JOURNAL OF APPLIED POLYMER SCIENCE
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2026
·Vol. 143
·期 15
·e70470
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IF 3.1
Biqin Chen,Yuxia Li,Jinghao Cao,Shenghui Liu,Ke Fan,Haixin Li
The existing TUF membranes often face challenges such as declining permeation flux and insufficient separation selectivity. This study proposes to improve the above problems by the synergistic effect of Mg–Al layered double hydroxide (LDH) and tannic acid (TA) etched metal–organic frameworks (MOFs): (1) TUF membranes with adjustable interlayer distances and multi-level mass transfer channels were constructed by doping LDH two-dimensional (2D) nanosheets; (2) TAZIF-L (Co) etched by TA was introduced. TA inhibited the swelling of LDH nanosheets through coordination and enhanced the interface binding between ZIF-L (Co) and the substrate, thereby suppressing its shedding. The results showed that TA can etch ZIF-L (Co), and the membrane prepared after etching has better selectivity and stability of dye/salt separation. Taking MTAZIF-0.02 as an example, the pure water flux was 88.23 L m −2 h −1 , which was 1.91 times that of MLDH. The removal rate of congo red (CR) solution was 92.56%. The NaCl rejection in methyl blue (MB)/NaCl solution was 10.88% and in CR/NaCl solution was 10.57%. This study provides an experimental basis for the construction of highly selective ultrafiltration membrane for the treatment of high concentration dye/salt wastewater.
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Energy & Environmental Materials
·
2026
·
IF 13.8
Chaohai Wang,Rui Li,Chang He,Xinfeng Zhu,Junning Wang,Rongfu Peng,Ho Ngoc Nam,Yanli Mao,Wei Liu,Mingshan Zhu,Yusuke Yamauchi
The increasing scarcity of freshwater resources has driven the development of solar interfacial evaporation technology, the effectiveness of which depends on the design of photothermal materials. Herein, a machine learning approach was combined with material design to develop Fe-Co Prussian blue analogue (PBA)-derived carbide/wood composite photothermal materials for desalination via solar interfacial evaporation. Through a bimetallic synergistic effect, the Fe-Co ions enhanced the wood's light absorption and stability, and also improved water transport via a “nanopump” effect, enabling the composite material to achieve a high evaporation rate of 2.807 kg m −2 h −1 under 1 sun. Notably, the desalinated seawater from the material was experimentally confirmed to meet World Health Organization (WHO) drinking-water standards. The machine learning model was applied to optimize Prussian blue analogue selection and the composite material design, providing a data-driven route for developing photothermal materials.
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Chemistry-An Asian Journal
·
2026
·Vol. 21
·期 5
·e70648
·
IF 3.2
Heng Chen,Yilin Wang,Tingting Lv,Liujie Wang,Guo Jiao,Li Li,Laiping Zhang,Jiangju Si,Hui Wang
Porous carbons (YZPCs) with self-doped heteroatoms (oxygen and nitrogen) were successfully prepared from mixed Chinese herbal medicinal residues via a simple KOH activation process under a nitrogen atmosphere. The resulting carbon exhibits a high specific surface area of 3359 m 2 ·g −1 and a hierarchical pore structure, which together provide abundant active sites for charge storage and facilitate rapid ion transport. Moreover, the substantial pseudocapacitance derived from the self-doped heteroatoms (N: 1.89 at%; O: 16.11 at%) further enhances the overall specific capacitance. The corresponding electrode delivers a specific capacitance of 344 F·g −1 at 1 A·g −1 , 270 F·g −1 at 10 A·g −1 , along with excellent cycling stability (96% capacitance retention after 10,000 cycles at 10 A·g −1 ). Overall, this study demonstrates the potential of the proposed method as an effective and low-cost approach to fabricate high-performance supercapacitors.
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Functional Materials Letters
·
2026
·
IF 1
Xiaoya Feng,Chuan Wang,Fengjie He,Hongbo Mo,Peng Lei,Li Ran,Weigang Fan,Peiwen Hu,Yuhu Zhang,Fan Lu
The efficient removal and selective recognition of pharmaceutical residues from aquatic systems remains a critical challenge in green analytical chemistry. Here, we report magnetic molecularly imprinted polymers (DES-MMIPs) synthesized using a deep eutectic solvent (DES; choline chloride/methacrylic acid) as a green functional monomer for targeted adsorption and detection of ibuprofen (IBP). Vinyl-modified Fe 3 O 4 nanoparticles serve as magnetic supports in a precipitation polymerization system. The resulting material exhibits a rough surface with well-defined imprinted cavities and sufficient magnetic responsiveness (saturation magnetization = 6.29 emu·g -1 ). Under optimized conditions, DES-MMIPs achieve an IBP adsorption capacity of 77.68 mg·g -1 -1.94 times that of non-imprinted polymers-reaching equilibrium within 80 min. Adsorption follows the Langmuir model (Q max = 151.52 mg·g -1 ) and pseudo-second-order kinetics (R 2 = 0.9820), consistent with monolayer chemisorption. DES-MMIPs show high selectivity, maintain performance in the presence of coexisting ions and humic acid, and retain 96.6% capacity over five adsorption–desorption cycles. This work establishes a sustainable molecular imprinting platform based on DES monomers for efficient extraction and monitoring of trace organic pollutants in complex aqueous environments.
