Journal of Environmental Chemical Engineering
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2025
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IF 7.2
Yuhui Xue,Changyan Guo,Jingjing Wang,Xueli Yang,Meng Wang,Jide Wang
The overuse of antibiotics poses a serious threat to the ecosystem. In particular, antibiotic residues in the aquatic environment are particularly serious. Therefore, preparation of efficient adsorbents for removing trace antibiotic residues from the environment becomes essential. In this work, a series of magnetic porous carbon material (Fe-MPC-gly) derived from MIL-101, which was regulated by glycine, were prepared by high temperature calcination for the adsorption of trace sulfonamide antibiotics (SAs) in water. The morphology of MIL-101 was found to gradually change from a regular ortho-octahedron to an acicular spindle with the increase as the glycine content increased. The results of adsorption experiments showed that Fe-MPC-gly-2 had the best adsorption effect on SAs. In particular, the adsorption of Fe-MPC-gly-2 on SAs could reach the adsorption equilibrium in 5 min, and the maximum adsorption amounts were 50.0 mg·g −1 and 38.2 mg·g −1 for sulfameter and sulfachloropyridazine, respectively. The adsorption kinetic model was best fitted to the quasi-first-order kinetic model. The possible adsorption mechanisms were pore filling, hydrogen bonding and π-π interactions. Meanwhile, the synthetic strategy of this study provides an idea for the preparation of efficient adsorbents for antibiotics.
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高影响因子
JOURNAL OF CHROMATOGRAPHY A
·
2025
·
IF 4
Liangliang Peng,Yao Yao,Meiqi Li,Xingtong Ji,Jinbo Cao,Jiaming Zhang,Fusheng Zhong,Xixiang Yang,Xiaogang Hu
Zearalenone (ZEN), a mycotoxin produced by fungi of the genus Fusarium , is widely present in animal feeds and human foods, posing a serious hazard to human health. Herein, a zearalenone aptamer-functionalized magnetic metal-organic framework material (ZEN-Apt@MMIL-100(Fe)) was constructed and applied for the rapid enrichment of ZEN, coupled with high-performance liquid chromatography (HPLC) for ultrasensitive detection. By a self-templating method, magnetic MIL-100(Fe) was formed by self-assembly of sodium citrate-modified Fe 3 O 4 particles as nuclei with homobenzoic acid, which was bonded to amino-modified zearalenone nucleic acid aptamer via amide reaction to realize a specific recognition function. The magnetic dispersive solid-phase extraction and HPLC method was established using this material, with the linear range of 5 to 200 μg/L ( R 2 = 0 . 997) and the limit of detection of 2.92 μg/L. The method was applied to detect ZEN in maize and wheat samples, with spiked recoveries ranging from 81.7% to 98.2% at spiking levels of 25 μg/L, 50 μg/L, and 100 μg/L. The method is able to realize the selective and rapid enrichment and detection of trace ZEN in wheat and maize through the synergistic action of aptamer-specific recognition and magnetic MOFs, which provides a sensitive and reliable analytical strategy for food security monitoring.
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高影响因子
APPLIED SURFACE SCIENCE
·
2024
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IF 6.3
Jiming Huang,Runqing Liu,Hangdao Qin,Fan Wu,Lei Guo,Wei Shi,Ping Xue,Sizhan Wu,Guiying Zhang,Zhengbang Wang
Developing S-scheme photocatalysts with excellent catalytic activity and convenient retrieval is highly desirable for wastewater purification. Herein, a novel S-scheme MIL-101(Fe)/WO 3 heterojunction on carbon cloth is successfully synthesized via a facile solvothermal approach. The optimized MIL-101(Fe)/WO 3 composite (MWC-1.5) has been found to be highly effective in activating peroxymonosulfate (PMS) and then degrading tetracycline hydrochloride (TC-HCl) with a 100% degradation rate when exposed to visible light (Vis) within a period of 20 min. Such MWC-1.5/PMS/Light system also shows stable cycling performance and good recyclability. The remarkable photocatalytic degradation performance is mainly attributed to the powerful intrinsic electric field that accelerates the separation of photogenerated charge carriers via the S-scheme charge transfer. Radical quenching experiments and electron paramagnetic resonance (EPR) results suggest that SO 4 – and OH are the major oxidizing substances in the photocatalytic processes. Three potential degradation pathways are deduced based on an in-depth analysis of the degradation intermediates and the degradation mechanism is also elucidated through a rational combination of the experimental studies and theoretical calculations. This novel hybrid photocatalyst system has been shown to be a promising strategy for environmental remediation, while also suggesting a feasible approach for the development of photocatalysts with both remarkable activity and stability.
