JOURNAL OF HAZARDOUS MATERIALS
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2025
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IF 11.3
Yuanyuan Zhao,Mengmeng Zhang,Jiapeng Liu,Jing Hou
Co-exposure to low-density polyethylene microplastics (LDPE-MPs) and plastic additives like bisphenol A (BPA) and bisphenol AF (BPAF) poses a growing concern in aquatic environments, yet the role of LDPE-MPs in modulating their toxicity remains debated. This study integrates transcriptome sequencing, adsorption/desorption kinetics, and computational toxicology to assess how LDPE-MPs influence BPA- and BPAF-induced toxicity in zebrafish. We found that BPAF is more toxic than BPA, with 96 h lethal concentration 50 % (LC 50 ) values of 1.659 mg/L for BPAF and 6.219 mg/L for BPA. LDPE-MPs act as dual modulators, alleviating or exacerbating toxicity in a chemical- and pathway-dependent manner. For BPA, LDPE-MPs mitigate its impact on phototransduction by adsorbing BPA, reducing its bioavailability, and preserving light signal conversion. In contrast, LDPE-MPs exacerbate BPA-induced nucleotide metabolism disruptions by enhancing inosine-5′-monophosphate dehydrogenase (IMPDH) activity, leading to increased gene transcription and accumulation of metabolic intermediates. For BPAF, LDPE-MPs alleviate glucose metabolism disruptions by enhancing ligand-receptor interactions, restoring glucose homeostasis. However, LDPE-MPs have little effect on BPAF-induced upregulation of steroid biosynthesis genes. These findings highlight the integration of multi-omics approaches (transcriptome sequencing, adsorption/desorption kinetics, and computational toxicology) to reveal the dual mechanisms of LDPE-MPs, addressing the knowledge gap in understanding pathway-specific toxicity mechanisms in existing studies. The results emphasize the necessity of prioritizing regulatory control of BPAF and integrating BPA/BPAF-MPs interactions into future pathway-based environmental risk assessment frameworks.
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APPLIED SURFACE SCIENCE
·
2025
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IF 6.9
Yumei Li,Jiexin Wang,Wenbin An,Yi Zhang,Menghao Wang,Jian Fan
Nitrogen-doped carbon quantum dots (NCQDs) possess tunable fluorescence in the presence of organic pollutants, but the mechanism by which bisphenol compounds (BPs) regulate NCQDs’ fluorescence via intermolecular interactions remains unclear. Herein, we systematically investigated the fluorescence responses of NCQDs induced by three typical BPs (BPA, BPS, BPAF) in aqueous environments and the concentration-fluorescence correlation. Results showed all three BPs significantly enhanced NCQDs’ fluorescence, with a clear linear relationship between their low concentrations (0.2–100 μg/L) and fluorescence intensity. DFT calculations revealed that the hydrogen bonding energies between NCQDs and BPA/BPS/BPAF are much higher than those with water, indicating NCQDs form more stable complexes with BPs via hydrogen bonding. Natural transition orbital analysis demonstrated that hydrogen bonds formed by NCQDs’ surface carboxyl groups shift the S 1 state transition mode from dominant 1(n + π, π*) to 1(π, π*), triggering fluorescence intensity changes and emission spectral shifts. Additionally, hole-electron distribution analysis showed hydrogen bonds effectively inhibit electron transfer from NCQDs’ carbon skeleton to surface carboxyl groups, confirming hydrogen bonds play a pivotal role in regulating NCQDs’ electron transition processes.
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WATER AIR AND SOIL POLLUTION
·
2026
·Vol. 237
·期 10
·572
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IF 3.5
Zhang Jian,Wang Ningruo,Xie Xuewen,Liao Siyi,Zhong Biao,Feng Bo,Tian Chunxiang,Xu Yajun,Chen Yuhan,Xiao Jiewen
This study systematically evaluates the efficiency and mechanism of Mn–Co bimetallic oxides for peroxymonosulfate (PMS) activation to degrade bisphenol AF (BPAF). A series of spherical Mn a Co (1-a) O x catalysts were synthesized via a facile hydrothermal method. Among them, Mn 0.2 Co 0.8 O x exhibited the highest catalytic activity, outperforming other ratios. Under optimized conditions ([BPAF] = 5 mg/L, [PMS] = 0.2 mM, [Mn 0.2 Co 0.8 O x ] = 400 mg/L, pH = 7.85), the Mn 0.2 Co 0.8 O x /PMS system achieved 97.7% BPAF removal. Quenching tests and EPR spectroscopy confirmed SO 4 •⁻ and •OH as the predominant reactive oxygen species, with SO 4 •⁻ playing the dominant role. XPS and mechanism analysis indicated that the synergistic Co(III)/Co(II) and Mn(III)/Mn(II) redox cycles drive the efficient PMS activation and BPAF degradation.
