CHEMICAL ENGINEERING SCIENCE
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2026
·
IF 5.1
Xuxuan Lu,Xinyu Zhou,Huiyan Wang,Ying Zhang,Dachang Dong,Lijie Xu
Nitrate is always present as the concomitant component during the advanced treatment of refractory organic emerging contaminants. The simultaneous achievement of effective denitrification is an ideal goal for environmentally friendly treatment, especially for those nitrogen-containing compounds. Herein, the performance and mechanisms for simultaneous removal of CBZ and nitrate by UV 254nm /S(IV) process were investigated. Results demonstrated that CBZ and NO 3 – - N could be efficiently removed together, and denitrification was mainly contributed by e aq - , while CBZ degradation was driven by e aq - (55.4%) and •OH (30.4%) collectively. Moreover, the presence of nitrate exerted more significant influences on CBZ degradation than the competition nitrate faced on its own. The removal of CBZ and nitrate both increased with the rise in solution pH and the decrease in their respective initial concentrations. However, the denitrification was accelerated by increasing sulfite concentration while CBZ degradation was obtained at an optimum sulfite concentration. Although nitrate could quench the hydrated electrons to impede CBZ degradation, the •OH radicals produced by nitrate photolysis could compensate partially for the loss. The final product of nitrate was almost completely the nitrogen gas, while both the reduction pathway and oxidation pathway of CBZ degradation were proposed based on DFT calculation and UPLC/MS analysis. The detoxification advantages of CBZ degradation were also revealed from the UV/sulfite process, and the intermediates obtained from reduction reactions generally showed lower toxicity than those from oxidation reactions. This study may provide insights into developing efficient and environmentally friendly advanced methods for the treatment of emerging contaminants.
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Nanomaterials
·
2026
·Vol. 16
·期 15
·904
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IF 4.8
Yu Zhang,Xin Yan,Liqing Huang,Jun Wang,Lin Cheng,Yakun Cai,Huimin Wang,Weili Dong,Lipeng Zhai,You Liu,Jingping Zhu
Plasmonic nanostructures offer a practical solution for solar-to-thermal conversion, yet simultaneously achieving ultra-broadband absorption, scalable fabrication, and long-term stability using earth-abundant aluminum remains difficult. In this work, we present a three-dimensional (3D) crown-like aluminum nanostructure absorber that achieves an experimental average absorption of 92% across the solar spectrum (200–2500 nm), with only 1.9% degradation in average absorption over 24 months. The structure is fabricated via a scalable anodic aluminum oxide (AAO) template-assisted method, enabling large-area production without costly lithography and exhibiting broad fabrication tolerance to deposition-thickness variations. Electromagnetic simulations and structure analysis reveal that the ultra-broadband absorption arises from three synergistic mechanisms: multi-mode electric resonances, magnetic resonance behavior within the metal–dielectric–metal architecture, and a graded-refractive-index profile. Proof-of-concept photothermal experiments under simulated sunlight offer experimental confirmation of the absorber’s solar-to-thermal conversion capability, showing substantially enhanced solar-to-thermal energy utilization compared to pure-water references. This work provides a scalable, durable, and cost-effective platform for ultra-broadband solar absorption and solar-to-thermal conversion, and offers a viable design strategy for plasmonic absorbers based on earth-abundant materials.