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高影响因子
MICROCHEMICAL JOURNAL
·
2024
·
IF 4.9
Yan Chen,Xiaojuan Yang,Zhonggang Liu,Guohua Liu,Zheng Guo
Resolving the issue of poor conductivity and easy aggregation of MOFs is recognized as one important factor for their successful applications in electrochemical sensors and electrocatalysis. In this work, we propose an assembly of NH 2 -MIL-101(Fe) onto a nanoporous gold (NPG) microelectrode surface. The nanoporous gold could greatly improve the conductivity and reduce the aggregation of NH 2 -MIL-101(Fe). The proposed NH 2 -MIL-101(Fe)/NPG microelectrode was developed for the electroanalysis of ascorbic acid (AA) and uric acid (UA). It exhibited excellent electrochemical performance for the individual and simultaneous sensing of AA and UA in a 0.1 M PBS solution (pH 7.4). High sensitivities (2.03 μA μM −1 cm −2 for AA; 29.30 μA μM −1 cm −2 for UA) were achieved in the simultaneous analysis process. The improved electrochemical performance was attributed to the electrocatalytic properties and large specific surface area of NH 2 -MIL-101(Fe)/NPG, as well as the electrostatic interaction between NH 2 -MIL-101(Fe) and analytes. Moreover, the NH 2 -MIL-101(Fe)/NPG microelectrode was successfully used for the simultaneous detection of AA and UA in complicated environment (human sweat and advanced DMEM). This work shows great promise for the simultaneous detection of AA and UA and extends the applications of MOFs in electrochemical devices.
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FOOD CHEMISTRY
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2024
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IF 8.5
Rui Cheng,Yiqun Wan,Xuejin Mao,Hao Wan,Fan Liu,Lan Guo,Bingzhen Zhang
This work presents an efficient sorbent for plant growth regulators (PGRs) by regulating the defects of a metal–organic framework MIL-101(Cr). Using the regulated MIL-101(Cr), we developed a simple and effective method for the simultaneous determination of eleven PGRs in fresh fruit juice. The extraction conditions were optimized by an orthogonal array design. Under optimal conditions, the method showed a satisfactory limit of detection (0.1–1.2 ng/g), recovery rates (83.4–110.2 %), and precision (2.9–18.0 % for intra-day and 2.7–10.8 % for inter-day), as well as a greatly suppressed matrix effect. Notably, regulating the defects significantly enhanced the desorption of PGRs on MIL-101(Cr). The sorbent didn’t need to be destroyed to release the adsorbed PGRs and could be reused at least 6 times. Furthermore, the defects of MIL-101(Cr) and interactions between the sorbent and PGRs were studied by TGA, ATR-IR, XPS, NH 3 -TPD and UV–Vis DRS.
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高影响因子
Materials Today Communications
·
2024
·
IF 3.7
Peihang Shen,Zelong Liu,Yibo Zhang,Zelin Meng,Mingyang Song,Heming Zhao,Jianglei Hu,Fengwei Shi
Vinyl-functionalized SBA-15 was synthesised using a one-pot co-condensation method followed by carboxylation via nitric acid, with the intermediate product named SBA-15C. MIL-68 was then synthesised in-situ by adsorption of Al 3 + ions via carboxylate groups on SBA-15C to give the composite xMIL-68(Al)@SBA-15C. A series of characterizations were conducted by Fourier transform infrared spectroscopy, Brunner-Emmet-Teller measurements, X-ray diffraction, X-ray photoelectron spectroscopy, Scanning electron microscope, and Transmission Electron Microscope. xMIL-68(Al)@SBA-15C maintained robust catalytic performance in the NaBH 4 -mediated reduction of 4-nitrophenol to 4-aminophenol, with no significant decrease in activity after five cycles of reuse.
