Journal of Environmental Chemical Engineering
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2026
·Vol. 14
·期 2
·121811
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IF 7.5
Xiuchan Xiao,Jun Wang,Huamei He,Zhicheng Feng,Chaoran Duan,Jungang Yuan,Ya Liu
The high treatment costs and substantial energy consumption associated with high-salinity fracturing flowback fluids remain critical bottlenecks restricting the development of shale gas. This study constructed a functionalized layered oil-water hydrogel solar interfacial evaporator (FG-SWE), aiming to achieve low energy consumption and zero emission treatment of high-salinity fracturing flowback fluids. The evaporator was synthesized via one-pot polymerization and consists of three functional layers (top: MXene, middle: 12-hydroxystearic acid (HSA)-based, bottom: porous), each responsible for light absorption, thermal management, and water transport, respectively. Results showed that under one sun irradiation, FG-SWE demonstrated an evaporation rate of 2.80 kg m −2 h −1 and a photothermal conversion efficiency over 95 % in 10 wt% standard saline waters, with the hydrophobic area ratio of the evaporation interface set at 30 %. Furthermore, the phase-change heat storage layer has a melting enthalpy of 125.8 kJ kg −1 , enabling continuous nighttime evaporation with a daily water production of 17 kg·m −2 . Furthermore, the FG-SWE effectively treated high-salinity flowback fluid, reducing total dissolved solids content (TDS) from 8 × 10 4 mg L −1 to < 125 mg L −1 to meet drinking water standards. The evaporator also demonstrated excellent anti-fouling properties and long-term stability, retaining 90.7 % performance over 30 days of continuous operation. This study provides a promising technology for high-salinity wastewater, thereby supporting the green development of shale gas and enhanced recycling of water resources.
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ACS Applied Materials & Interfaces
·
2026
·
IF 7.8
Jianning Yu,Enfeng Yang,Haitao Deng,Guoliang Liu,Wenxuan Zhao,Xiangdong Yang,Xiugong He,Dezhao Hao,Ye Tian,Lei Jiang
The growth in oil demand has driven technological innovation in enhanced oil recovery (EOR). Chemical flooding, widely adopted for its effectiveness in improving oil recovery, enhances the macroscopic sweep efficiency by altering interfacial properties. However, strong oil–solid adhesion leads to residual oil, posing a key technical challenge. Although low-salinity water flooding can disrupt the hydrated ion bridge structure, its efficacy is limited, and it fails to fully resolve residual oil issues. To tackle this residual oil challenge, we developed traditional Chinese medicine (TCM) composite agents based on polyphenol–silicon complexation with dual EOR functions: in situ oil displacement and long-term oil isolation. Under weak alkaline conditions, the TCM composite agent continuously reacts with silicon, overcoming van der Waals forces between crude oil and silicate, thereby effectively displacing oil in micron-scale grooves. The polyphenol–silicon complexes, along with polyphenol, form a hydrophilic coating with micro/nanostructures via π–π interactions, maintaining superoleophobic and nonadhesive properties against crude oil even after 1 week. Additionally, the TCM agents altered the wettability of shale from oil-wet to water-wet and achieved an 88.24% recovery rate in core flooding tests. This breakthrough offers a solution for crude oil recovery, promoting efficient and environmentally sustainable development in the industry.
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ACS Omega
·
2026
·
IF 5.2
Xinyang Zhang,Yanning Qu,Beibei Lou,Ru Yan,Dongfeng Sun,Yuan Yu
Interfacial photocatalysis has been developed; however, in liquid–liquid heterogeneous systems, photocatalytic efficiency remains limited by stability and mass transfer constraints. To address the challenges, we constructed a Pickering emulsion (PE) system stabilized by Janus-structured amphiphilic TiO2 nanoparticles (J-TiO2) at oil–water interfaces. The hydrophilic and hydrophobic groups on J-TiO2 were, respectively, extended into the water phase and oil phase (n-octanol) to stabilize the heterogeneous system for effective interfacial catalysis. The resulting J-TiO2-stabilized PEs exhibited a long-term stability (>35 days) and an enhanced hydrogen (H2) evolution rate of 185.6 μmol/g/h, with a total H2 production yield of 535 μmol/g, representing a 2.98-fold increase over the single aqueous phase and an 11.9-fold enhancement relative to the pure oil phase. Combining experimental analysis and molecular dynamics (MD) simulations, we demonstrated that the amphiphilic J-TiO2 effectively assembled at the oil–water interface, significantly reducing the interfacial tension and facilitating charge separation for the redox reaction. This work provides a new strategy for designing liquid–liquid heterogeneous photocatalytic PEs systems and modifying their interfacial structures for potential industrial applications.