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ACS Applied Bio Materials
·
2026
·Vol. 9
·期 15
·6887-6900
·
IF 5.6
Liu Lingfei,Li Ke,Yan Ziyi,Xia Congyan,Yu Hongsi,Wu Ke,Sun Haihang,Yan Lin,Li Bo,Liu Zhongning
Conventional gelatin (Gel) and alginate hydrogels possess excellent biocompatibility. Their high water content and three-dimensional porous structure mimic the extracellular matrix, facilitating nutrient transport and metabolic waste removal. However, their application in bone tissue engineering is hindered by insufficient mechanical strength, rapid degradation, and weak osteogenic activity. In this study, we developed a self-cross-linking hydrogel (GOP hydrogel) reinforced with calcium phosphate oligomers (CPO). The network was formed via a Schiff base reaction between periodate-oxidized sodium alginate (OSA) and gelatin, with small-sized CPO acting as an inorganic cross-linker to enhance intermolecular bonding and strengthen the polymeric network. The composite hydrogel was characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD), and its mechanical properties, degradation behavior, and swelling capacity were evaluated. The GOP hydrogel exhibited excellent biocompatibility, supported cell viability and osteogenic differentiation, and promoted vascularized healing in critical-sized calvarial defects in rats. With the incorporation of CPO, the hydrogels exhibited enhanced mechanical strength, regulated degradation and swelling, and improved mineralization and osteogenic activity. These findings indicate that the GOP hydrogel meets the key requirements for bone tissue engineering scaffolds and holds considerable promise for bone regeneration applications.
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Applied Food Research
·
2026
·Vol. 6
·期 2
·102406
·
IF 5.4
Huaying Wen,Xiaoqing Yin,Chen Zhang,Zhen Da,Yuhong Zhang
Highland barley and Potentilla anserina L. (juema) were used for the first time as substrates for fermentation with Lactiplantibacillus plantarum LL6-1 over a period of 0-9 days. Changes in physicochemical parameters, antioxidant activities and flavour profiles were systematically evaluated. Lactic acid became the predominant organic acid after fermentation, whereas total phenols, free amino acids and reducing sugars peaked on day 1. Flavonoid content and hydroxyl radical scavenging activity increased throughout the process, while SOD activity and DPPH radical scavenging capacity rose initially and then declined. Correlation analysis revealed that 16 of the 17 detected compounds were positively intercorrelated, with acetic acid as the sole exception. Fermentation markedly improved sensory characteristics: bitterness, bitter aftertaste and astringent aftertaste were significantly reduced. Electronic nose analysis clearly discriminated samples from different fermentation stages. A total of 17 new volatile compounds were identified after fermentation, and the total flavour compound content increased 3.2-to 8.2-fold compared with that before fermentation, peaking on day 2. Esters and alcohols became the dominant volatile constituents. Collectively, these findings demonstrate that LL6-1 fermentation effectively eliminates off-odours and substantially enhances the aroma quality of the beverage, indicating that this strain holds considerable promise for the development of novel plant‑based fermented beverages.
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DESALINATION
·
2026
·
IF 9.9
Jiaxin Li,Mengxia Tang,Haopeng Wang,Minrui Huang,Xuenan Feng,Yao Wang,Junxia Yin,Peiyun Wei,Yanfeng Wang,Guandao Gao
