SCP) workflow is completed in ∼3 h (including single-cell capture), with seamless sample introduction into standard LC-MS/MS systems. Using a regular benchtop MS instrument Orbitrap Fusion, we identified over 4000 protein groups (PGs) from 50 293T cells with excellent reproducibility and robustness. This system offers a practical and scalable solution for trace- and single-cell proteomics and holds strong potential for integration into routine multiomics workflows.
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Nano-Micro Letters
·
2026
·Vol. 18
·期 1
·115
·
IF 36.3
Liu Junlin,Tan Shujuan,Yang Xinrui,Zhu Jiajie,Yan Xin,Chen Tianyu,Ji Guangbin
A multi-scale cross-band military lightweight camouflage system is constructed via elaborate hierarchical structure design.
This system can achieve rich color presentation to meet the visible camouflage requirements in different backgrounds.
This system can simultaneously achieve an infrared emissivity modulation of Δε > 0.5, achieving excellent dynamic infrared stealth.
This system characterized by its light weight can also achieve efficient electromagnetic interference shielding and excellent electrothermal conversion.
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ANNALS OF BIOMEDICAL ENGINEERING
·
2026
·
IF 5.4
Li Lingyan,Kang Wei,Wang Lizhen,Fan Yubo
Purpose Physical liver models are essential for surgical training and biomechanical research, offering standardized, reproducible, and ethically compliant experimental platforms. However, accurately replicating the nonlinear mechanical behavior of real liver tissue remains a challenge for existing simulant materials. Methods This study proposed a design strategy for particle-reinforced hyperelastic composites based on an improved Mori–Tanaka method. An incremental constitutive model under finite deformation was established to theoretically predict the nonlinear stress–strain response of the composite material. Using Ecoflex silicone as the matrix and Dragon Skin microspheres as the reinforcing phase, composites with volume fractions ranging from 10 to 30% were fabricated and subjected to quasi-static uniaxial compression tests to validate the model. By leveraging stress–strain data from both bovine and human livers, inverse optimization was employed to determine the optimal material formulations that match the mechanical behavior of liver tissues. Results The mean relative errors between the model predictions and experimental results were 16.11, 16.98, and 10.86% for volume fractions of 10, 20, and 30%, respectively, validating the accuracy of the theoretical model. The composites with an EF10-30% matrix and a reinforcement volume fraction of 16.14%, as well as those with an EF10-50% matrix and volume fraction of 19.37%, closely matched the mechanical properties of bovine and human liver tissue, respectively. Conclusion This study establishes the quantitative framework for designing particle-reinforced liver simulant material, integrating micromechanical modeling. The methodology achieves precise matching of nonlinear tissue mechanics and provides systematic guidelines for developing high-fidelity simulants for surgical training and biomechanical applications.
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CARBOHYDRATE POLYMERS
·
2026
·
IF 13.2
Pengfei Wang,Linghua Xu,Lianjie Zhao,Xuefei Cao,Shaoni Sun
Severe environmental risks from oil extraction leaks and solvent-containing wastewater have created an urgent need for efficient oil-water separation materials. Cellulose nanofibril (CNF) aerogels are regarded as promising candidates for oil-water separation owing to their low weight, high porosity, and excellent adsorption capabilities. However, the limited surface functionality of CNF restricts their development in functional aerogel materials. Herein, three types of surface-quaternized CNF (CCNF-Q 16 , CCNF-Im 8 , and CCNF-BnMe 2 ) were synthesized via surface chloroacetylation, followed by quaternization with different tertiary amines. Antibacterial results showed that all the prepared quaternized CNFs possessed excellent antibacterial activity, and the antibacterial rate of CCNF-Q 16 achieved 100% against both Escherichia coli and Staphylococcus aureus . CCNF-Q 16 was cooperated with sodium alginate to fabricate an aerogel, which was further hydrophobically modified using methyltrimethoxysilane. The aerogel exhibited low density (0.027 g cm −3 ), high mechanical strength (138.2 kPa), and excellent adsorption capacity for oils (up to 48.1 g g −1 ). Moreover, it had long-term antibacterial activity and retained an antibacterial rate of 94.3% even after 15 consecutive oil-water separation cycles. This work provides a new strategy for synthesizing surface-quaternized CNFs and highlights the potential of the modified CNFs as sustainable and reusable antibacterial aerogel materials for oil-water separation and environmental remediation.
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PROGRESS IN ORGANIC COATINGS
·
2026
·
IF 7.9
Jiannan Cheng,Jiyun Tang,Zongkui Li,Xiaowei An,Qi Li,Liwei Liu,Chunyang Wei
Ice accumulation can cause tremendous economic losses and lead to severe safety problems. To mitigate negative impact of icing, both active de-icing and passive anti-icing materials have been designed and fabricated. Traditional active electro-thermal de-icing methods suffer from high energy consumption and low efficiency, while passive hydrophobic anti-icing surfaces meet the challenges of robustness during practical application due to outdoor abrasion and UV radiation. Herein, we developed the composite coatings which integrate fluorinated hydrophobic polyurea coating and electro-thermal carbon nanotubes (CNTs) film to achieve the effect of both passive anti-icing and active de-icing. Based on the strategy, the fluorinated polyurea coating modified with polydimethylsiloxane (PDMS) and silicone oil exhibited the lowest ice adhesion strength of 32.8 kPa at −20 °C via the synergistic effects of low surface energy and interfacial slippage, compared with 83.0 kPa for unmodified polyurea coating. The prepared hydrophobic coating exhibited excellent robustness property by adopting the combination of soft and hard molecular segments. Even after 1500 abrasion cycles, 288 h UV radiation, 288 h salt spray corrosion or 7 days outdoor experiment, the ice adhesion strength of fluorinated polyurea coating maintained ∼38 kPa, demonstrating excellent durability for outdoor applications. The composite coating combined fluorinated polyurea coating and CNTs film also displayed highly efficient active de-icing performance. Under the same voltage, the ice cubes attached to the fluorinated polyurea coating surface dropped after heating 730 s at −20 °C, whereas no detachment occurred for unmodified polyurea coating even after heating 3600 s. These findings demonstrate that hydrophobic composite coating can provide an efficient and durable anti-/de-icing solution with promising applicability in practical applications.
