COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2026
·
IF 5.4
Jing Zhao,Jiahao Yang,Jiangpeng Qu,Zijin Cheng,Yujun Liu
To address the issues of insufficient structural stability, poor durability and performance degradation in conventional photothermal anti-icing coatings, a laser etching–electrodeposition synergistic strategy was proposed to fabricate an Al-Myristate@CNTs superhydrophobic photothermal anti-icing coating. First, microporous array structures were constructed on the aluminum substrate surface via laser etching to enhance interfacial mechanical interlocking and provide stable structural support. Subsequently, carbon nanotubes were uniformly incorporated into the micro/nano hierarchical structures through electrochemical deposition, enabling synergistic enhancement of surface wettability, photothermal performance and structural stability. The effects of hydrochloric acid etching conditions, laser scanning speed and carbon nanotubes content on the surface morphology, wettability and multifunctional performance of the coating were systematically investigated. The results demonstrated that the optimized coating exhibited excellent comprehensive performance, with a water contact angle of 157.6° and an abrasion resistance distance of up to 1000 cm, indicating outstanding superhydrophobic stability and mechanical durability. Under 1 sun irradiation, the surface temperature of the coating rapidly increased to 51.6 °C, demonstrating its efficient photothermal conversion capability. Moreover, in a −15 °C environment, the coating achieved an icing delay time of 438 s and reduced the deicing time to 352 s, indicating remarkable anti-icing and photothermal deicing performance. Mechanistic analysis revealed that the incorporation of an appropriate amount of carbon nanotubes facilitated the formation of a uniform and stable hierarchical micro/nanostructure, which enhanced air-pocket stability, solar absorption, and structural integrity, thereby synergistically improving the superhydrophobicity, photothermal performance and long-term durability of the coating. This work provides a novel strategy for the design and fabrication of highly stable multifunctional photothermal anti-icing coatings and offers important guidance for their potential applications in aerospace, energy infrastructure, and transportation systems. Download: Download high-res image (164KB) Download: Download full-size image
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ACS Omega
·
2026
·Vol. 11
·期 32
·47667-47674
·
IF 5.2
Han Lu,Lin Ling,Xu Haiju,Hu Qinjia,Xie Dan
To improve the solubility
and bioavailability of astaxanthin
while
enhancing its processing properties, this study established an eco-friendly,
highly efficient microwave-assisted Z -isomerization
system. We first conducted a systematic screening of various menthol-based
deep eutectic solvents (DESs) to identify the most effective medium
for this conversion. Following the selection of the optimal DES, we
investigated the catalytic effect of three representative natural
sulfur-containing compounds─methyl isothiocyanate (MITC), hexyl
isothiocyanate, and dimethyltrisulfide─under microwave irradiation.
Furthermore, we systematically evaluated the influence of other key
process parameters, including heating method, catalyst dosage, astaxanthin
mass concentration, microwave power, temperature, and duration, through
single-factor experiments. The results demonstrated that the menthol-acetic
acid-based DES provided the most effective reaction environment, and
MITC exhibited the highest catalytic efficacy, achieving a peak total Z -isomer proportion of 36.2% at 60 mg/mL, compared to a
baseline of 6.82% in the catalyst-free control group. Mechanistic
analysis suggests that the electrophilicity of isothiocyanates and
the steric effects of their side chains play critical roles in the
isomerization process. These findings demonstrate that this green
processing system can serve as an efficient and sustainable approach
for the production of Z -isomer-enriched astaxanthin.
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COMPOSITE INTERFACES
·
2026
·
IF 2.4
Shuyi Liu,Mengru Zhang,Jinshuang Guan,Ziyue Wang,Hongyan Liu,Guoliang Mao
Wax deposition constitutes a severe flow assurance challenge in the petroleum industry. Hydrophilic coatings show great potential for wax inhibition based on the water film theory. Herein, we report a novel silica-modified fly ash/aluminum dihydrogen phosphate (FA@SiO2/ADP) hydrophilic coating with hybrid micro/nano-architectures. The introduced hierarchical structures induce strong capillary action toward water, while abundant surface hydroxyl groups and phosphate networks facilitate the formation of a stable and continuous water film via hydrogen bonding and covalent P–O–Si cross-linking. This results in outstanding underwater oleophobicity and wax inhibition efficiency of 51.2%. Furthermore, the coating exhibits significantly enhanced interfacial strength and mechanical robustness due to the inorganic ADP binder and the formation of network structure. This work not only provides a practical and cost-effective antiwax coating with promising industrial applicability but also offers deeper mechanistic insights into the design of durable hydrophilic surfaces for harsh operational environments.