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高影响因子
EUROPEAN JOURNAL OF PHARMACOLOGY
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2021
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IF 4.432
Jun Yan,Qizhen Zhuang,Zhenzhen Li,Yujuan Xiong,Min He,Cunmin Kang,Qiaoxuan Zhang,Liqiao Han,Enyu Liang,Hongcan Liu,Peifeng Ke,Xianzhang Huang
Natural products are a large source of clinically effective antitumor drugs . Millepachine, a natural product derived from leguminous plants, was reported to display antitumor activity . In this study, the novel compound, (1H-indol-5-yl) (5-methoxy-2,2-dimethyl-2H-chromen-8-yl)methanone (MIL-1), was designed and synthesized by fusing millepachine and indole rings. MIL-1 exerted much better antitumor activity than millepachine, manifesting as a 24- to 201-fold increase in vitro cytotoxicity and a 2.4-fold increase in in vivo antitumor activity in hepatocellular cell lines-derived models. The immunofluorescence and HPLC detection revealed that MIL-1 was a potent microtubule targeting agent by interfering with the equilibrium of tubulin-microtubule dynamics and irreversibly binding to tubulin. MIL-1 displayed remarkable antitumor activity with an IC 50 of 31–207 nM towards various human cancer cell lines derived from various organs and tissues, and it exerted no evidence of toxicity against normal cells. Mechanistic studies showed that MIL-1 arrested the cell cycle at G2/M phase and induced apoptosis by activating caspase-3 activity and reactive oxygen species (ROS) accumulation. Moreover, the superior antitumor effect of MIL-1 is worthy of further detailed study for the treatment of hepatocellular carcinoma (HCC).
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PubMed
高影响因子
IONICS
·
2026
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IF 3.4
Luo Zhangyang,Yuan Mao,Zhao Peng,Yang Xulin,Zhang Qian
Electrochemical water electrolysis has become a prominent strategy to produce H2 and O2 from renewable sources. Herein, the unique CeO2/Fe3O4-0.2 composite with spindle morphology was synthesized through a hydrothermal and high-temperature calcination method. The CeO2 exhibit a variable chemical valence of Ce4+/Ce3+ and generate much oxygen vacancies through redox reactions. The synergy effect between Fe3O4 and CeO2 leads to increase the number of active sites, accelerate the charge transfer process, and enhance the interface between the electrode and electrolyte. The CeO2/Fe3O4-0.2 displays a low overpotential of 305 mV for oxygen evolution reaction (OER) and 73 mV for the hydrogen evolution reaction (HER) at 10 mA cm-2 in 1 M KOH. Additionally, this composite catalyst exhibits outstanding durability and only a slight potential change observed over 100 h for OER. The cell voltage of electrolysis electrolyzer using CeO2/Fe3O4-0.2 as both anode and cathode is 1.56 V to drive 10 mA cm-2. This research effort delivers a complete advantage for the development of cost-effective and highly active bifunctional catalysts for overall water splitting.
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RSC Advances
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2018
·Vol. 8
·期 22
·12459-12470
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IF 2.936
Minghua Wang,Longyu Yang,Jinyun Yuan,Linghao He,Yingpan Song,Hongzhong Zhang,Zhihong Zhang,Shaoming Fang
A series of bismuth sulfide (Bi2S3) nanorods and amine-functionalized Ti-based metal–organic framework heterojunctions [denoted by Bi2S3@NH2-MIL-125(Ti)] were constructed and explored as bifunctional photocatalysts for Cr(VI) reduction and rhodamine B (RhB) degradation under visible light illumination. Compared with the individual NH2-MIL-125(Ti) and Bi2S3, the as-synthesized Bi2S3@NH2-MIL-125(Ti) photocatalyst exhibited an enhanced photocatalytic activity toward Cr(VI) and RhB owning to the synergetic effect between Bi2S3 and NH2-MIL-125(Ti). Moreover, the Bi2S3@NH2-MIL-125(Ti) heterojunctions showed increased Cr(VI) removal efficiency by adding RhB in the system. The photocatalytic mechanism was proposed based on the analysis of different scavenger for active species and electron spin resonance spectrometry. The introduction of Bi2S3 into NH2-MIL-125(Ti) can extend the light adsorption and improve the transfer and separation of photogenerated charge carriers through the Bi2S3@NH2-MIL-125(Ti) heterojunction with unique band gap structure. The synthesized Bi2S3@NH2-MIL-125(Ti) photocatalyst also exhibited good reusability and stability.
