JOURNAL OF MEMBRANE SCIENCE
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2026
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IF 8.8
Jiaxin He,Zhihao Liu,Shizheng Song,Shuo Liu,Ruibao Wu,Zongyao Zhou,Sheng Zhou
Mixed-matrix membranes (MMMs) offer a promising route to efficient gas separation by synergizing the superior transport properties and stability of porous fillers with the scalability of polymeric matrix. However, fabricating ultrathin, high-loading MMMs remains a significant challenge, as conventional solution processing inevitably leads to filler agglomeration. Here, we report a decoupled assembly strategy to fabricate ultrathin, highly loaded MMMs by separating membrane formation into two distinct stages: filler monolayer assembly and subsequent matrix electropolymerization. This approach enables the formation of ordered, close-packed nanoparticle monolayers, facilitating the attainment of ultra-high filler loadings (>60 wt%) in the final membrane. Using metal-organic frameworks (MOF-801 and MOF-808) as fillers and a conjugated microporous polymer (CMP) as the matrix, we constructed robust MMMs with thicknesses of 390 nm and 550 nm, respectively. Applied to CO 2 /CH 4 separation, the resulting membranes exhibited a 12-fold increase in CO 2 permeance (from 26 to 313 GPU) and a 120% enhancement in selectivity compared to the pristine polymer matrix.
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CHEMICAL ENGINEERING JOURNAL
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2026
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IF 12.5
Caiyu Rong,Xiang Dong,Shidai Zhang,Shuqin Ding,Zhaoxin Zhang,Yan Ma,Zixin Lin,Yuhe Song,Jiayi Zhang,Shibin Nie,Konghu Tian
Inspired by Viper scales, a cotton-based smart textile named PMCOT has been developed. • PMCOT exhibits thermosensitive properties, enabling graded fire alarm. • PMCOT demonstrates piezosensitive properties, achieving body language recognition and remote control. To address the challenge of simultaneously achieving superior fire resistance and intelligent sensing in next-generation firefighting suits, we herein report a viper scale-inspired organic-inorganic hybrid smart armor, PPy@M(OH)(OCH 3 ) (M = Co, Ni), which was further utilized to fabricate a cotton-based smart fabric, PMCOT. PMCOT exhibits excellent flame resistance, thermosensitivity, and piezosensitivity. Specifically, it withstands 1300 °C flame jet for over 60 s while maintaining structural integrity; its peak heat release rate was reduced by 87.38% compared with pure cotton, and the residual mass reached 41.6% after thermal decomposition. Endowed with a piezoresistive sensing mechanism, PMCOT realized real-time resistance monitoring of shoulder, elbow and knee joints, capturing distinguishable signals for typical firefighting postures. It also achieved graded fire alarm via thermosensitive resistance variation (37.2–95.9 °C). In addition, PMCOT can capture finger joint signals of firefighters and operate a robotic arm remotely with stable cyclic performance. PMCOT possessed excellent comprehensive wearable performance with increased elongation at break (27.6%), only 4.8% lower water vapor transmission rate than cotton, and high-efficiency antibacterial performance. The bionic strategy proposed in this study provides critical support for the design of fireproof smart fabrics and the development of next-generation intelligent firefighting suits. Download: Download high-res image (293KB) Download: Download full-size image
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JOURNAL OF MOLECULAR STRUCTURE
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2026
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IF 4.9
Jinglin Tan,Wei Zhang
CB[7] and β-CD bind Si-4Ph-2Am guest in contrasting modes. • CB[7] binds cationic trimethylanilinium, forming nanorods with green emission. • β-CD encapsulates hydrophobic core, forming irregular aggregates with blue emission. In this work, the contrasting recognition behavior between a symmetric dicationic guest, 4,4′-(diphenylsilanediyl)bis(N,N,N-trimethylanilinium)diiodide (Si-4Ph-2Am) and two macrocycles (cucurbit[7]uril (CB[7]) and β-cyclodextrin (β-CD)) were investigated employing 1 H NMR, 13 C NMR, 29 Si NMR, 2D NOESY, and FT-IR, fluorescence spectroscopy, transmission electron microscopy, dynamic light scattering, and thermogravimetric analysis. The results of 1 H NMR and 2D NOESY revealed that CB[7] encapsulates the two cationic trimethylanilinium groups via ion-dipole interactions, while, β-CD accommodates the central diphenylsilane unit through hydrophobic inclusion. The results of Job plot analyses indicate an host: guest stoichiometry of 1:2 for the CB[7] system and 2:1 for the β-CD system. The CB[7] directed complex assembles into uniform nanorods accompanied by a bathochromic emission shift from 460 nm to 512 nm. In contrast, the β-CD-directed complex remains as irregular aggregates with enhanced emission at 460 nm. This study establishes a powerful principle of host directed programming, wherein the choice of macrocycle influence the binding modes, stoichiometry, photophysical properties, and nanoscale assembly of multifunctional guest.