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ADVANCED MATERIALS
·
2026
·
IF 29.1
Ruotong Zhang,Yiu Leung James Poon,Huanqing Cui,Chang Li,Yang Cao,Christina C. K. Au Yeung,Gillian Season Eveline,Haisong Lin,Ho Cheung Shum
As one of the remote sensing abilities, electrolocation allows organisms to hunt, navigate, and interact with the environment by sensing electric fields. Mimicking this capability in artificial systems will provide a powerful strategy for remote object detection and inspection. However, current artificial approaches are restricted to conductive medium or charged targets, while electrolocation of uncharged targets in the non-conductive medium has not been achieved yet. In this work, an electrostatic interfacial enhancement-based electrolocation system (EIEEs) that fundamentally expands the scope of artificial electrolocation is proposed. Inspired by the electric organs of elasmobranch fish and the mechanosensory setae of insects, EIEEs employs electret materials as the electrostatic source and high-permittivity droplets as mechanosensory structures, locating objects with permittivities different from the medium. The proposed EIEEs can effectively detect uncharged solid/liquid objects without electrical connection, signal processing, or external power supply. Importantly, EIEEs also demonstrates the capability to detect multiple buried defects in objects, including gas in liquids, solid in liquids, liquid in liquids, and gas in solids, which has been largely unexplored in previous electrolocation systems. As a general-purpose remote sensing system for both surface and subsurface inspection, EIEEs can potentially provide a complementary modality for diverse scientific and technological domains.
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ENERGY & FUELS
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2026
·
IF 6
Liang Liu,Jiawen Deng,Lei Tang,Peihua Zeng,Yunrui Jiang,Wei Fan,Ping Chang,Wei Shi
Pickering emulsions stabilized by Janus particles have promising prospects in replacing traditional emulsion flooding. Janus SiO2 particles (JSN-Cn) with different hydrophobic chain (alkyl chain) lengths were prepared and compared in terms of their emulsion stability and enhanced oil recovery (EOR) potential. The emulsion stability of JSN-Cn showed the regularity of JSN-C18 > JSN-C16 > JSN-C14 > JSN-C12 > JSN-C10. The emulsification index (EI) of the emulsion stabilized by JSN-C18 was maintained above 70% under temperature (<90 °C) and pH (4–7) conditions. Salt was conducive to the stability of the emulsion at low concentrations (or valence state) and the strong aggregation of particles at high concentrations (or valence state) led to emulsion instability. The longer hydrophobic chain (JSN-C18) improved the perturbation capacity of particle adsorption at the interface from the perspective of dilational and shear rheology. Pickering emulsion ([JSN-C18] = 0.1 wt %) can alter the contact angle of oil droplets on underwater–oil-wetted rock surfaces from 55° to 107°, achieving wetting reversal. JSN-Cn increased the recovery by 8.62–10.82% compared to initial water flooding. The cumulative recovery increased continuously with the growth of the hydrophobic chain, which was attributed to the stability of the emulsion.
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ENERGY & FUELS
·
2026
·
IF 6
Tianle Li,Liangliang Yan,Jingyi Yu,Yuxiu An
The deployment of amphiphilic nanomaterials in reservoir environments is often hampered by the stability-activity trade-off, where physical desorption leads to structural failure. To overcome this, we developed a covalent core–shell nanohybrid (DNM) by anchoring a sulfonate-rich AM/AMPS copolymer shell onto a rigid KH570-modified silica core via in situ polymerization. This covalent grafting strategy effectively mitigates the shell detachment issues prevalent in physically adsorbed systems. The resulting “rigid-core/flexible-shell” architecture exhibits a salinity-adaptive behavior, achieving optimal dispersion at ∼20,000 mg/L TDS through a balance of electrostatic and Hofmeister effects. While the interfacial tension reduction is moderate (∼0.29 mN/m), the DNM significantly alters rock wettability from oil-wet (119.3°) to water-wet (41.3°) via a structural wedge mechanism. Dynamic core flooding demonstrated a 35% enhancement in oil recovery, driven by the synergistic coupling of the “Log-jamming” effect for mobility control and interfacial stripping for oil mobilization. These findings confirm that covalent hybridization provides a robust molecular solution for mobilizing residual oil in moderate-salinity reservoirs.