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高影响因子
International Journal of Environmental Research and Public Health
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2022
·Vol. 20
·期 1
·715
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IF 4.614
Gege Wu,Jiping Ma,Chenxi Wei,Shuang Li,Jinhua Li,Xiaoyan Wang,Lingxin Chen
Metal organic framework based mixed matrix membranes (MOF-MMMs) were synthesized and applied for dispersive membrane extraction (DME) of four neonicotinoid insecticides (nitenpyram, thiacloprid, imidacloprid, and acetamiprid) in environmental water, combined with high performance liquid chromatography (HPLC) for determination. Several experimental conditions were optimized in detail, involving dosage percentage of MOF, extraction time, sample pH, salinity, type and volume of eluent, and elution time. High sensitivity with limits of detection and quantification were achieved as 0.013–0.064 μg L−1and 0.038–0.190 μg L−1, respectively, and good precision with relative standard deviations were obtained as 3.07–12.78%. The proposed method has been successfully applied to determine four neonicotinoid insecticides in tap water, surface water, and seawater, satisfactory recoveries of spiked water samples were between 72.50 and 117.98%. Additionally, the MOF-MMMs showed good reusability with the extraction efficiencies almost remaining stable after 14 cycles. The MOF-MMMs based DME followed by the HPLC method can be a promising utility for the determination of neonicotinoid insecticides in environmental water samples, with high sensitivity and convenient operation.Keywords:metal-organic framework;neonicotinoid insecticides;dispersive membrane extraction;high performance liquid chromatography;environmental analysis
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高影响因子
Journal of Materials Chemistry A
·
2018
·Vol. 6
·期 42
·21029-21038
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IF 9.931
Liang Zhang,Jing Wang,Xinyi Ren,Wentao Zhang,Tianshu Zhang,Xinnan Liu,Ting Du,Tao Li,Jianlong Wang
The excessive accumulation of toxic copper species makes it imperative to develop smart dual-functional materials for the simultaneous removal and detection of Cu(II) in drinking water. In this work, novel core–shell NH2-MIL-101(Al)@ZIF-8 nanoflowers were successfully fabricated via an internal extended growth mode under the regulation of polyvinylpyrrolidone (PVP) to achieve this goal. Benefiting from the specific affinity of imidazole nitrogen in ZIF-8 toward Cu(II), the resultant NH2-MIL-101(Al)@ZIF-8 shows high adsorption capacity (526.74 mg g−1). Moreover, the fluorescence of NH2-MIL-101(Al) shows a Cu(II)-dependent change, causing this composite to possess superior selective/sensitive detection with a broad linear range (1.5–625 μM) and a low detection limit (0.17 μM) for Cu(II). Specifically, the hybrid MOF@MOF structure provides greater sensitivity as compared to the individual constituent (pristine NH2-MIL-101(Al)) and the mixed state, which is ascribed to the rational optimization of the smart adsorbent based on the following two aspects. (i) The synergistic effect of the core–shell nanostructure improves the preconcentration ability at the interface between single MOFs. (ii) The existence of the three-dimensional hierarchical nanoflower architecture (structure optimization) accelerates the mass transport and sculpts the final composite with enhanced adsorption and detection ability. These indicate that the smart NH2-MIL-101(Al)@ZIF-8 nanoflower could be an excellent candidate for the synchronous remediation and selective detection of Cu(II) in aqueous systems, which could be potentially useful in wastewater treatment and water quality monitoring.
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高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2022
·Vol. 33
·期 17
·14228-14239
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IF 2.779
Liu Jieling,Yang Jiaji,An Shuyue,Wen Meiqi,Wang Xian,Gong Rongzhou,Nie Yan
Metal-organic framework (MOF) crystals have promising applications in a number of different fields, but the growth of MOF crystals with controllable morphology and high uniformity remains a major challenge. By taking the advantage of the synergistic effects of water molecules in the mixed solvent and polyvinylpyrrolidone (PVP) surfactants, this work demonstrates an approach for the preparation of NH 2 -MIL-88B(Fe) MOF crystals with both highly customizable size and aspect ratios and high uniformity. The effects of the concentration of water in the mixed solvent and the amount of PVP surfactants on the morphology and size of the MOF crystals were investigated. The morphology and crystalline properties were characterized by scanning electron microscopy and X-ray diffraction techniques. The data showed that through controlling the concentration of water in the solvent and the amount of the PVP surfactant, the size of the MOF crystals can be tuned rather widely, over 344–5.14 μm, while the aspect ratio of the crystals can be varied widely over 1.0–7.1. Possible mechanisms for such high tunability were discussed. As an example of potential applications, the complex permeability and permittivity of MOF-derived composites (25 wt%) were measured over a wide frequency range of 2–18 GHz. The parameters were then used to evaluate the potential for electromagnetic wave absorption. The results indicate that the composite with a thickness of only 1.2 mm exhibits a “− 10 dB” absorption bandwidth of 4.1 GHz and a minimum reflection of − 20 dB. Such bandwidth and reflection properties provide inspiration for future design of lightweight, broadband electromagnetic wave absorbers from the perspective of fine morphology control.
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