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ADVANCED FUNCTIONAL MATERIALS
·
2026
·Vol. 36
·期 60
·e76942
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IF 19.9
Dakai Guo,Dongxia Nie,Guoping Zhang,Jing Zhao,Zhihui Zhao,Zheng Han
Although the rational design of multifunctional lanthanide-based frameworks and exploration of their emission mechanisms have long been research hotspots in the field of material science, they remain challenging issues that are critical to the development of optical sensing tools. Herein, a novel terbium-functionalized polymer organic framework (BTH-PHEN-POF@Tb) was successfully fabricated with benzene-1,3,5-tricarbohydrazide (BTH) and 1,10-phenanthroline-2,9-dicarbaldehyde (PHEN) as the building blocks. The as-prepared POF featured abundant imine bonds and nitrogen atoms allowing efficient coordination with Tb 3+ ions, which could activate a unique target-triggered synergistic antenna effect for Tb 3+ and effectively reduce solvent-induced nonradiative quenching, leading to a distinct and adjustable fluorescence enhancement. Density functional theory (DFT) calculations and frontier molecular orbital analysis were adopted for the explanation of fluorescence enhancement mechanism. A reliable fluorescent probe was developed for dual targets sensing of typical mycotoxins, tenuazonic acid (TeA) and alternariol monomethyl ether (AME). This detection method exhibited a wide linear range, high sensitivity (limits of detection = 1.51 for TeA and 0.15 ng mL −1 for AME), and rapid response (<30 s) along with excellent probe stability. Our results created new possibilities for the fabrication and application of multifunctional lanthanide-based frameworks in analytical chemistry, particularly for the optical sensing of harmful substances.
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Journal of Environmental Chemical Engineering
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2026
·Vol. 14
·期 5
·124157
·
IF 7.5
Junyi Shi,Hongjuan Wang,Peng Liu,Dehai Yu,Dandan Ji
PLA-based composite aerogels with high oil selectivity, good reusability, and gravity-driven transport capability are promising materials for oily-water treatment and spill remediation. However, many high-performance oil/water separation aerogels still rely on non-degradable matrices or fluorinated surface modifiers. Herein, ZIF-71 nanoparticles were incorporated into a polylactic acid (PLA) aerogel to construct a hydrophobic capillary-gating network through solution blending, water-assisted thermally induced phase separation, liquid-nitrogen freezing, and freeze-drying. The chlorinated imidazolate framework contributed hydrophobic/oleophilic domains, polyhedral roughness, and textural porosity, while the PLA matrix provided a lightweight biodegradable skeleton. Compared with pristine PLA, the optimized PZ71–3 aerogel increased the water contact angle from 114° to 136°, tensile strength from 0.088 to 0.166 MPa, elongation at break from 10% to 25%, and total pore volume from 0.0066 to 0.0091 cm³ g⁻¹ , while showing a BJH average pore diameter of 10.8 nm. The aerogel resisted a water head of 14.5 cm, selectively captured both floating heptane and sinking CCl₄, achieved oil recovery efficiencies of 98.2–99.2% with gravity-driven oil fluxes of 5300–17,200 L m⁻² h⁻¹ , and retained stable oil sorption capacity and flux over 20 cycles. Comparative benchmarking shows that PZ71–3 offers a balanced performance profile among MOF/polymer and biodegradable-polymer aerogels. This work demonstrates ZIF-71-induced hydrophobic capillary gating as an effective fluorine-free strategy for recyclable PLA-based sorbents for oil/water separation.