Ultrasound-driven polytetrafluoroethylene contact-electro-catalysis reduces Cr(VI) to Cr(III). • PTFE contact-electro-catalysis enables generation of e − , •O 2 − , •OH and H 2 O 2 . • The PTFE contact-electro-catalytic system exhibits strong tolerance toward coexisting ions. • Contact-electro-catalysis decreases the biological toxicity of chromium. Efficient conversion of highly toxic hexavalent chromium (Cr(VI)) into low-toxicity trivalent chromium (Cr(III)) is of critical importance for mitigating environmental risks associated with chromium-containing wastewater. Here, we report an ultrasound-driven contact-electro-catalysis (CEC) process using commercial polytetrafluoroethylene (PTFE) as an efficient catalyst for Cr(VI) reduction. The PTFE CEC system achieved >99% Cr(VI) removal within 30 min under ambient conditions, and bioassays with Microcystis aeruginosa and wheat seedlings confirmed a marked decrease in ecotoxicity. Mechanistic studies revealed that PTFE continuously generated energetic electrons, superoxide radicals, and hydrogen peroxide during ultrasonication, which synergistically mediated the selective conversion of Cr(VI) to Cr(III). The system exhibited high tolerance to coexisting ions and maintained >90% removal efficiency in real water samples and > 95% activity after use in 27 cycles. Unlike conventional approaches, this strategy does not require sacrificial agents, engineered catalysts, or a controlled atmosphere. These findings demonstrate ultrasound-driven PTFE CEC is a green and efficient solution for treatment of Cr(VI)-contaminated wastewater. Download: Download high-res image (87KB) Download: Download full-size image
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Journal of Inorganic and Organometallic Polymers and Materials
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2026
·
IF 6
Yue Yanling,Huang Bingyue,Liu Deyu,Wu Shaoyuan,Hu Jinghan,Ming Shiyi,Guan Xingyu,Zhang Yi,Wang Kui,Huang Weijiang,Yan Wei
Hexagonal boron nitride (h-BN) is inherently hydrophobic and lacks active functional groups on its surface. In this study, we modified h-BN with phytic acid and chitosan to create BN@PA-CS particles. These particles integrated into an aqueous polyurethane (WPU) matrix, along with the DIDOPO flame retardant, to form the WPU/BN@PA-CS/DIDOPO nanocomposite. We investigated the composite’s flame retardancy, thermal stability, rheological properties, and mechanical properties. The results demonstrated that BN@PA-CS and DIDOPO exhibit a significant synergistic effect in both gas and condensed phases for flame retardancy. When the mass fractions of BN@PA-CS and DIDOPO were 2 wt% and 7 wt% relative to WPU matrix, the optimal formulation WPU/BN@PA-CS2/DIDOPO7 achieved a UL-94 V-0 rating and increased the limiting oxygen index (LOI) to 24.2%. Additionally, the peak heat release rate (pHRR) and total heat release (THR) decreased by 49.3% and 66.1%, respectively, compared to pure WPU. Rheological and mechanical measurements indicated that the formulation WPU/BN@PA-CS2/DIDOPO7 exhibited a compatible combination of tensile stiffness, ductile toughness, and melt flow behaviour relative to other composite groups.Therefore, the DIDOPO/BN@PA-CS composite strategy provides experimental observations and mechanistic speculation for developing high-performance flame-retardant polyurethane composites, optimizing synergistic effects at specific ratios to enhance flame retardancy and mechanical properties. Graphical
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JOURNAL OF POWER SOURCES
·
2026
·
IF 8.4
Fangyu Meng,Ziheng Liu,Daxin Shi,Yaoyuan Zhang,Kangcheng Chen,Qin Wu,Hansheng Li
Homogeneous and transparent proton exchange membranes (PEMs) denoted as HBPPQ/PPQ-x are fabricated via in situ combination of hyperbranched polyphenylquinoxaline (HBPPQ) and linear polyphenylquinoxaline (PPQ). The rigid hyperbranched structure generates stable nanocavities, giving HBPPQ/PPQ-50 high fractional free volume (FFV) of 37%. Moderate main-chain basicity provides favorable phosphoric acid (PA) affinity, leading to the PA uptake of 334%. HBPPQ/PPQ-x membranes exhibit pronounced anisotropic swelling and proton conduction behavior. HBPPQ/PPQ-50 delivers the σ ⊥ of 76 mS cm −1 at 180 °C, 3.1 times the in-plane conductivity ( σ // ). It shows an open-circuit voltage of 1.004 V, higher than commercial PBI (0.977 V), and maximum power density of 1122 mW cm −2 , twice that of PBI at 180 °C without back pressure. No obvious voltage decay is observed during 200 h durability test at 160 °C and 0.2 A cm −2 . These results demonstrate that constructing high free volume hyperbranched/linear composite membranes is an effective strategy to simultaneously enhance PA uptake, proton conduction, and HT-PEMFC performance.