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APPLIED THERMAL ENGINEERING
·
2026
·
IF 7.5
Lushi Sun,Jiaxing Du,Yifei Leng,Gan Wan,Lei Bei,Chuanwei Li,Linlin Xu,Li Lin
Phase change materials present a promising solution for efficient thermal energy storage. This study systematically optimized the synthesis parameters for preparing SiO 2 -encapsulated myristic-stearic acid eutectic mixture via the sol-gel method. Through comprehensive investigation of key factors, optimal conditions were identified to produce microencapsulated phase change materials with spherical morphology, smooth surfaces, and superior thermal properties. The microencapsulated phase change materials prepared under optimal conditions exhibited melting and freezing temperatures of 48.40 °C and 46.53 °C, respectively, and latent heats of 133.74 J/g and 123.24 J/g. The encapsulation efficiency and energy storage efficiency reached 74.05% and 71.32%, respectively. Thermal and cycling tests demonstrated excellent leak resistance and thermal stability of this material. Furthermore, microencapsulation significantly improved the thermal conductivity, which was further enhanced by modifying the SiO 2 shell with graphene oxide. The simulation results of battery thermal management validated the practical application value of this material. This work elucidated the synthesis–property relationship for this class of materials, highlighting their potential value in thermal regulation and low-to-medium temperature energy storage.
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Foods
·
2026
·Vol. 15
·期 5
·
IF 6
Qianhan Ma,Ziyan Zang,Shuling Yan,Bo Han,Siyuan Liu,Xiaoyu Wang,Yao Hu,Hao Xu,Pengjie Wang,Jiayue Guo
The development of thermally stable Type 5 resistant starch (RS5) is critical for functional food applications to modulate glycemic responses. This study investigated the structural assembly and enzymatic resistance of RS5 complexes prepared from high-amylose maize starch (HAMS) via a sequential strategy coupling pullulanase debranching with heat–moisture treatment (HMT). HAMS was debranched for varying durations (0–24 h) to generate short, linear glucan chains, subsequently complexed with myristic acid (MA) or linoleic acid (LOA), and further modified by pressure–heat treatment (PHT) or annealing (ANN). Extended debranching (24 h) significantly enhanced the complexing index and resistant starch (RS) content. While saturated MA promoted higher crystallinity of the hexagonal Bravais lattice, unsaturated LOA effectively enhanced resistance through steric hindrance despite lower crystallinity. Notably, PHT generally outperformed ANN, with the highest RS content (69.2%) achieved in DH24-LOA complexes treated at 120 °C with 10% moisture. Multi-scale structural analyses revealed that resistance originated from the transition of amorphous chains into highly ordered, thermally stable nanocrystals possessing a hexagonal Bravais lattice and the densification of the macroscopic architecture. These findings demonstrate that coupling pullulanase debranching with optimized PHT is a potent strategy to engineer high-performance RS5 ingredients with superior digestive resistance.
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VIEW
·
2026
·
IF 8.1
Yihui Zhou,Xiangjie Huang,Xingxin Liu,Ling Zhang,Jie Huang,Jing Zhao,Yongqing Zhang,Jin Zhang,Yanqing Gong,Delong Zhang,Hyeon Jeong Lee
Lipid spatial heterogeneity is essential for linking metabolic regulation to cellular behavior. Yet, subcellular lipid profiling remains a challenge, as exogenous labels cannot detect lipid speciation and species diversity. Here, we developed submicron-resolution mapping of intracellular lipid elements (SMILE), a vibrational spectrometry platform based on hyperspectral stimulated Raman scattering imaging with a spectral analysis pipeline for pixel-resolved lipid profiling. SMILE enables quantitative mapping of lipid chain length and unsaturation at 300 nm resolution without the need for lipid extraction or labeling. Using SMILE, we revealed the spatial heterogeneity of lipid species and identified a distinct subset of highly aggregated lipid droplets (LDs) enriched in long-chain polyunsaturated lipids in invasive cancer cells. Lipid elongation was found to promote LD aggregation and cancer migration/invasion, thereby defining this as a unique spatial lipid-metabolic signature associated with cancer aggressiveness. Mechanistically, we identified linolenic acid as a key mediator driving aggressive lipid signatures and cancer invasion. Collectively, these findings demonstrate SMILE as an enabling spatial-omics platform that expands the chemical resolution of vibrational spectroscopic imaging for fundamental and translational research.