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CHEMICAL ENGINEERING JOURNAL
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2026
·
IF 12.5
Liangwei Wang,Zhongpan Li,Zhilang Xie,Xianghan Hou,Rongzhu Li,Yulin Xiang,Xiaohui Chen,Fulan Zhao,Jiaqi Wu,Guoyou Wang,Rui Huang
Injectable nanohydrogel enabled localized and sustained intra-articular delivery. • GLP hydrogel prolonged joint retention and enabled sustained local drug exposure. • GLP hydrogel alleviated synovial inflammation and cartilage damage in CIA rats. • GLP hydrogel suppressed NF-κB/NLRP3-driven pyroptosis with good in vivo safety. Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by persistent synovial inflammation. To overcome the limitations of conventional therapies, including poor bioavailability, insufficient target specificity, and cumulative systemic toxicity, this investigation delineates the design and fabrication of an enzymatically cross-linked hydrogel scaffold derived from a gelatin-gallic acid (GGA) graft copolymer, designated as GGA@Lipo@EMO (GLP), for the encapsulation of emodin (EMO)-loaded liposomal nanoparticles. This advanced delivery platform facilitates localized sustained release and precise intra-articular drug delivery. Rheological analysis, scanning electron microscopy (SEM), and proton nuclear magnetic resonance ( 1 H NMR) confirmed its injectability, interconnected porous structure, and controlled release behavior. The Network pharmacology analyses, in vitro cellular experiments, and in vivo studies using collagen-induced arthritis (CIA) rat models collectively demonstrate that the GLP hydrogel effectively inhibits the nuclear factor-κB (NF-κB) signaling pathway and NOD-like receptor protein 3 (NLRP3) inflammasome activation, thereby blocking cysteine–aspartic acid protease-1 (caspase-1)/gasdermin D (GSDMD)-mediated pyroptosis. This results in significant downregulation of key inflammatory cytokines such as tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), and interleukin-18 (IL-18), thereby mitigating inflammatory cell infiltration and cartilage degradation. The GLP hydrogel exhibits substantial therapeutic efficacy and favorable biosafety, offering a new approach for localized therapy of RA. Download: Download high-res image (211KB) Download: Download full-size image
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MICROCHEMICAL JOURNAL
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2026
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IF 5.2
Mengqi Cheng,Wanting Duan,Jiajia Fu,Ziyi Cheng,Xinru Wang,Ruijun Tang,Yanmei Xu,Yuchen Cui,Youxin Li
RA-MMIPs were synthesized using a multi-monomer strategy. • RA-MMIPs showed fast adsorption, high absorption amount, good selectivity to RA and reusability. • RA-MMIPs could efficiently isolated rosmarinic acid and its analogues from Orthosiphon aristatus . • The isolates exhibited enhanced antioxidant activity than the original extract. In this study, rosmarinic acid-magnetic molecularly imprinted nanoparticles (RA-MMIPs) were synthesized using a multi-monomer strategy and characterized through nine methods. Adsorption/desorption evaluation showed a series of advanced properties, like fast adsorption equilibrium (120 min), high adsorption amount (311.38 mg/g), and good reusability (>7 cycles) compared with previously reported adsorbents. These was from the multi-interactions with rosmarinic acid, such as borate ester covalent bond, hydrogen bond, cation-π interaction, etc. RA-MMIPs showed favorable selectivity for rosmarinic acid over its analogues, including gallic acid, chlorogenic acid, caffeic acid, and ferulic acid with selectivity coefficients of 3.10, 6.82, 3.88 and 3.69, respectively. Finally, RA-MMIPs were successfully used to selectively separate rosmarinic acid and its analogues with 98.04% adsorption rate from Orthosiphon aristatus extract. Antioxidant assays of purified rosmarinic acid and its analogues revealed that the IC 50 values for DPPH and ABTS radical scavenging decreased to 12.563 ± 0.561 μg/mL and 24.403 ± 2.602 μg/mL, which were significantly lower than those of the original extract (69.208 ± 2.380 μg/mL and 94.772 ± 0.272 μg/mL). The FRAP absorbance at 700 nm increased from 0.117 ± 0.001 to 0.365 ± 0.003, further confirming the enhanced antioxidant activity. The efficient molecularly imprinted adsorbent of RA-MMIPs provided a novel approach for selectively acquiring highly potent antioxidant compounds from complex natural products. Download: Download high-res image (271KB) Download: Download full-size image
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COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2026
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IF 5.4
Jie Ding,Jing Zhang,Boxia Liu,Yuyu Wang,Dongxu Han,Yeqiong Huang,Chuhan Xing,Zhi Song