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INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
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2026
·
IF 9.2
Rui Fu,Zunteng Pu,Guoxin Han,Yinglun Sun,Zhepeng Liu,Fang Liu,Haiqiu Zhang
Cystine-functionalized MXene (MC)/poly(ether-benzimidazole) (OPBI) composite membranes were developed for high-temperature proton exchange membrane fuel cells (HT-PEMFCs). The functionalization was confirmed by XPS and FTIR. The optimal OPBI/MC-15 membrane exhibited an acid doping level of 27.8 and proton conductivity of 163.7 mS cm −1 at 180 °C under anhydrous conditions, which was 2.8-fold higher than that of pristine OPBI. The disulfide (S–S) moieties served as effective radical scavengers, enabling exceptional oxidative stability for the composite membranes. Specifically, sample OPBI/MC-15 retained approximately 95% of its initial mass after 200 h in Fenton's reagent at 80 °C, representing a dramatic improvement over pristine OPBI. Single-cell tests delivered peak power densities of 592 and 887 mW cm −2 at 140 and 160 °C, respectively, with open-circuit voltages exceeding 0.97 V. This work demonstrates a synergistic strategy combining enhanced proton transport and oxidative stability for advanced HT-PEM applications.
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LANGMUIR
·
2026
·
IF 4.4
Yongkang Yan,Liuyi Ren,Shenxu Bao,Yimin Zhang,Junwei Huang,Xiumin Tan
Dolomite and apatite exhibit very similar surface chemical properties, while conventional fatty acid collectors show limited selectivity between them, making their efficient separation in phosphate rock flotation a persistent challenge. In this study, a mixed collector system (RF-25), composed mainly of sodium oleate (NaOL) and turkey red oil (TRO), was designed to enhance the separation of dolomite from apatite via reverse flotation. Micro-flotation experiments indicated that the optimal separation performance was obtained at pH 5, with an H3PO4 concentration of 8 × 10–4 mol L–1 and a NaOL:TRO ratio of 4:1. Under these conditions, when the collector concentration was 60 mg L–1, the recovery rates of dolomite and apatite differed by 90.09 percentage points. The results of mixed-mineral flotation further demonstrated the effectiveness of RF-25, where P2O5 recovery reached 95.71% while MgO recovery was reduced to 19.79%. Surface characterization analyses provided insight into the improved selectivity mechanism. TOC and contact angle measurements showed that RF-25 preferentially adsorbed onto dolomite, significantly increasing its surface hydrophobicity compared with that of apatite. FTIR and XPS results further confirmed that a more continuous and complete adsorption layer formed on the dolomite surface, whereas only weak adsorption occurred on apatite. Zeta potential measurements were consistent with these findings, indicating a more pronounced surface modification of dolomite after treatment with RF-25. Overall, the mixed collector enhanced the difference in interfacial properties between dolomite and apatite, thereby improving flotation selectivity. This work demonstrated that RF-25 provided an effective strategy for the selective removal of Mg-bearing gangue minerals in phosphate rock flotation.
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Nature Communications
·
2026
·
IF 18.1
Zhao Jingwen,Yang Wujie,Fan Yanpeng,Chang Zhi,Zhou Haoshen
Hard carbon negative electrodes, owing to their abundant precursors and low operating potential, are promising candidates for sodium-ion batteries. However, sluggish desolvation kinetics and unstable electrode–electrolyte interfaces hinder their practical deployment. Here we report a melt-coating strategy to encapsulate hard carbon particles with a metal–organic framework glass. The resulting glass coating contains sub-nanometer channels that lower the desolvation activation energy, accelerate sodium-ion transport, and induce a thin, anion-derived solid electrolyte interphase rich in NaF during cycling. The optimized interface promotes the formation of quasi-metallic sodium clusters within the closed pores of hard carbon, activating a high-capacity sodium storage mechanism. Consequently, the glass-coated hard carbon delivers a reversible capacity of 462.2 mAh g −1 , cycling stability of 89.1% capacity retention after 4000 cycles at 1 A g −1 and 95.3% capacity retention after 8000 cycles at 2 A g −1 , and high-rate capability. This work offers insights into interfacial design strategies for durable sodium-ion storage in hard carbon negative electrodes.