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APPLIED SURFACE SCIENCE
·
2026
·
IF 6.6
Rui Hu,Chenghao Yu,Xian Luo
Ice accretion poses a severe threat to transportation, power transmission, and aerospace industries under low-temperature and high-humidity conditions. Although superhydrophobic surfaces can delay ice formation, their micro/nanostructures tend to induce heterogeneous nucleation and easily lose anti-icing ability under extreme conditions. Slippery liquid-infused porous surfaces (SLIPS) significantly reduce ice adhesion and suppress heterogeneous nucleation by introducing a lubricating layer, demonstrating superior anti-/de-icing potential. However, conventional SLIPS suffer from lubricant depletion and insufficient oil-locking capacity, and single-function SLIPS cannot meet the demand of intelligent anti-icing. Herein, we report a novel photothermal SLIPS (FZPC/SiO 2 -SO) with unique in-situ ZIF-67 growth on carbon fibers (CF) via polydopamine (PDA) assistance and fluorosilane coordination grafting, which constructs hierarchical porous architecture with dual oil-storage reservoirs for synergistic anti-icing and de-icing. The wettability, oil-storage capacity, passive anti-icing and active de-icing performances were systematically investigated. Results reveal that the coating achieves optimal comprehensive performance at a FZPC:SiO 2 mass ratio of 1:1 with 60 wt% SO infusion, exhibiting an ultralow ice adhesion strength of 15.8 kPa, prolonged freezing delay of 593 s, and maintained low ice adhesion (≤24.4 kPa) after 30 de-icing cycles, showing superior oil retention and durability compared with traditional CF-based SLIPS. Photothermal tests demonstrate rapid surface heating to 67 °C within 2 min under 1 sun irradiation, enabling prompt ice melting (within 48 s). This in-situ MOF-modified photothermal SLIPS breaks through the bottlenecks of lubricant loss and single function in conventional SLIPS, providing a novel strategy for developing highly stable and multifunctional integrated lubricant anti-icing coatings.
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ACS Applied Materials & Interfaces
·
2026
·
IF 7.8
Wang Haipeng,Zhou Qijie,Wang Shangsheng,Li Zhenlin,Zhou Qingjun,Li Shaomin,Duan Wu,Ren Zhongjing,Wang Ziran,Guan Yingchun,Yan Peng
Superhydrophobic surfaces have attracted extensive attention due to their unique nonwettability and good anti-icing/deicing potential but often experience significant performance degradation due to poor mechanical robustness and low humidity tolerance. Here, we developed a composite architecture (M-PNPs-T) by integrating a honeycomb-inspired thin-walled metallic frame into a polydimethylsiloxane (PDMS)-based matrix with the photothermal superhydrophobic (PNPs-T) surface, where the superhydrophobic property was achieved through laser-fabricating hierarchical micro/nanostructures on PNPs-T and the metallic frame acted as an ‘armor’ to protect the superhydrophobic PNPs-T surface from potential damage. This design allowed the PNPs-T surface to remain superhydrophobicity even after the M-PNPs-T surface underwent mechanical abrasion against a 600 grit SiC sandpaper for 1100 m at a pressure of 2.65 kPa. The composite M-PNPs-T surface exhibited good self-defrosting and self-deicing performance under both large temperature-difference (–14 ± 0.5 to 26 ± 0.5 ° C) and low-temperature (–14 ± 0.5 ° C) conditions. Particularly, the frost layer and the ice droplets formed on the M-PNPs-T surface completely melted after light irradiation for merely 60 and 186 s, respectively. The melted droplets easily slid off the M-PNPs-T surface under gravity with the help of lubrication and guidance provided by a thin water layer on the metallic frame surface. Moreover, the superior photothermal conversion performance of PNPs-T enabled the M-PNPs-T surface to maintain a high temperature (>22 ° C) so as to exhibit good anti-icing/frosting properties under a low-temperature environment. Our design strategy provides an effective and facile route to prepare photothermal superhydrophobic surfaces with robust stability for potential deicing/defrosting applications.
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CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Chen Tan,Ziqing Liang,Tingting Xiao,Gary Histand,Dongen Lin
Latent curing agents are crucial in one-component epoxy resin formulations; however, the variety of liquid-state ionic liquid latent curing agents remains limited. In this study, a series of novel liquid imidazolium-carboxylate ionic liquids (ICILs) based on 1-methylimidazole (MIM) were developed. These ICILs exhibited excellent miscibility and storage stability with epoxy resin (E-51). At an optimal mass ratio of 5:100, one of the ICILs with CF 3 COO − efficiently cured the epoxy resin at 154 °C and demonstrated a workable pot life that exceeded 27 days. The curing mechanism study by nuclear magnetic resonance (NMR) indicates that the ICILs' anion attacks the epoxy group to initiate ring-opening polymerization. Compared to the MIM/E-51 thermosetting system, the ICILs/E-51 system yields thermosets with superior mechanical property while maintains excellent thermal stability and hydrophobic property. The synthesized ICILs not only serve as potent latent curing agents but also provide valuable insights for the design of next-generation latent curing agents.
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危险品化学品经营许可证（带存储）