MnFe-O activates PMS to remove 99.34% phenol within 30 min. • Oxygen vacancies regulate Mn-Fe dual-site electronic coupling. • MnFe-O shows higher Fe 2+ and Mn 3+ contents for rapid redox cycling. • O 2 •− / 1 O 2 -coupled pathways dominate phenol oxidation in MnFe-O/PMS. • MnFe-O/PMS maintains high activity in diverse real water matrices. Peroxymonosulfate (PMS) activation technology has significant application potential in the removal of phenolic pollutants, but its catalytic performance is still limited by problems such as insufficient regulation of the electronic structure of active sites and unclear interfacial reaction pathways. This study used MnFe Prussian blue analogue (MnFe-PBA) as a precursor to construct a series of MnFe-X (X = O, S, Se) catalysts through thermal conversion and oxygen vacancy-related defect engineering, and systematically compared the effects of different vacancy types on the PMS-activated degradation performance of phenol. The results showed that the MnFe-O sample, which was jointly regulated by oxygen vacancy-related defects and structural reconstruction, exhibited the best catalytic activity, achieving 99.34% phenol removal within 30 min, with an apparent rate constant as high as 0.20 min −1 , which was significantly better than the MnFe-PBA and S/Se vacancy-regulated samples. XPS analysis showed that the increased proportions of Fe 2+ (77.25%) and Mn 3+ (70.00%) in MnFe-O created a more favorable local electronic environment for electron coupling and redox cycles. EPR and quenching results indicate that •OH, SO 4 •− , O 2 •− and 1 O 2 are generated simultaneously in the system, and an oxidation pathway dominated by O 2 •− / 1 O 2 coupling is ultimately formed. This work reveals the key role of oxygen vacancy-related defects and structural reconstruction in jointly regulating the activation of PMS by Mn-Fe dual sites, providing a new mechanistic basis for defect engineering-driven bimetallic catalyst design and efficient purification of phenolic wastewater. Download: Download high-res image (230KB) Download: Download full-size image
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MICROCHEMICAL JOURNAL
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2026
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IF 5.2
Tianxin Zuo,Hengchang Zhang,Kaidi Sun,Hairong Chen,Caiqin Han
AuNPs@BN@AgNR SERS sensor for ultrasensitive salivary BR/BV detection. • Ultra-low LODs of 5 × 10 −8 M for BR and 1 × 10 −7 M for BV in spiked saliva. • FDTD simulations confirm 5.54-fold electric field enhancement via LSPR coupling. • BN layer enables target enrichment and suppressed non-specific adsorption. Bilirubin (BR) and biliverdin (BV) are non-invasive biomarkers for hepatic function assessment. Their detection in saliva is limited by sub-micromolar concentrations and matrix interference. Conventional methods exhibit limits of detection (LODs) ≥ 10 −6 M. Herein, an AuNPs@BN@AgNR SERS sensor is fabricated via oblique angle deposition, wet chemical etching, and chemical reduction. FDTD simulations demonstrate a 5.54-fold local electric field enhancement in the x–z plane relative to the BN@AgNR bilayer, resulting from LSPR coupling between AuNPs and AgNRs. Experimentally, the substrate achieves enhancement factors up to 4.06 × 10 9 with a spatial relative standard deviation (RSD) of ≤7.00%. The sensor yields LODs of 1 × 10 −12 M (BPE), 2.5 × 10 −8 M (R6G), and 1 × 10 −6 M (CV). In spiked saliva, the sensor exhibits quantifiable concentration ranges of 5 × 10 −8 M to 1 × 10 −4 M for BR and 1 × 10 −7 M to 1 × 10 −4 M for BV, with corresponding LODs of 5 × 10 −8 M and 1 × 10 −7 M. This performance is attributed to BN-mediated electrostatic target enrichment and the suppression of non-specific protein adsorption. This study provides an analytical platform for the non-invasive trace analysis of hepatic biomarkers. Download: Download high-res image (112KB) Download: Download full-size image
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Nature Communications
·
2026
·
IF 18.1
Wang Yujie,Liu Guangyu,Gao Feng,Zhang Hongwei,Chen Aobo,Pan Jiangyuan,Xiong Wei,Jiang Meng,Wang Nana,Cui Xiaofeng,Kong Tingting,Gao Chao,Xiong Yujie
The biocatalytic conversion of green methanol, a promising feedstock, into high value-added products is seen as an attractive way to establish sustainable biomanufacturing. Although natural and engineered microorganisms can utilize methanol, efficiently converting C1 carbon into valuable chemicals in growing cells remains challenging because non-native pathways often suffer from low carbon utilization and limited catalytic stability. Here, we report the integration of an engineered enzyme cascade into resting cells and its coupling with a screened alcohol oxidase enzyme to develop an efficient and stable enzyme-resting cell cascade system for methanol conversion, achieving customizable production of L-erythrulose (C4 sugar) or L-sorbose (C6 sugar). This system shows a stimulated carbon atom economy for L-erythrulose production from methanol and significantly improved stability compared to free enzyme catalysis. By integrating enzyme cascades with durable resting cells, this strategy provides a versatile platform for converting methanol and other C1 substrates into value-added products.