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RSC Advances
·
2026
·
IF 6.1
Jinxin Fang,Hongli Guo,Chenling Xu,Shiyu Wang,Daoxiang Jiang,Qin Huang,Bao Yu,Weiguo Cao,Haijun Huang
Heavy metal contamination in traditional Chinese medicines (TCMs) and their preparations is an urgent quality and safety issue to be addressed in the industrialization of TCMs. Herein, a novel magnetic composite of MgAl-LDHs@FRBCs/Fe 3 O 4 was prepared as the adsorbent, which was fabricated by using the leaves ( Isatidis Folium ) and roots ( Isatidis Radix ) of Isatis indigotica as the carbon source for biochar (FRBCs), followed by in situ growth of MgAl-layered double hydroxides (MgAl-LDHs). In the aqueous extract of Ligusticum chuanxiong Hort. (CX), the composite exhibited high simultaneous removal efficiencies for multiple heavy metal ions: 96.53% for Pb 2+ , 78.49% for Cu 2+ , 83.82% for Cd 2+ , and 35.48% for Ni 2+ . The adsorption process fitted better with the pseudo-second-order (PSO) kinetic model and Langmuir isotherm, indicating that the adsorption was dominated by monolayer chemisorption. Meanwhile, a certain correlation with the pseudo-first-order (PFO) kinetic model was also observed, reflecting the participation of the physisorption. Thermodynamic parameters (Δ H = 25.84–105.42 kJ mol −1 , Δ S = 122.15–386.15 J mol −1 K −1 , Δ G = −17.37 to −9.65 kJ mol −1 ) confirmed a spontaneous and endothermic process with increased disorder. Further mechanism investigation by pH-dependent experiments, zeta potential measurements, and XPS revealed that the adsorption occurred mainly through electrostatic interactions and chemical complexation. Importantly, HPLC analysis revealed no significant alteration of the major bioactive components in the CX extract after adsorption. The composite also exhibited fast adsorption kinetics, high removal efficiency under competitive conditions, good stability and reusability, and easy magnetic separation. The current work provides a high-performance adsorbent for heavy metal removal from TCM aqueous extracts, which also offers a sustainable strategy for valorizing TCM residues. Herein, a novel magnetic composite of MgAl-LDHs@FRBCs/Fe 3 O 4 was prepared, and the adsorption performance and mechanism of this composite for multiple heavy metal ions in the aqueous extract of Ligusticum chuanxiong Hort. were investigated.
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Nature Water
·
2026
·
IF 30.7
Liu Fu,Hao Fengkun,Sun Mingzi,Wang Helin,Yao Ning,Wang Yunhao,Wang Juan,Chen Peng,Ma Xintao,Zhou Jingwen,Xiong Yuecheng,Ma Yangbo,Wang Guozhi,Guo Liang,Meng Xiang,Shao Mingzheng,Wang Chaohui,Wang Miao,Qian Fangren,Ye Chenliang,Xi Shibo,Huang Bolong,Fan Zhanxi
Phase control of alloy nanomaterials can modulate their atomic/electronic structures towards various electrocatalytic applications. However, the controlled synthesis of high-entropy nanoalloys (HENAs) with unconventional phase remains challenging. Here we report the one-pot synthesis of RhCuNiInSb HENAs with the unconventional 2H phase through regulating the nucleation/growth kinetics. Compared with the face-centred cubic phase counterpart, 2H RhCuNiInSb HENAs exhibit superior electrocatalytic nitrate reduction performance at low nitrate concentration. Ex/in situ studies reveal the accelerated deoxygenation/hydrogenation kinetics and distinct reaction pathway. Theoretical calculations demonstrate the electronic optimizations induced by the face-centred-cubic-to-2H phase transition, where the electronic redistribution and p – d elemental interactions improve the surface electroactivity. When operated in flow cell, 0.5 l of simulated wastewater can be efficiently converted into the value-added ammonia-derived product within 10 h. With a 20-h electrolysis, the NO 3 − -N concentration in real industrial and agricultural wastewater can be both reduced above the World Health Organization standard for drinking water.
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危险品化学品经营许可证（带存储）