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DESALINATION
·
2026
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IF 9.9
Shu Bi,Huoying Tan,Shiqiang Liang,Fan Yang,Jiamei Xin,Wenbin Wang,Zhi Geng,Chi Wang
Membrane distillation (MD), a promising thermal desalination technology, faces a critical challenge in its practical deployment: membrane wetting induced by low-surface-tension contaminants, which compromises separation efficacy and long-term operational stability. To address this challenge, we conceptualize and fabricate a photo-responsive composite nanofiber membrane endowed with an intrinsic self-cleaning capability to overcome this limitation. This MoO 3 @ZIF-8/PAES-CF 3 composite membrane is architected with a hierarchical roughness and engineered to exhibit dynamic, light-gated anti-wetting behavior. The strategic integration of hydrophobic and photoactive MoO 3 @ZIF-8 nanoparticles, within a fluorinated poly (arylene ether sulfone) (PAES-CF 3 ) matrix via electrospinning yields a robust, photoactive interfacial structure that concomitantly enhances surface hydrophobicity and mechanical integrity. In direct contact membrane distillation (DCMD), the optimized membrane demonstrates exceptional performance, achieving a water flux of 21.3 L·m −2 ·h −1 while maintaining a salt rejection rate exceeding 99.9%. Crucially, the membrane shows excellent resistance to wetting induced by sodium dodecyl sulfate (SDS) under light illumination, withstanding concentrations up to 0.15 mM. Moreover, under a feed solution containing 0.1 mM SDS, the membrane maintains stable operation for 24 h. This work presents a novel strategy for designing anti-wetting MD membranes, providing a foundation for the development of environmentally responsive and adaptive separation materials.
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TALANTA
·
2023
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IF 6.1
Qingying Wang,Lianfang Chen,Xiaoyan Cui,Jie Zhang,Yaohui Wang,Xiupei Yang
Herein, a covalent organic framework (COF) was grown on a magnetic metal-organic framework (MOF) by a solvothermal method for the efficient extraction of bisphenols (BPs). The magnetic solid-phase extraction (MSPE) of four bisphenols (bisphenol A, bisphenol B , bisphenol AF and bisphenol C) was carried out without adjusting the pH and salt concentration. When 30 mg Fe 3 O 4 @NH 2 -MIL-88(Fe)@TpPa was used to adsorb for 25 min, 6 mL methanol was used to elute for 20 min, and the extract was detected by high-performance liquid chromatography (HPLC). The proposed method has a low detection limit of 0.011–0.036 ng mL −1 , a wide linear range of 0.05–100 ng mL −1 , and a correlation coefficient (R 2 ) of 0.9980–0.9998. The intra-day and inter-day precisions are 0.74–2.54% and 1.68–3.72%, respectively. Bisphenol A was determined by applying the proposed method to the determination of actual milk samples. The standard addition experiment showed that the relative recovery of the four bisphenols was 85.70–119.7%. Pseudosecond-order, first-order, Langmuir and Freundlich models were applied to explore the adsorption characteristics of Fe 3 O 4 @NH 2 -MIL-88(Fe)@TpPa. In general, the established Fe 3 O 4 @NH 2 -MIL-88(Fe)@TpPa-MSPE-HPLC-UV method exhibits attractive sensitivity, simple manipulation, and excellent reusability, and it has excellent prospects for the detection of trace BPs in complex milk matrices.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2022
·
IF 9.965
Qihui Wang,Zeyu Guan,Yi Xiong,Dongya Li
Lower reaction speed and excessive oxidant inputs impede the removal of contaminants from water via the advanced oxidation processes based on peroxymonosulfate. Herein, we report a new confined catalysis paradigm via the hollow hetero-shell structured CN@C (H-CN@C), which permits effective decontamination through polymerization with faster reaction rates and lower oxidant dosage. The confined space structures regulated the C N and C O and electron density of the inner shell, which increased the electron transfer rate and mass transfer rate. As a result, C N in H-CN@C-10 reacted with peroxymonosulfate in preference to C O to generate singlet oxygen, improving the second-order reaction kinetics by 503 times. The identification of oxidation products implied that bisphenol AF could effectively remove by polymerization, which could reduce carbon dioxide emissions. These favorable properties make the nanoconfined catalytic polymerization of contaminants a remarkably promising nanocatalytic water purification technology.