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PubMed
高影响因子
CHINESE JOURNAL OF CHEMISTRY
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2026
·
IF 5.7
Shuai He,Man Zhao,Ze Wang,Shili Fang,Yuhong Chang,Junming Zhang,Li Zhang,Haishun Wu,He Xiao,JianFeng Jia
Comprehensive Summary The selective electrooxidation of methanol to formate is a kinetically complex process involving multiple intermediates ( e.g ., *CH 3 O, *CHO, *OH), whose adsorption energies are difficult to regulate simultaneously. Here, we report a conceptually new electric-field-directed relay catalysis strategy based on a Ni 4 Mo/MoO 2 Mott-Schottky heterojunction. Using a combination of UPS, XPS, and XAFS, we demonstrate that the built-in electric field (BIEF) drives directional electron transfer from metallic Ni 4 Mo to semiconducting MoO 2 , creating spatially separated electron-deficient Ni sites and electron-rich MoO 2 interfaces. Operando FTIR and Raman spectroscopy directly visualize the dynamic evolution of intermediates, revealing a relay mechanism: Ni sites promote *CH 3 O adsorption and C–H/O–H bond cleavage, while MoO 2 enhances *OH supply to accelerate *CHO oxidation. DFT calculations confirm that this BIEF-mediated spatial decoupling lowers the energy barrier of the potential-determining step (*CHO → *HCOOH) from 1.96 eV (Ni 4 Mo) to only 0.76 eV. Consequently, the obtained catalyst achieves a peak current density of 345.2 mA·cm –2 with >97% Faradaic efficiency for formate. This work establishes a new paradigm for designing heterojunction electrocatalysts that leverage interfacial electric fields to orchestrate multi-step reaction pathways with high selectivity.
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Journal of Environmental Chemical Engineering
·
2026
·Vol. 14
·期 5
·124130
·
IF 7.5
Xiang Li,Yu Tian,Yalong Xu,Bo Liu,Shi Zhou,Wei Jiang,Chunbo Liu,Guangbo Che
Precisely designing catalyst structures through chemical strategies to achieve non-radical-mediated Fenton-like catalysis for the efficient removal of organic contaminants is of great significance. Herein, a heptazine-porphyrin organic polymer (HPOP) was synthesized via a nucleophilic substitution reaction. Subsequently, a heptazine-porphyrin organic polymer catalyst featuring Co-N 4 sites (HPOP-Co 20 ) was fabricated through a solvothermal method for efficient peroxymonosulfate (PMS) activation. The porphyrin core effectively anchored the Co-N 4 active sites, inducing the generation of singlet oxygen from PMS. The high conjugation of porphyrin and heptazine effectively enhances the charge transport capability of the catalyst. Upon coordination with Co single atoms, the charge distribution of the polymer was reconstructed, facilitating rapid electron transfer to PMS. Compared with the original HPOP, the reaction rate constant of HPOP-Co 20 activating PMS for degrading sulfamethoxazole (SMX) could reach 1.7018 min −1 , which is 92.99 times that of the HPOP/PMS system (0.0183 min −1 ). The non-radical-mediated characteristic enabled HPOP-Co 20 /PMS to achieve efficient degradation across various water bodies, pollutants, anions, and initial pH conditions. The results of phytotoxicity and continuous wastewater treatment experiments indicated that SMX toxicity decreased after degradation, highlighting the practical application potential of this system. This study introduces a controllable substrate structure and a Co-N 4 site catalyst that promote non-radical pathways and enhance its stability and environmental adaptability.
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