JOURNAL OF SEPARATION SCIENCE
·
2026
·Vol. 49
·期 7
·e70470
·
IF 3.6
Hanbing Li,Jie Wang,Yuyang Li,Yaming Li,Lei Yan,Sumei Li,Dayi Zhang,Yixuan Liang,Danyang Li,Xiaowei Wang,Sha Chen
A selective phase for tetracycline antibiotics (TAs) uptake was designed by incorporating [BMIM][PF 6 ]-functionalized ZIF-67-derived carbonaceous material into the diffusive gradients in a thin-films (DGT) device. This material, integrated in the binding gel of DGT (ta-DGT), exhibited specifically strong affinity toward tetracycline (TC), oxytetracycline (OTC), and chlortetracycline (CTC), with adsorption capacities of 12.22, 11.81, and 13.78 µg/disc, respectively. The ta-DGT showed preferential uptake of TAs over coexisting antibiotics and organic contaminants, with adsorption ratios above 80% and stable performance over pH 4–9 and ionic strength of 0.001–0.1 M. Mechanistic analysis indicated that π–π electron donor–acceptor interactions and cation–π bonding facilitated the specific targeting of TAs onto ta-DGT. During 7 days of field deployment in a domestic wastewater treatment plant in Beijing, ta-DGT showed 5–40 times higher detectable concentrations than conventional HLB/XAD DGT devices. These results validated its sensitivity, reliability, and feasibility for the selective separation and quantification of TAs in complex aqueous matrices.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
·
2026
·
IF 4.8
Sa Yang,Jiasen Wang,Dingfeng Luo,Wenmeng Yu,Xuefei Zhang,Hongmei Li-Byarlay,Lianyang Bai,Changsheng Ma
Atrazine is a widely used herbicide, and its residues are frequently detected in bee food sources. However, the impact of field-level atrazine residues on bees remains poorly understood. This study evaluated the effects of 1.1 mg/kg atrazine on three bee species ( Apis mellifera , Bombus terrestris , and Osmia excavata ), by assessing changes in survival probability, sugar solution consumption, body weight, and gut function (including integrity, transcriptomic and metabolomic analyses). The results showed that 1.1 mg/kg atrazine did not significantly affect mortality or sugar solution consumption in the three bee species. However, it reduced the body weight of A. mellifera but did not affect the other two species. Atrazine exposure was found to compromise the intestinal integrity of both A. mellifera and B. terrestris , while exerting no significant adverse effect on that of O. excavata . Transcriptomic analysis revealed that atrazine exposure induced distinct gene expression changes in each bee species, primarily affecting detoxification, energy metabolism, and hormone synthesis pathways. Metabolomic analysis further indicated that pyrimidine metabolism, tryptophan metabolism, and the citrate cycle (TCA cycle) were pathways commonly enriched across the three bee species. Overall, these results suggest that field-level atrazine exposure may exert species-specific sublethal effects on bee physiology and gut function, underscoring the need for cross-taxa assessments in herbicide risk evaluation.
✓ 已验证
产品关联
DOI
高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
·
2026
·
IF 9.1
Bin Wen,Fan Chen,Yi Ran,Dongyun Que,Zhihao Zhang,Youwei Zeng,Yuyuan Yao
Molybdenum disulfide (MoS₂) is a promising inorganic co-catalyst for Fenton processes due to its structural durability and avoidance of secondary organic pollution. However, the conventional 2H-phase MoS₂ suffers from intrinsically low conductivity, severely limiting Fe 3+ reduction in the Fenton reaction. Herein, L-cysteine served as a multifunctional precursor during the preparation of MoS₂, promoting a slow-release sulfur supply, carbon‑nitrogen co-doping, and the prevention of restacking. The carbon and nitrogen co-doped molybdenum disulfide (CN-MoS 2 ) architecture was fabricated via a single-step hydrothermal reaction mediated by sodium molybdate, thiourea, and L-cysteine. Remarkably, benefiting from the introduction of L-cysteine, the resulting CN-MoS 2 exhibited a high 1 T-phase content (68%), abundant sulfur vacancies, and a substantially reduced particle size. CN-MoS 2 accomplished near-complete elimination of carbamazepine (CBZ) within merely 3 min, yielding a prominent apparent rate constant of 0.7111 min −1 , which is a 19-fold kinetic acceleration over thiourea-derived MoS 2 . CN-MoS₂ also exhibited high TOC removal, broad-spectrum degradation, and robust CBZ removal under various water conditions. Additionally, electrochemical analyses further verified that CN-MoS₂ reduced charge-transfer resistance and enriched electron density, thereby facilitating rapid electron shuttling to Fe 3+ . Concurrently, quenching experiments and electron paramagnetic resonance (EPR) diagnostics unambiguously validated SO 4 •- , 1 O 2 and O 2 •- as the driving reactive forces. Moreover, a continuous-flow device incorporating a CN-MoS 2 -based membrane exhibited outstanding performance in wastewater purification. This work offers a new strategy for designing high-activity co-catalysts for advanced oxidation processes.
