SENSORS AND ACTUATORS B-CHEMICAL
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2024
·
IF 8
Siqi Wei,Renjie Li,Ling Li,Dan Huang,Li Wu,Xiandeng Hou
The development of a rapid and accurate assay for the detection of biothiols is critical for early diagnosis and prevention of diseases. Herein, we report that the preparation of photoinduced defective MIL-100-NH 2 (PID-MIL-100-NH 2 ) with oxygen vacancy defects as a surface-enhanced Raman scattering (SERS) substrate by high-energy light irradiation. The substrate exhibited excellent SERS activity to Cys, Hcy and GSH with limits of detection (LODs) as low as 30, 23 and 18 nM, respectively, notably lowering the detectable concentration by at least 10 5 times compared to the Au NP substrate. Such superior SERS activity is attributed to the energy level matching of the PID-MIL-100-NH 2 substrate and the biothiol molecules, which results in efficient multiple charge-transfer resonances, such as photoinduced charge-transfer (PICT), ground-state charge-transfer (GSCT), and exciton resonances. Making good use of the rich fingerprint information, selective identification and simultaneous quantitation of biothiols in complex biological environment can be achieved. Trace biothiols in human serum samples have been successfully determined using this method. This work provides a feasible strategy to construct efficient charge-transfer resonances, enabling high-performance direct SERS sensing of biological small molecules.
研究领域:
分析化学
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材料科学
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生物医学工程
·
纳米技术
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DOI
高影响因子
TALANTA
·
2012
·
IF 3.794
Lin Fan,Xiu-Ping Yan
Isostructural metal–organic frameworks (MOFs) MIL-100(Fe) and MIL-100(Cr), which have identical organic linker and Mobil Thirty-Nine zeolitic type, but different metal ions , were exploited as stationary phases for capillary gas chromatographic separation of alkane isomers. MIL-100(Fe) coated capillary column showed great capability and high efficiency for the gas chromatographic separation of alkane isomers without the need of temperature-programming, while MIL-100(Cr) coated capillary column gave poor performance for the separation. The separation performance of MIL-100(Fe) coated capillary column was even better than commercial HP-5MS and GS-GasPro capillary columns. The determined McReynolds constants, adsorption enthalpies and entropies showed that MIL-100(Fe) coated capillary column gave relatively weaker interaction with alkane isomers than MIL-100(Cr) coated capillary column. The relative standard deviations of repeatability for C7 alkane isomers on MIL-100(Fe) coated capillary column were 0.06–0.16%, 1.1–1.5%, 2.8–3.0% and 2.1–2.4% for retention time, half peak width, peak height and peak area, respectively.
研究领域:
化学
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材料科学
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产品关联
DOI
PubMed
高影响因子
MOLECULES
·
2019
·Vol. 24
·期 7
·1211
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IF 3.06
Gongsen Chen,Xin Leng,Juyuan Luo,Longtai You,Changhai Qu,Xiaoxv Dong,Hongliang Huang,Xingbin Yin,Jian Ni
A MIL series metal‒organic framework (MOF), MIL-100(Fe), was successfully synthesized at the nanoscale and fully characterized by TEM, TGA, XRD, FTIR, DLS, and BET. A toxicological assessment was performed using two different cell lines: human normal liver cells (HL-7702) and hepatocellular carcinoma (HepG2). In vitro cytotoxicity of MIL-100(Fe) was evaluated by the MTT assay, LDH releasing rate assay, DAPI staining, and annexin V/PI double staining assay. The safe dose of MIL-100(Fe) was 80 μg/mL. It exhibited good biocompatibility, low cytotoxicity, and high cell survival rate (HL-7702 cells’ viability >85.97%, HepG2 cells’ viability >91.20%). Therefore, MIL-100(Fe) has a potential application as a drug carrier.Keywords:MIL-100(Fe);in vitro toxicity;HL-7702 cells;HepG2 cells
研究领域:
材料科学
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毒理学
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生物医学工程
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产品关联
DOI
PubMed
高影响因子
LANGMUIR
·
2022
·
IF 4.331
Rutong Song,Jun Yao,Mei Yang,Zhongbin Ye
Metal–organic frameworks (MOFs), especially Fe-MOFs, have shown prospective application in eliminating organic dyes from wastewater due to their well-developed pores, water stability, easy preparation, and economy. Herein, we synthesized four types of Fe-MOFs (such as MIL-88A, MIL-88B, MIL-100, and MIL-101) using the hydrothermal method. The products were analyzed with several methods. By comparing the adsorption effect of those four types of Fe-MOFs on three kinds of dyes, it has been shown that MIL-100 owns the best adsorption efficiency on cationic organic dyes methylene blue (MB) and Rhodamine B (RhB) in 180 min, while all MOFs have slight removal capacity on methyl orange (MO). MIL-100, as an adsorbent, was studied under various research conditions, and the maximum removal efficiencies to MB, RhB, and MO were found to be up to 97.36%, 88.75%, and 13.00%, respectively. Furthermore, cationic dye MB’s removal by MIL-100 was fitted with a pseudo-second-order model and Langmuir isotherm model (Qm = 411.041 mg/g) by adsorption kinetics and isotherms research, and MIL-100 could rapidly and selectively divide MB from a binary complex aqueous solution of MB and MO. The as-fabricated MIL-100 also exhibited excellent recyclability after four adsorption–desorption recycles and can be treated as a potential substance with high removal efficiency of cationic organic dye-containing industrial effluents.