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ACS Catalysis
·
2026
·
IF 13.6
Zhaowei Tian,Lei Wang,Yuan Deng,Luxuan Sun,Shijie Zhou,Zhitong Qian,Xun Zhao,Xin Zhang,Yusen Yang,Min Wei
Single-atom catalysts (SACs) with explicit active sites have shown advantages in heterogeneous catalytic reactions; however, the optimization of their performance in multistep tandem reactions [e.g., hydrodeoxygenation-isomerization (HIS) reaction in biomass conversion] remains a formidable challenge. Herein, we report a metal–acid bifunctional catalyst that is featured with Ni single atoms immobilized into the montmorillonite (MMT) framework via isomorphous substitution, followed by surface acid modification. The optimized 0.4 wt % Ni/MMT-IA catalyst exhibits prominent catalytic performance toward one-pot HIS reaction of palmitic acid with an iso-alkanes yield of 80.3%, which is preponderant to the state-of-the-art catalysts. Furthermore, the obtained catalyst not only displays durability for 30 reaction cycles (240 h, 300 °C), but also demonstrates universality in HIS reactions of 10 bio-oils. By virtue of in situ spectroscopy characterizations and theoretical calculations, we substantiate a two-step consecutive reaction pathway, including *COOH hydrodeoxygenation and *COH hydroisomerization. The single-atom metal–Brønsted acid site (Niδ+-O(H)) serves as the intrinsic active center, which significantly promotes the rate-determining step (β-H scission of the carbonium ion intermediate), resulting in the extraordinarily high yield of iso-alkanes. This work provides a feasible method for the design and preparation of high-performance SACs, which shows prospective applications in biofuel synthesis.
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ACS Sustainable Chemistry & Engineering
·
2026
·
IF 7.6
Yiling Wu,Youting Wang,Jiahao Wu,Bin Chen,Yixin Li,Kok Bing Tan,Yikun Zhou,Jian Tian,Xiaoping Rao,Guowu Zhan
The spatial distribution of framework aluminum (AlF) in ZSM-5 zeolites critically controls catalytic pathways for converting fatty acids to value-added short-chain olefins (C4=-C8=). Here, we synthesize hierarchical-porous BioZ5-PX catalysts using phytic acid (PA)-modified tea seed husk (TSH) biomass templates to strategically position AlF. Interestingly, PA optimization precisely directs aluminum toward channel intersections, enhancing Brønsted acidity and Al-pair proximity. This spatial engineering achieves near-complete deoxygenation (100% conversion) with exceptional 97.4% total olefin selectivity and 92.6% C4=-C8= selectivity, outperforming unmodified analogs by >32%. Mechanistic studies reveal that aluminum enrichment at intersections facilitates a cascade reaction: stearic acid first undergoes decarbonylation to a C17H35OH, followed by dehydration and selective C–C cleavage to C4=-C8= products. Conversely, aluminum confined to straight/sinusoidal channels as isolated sites restricts intermediate diffusion (due to large steric hindrance) and cracking efficiency. This work establishes AlF spatial control as a key design principle for designing high-performance zeolite catalysts for sustainable, high-yield olefin production from biomass.
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MICROCHEMICAL JOURNAL
·
2026
·
IF 5.2
Wanning Li,Xiangjie Kong,Mengting Fu,Yike Han,Shuo Xie,Penghui Li,Liyun Kong
An in situ DES-LLME/HPLC-DAD method was developed for detecting trace quinolones in wastewater. • Quinolones were used as hydrogen bond acceptors for in situ DES formation. • The method showed good linearity with low LODs of 0.094–0.905 μg/L and satisfactory recoveries. • The method was applied to real samples, confirming its potential for antibiotic monitoring. Background Quinolone antibiotics are widely used in human and veterinary medicine due to their broad-spectrum antibacterial activity and cost-effectiveness. However, their environmental persistence and frequent occurrence in aquatic systems have raised concerns regarding potential ecological risks. Accurate risk assessment requires sensitive analytical methods capable of detecting trace levels of quinolones in complex environmental matrices. Traditional preconcentration techniques like solid-phase extraction and liquid-liquid extraction face several limitations including high-cost sorbents, sorbent degradation, memory effects, labor-intensive procedures, large solvent consumption, and the use of toxic organic solvents. Results To address these challenges, we developed a sensitive method for the determination of trace quinolones in water samples by integrating in-situ deep eutectic solvent-based liquid-liquid microextraction with high performance liquid chromatography coupled with a diode array detector. A key innovation of this approach lies in the utilization of the target quinolones as hydrogen bond acceptors during in situ DES formation, enabling direct extraction from aqueous media. Through theoretical screening using the conductor-like screening model for real solvents (COSMO-RS) and subsequent experimental verification, butyl 4-hydroxybenzoate was identified as the optimal hydrogen bond donor. Under the optimized extraction conditions, enrichment factors ranged from 33.43 to 66.50, with corresponding extraction recoveries of 33.43–66.50%. The method demonstrated satisfactory sensitivity, with limits of detection ranging from 0.094 to 0.905 μg/L, good linearity with determination coefficients