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JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
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2026
·
IF 2.6
Zhang Zilong,Liu Na,Chen Qianchi,Xiao Kaidan,Huang Lin,Lu Zhongchen
In this study, SiO 2 -coated flaky carbonyl iron powder (FCIP@SiO 2 ) composites with varying coating ratios were successfully fabricated using an acoustic resonance-assisted modification method. The effects of the SiO 2 coating on electromagnetic properties, microwave absorption performance, thermal stability, and corrosion resistance were systematically investigated. Electromagnetic characterization revealed that the SiO 2 coating effectively regulated the balance between conduction and polarization, optimized impedance matching, and suppressed excessive conductive losses, thereby improving microwave absorption. Notably, with a thickness of 4.0 mm, the FCIP@SiO 2 -5% sample achieved a remarkable minimum reflection loss of − 24.57 dB at 2.08 GHz (S-band), significantly outperforming the pristine FCIP. Regarding thermal stability, thermogravimetric analysis demonstrated that the dense SiO 2 shell significantly enhanced oxidation resistance. The onset oxidation temperature of the FCIP@SiO 2 -5% sample was delayed to 227.80 °C (an increase of ~ 83.5 °C compared to uncoated FCIP), and it exhibited the lowest total mass gain at 900 °C. Electrochemical tests indicated enhanced corrosion resistance, with the corrosion potential positively shifting from − 0.906 V to − 0.818 V. Graphical
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GREEN CHEMISTRY
·
2026
·
IF 10.6
Jiayi Liu,Jiao Wu,Linbo Guan,Zhonghua Wang,Yulong Xiao,Xiaowei Fu,Liang Jiang,Jingxin Lei,Yuan Lei,Yao Xiao
The Fabrication of nano-encapsulated phase-change materials (NePCMs) via one-step methods without the requirement for emulsifiers or organic solvents remains a significant challenge. Herein, an emulsifier- and organic solvent-free one-step method is introduced for the fabrication of NePCMs. For this purpose, lauric acid (LA), which can self-emulsify in water, was used as the PCM core. An oil-soluble component (diphenylmethane diisocyanate-50) and a water-soluble component (carboxymethyl chitosan) reacted at the oil–water interface of the LA emulsion to generate the polymer shell of the NePCM through interfacial polymerization. The resulting NePCM exhibited a unique interpenetrating core–shell structure, with an average particle size of 44.5 nm. The NePCM demonstrated a high encapsulation efficiency of 96.3% and high melting and crystallization enthalpies of 101.7 and 100.5 J g−1, respectively. Additionally, the NePCM showed excellent thermal reliability and good thermal stability. This method therefore represents a green and facile approach for the preparation of functional nanomaterials.
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Journal of Aquatic Food Product Technology
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2026
·
IF 1.2
Hanbing Xiao,Huijuan Wang,Can Zhao,Zhijie Zheng,Xiaoqiang He,Yingting Zhao,Yuting Tian
This study examined the effects of different impregnation methods and solutions on texture of soft-pack (retort) canned abalone. Results showed that room temperature and pressure immersion, with either pure water or sodium alginate, did not significantly affect abalone meat hardness. Ultrasonic immersion caused myofibril rupture, leading to a looser structure. Combining sodium alginate with ultrasonic immersion decreased hardness. Vacuum immersion utilized negative pressure to create larger voids, accelerating sodium alginate absorption and enhancing water retention, achieving tenderization without lipid oxidation. Overall, sodium alginate and vacuum impregnation proved most effective for improving abalone texture.
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Advanced Science
·
2026
·
IF 14.1
Xiaokai Li,Yonghui Zhang,Yongxin Li,Jiahao Zhang,Yuheng Li,Zhengyu Li,Jianwu Wang,Yaochen Lv,Yanan Wang,Jiyu Liu,Xin Liu,Huanxi Zheng
Underwater smart adhesives with switchable adhesion have attracted significant attention for applications in marine engineering and biomedical fields. However, achieving both robust adhesion and rapid on-demand detachment in aquatic environments remains a critical challenge. Inspired by the diving bell spider, we propose a design strategy based on heterogeneous wettability surfaces to achieve switchable adhesion between two surfaces. The heterogeneous wettability surface design confines the oil phase within air cavities formed in superhydrophobic (lipophilic) regions, thereby creating annular oil rings, which establish stable oil/water interfaces that spatially isolate the internal water bridge from the external aquatic environment. The Laplace pressure difference generated at the oil/water interfaces induces robust adhesion between surfaces. In addition, the adhesion strength can be linearly enhanced by constructing multiple, uniformly arranged oil/water interfaces. Rapid on-demand separation can also be achieved through controlled electrolysis of the internal water bridge by applying voltage between the surfaces. Finally, we demonstrate the practical applicability of this adhesive by integrating it into an unmanned underwater vehicle (UUV) for efficient underwater anchoring and ship-hull hitchhiking, highlighting its broad application potential in underwater engineering scenarios.