研究领域:
环境科学
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材料科学
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DOI
PubMed
高影响因子
Chemistry-An Asian Journal
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2020
·Vol. 16
·期 1
·64-71
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IF 4.056
Tao Zhao,Dong Wang,Chen Cheng,Dazhong Zhong,Genyan Hao,Guang Liu,Jinping Li,Qiang Zhao
Graphical A ZIF@MIL heterostructure was successfully prepared by an in situ solvothermal method. Compared to pure ZIF-67 and MIL-100, the heterostructure possesses a larger electrochemical surface area and exhibits a remarkable catalytic performance with a low overpotential of 232 mV and a small Tafel slope of 57 mV dec −1 at 10 mA cm −2 . Although metal-organic frameworks have proven to be excellent electrocatalytic materials, their application as electrode materials remains limited. The preparation of heterostructures is considered an effective method to improve catalytic activity. Herein, we describe the design and assembly of a dual-MOF heterostructure (CoNi−ZIF-67@Fe−MIL-100, denoted ZIF@MIL). Specifically, we grew a layer of MIL-100 in situ on a bimetallic ZIF-67 surface using a solvothermal method. We demonstrate that the ZIF@MIL has remarkable OER electrocatalytic performance, requiring a low overpotential and showing a small Tafel slope, compared to pure ZIF-67 and MIL-100 in 1.0 m KOH. More importantly, it has excellent operational durability for 50 h at 100 mA cm −2 . The high catalytic activity of ZIF@MIL can be attributed to the heterostructure that can expose more active sites, the synergistic effect between ZIF-67 and MIL-100, and improvement of electron transfer ability. Our work provides a new way to design and prepare dual-MOF crystals with different structures as electrocatalysts.
研究领域:
材料科学
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电化学
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产品关联
DOI
PubMed
高影响因子
JOURNAL OF CHROMATOGRAPHIC SCIENCE
·
2017
·Vol. 55
·期 6
·662-668
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IF 0.984
Ma Xiaowei,Feng Fan,Yang Yang,Dang Xueping,Huang Jianlin,Chen Huaixia
Fe3O4@MIL-100 (MIL, Material Institut Lavoisier) core–shell magnetic microspheres were prepared and applied as the sorbent for the magnetic solid phase extraction (MSPE) of N,N-diethyl-m-toluamide (DEET) in baby toilet water for the first time. The synthesized magnetic metal–organic frameworks were characterized by transmission electron microscope, infrared spectroscopy and thermogravimetric analysis. The functionalized magnetic microparticles showed excellent dispersibility in aqueous solution. The MSPE conditions were investigated in detail. Under the optimized conditions, an MSPE–high performance liquid chromatography method for the determination of DEET was developed. The method was linear in the concentration range from 5 to 500 μg L−1 for DEET in baby toilet water and good linearity (r2 > 0.9998) was obtained for the calibration curve. The limit of detection was 1.5 μg L−1. Both the intra-day and inter-day precisions (relative standard deviations) were <3%.