exceeding 0.99, high accuracy with recoveries of 82.25%–122.08%, and acceptable precision with relative standard deviations below 13.76%. Application to real wastewater samples successfully detected enrofloxacin (20–39 μg/L) and moxifloxacin (20 μg/L), confirming the practical feasibility of the proposed method. Significance This in situ deep eutectic solvent-based liquid-liquid microextraction method offers a rapid, sensitive and efficient approach for monitoring quinolone antibiotics in aquatic environments. Its innovative design not only enables effective determination of quinolones but also holds considerable promise for developing novel in-situ DES enrichment strategies aimed at detecting other emerging environmental pollutants in complex matrices, thereby offering substantial potential for environmental monitoring and risk assessment. Download: Download high-res image (133KB) Download: Download full-size image
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DALTON TRANSACTIONS
·
2025
·
IF 3.3
Yuan Xu,Ya-Tao Hu,Jiaping Cao,Dixin Lin,Qiqi Zhong,Yi Wang,Hongdong Shi,Qianling Zhang
To address the challenges associated with low cellular uptake efficiency of metal-based anticancer agents and the suboptimal therapeutic efficacy of photodynamic therapy (PDT), a series of polypyridyl ruthenium(II) complexes (Ru Cn) with tunable carbon chain lengths were rationally designed and synthesized through the incorporation of fatty acid moieties, which confer enhanced lipid solubility and membrane-targeting capabilities. Among these, the octadecanoic acid-modified ruthenium complex (Ru-C18) exhibited superior anticancer activity. Cytotoxicity assays demonstrated that Ru-C18 displayed sub-molar cytotoxic potency under light irradiation. Co-localization studies confirmed its preferential accumulation in lysosomes after cellular internalization. Upon light activation, Ru-C18 efficiently generated singlet oxygen and induced hallmark features of pyroptosis, including plasma membrane blebbing, cellular swelling, and Gasdermin-dependent membrane pore formation. Consequently, Ru-C18 significantly suppressed tumor cell proliferation via activation of the pyroptotic pathway. These findings offer new insights into the rational design of highly effective and selectively targeted photodynamic anticancer agents.
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PubMed
高影响因子
LWT-FOOD SCIENCE AND TECHNOLOGY
·
2025
·
IF 6.6
Wenchao Liu,Yize Yin,Lijuan Wang,Chung Lim Law,Linlin Li,Weiwei Cao,Xu Duan,Guangyue Ren
This study examined how fatty acids of varying chain lengths influence the microwave freeze-drying (MFD) properties and cross-linking interactions in wheat starch-fatty acid complexes. The study revealed that fatty acids with extended carbon chains decreased the initial water content in wheat starch-fatty acid blends, thereby reducing the drying time. Long-chain complexes maintained a more stable freeze-drying rate with changes in experimental power compared to short-chain ones. When microwave power was raised from 0.5 to 2.5 W/g, the enthalpy shifts (ΔH) in melting peaks for starch-fatty acid complexes varied significantly: butyric acid blends showed a change of 176.71 J/g, octanoic acid 714.06 J/g, and myristic acid 1102.02 J/g. XRD revealed reductions in relative crystallinity by 12.87 %, 19.38 %, and 27.00 %. Raman spectroscopy showed peak width increases at 480 cm −1 of 8.22, 8.49, and 10.43, respectively. The extent to which wheat starch-fatty acid complexes were affected during MFD increased with the chain length of the fatty acids.
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Colloids and Interfaces
·
2025
·Vol. 9
·期 3
·40
·
IF 3.2
Zaichao Dong,Rong Zhang,Jiyan Chen,Chenghao Qu,Xin Wang,Chen Cong,Yang Liu,Lingyun Wang
The limited understanding of intermolecular interactions in deep eutectic solvents (DESs) has restricted their rational design and broader application. In this study, a series of hydrophobic DESs (HDESs) were prepared using lidocaine as the hydrogen bond acceptor and various carboxylic acids as hydrogen bond donors. Their physicochemical properties, including density, viscosity, and thermal stability, were systematically characterized. Interactions between components were evaluated through excess molar volume, viscosity deviation, and Grunberg–Nissan parameters. Strong hydrogen bonding between lidocaine and carboxylic acids was confirmed, which weakened with increasing alkyl chain length of the acids. Furthermore, as the acid content in the mixture increased, lidocaine’s ability to disrupt the intrinsic hydrogen-bonding network of the carboxylic acids decreased, thereby weakening the hydrogen bonding interactions between the components. The extraction capability of the HDESs for cobalt ions was evaluated in aqueous systems. Cobalt, a key material in lithium-ion batteries and advanced alloys, is in rising demand due to clean energy development. The lidocaine/decanoic acid (1:2) system exhibited nearly 100% extraction efficiency, surpassing conventional extractants. The hydrophobic nature of the HDESs facilitated effective phase separation and reduced solvent loss. These findings provide theoretical insights and design principles for developing high performance HDESs tailored for environmentally friendly metal recovery, particularly in battery recycling and treatment of industrial wastewater.
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