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Frontiers in Bioengineering and Biotechnology
·
2026
·
IF 5.8
Jinyu Zhong,Shiliang Zhang,Wei Huang,Jie Cheng,Xiaoning Li,Sen Wang,Tong Zhang,Guodong Sui
Introduction: Invasive aspergillosis (IA) is a life-threatening disease in immunocompromised individuals, creating an urgent need for rapid, sensitive, and user-friendly methods for early detection of Aspergillus spores in clinical and environmental samples. Methods: In this study, we developed a rapid ultrasonication-based beads beating (USBB) method for cell lysis and fungal DNA release, along with an integrated magnetic beads-based direct amplification (MBDA) method utilizing microfluidic chip technology. Our flexible thin-film microfluidic chip was developed to enable immediate contacting with an ultrasonic oscillator for nucleic acid extraction. Results and discussion: The chip achieved a lysis efficiency of 85.5% for Aspergillus at 10 5 spores per sample. Magnetic beads releasing Fe ions at 75-860 ng/mL allowed high-efficiency direct PCR amplification. Complete transfer of the nucleic acid extract into PCR amplification led to a 100-fold improvement in detection sensitivity. The integrated USBB-MBDA system completed the entire workflow from sample-in to result-out within 35 min (5 min fungal DNA release and 30 min TaqMan assay). Using this approach, we achieved simultaneous triplex detection of Aspergillus fumigatus, Aspergillus flavus , and Aspergillus niger , with a sensitivity as low as 10 spores per test. Validation on 37 clinical samples showed complete concordance with MALDI-TOF mass spectrometry (MS). This study establishes an integrated nucleic acid extraction and magnetic bead–enabled direct amplification strategy, providing a versatile approach for the development of automated analytical platforms with broad applicability to in vitro diagnostics.
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COMPOSITES COMMUNICATIONS
·
2026
·
IF 8.6
Bao-Yuan Yu,Xiao-Hang Lu,Si-Cheng Zhang,Yang Zhang,Ji Liu
A programmable graphitized carbon network tunes anisotropy without route changes. • Competing graphene and CF networks redirect heat from through-plane to in-plane. • The composite reaches 11.7 W m −1 K −1 and retains 155 J g −1 of melting enthalpy. • Paraffin leakage is suppressed, and the composite lowers LED temperature by 25.6 °C. Phase change composites (PCCs) must combine latent-heat buffering with directional heat transport for advanced thermal management, yet the preferred heat flow direction in anisotropic PCCs is typically imposed by external alignment fields, templates, or processing geometry, making directional redesign dependent on the changes in fabrication conditions. Herein, we design composition-programmable graphitized carbon networks in paraffin wax-based PCCs to tune the preferred heat conduction direction. The conduction networks integrate one-dimensional carbon fiber (CF) backbones with two-dimensional graphene-derived bridges. By regulating the concentration of graphene oxide (GO) and the loading of CFs, the relative dominance of conductive components can be tuned to reconstruct heat transfer pathways without changing the fabrication route. Increasing the GO concentration at a low CF loading can generate a vertically aligned network, and its paraffin wax composite exhibits a through-plane thermal conductivity of 11.7 W m −1 K −1 ; whereas, increasing the CF loading at a high GO concentration can redirect the heat transport toward the in-plane direction, endowing the paraffin wax composite with an in-plane thermal conductivity of 9.3 W m −1 K −1 . Besides, the resultant PCC retains high melting enthalpy, satisfactory shape stability, and cycling durability. As a thermal interface material for high-power LEDs, it can decrease the operating temperature by 25.6 °C and increase the equivalent heat-transfer coefficient by 184%. This work demonstrates the effective tuning of heat transfer pathways in PCCs by compositional regulation of thermally conductive networks.
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