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JOURNAL OF CHROMATOGRAPHY A
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2022
·
IF 4.601
Jin-Yu Qiao,Yue-Hong Pang,Zhu-Ying Yan,Xiao-Fang Shen
Bisphenols (BPs), one of the endocrine disrupting chemicals (EDCs), are harmful to health with the potential carcinogenicity, teratogenicity and neurotoxicity. In this paper, we developed an electro-enhanced solid-phase microextraction with membrane protection method to enrich BPs. The extraction time can be shortened to 10 min with the electric field, and the prepared fiber can be repetitively used 100 times with the membrane protection. The factors affecting extraction such potential, pH, extraction temperature and extraction time were optimized. Under optimal conditions, the linear ranges were 2-600 ng mL −1 for BPAF and 2-800 ng mL −1 for the other four BPs (BPB, BPF, BPA, BPZ), and the limits of detection (S/N=3) were from 0.09 (BPAF) to 0.41 (BPA) ng mL −1 , with intra-day and inter-day precisions <5.16% and 9.29%, respectively. The developed method has been applied to the determination of trace BPs in canned meat with the recoveries of 73%-117%, showing a promising application for pretreatment in complex samples.
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Chemosensors
·
2022
·Vol. 10
·期 11
·485
·
IF 4.229
Yu Zhang,Zhi Xia,Guofeng Gui,Ping Zhang,Qianzhu Li,Lifen Meng
This work constructed an ultrasensitive electrochemical bisphenol AF (BPAF) sensor using ultra-stable graphdiyne-templated platinum nanoparticles (PtNPs@GDY) as a sensing platform. PtNPs@GDY nanocomposite was synthesized by a chemical reduction method, and the preparation process was simple and rapid. GDY, with its natural porous structure, was used as substrate to stabilize PtNPs. Due to the high adsorption ability of GDY, it can prevent PtNPs from aggregation and inactivation. Transmission electron microscopy (TEM), high-resolution TEM (HRTEM) and Energy-dispersive X-ray spectroscopy (EDS) were used to characterize the microstructure and morphologies of the materials. Cyclic voltammetry (CV), Electrochemical impedance spectroscopy (EIS) and differential pulse voltammetry (DPV) were employed to investigate the electrochemical properties of the material and the performance of the sensor. At an optimized condition, the sensor exhibited excellent catalytic activities towards BPAF. The linear ranges were from 0.4 to 15.4 μM and 35.4 to 775.4 μM. The limit of detection was 0.09 μM. In addition, the electrochemical sensor showed good reproducibility, stability and anti-interference.Keywords:graphdiyne;platinum nanoparticles;electrochemical determination;bisphenol AF
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CHEMICAL ENGINEERING JOURNAL
·
2022
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IF 16.744
Xiaoyi Zhang,Rongqing Chen,Xiaoying Gao,Jinlan Weng,Yunjia Liu,Tian Gui,Shenghong Yang,Dunqing Wang,Xiangshu Chen,Jian Liu
Cyclodextrin-based porous polymers have become a kind of promising adsorbents for the remediation of wastewater by virtue of their sustainability and economic potential. The acquisition of aforementioned adsorbents commonly requires elaborate preparation procedures which involve organic solvent, catalyst, inert atmosphere, or long reaction time. Herein, a facile and scalable solid-state mechanochemical approach was developed to afford reticular β-cyclodextrin polyurethanes (CDPUs) in a short time (2 h) without any organic solvents and catalysts at ambient conditions. Various diisocyanates can be used as coupling agents to link β-CD molecules into CDPUs relying on the driving force of ball milling. CDPUs-based composites can be also successfully synthesized via a “one-pot” mechanochemical reaction. The afforded CDPUs exhibit nearly the same physiochemical characteristics as those synthesized in solvents or with the assistance of catalyst. CDPUs have numerous accessible active adsorption sites, including β-CD cavities, bridging urethane groups, dangling amino groups, and aromatic rings. Owing to the accessible porosities and abundant adsorption sites, CDPUs exhibited rapid adsorption rate and high adsorption capacity towards phenolic micropollutants. CDPUs can maintain adsorption efficiency in a wide pH range, ionic strength, and humic acid. There is no significant decrease of adsorption efficiency for more than eight regeneration cycles, indicating their suitability for practical water treatment. This solid-state mechanochemical synthesis method for reticular CD-based polymers paves a new insight into green preparation of adsorbents and their sustainable use for the practical remediation of micropollutant wastewater.