研究领域:
分析化学
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环境科学
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材料科学
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DOI
PubMed
高影响因子
ELECTROCHIMICA ACTA
·
2024
·
IF 5.5
Menghang Sun,Xinyu Zhou,Lili Li,Bo Wen,Yunzi Miao,Xiaofeng Liu,Wei Yan,Guorui Yang,Shujiang Ding
Recycling spent cathode materials is crucial for sustainably developing lithium-ion battery technology. To achieve the high-value utilization of spent LiFePO 4 (LFP) cathodes, this paper proposes a method for preparing MIL-100(Fe) based on solid waste residues from spent LFP cathodes. R-FeS 2 @C derived from MIL-100(Fe) can serve as an anode material for potassium-ion batteries featuring a porous structure. Electrochemical tests demonstrate that the R-FeS 2 @C exhibits more stable cycling performance compared with the FeS 2 @C derived from the traditional MIL-100(Fe), reaching 525 mAh g −1 after 100 cycles at a current density of 100 mA g −1 . Impressively, R-FeS 2 @C also showcases excellent rate performance (343 mAh g −1 specific capacity at 5 A g −1 ). Furthermore, full cells assembled with PI@rGO cathodes also exhibit excellent rate performance and stable cycling performance. The porous structure of R-FeS 2 @C provides numerous voids to accommodate volume changes and introduces sufficient channels for electrolyte penetration. The higher carbon content enhances the electrical conductivity improving the kinetics of the K + migration reaction. These researches can provide guidance for the recycling of spent lithium-ion batteries and the design of sulfide electrodes for PIBs.
研究领域:
材料科学
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能源存储技术
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环境工程
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产品关联
DOI
高影响因子
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
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2015
·Vol. 641
·期 5
·792-796
·
IF 1.16
Zhongshang Dou,Jianfeng Cai,Yuanjing Cui,Jiancan Yu,Tifeng Xia,Yu Yang,Guodong Qian
Continuous and intergrown metal-organic framework (MOF) membranes, MIL-100(In) (MIL represents Materials Institute Lavoisier), were prepared directly on porous anodic alumina oxide (AAO) membranes using an in situ crystallization method. The pore surface of MIL-100(In) is conferred with polarity due to the presence of the 1, 3,5-benzenetricarboxylic acid. The thickness of MIL-100(In) membranes was tuned by varying the reactant concentration of indium chloride and 1, 3,5-benzenetricarboxylic acid. Single gas permeation measurements on this MOF membrane indicate the large permeances of 0.90 × 10 –6 and 0.81 × 10 –6 mol · m –2 ·s –1 ·Pa –1 for CO 2 and CH 4 , and relatively high ideal selective factors of 3.75 and 3.38 for CO 2 /N 2 and CH 4 /N 2 , respectively.
研究领域:
材料科学
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化学工程
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产品关联
DOI
高影响因子
Catalysts
·
2026
·Vol. 16
·期 9
·807
·
IF 4.5
Fukun Bi,Rong Qiao,Jiahao Xu,Yuzhe Lu,Jiafeng Wei,Yaofei Zhang,Xiaodong Zhang
The development of highly efficient catalysts is important for the photothermal catalytic oxidation of volatile organic compounds (VOCs). Herein, MIL-100(Fe) was used as the sacrificial template to prepare MnFeOxcatalysts with different Mn contents through the impregnation–calcination method, and their performance in photothermal catalytic oxidation of toluene was investigated. The results show that the content of Mn significantly affects the crystal phase structure, pore properties, surface chemical state, and optical response of the catalyst. Among them, 30%MnFeOxexhibits the best photothermal catalytic activity, with T50and T90being 211 and 237 °C, respectively, which are significantly lower than those of FeOx(232 and 260 °C). Characterization results suggested that the introduction of Mn caused the bandgap of FeOxto decrease from 1.96 to 1.67 eV. Meanwhile, the surface Fe2+, adsorbed oxygen (Oads) species, and oxygen vacancies were increased, enhancing visible light absorption and gaseous oxygen species adsorption and activation, which promoted the photothermal catalytic oxidation of toluene. Additionally, the 30%MnFeOxcatalyst presented good thermal stability and water resistance. Furthermore, during the reaction process, the in situ activation of the catalyst’s surface induced the increase in surface Fe2+, Mn3+,and Oadsspecies, which enhances the photothermal catalytic activity of the catalyst. Importantly, the in situ DRIFTS results further indicate that toluene is mainly oxidized along the path of toluene → benzyl alcohol → benzoate → maleic anhydride → CO2and H2O. This work provides a theoretical basis for the construction of low-cost, non-precious-metal Mn–Fe-based photothermal catalysts.