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JOURNAL OF ENVIRONMENTAL MANAGEMENT
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2026
·
IF 9.2
Nabi Bux,Danruo Luo,Shan Qian,He Guo,Sadam Hussain Tumrani,Razium Ali Soomro,Guodong Zhang,Qiuling Ma,Jian Zhou,Tiecheng Wang
The wide occurrence of sulfonamide antibiotics in water environments poses a great threat to ecological system and human health. Cobalt-based catalysts are well known for advanced oxidation processes (AOP), but the synergistic role of heteroatoms is still uncertain. In this work, a new type of heterogeneous Co based catalyst with sulfur as the ligand (Co@S-N-C) was transferred through a straightforward one-pot pyrolysis approach for efficient activating peracetic acid (PAA) to degrade sulfadiazine (SDZ). Systematic characterization confirmed that the co-doping by S and N in carbon induced the formation of several cobalt species (Co 0 , Co 2+ , and Co 3+ ) and built a unique electronic structure featuring in abundant defects and large specific surface area. The Co@S-N-C/PAA system exhibited exceptional catalytic efficacy, accomplishing total SDZ degradation in 25 min and a substantial mineralization rate of 78.2% within 90 min, markedly surpassing the performance of single heteroatom-doped catalysts (Co@N-C and Co@S-C). Mechanistic investigations indicated that •OH and CH 3 COO• contributed 66.4% and 34.1% to SDZ degradation, respectively. DFT calculations revealed that S-N co-doping increased the electron transfer from low-valent cobalt sites to PAA, promoting O-O bond splitting. The catalyst exhibited excellent stability with 71% activity retention and minimal Co leaching (5%) after four cycles. Based on these results, five primary degradation pathways for SDZ were proposed, and the results of ecotoxicity analysis showed that the transformation products were less toxic. Overall, this work provides significant insights into the development of high-performance dual-heteroatom-doped catalysts to form the PAA-mediated AOP for wastewater treatment.
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COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2026
·
IF 5.4
Yu Song,Feng Zhou,Jinrong Yin,Yating Chen,Xiaoji Fu,Hui Chen,Xirui Chen,Dong Lu,Xianyan Ren
High-capacity adsorption resins offer effective solutions for both industrial chemical applications and urgent oil spill management, yet their adsorption performance declines significantly in cold environments, limiting their practical utility. To develop an acrylate-based oil adsorption resin applicable in cold environments, a dynamically flexible (curly-like) crosslinked network was fabricated via solution polymerization using cyclohexane as the solvent. Additional pore structures were introduced by employing PMMA as a pore-forming template, while lipophilicity was enhanced through the incorporation of hydrophobic SiO₂ nanoparticles. When octadecyl methacrylate (SMA), butyl methacrylate (BMA) and divinylbenzene (DVB) were employed as monomers, the resulted oil adsorption resin T-PSDB@SiO 2 exhibits a below-zero glass transition temperature ( Tg : −3.54 ℃), an excellent deformation capacity (>450%), and thus a remarkable adsorption capacity even at cold environments. Even at −20 ℃, its chloroform and n-hexane saturation adsorption capacity remain high, at approximately 43.37 and 12.51 g/g, which is over 80% of that at room temperature. Furthermore, the T-PSDB@SiO 2 exhibits exceptional oil-water separation efficacy (>99%) in oil-water/ice mixtures, and high oil retention capability (>99%), making it an excellent candidate for effective emergency response to chemical and oil spill incidents in cold environments.