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INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
·
2022
·
IF 7.139
Jiafeng Qian,Chenyi Wang,Xiaojing Zhang,Xiaoyan Zhao,Jian Li,Qiang Ren
Anion exchange membranes with enough alkaline stability and ionic conductivity are essential for water electrolysis . In this work, a class of anion exchange membranes (PAES-TMI-x) with dense 1,2,4,5-tetramethylimidazolium side chains based on poly(aryl ether sulfone)s are prepared by aromatic nucleophilic polycondensation , radical substitution and Menshutkin reaction . Their chemical structure and hydrophilic/hydrophobic phase morphology are characterized by hydrogen nuclear magnetic resonance ( 1 H NMR) and atomic force microscope (AFM), respectively. The water uptake, swelling ratio and ionic conductivity for PAES-TMI-x are in the range of 23.8%–48.3%, 8.3%–14.3% and 18.22–96.31 mS/cm, respectively. These AEMs exhibit high alkaline stability, and the ionic conductivity for PAES-TMI-0.25 remains 86.8% after soaking in 2 M NaOH solution at 80 °C for 480 h. The current density of 1205 mA/cm 2 is obtained for the water electrolyzer equipped with PAES-TMI-0.25 in 2 M NaOH solution at 2.0 V and 80 °C, and the electrolyzer also has good operation stability at current density of 500 mA/cm 2 . This work is expected to provide a valuable reference for the selection and design of cations in high-performance AEMs for water electrolysis.
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Journal of Environmental Chemical Engineering
·
2022
·
IF 7.968
Linli Dai,Yi Xie,Yongkui Zhang,Yabo Wang
In this work, microorganism of Phanerochaete chrysosporium with iron-tolerating and accumulating abilities was cultivated and harvested as mycelial pellets, which could serve as a sustainable and environmental-friendly precursor for iron phosphide/N-doped biocarbon composite preparation. Through one-step pyrolysis process , the inherent Fe and P elements in mycelial pellet enabled the formation of well crystallized Fe 2 P particles, loading on N-doped biocarbon matrix. Benefiting from the porous structure, high specific surface area, N doping-induced defects and C O groups of biocarbon, as well as the good electron-donating property of Fe 2 P, the as-obtained Fe 2 P/BC composite performed well for bisphenol pollutant (e.g., BPAF) removal through peroxymonosulfate (PMS) activation. Specifically, almost complete BPAF removal was achieved within 30 min adsorption and 10 min catalysis process with an apparent reaction rate constant of 0.486 min −1 . The good crystallinity and protective carbon layer wrapping on Fe 2 P enabled the wide pH adaptability and low iron leaching of Fe 2 P/BC in catalytic reaction . Inorganic anions and humic acid brought only slight inhibition for BPAF removal, which could be overcome by prolonging reaction time to 30 min. Further mechanism studies indicated that reactive oxygen species , e.g., SO 4 - •, •OH and 1 O 2 were generated through both radical and non-radical pathways and contributed to BPAF degradation. After treatment by Fe 2 P/BC-PMS system, the total organic carbon (TOC) of original BPAF solution (20 mg L −1 ) was reduced by 51.6%. Fortunately, the residual degradation intermediate products showed much reduced ecotoxicity in both predicted (ECOSAR program) and experimental results (growth inhibition test using Raphidocelis subcapitata as ecological indicator).
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ENVIRONMENTAL POLLUTION
·
2023
·
IF 8.9
Rongqing Chen,Yunjia Liu,Jinlan Weng,Hua Huang,Xiaoying Gao,Zhipeng Wang,Jian Liu
The alteration of agricultural wastes into novel adsorbents can stimulate their scalability in realistic application, showing great economic and environmental advantages. Here, we proposed a strategy to engineer rice husk (RH) with microporous melamine-formaldehyde networks (MFNs) resins and the utilization for dynamic removal of organic micropollutants rapidly and efficiently. was pre-treated to acquire attractive surface and unique hierarchical porosity, endowing with surface functionalization and essential filtering properties. MFNs can be uniformly generated in-situ on the fully exposed cellulose backbones of the pre-treated RH. MFNs granules functionalized RH (RH@MFNs) exhibited high removal efficiencies over 90% within 30 min for the adsorption of hazardous organic compounds ( e.g., phenolic and antibiotic micropollutants) in static tests. Experiment results and density functional theory (DFT) simulation revealed that the synergy of hydrogen bonding, π-πinteraction, and micropore preservation dominates the adsorption. Further dynamic adsorption experiments showed that the removal efficiency and equilibrium removal capacity towards bisphenol A by RH@MFNs packed bed up-flow column were 2.6 and 67 times higher than that of raw RH, respectively. The column adsorption fits well with the Thomas model and bed depth service time (BDST) kinetic model. The inherent macropores inside RH and the roughness caused by the spiky structures and mesopores outside RH, as well as the accumulated MFNs granules, can lead to local turbulence of water flow around RH@MFNs, enabling fast and efficient adsorption. This sustainable and cost-effective preparation of RH-based adsorbents sheds light on the rational design of biomass waste adsorbents for realistic wastewater.
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