✓ 已验证
产品关联
DOI
高影响因子
Foods
·
2026
·Vol. 15
·期 15
·2598
·
IF 6
Qingqing Li,Xuecheng Zhang,Shurun Chen,Bowen Guo,Qingwen Cao,Xinyue Feng,Xiaoping Yu,Xiaoyu Jia,Biao Zhang,Hongqing Wang
Acetamiprid (ACE) is a widely used neonicotinoid insecticide with potential health risks due to its persistence in the environment and bioaccumulation in plant-based foods. In this study, an improved dual-mode lateral flow immunochromatography assay (DMLFIA) was established for the sensitive detection of ACE residues in plant-based foods using Au@Ag@Pt NPs as dual-function signal probes. In the colorimetric mode (Mode 1), with the inhibition rate as the vertical coordinate and the ACE concentrations as the horizontal coordinate, the linear detection range of the colorimetric mode was 0.1–3000 μg/L with the detection limit of 0.08 μg/L. In the photothermal mode (Mode 2), the temperature values obtained via smartphones integrated thermal imager showed a linear relationship with 0.1–3000 μg/L of ACE, and the detection limit is 0.1 μg/L. The cross-reactivity rate of the developed DMLFIA with other structural analogs and functional substances was less than 0.39%. The recovery rate of the developed DMLFIA used in spiked plant-based foods was 81.1–99.4%, with relative standard deviations (RSD) of 1.3–10.7%. The detection results of this constructed DMLFIA showed good consistency with those obtained by HPLC and ELISA. The constructed DMLFIA provides a selective, sensitive and rapid detection tool for ACE in different scenarios in plant-based foods.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2026
·
IF 12.5
Haoran Song,Xudong Zhang,Mengting Guo,Pu Wang,Jie Li,Chen Li,Yan Cao,Linfeng Zhang,Qun Zhao,Xuewei Hu,Senlin Tian
The intricate relationship between catalyst size and reactivity has long been debated on the conflicting role of size effects in governing catalytic performance. A series of MXene-confined copper particle catalysts with various sizes ranging from 0.52 μm to 2.06 μm were synthesized via the confined growth strategy. Intriguingly, the pseudo-first removal rate of sulfamethoxazole exhibited a volcano-shaped relationship versus Cu particle size, and the optimal catalytic activity was achieved with the intermediate size of 1.18 μm (Cu@MXene-650 °C catalyst). The Cu particle size also influenced the generation of Cu(I), which was confirmed as the primary electron shuttle for PMS activation. Electrochemical impedance spectroscopy and cyclic voltammetry further revealed that the intermediate-sized Cu particle catalyst exhibited the lowest charge-transfer resistance and the highest electron-transfer efficiency. Hydroxyl radical (HO • ), sulfate radical (SO•- 4), singlet oxygen ( 1 O 2 ) and superoxide radical (O•- 2) were identified as the primary reactive species. Additionally, the micron-sized Cu@MXene catalyst demonstrated excellent performance over the pH range of 3.0 to 9.0, strong resistance towards common water matrix components and good stability in real river water. This work established a volcano-shaped relationship between Cu particle size and catalyst activity, thereby improving understanding of the role of metal particle size effects in advanced oxidation processes.
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF MEMBRANE SCIENCE
·
2026
·
IF 8.8
Hui Wen,Zhiyu Liu,Wei Qu,J. Paul Chen
Reactive nanofiltration (NF) systems that couple polyamide NF (PA-NF) with advanced oxidation processes reportedly offer a promising route for simultaneous degradation of emerging organic pollutants and desalination. However, their performance is constrained by limited catalytic activity, mass-transfer barriers, and trade-off between permeability–selectivity. Here, we develop a high-performance catalytic PA-NF membrane by introducing a layered double hydroxide (LDH) interlayer with the aim on creation of nanoconfined spaces within the internal membrane structure for enhancement in oxidant activation and mass transport. It was found that the interfacial polymerization by restricting amine diffusion can effectively be regulated, yielding a thin, defect-free PA layer enabling fast water transport and precise ion selectivity. The nanoconfinement with peroxymonosulfate markedly boosts oxidant delivery and electron-transfer efficiency, accelerating radical generation. Hence, the catalytic LDH-interlayered PA-NF membrane exhibited high water permeance (34.8 L/(m 2 ·h·bar)) and excellent ion selectivity, while simultaneously achieving nearly 100% atrazine degradation with a rate constant of 0.034 min −1 , far outperforming non-confined systems, even under natural organic matter and ionic interference. This work would provide a better solution for design of cost-effective materials for next-generation reactive NF technologies and sustainable water and wastewater treatment.