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Journal of the Taiwan Institute of Chemical Engineers
·
2026
·
IF 6.9
Song song,Yihe Qin,Rui Yuan,Xiaoman Li,Yuancai Chen,Haiming Huang
Background The persistence and eutrophication risks posed by organophosphorus pollutants and P recovery have attracted great concern. To overcome the narrow pH window and poor Fe 2+ /Fe 3+ cycling of conventional Fenton processes for the decontamination of organophosphorus effluents, a novel heterogeneous fenton process is required. Methods Herein, a Fe 3 O 4 -modified tourmaline composite (Fe 3 O 4 @Tol) was prepared via hydrothermal reaction and a heterogeneous photo-Fenton system was established with UV assistance. Significant Findings The composite achieved 89.97% conversion rate of 1-hydroxyethylidene-1,1-diphosphonic acid(HEDP) within 10 min with >80% TOC removal under neutral conditions (pH=7). Density-functional theory calculations and mechanistic investigations revealed that the piezoelectric effect of tourmaline promotes H₂O₂ dissociation and electron transfer, while UV irradiation accelerates Fe³⁺/Fe²⁺ cycling and H₂O₂ decomposition. These synergistic effects elevated H₂O₂ utilization efficiency to 81.18%. The system rapidly degraded other organophosphorus compounds (phytic acid, nitrilotrimethylene triphosphonic acid) and tolerated common inorganic salts, maintaining conversion rates above 70%. Fe 3 O 4 @Tol retained 72.21% of its initial activity after five cycles. This pH-tolerant, recyclable, and highly efficient technology offers a promising solution for the removal of recalcitrant organophosphorus pollutants from industrial wastewater.
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POLYMER
·
2026
·
IF 5.1
Yubin Luo,Liu Zhong,Shengyong Yang,Kanstantsin S. Livanovich,Haoqun Hong,Dong Xie
This study systematically investigates how solvent–monomer hydrogen bonding influences the stereoregularity of chain segments in the free-radical polymerization of vinyl acetate (VAc). Combining density functional theory (DFT) calculations, Fourier transform infrared spectroscopy (FTIR), and polymer property analysis, we examined the correlation among solvent hydrogen bond strength, polymer stereoregularity, and material performance. Three solvents with different hydrogen bond donor abilities—methanol (MeOH), trifluoroethanol (TFE), and hexafluoroisopropanol (HFIP)—were selected for study. FTIR spectra reveal that stronger hydrogen bonding causes a gradual red shift in the C=O absorption peak, confirming solvent–monomer complex formation. DFT results further show that increasing solvent fluorination shortens the solvent–VAc coordination distance and enhances hydrogen bond energy (MeOH < TFE < HFIP), consistent with the observed rise in syndiotactic stereoregularity of the resulting poly(vinyl alcohol) (PVA). Experimentally, stronger hydrogen bonding yields PVA with higher molecular weight, crystallinity, and improved thermal and mechanical properties. By integrating theoretical insight with experimental validation, this work demonstrates that solvent design can effectively regulate stereoregularity in free-radical polymerization, offering a feasible strategy toward synthesizing high-performance PVA materials.
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COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2026
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IF 5.4
Tingxue Li,Siling Chen,Xichen Yu,Yang Hu,Hongmei Qin,Chuanxi Xiong,Quanling Yang,Zhuqun Shi
To enhance the electrochemical performance of flexible electronic devices, it is crucial to develop electrode materials with high specific capacitance. The nitrogen-doped carbon aerogel (CA) was synthesized through freeze-drying and carbonization of TEMPO-oxidized cellulose nanofibril aerogel. Inspired by porous media interface strategies, a nitrogen-doped carbon/ nickel-cobalt (Ni-Co) layered double hydroxide composite aerogel (CA-N@LDH) with a hierarchical porous structure was fabricated using a solution deposition method with controlled precursor concentration. X-ray diffraction (XRD) and scanning electron microscopy (SEM) characterization confirmed that the Ni-Co layered double hydroxides were uniformly loaded on the surface of the mesoporous carbon framework in a flower-like layered structure, achieving a specific surface area of 111.8 m²/g and pore size mainly of around 5 nm. When the addition of the precursor was 0.4 mmol, the composite exhibited a specific capacitance of 1892.7 F/g at a current density of 1 A/g, which represents a 6.7 times enhancement compared with pure nitrogen-doped (N-doped) carbon aerogel. X-ray photoelectron spectroscopy (XPS) analysis revealed the synergistic pseudocapacitive contributions from the Co²⁺/Co³ ⁺ and Ni²⁺/Ni³ ⁺ redox pairs, while the graphite-like N introduced by N doping reduced the charge transfer resistance by 42%. This study provides new insights into the design of composite electrodes with high specific capacitance and stability.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2026
·
IF 9.6
Jiaqi Lu,Shuting Fang,Qiaoli Lu,Chang Liu,Baohua Huang,Changqing Yao,Yanchun Hong,Qijun Ruan,Huihui Ti
The escalating crisis of antibacterial resistance necessitates the development of novel therapeutic agents that operate via unconventional mechanisms. Herein, we report the design of a potent antibacterial nanozyme by engineering a food-grade protein, lactoferrin (LF), into a dual-function biological macromolecule template. Lactoferrin was first transformed into robust amyloid fibrils (LFF), which then served as an active scaffold for the in situ synthesis of gold nanoclusters (AuNCs@LFF). The resulting hybrid material exhibited robust peroxidase-like (POD-like) activity, efficiently catalyzing the conversion of H₂O₂ into cytotoxic hydroxyl radicals ( · OH). Mechanistic investigations revealed a multi-pronged antibacterial strategy against both Staphylococcus aureus and Salmonella paratyphi B. The LFF scaffold promoted strong adhesion to the bacterial surface, facilitating membrane disruption and the targeted delivery of ROS. Beyond this direct oxidative damage, untargeted metabolomics unveiled an intracellular catastrophic collapse of central metabolism. This collapse was initiated by a profound depletion of essential cofactors (NAD + , CoA, TPP), which triggered the paralysis of the TCA cycle and a subsequent failure in the synthesis of amino acids, nucleotides, and cell wall precursors. This study demonstrates that the potent bactericidal effect arises from a synergistic assault, combining membrane oxidative damage with an internal cofactor collapse that leads to metabolic death. This work elucidated the novel mechanism for designing intelligent, macromolecule-based nanozymes that target the vulnerable hub of cofactor metabolism in pathogenic bacteria.