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DOI
高影响因子
FOOD CHEMISTRY
·
2025
·
IF 9.8
Shan Huang,Danyu Lv,Yuhuan Geng,Fuhao Yue,Xinan Zeng,Mengwai Woo,Zhong Han,Ji Ma
Malachite green (MG) is a toxic contaminant commonly found in aquaculture, making its effective removal and detection crucially important. In this study, MIL-100(Fe) was synthesized via a microwave-assisted hydrothermal method under optimized conditions (150 °C, 200 W, 30 min; FeCl₃·6H 2 O:H₃BTC = 2:3). The resulting material exhibited excellent structural stability, a high specific surface area (1169.9 m 2 /g), and a remarkable MG adsorption capacity of 714.29 mg/g. To enable practical application and reusability, MIL-100(Fe) was immobilized onto a melamine sponge (MeS) using polyvinylidene fluoride (PVDF) as binding agent, forming a recyclable MeS/PVDF/MOF composite. When applied for solid-phase extraction of MG in conjunction with UV detection, the composite demonstrated high recovery rates (92.1–99.4 %), a low detection limit (2.29 μg/L), and consistent performance with over 80 % recovery after six reuse cycles in both real fish and wastewater samples. This study presents a simple, efficient and sustainable strategy for the adsorption and detection of MG in aquatic food matrices.
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产品关联
DOI
PubMed
高影响因子
Environmental Science-Nano
·
2020
·Vol. 7
·期 7
·2087-2101
·
IF 7.683
Ibrahim Abdelhai Senosy,Zhi-Heng Lu,Talat Mahmoud Abdelrahman,Mei-Nan Ou Yang,Hao-Ming Guo,Zhong-Hua Yang,Jian-Hong Li
Environmental water contaminated with pesticides, especially fungicides, is a persistent problem worldwide with grave public health consequences. Existing methods of removing fungicides often cannot address the problem quickly and economically. In the current work, a novel β-cyclodextrin modified Fe3O4@MIL-100(Fe) composite (Fe3O4@MIL-100(Fe)/β-CD) was synthesized and utilized as an adsorbent for the removal of fungicides from environmental water. Characterization of the adsorbent revealed that β-CD had been successfully tethered to the shell of Fe3O4@MIL-100(Fe) via tetrafluoroterephthalonitrile as a cross-linker. The main parameters which could affect the adsorption efficiency were investigated, such as the amount of adsorbent, pH value of the solution, adsorption equilibrium time, and ionic strength. The adsorption performance of Fe3O4@MIL-100(Fe)/β-CD was assessed, and the β-CD modified surface exhibited high adsorption capacities for triazole fungicides. Moreover, the regeneration of the adsorbent was explored across 5 successive cycles, and the results indicated excellent stability. Finally, the proposed material was successfully applied to the removal of four fungicides in real environmental water samples, and the adsorption efficiencies ranged from 64.52 to 102.10 mg g−1. Compared with other materials, Fe3O4@MIL-100(Fe)/β-CD displayed outstanding adsorption capacity and a short adsorption equilibrium time, and it could offer a new platform for the removal of trace triazole fungicides in complicated matrices.
研究领域:
环境科学
·
材料科学
✓ 已验证
产品关联
DOI
高影响因子
Analytical Chemistry Letters
·
2026
·
IF 1.6
Hongbo Zhao,Zixuan Wang,Xiaoyan Duan,Lingchun Wei,Ganghui Chu
Estradiol (E2) is a steroid hormone that has garnered widespread global attention as an emerging pollutant due to its potential to cause endocrine disruption in organisms upon concentration changes. This experiment achieves highly efficient detection of estradiol based on screen-printed electrodes (SPEs) and a graphene (GPE)/MIL-100(Fe) composite material. The GPE/MIL- 100(Fe) composite, characterized by a rich porous structure, was synthesized via a hydrothermal method, and the modified electrode was prepared using the drop-coating technique. The GPE/MIL-100(Fe) composite was characterized by SEM, XRD, FTIR, and XPS to confirm its structure, composition, and properties. Cyclic voltammetry (CV), differential pulse voltammetry (DPV), and chronoamperometry (CA) were employed to enable continuous monitoring of estradiol in liquid environments. The modified electrode demonstrated significant electrocatalytic activity, exhibiting high sensitivity within a linear range of 2.0 nmol/ mL to 140 nmol/mL, with a practical detection limit (LOD) of 0.002 μmol/mL. The innovation of this study lies in leveraging the synergistic effect of GPE/MIL-100(Fe) to enhance the detection performance for estradiol. In the detection of actual samples such as urine (spiked recovery rate: 103.3% -110.9%) and pond water (spiked recovery rate: 96.7% -110.0%), clear characteristic peaks and good sensitivity for estradiol were observed.
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DOI
高影响因子
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