✓ 已验证
产品关联
DOI
高影响因子
ENVIRONMENTAL SCIENCE & TECHNOLOGY
·
2026
·
IF 12.2
Weiting He,Xin Wang,Zishao Li,Daoyuan Zu,Kuanchang He,Kui Yang,Wei Li,Cheng Chao Li,Jinxing Ma
Electrochemical dehalogenation is a promising approach for removing persistent halogenated organic pollutants from water, but its practical application is often constrained by limited mass transfer and high energy demand in conventional batch reactors. Here, we report a self-separating flow cathode system using Pd-loaded Ti4O7 microparticles (Pd/Ti4O7), integrated with a porous Ti filter that enables in situ particle retention and recycling. With an optimized Pd loading of 0.5 wt %, the system achieved 93- and 13-fold faster diclofenac (DCF) dechlorination than systems without Pd/Ti4O7 and with Ti4O7 alone, respectively, while significantly reducing predicted biotoxicity. Efficient dehalogenation was further demonstrated for multiple chlorinated organic pollutants. Direct electron transfer (DET), rather than atomic hydrogen-mediated reduction, dominates the dehalogenation pathway, which confers strong resistance to common water matrix interferences. A single-pass system removed 99% of DCF from municipal wastewater within 7 min at an energy cost of 0.26 kWh·m–3, comparable to or lower than state-of-the-art technologies. Collectively, these results establish Pd/Ti4O7 self-separating flow cathodes as a robust and scalable platform for electrochemical dehalogenation, while highlighting remaining challenges related to material cost and life-cycle impacts.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
WATER RESEARCH
·
2026
·
IF 12.8
Ping Zhang,Chenchen Zhao,Fei Jiang,Chuyang Wu,Tianqi Wang,Xing Xu,Mengjie Wu,Zhanli Chen,Youqin Zou
Green Fenton-like reactions based on monometallic single-atom dual-reaction-center systems have emerged as promising strategies for sustainable water purification owing to their oxidant-free operation and low energy demand. However, their practical deployment is often hindered by limited degradation kinetics and unresolved mechanisms. Here, we report a carbon nitride-supported Fe/Mn bimetallic catalyst composed of Fe nanoclusters and adjacent Mn single atoms (FeMn-CN) that enables ultrafast and self-sustaining pollutant degradation under oxidant-free conditions. The catalyst achieves 99.5% removal of bisphenol A (BPA) within 3 min, setting an ultrahigh rate to date among self-sustaining water purification systems. Combined experimental investigations and density functional theory calculations reveal that the reaction proceeds predominantly via a direct electron-transfer pathway. Fe nanoclusters serve as primary electron acceptors, extracting electrons from BPA without external oxidants, while adjacent Mn single atoms coordinated in Mn-N 4 sites synergistically enhance the electron-accepting capacity of Fe and substantially lower the charge-transfer energy barrier. This atomic-level cooperation endows FeMn-CN with exceptional activity across a broad pH range (pH 2-10), strong tolerance to complex water matrices, high selectivity toward electron-rich contaminants and facile regeneration. Furthermore, continuous-flow reactor tests and life-cycle assessment collectively verify the scalability and superior environmental sustainability of the FeMn-CN process. This work establishes an atomic-level design principle for electron-transfer-dominated self-sustaining remediation materials, advancing the development of next-generation oxidant-free water purification technologies.
✓ 已验证
产品关联
DOI
高影响因子
Journal of Water Process Engineering
·
2026
·
IF 6.6
Yu-qiong Gao,Xue-ting Ren,Yang-yang Liu,Ju-xiang Chen,Fu-xiang Tian,Nai-yun Gao,Cong Li
This study compares the degradation kinetics and mechanisms of two typical antibiotics, levofloxacin (LEV) and metronidazole (MNZ), which exhibit distinct reactivities toward reactive species, using UV/chlorite (ClO 2 − ) process. Compared to direct UV photolysis, the introduction of ClO 2 − significantly enhanced the degradation efficiency at neutral pH, increasing that of LEV and MNZ from 59.6% and 22.6% to 93.3% and 41.1%, respectively. LEV and MNZ showed distinct degradation pathways due to structural differences. At pH 7, LEV degradation was driven mainly by RCS (47.6%) > UV (37.2%) > •OH (15.2%), while MNZ degradation followed UV (50.0%) > •OH (39.0%) > RCS (11.0%). As the concentration of ClO 2 − increased, the k obs of LEV rose continuously, whereas that of MNZ exhibited a distinct optimum. The effect of a coexisting substance on LEV and MNZ degradation depended on its species. The transformation of LEV involved decarboxylation, hydroxylation, demethylation, piperazine/quinolone ring cleavage, and chlorination, whereas MNZ degradation primarily proceeded via hydroxylation and N-ethanol group loss/oxidation. While E. coli toxicity tests showed that UV/ClO 2 − significantly reduced LEV toxicity, it slightly increased that of MNZ. This effective antibiotic-degrading technology exhibits compound-specific, pH-dependent mechanisms, necessitating optimization to manage transformation product toxicity for ecological safety.