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CHEMICAL ENGINEERING JOURNAL
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2026
·
IF 12.5
Bin Wang,Hao Zhang,Wenhao Zhao,Xiansheng Zhang,Lili Wang
Achieving concurrent enhancement of strength, toughness, and resilience in hydrogels remains a significant challenge, particularly for applications in harsh environments. A “mechano-nanoconfinement synergy” strategy is proposed to fabricate poly (vinyl alcohol)/hydroxyapatite (PVA/HAp) nanocomposite hydrogels, featuring an alternating “rigid-soft” interlocked architecture. This approach leverages the particular temperature-induced transitions from viscoelastoplastic to viscoelastic states, which enables the mechanical incorporation of very high-loading HAp reinforcements within the viscoelastoplastic hydrogel, followed by structural stabilization via freezing-induced viscoelasticity. Quasi-static cold compression is further applied to promote local structural alignment and densification, driven by the cooperative roles of mechanical force, nanoconfinement from high-content HAp, and enhanced polymer mobility facilitated by a high-humidity thawing. The resulting rigid HAp-rich layers, characterized by dense packing and local aligned nanorods, alternate with soft PVA-rich layers, collectively imparting synergistic combination of a rigid load-bearing framework, entropy-driven recovery force, crack suppression, and abundant sacrificial bonds. Consequently, the layered hydrogels represent simultaneous improvements in multiple mechanical properties: exceptional compressive strength (31.94 MPa), outstanding resilience (95.41% recovery at 80% strain), and remarkable toughness (6.91 MJ m −3 ). Furthermore, the dense, layered architecture endows the hydrogel with high resistance to swelling, dehydration, freezing, and puncture. These comprehensive properties enable the hydrogel to effectively address the differentiated requirements of structural stability for marine sensing and bioactive mechanical support for bone repair.
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Asian Journal of Pharmaceutical Sciences
·
2026
·
IF 12.6
Chenxiao Chu,Xi Chen,Yaxin Deng,Jie Zhang,Xiaoshuang Bi,Yunfeng Ma,Mingli Wei,Jiansong Zhao,Haibing He,Jingxin Gou,Tian Yin,Xing Tang,Li Yang,Yu Zhang
Corneal neovascularization (CNV), an inflammation-driven pathological process responsible for irreversible vision loss, remains an urgent unmet challenge in ophthalmic medicine. Current interventions—ranging from surgery to topical steroids—fail to prevent recurrence or evade severe side effects like intraocular hypertension and even corneal ulceration. Here, we introduce CL-Peptide-Dex, a transformative contact lens (CL) engineered for matrix metalloproteinase-9 (MMP-9)-responsive dexamethasone (Dex) release, to resolve this decades-long challenge. By grafting dexamethasone on the lens surface via an MMP-9-cleavable peptide linker (GPLGLAGC), CL-Peptide-Dex achieves disease-adaptive drug delivery: rapid release during acute inflammation and sustained release throughout CNV progression. Unlike conventional drug-eluting systems, this surface-grafting strategy eliminates burst release while preserving lens transparency and oxygen permeability. In the rabbit corneal neovascularization model, a single administration of CL-Peptide-Dex could maintain a stable Dex level for 7 days, suppressed VEGF by 77.5%, and reduced neovascular area by 79.5%. Critically, CL-Peptide-Dex avoided intraocular pressure spikes and exhibited good corneal biocompatibility and compliance, enabling safe extended wear. By integrating MMP-9-responsive precision delivery with patient-friendly design, CL-Peptide-Dex represents a significant advance in precision ophthalmology.
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