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF ENVIRONMENTAL MANAGEMENT
·
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.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ELECTROCHIMICA ACTA
·
2026
·
IF 5.8
Longying Zhao,Jiayu Chen,Donglin Xiang,Mierban Dawuti,Laping He,Yuangen Wu,Han Tao
Residual organophosphorus pesticides (OPs) in food pose a severe threat to public health, necessitating simple and sensitive on-site analytical methods. In this study, a signal-off electrochemical sensing platform for OPs was constructed based on the OP-induced inhibition of silver deposition triggered by red kidney bean esterase (RKBE), coupled with the signal amplification of a CuNi dual-atom catalyst (CuNi-DAC). RKBE catalyzes the hydrolysis of α-naphthyl acetate to produce α-naphthol, which reduces Ag⁺ to Ag 0 deposited on the electrode. The electroactive Ag 0 undergoes oxidation to generate a prominent oxidation current, providing a sensitive sensing signal for detection. CuNi-DAC modification of the electrode accelerates charge transfer, provides more active sites, and effectively amplifies the sensing signal. Upon exposure to OPs, the activity of RKBE is inhibited, thereby suppressing the production of α-naphthol. This leads to a diminished Ag 0 generation and subsequent a weakened oxidation current. The decrease degree of current signal shows a positive correlation with pesticide concentration. Under optimized conditions, the fabricated sensing platform exhibits a good linear response range of 10 pmol/L-1000 pmol/L for fenthion with a low detection limit of 5.4 pmol/L. Spiked recoveries in cabbage and apple samples ranged from 93.3% to 108.5%, validating the sensing platform's practicality and reliability. This work offers a facile and cost-effective electrochemical sensing approach for on-site screening of OPs.
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF HAZARDOUS MATERIALS
·
2026
·
IF 10.6
Qingyun Ma,M.J. López,Shubin Zhang,Liang Jin,Dan Wei,Jianjun Yang,Jianbin Liu,Zhiyong Ruan
The extensive use of herbicides in agriculture has resulted in persistent soil contamination. Although microbial degradation of single herbicides has been extensively investigated, the responses and co-metabolism of microbial consortia to complex herbicide mixtures remain unclear. This study aimed to investigate the influence of a simple carbon source (glucose) on herbicide degradation by a natural microbial consortium (NMC) and identify key degraders for constructing an efficient synthetic microbial community (SynCom). An NMC enriched from herbicide-stressed agricultural black soil in Northeast China was inoculated into mineral salt media containing a mixture of herbicides (atrazine, nicosulfuron and mesotrione) as the sole carbon/nitrogen source, without (MSM) or with glucose supplementation (GSM). Significant herbicide degradation occurred only in the GSM system, with degradation rates of 97.27% for nicosulfuron, 68.00% for mesotrione, and 22.91% for atrazine after 8 days. Integrated 16S rRNA gene sequencing and metagenomic analysis linked the glucose amendment to a specific shift in the microbial community structure and activation of central carbon metabolism (tricarboxylic acid [TCA] and glycolytic), which enhanced cellular energy supply and environmental acidification for co-metabolic degradation of herbicides. In contrast, metabolism in the MSM system was biased toward biosynthesis. Combined random forest (RF) and co-occurrence network analyses identified the Burkholderia-Caballeronia-Paraburkholderia complex, Rhodanobacter , and Achromobacter as the keystone taxa. Metagenomic screening showed that these taxa were enriched for functional genes associated with herbicide degradation, including atzF (allophanate hydrolase) and gst (glutathione S-transferase). A simplified four-isolate SynCom, constructed based on these functional associations, degraded the herbicide mixtures more efficiently than either the individual isolates or the NMC in the GSM system. These findings elucidate the role of labile carbon in driving the co-metabolism of complex herbicides and provide direct candidate strains and a construction strategy, facilitating practical bioremediation applications.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）