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Farahani H, Neshati J. Application of Nanocube-Functionalized Nitrogen-Doped Melamine Sponge for Dispersive Micro-Solid Phase Extraction (SPE) of Phenolic Compounds From Aquatic Media. ANAL LETT 2023. [DOI: 10.1080/00032719.2023.2191969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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Zhang X, Cui C, Zheng Q, Wang Y, Chang J, Wang S. Development of highly efficient and reusable magnetic nitrogen-doped carbon nanotubes for chlorophenol removal. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:37424-37434. [PMID: 33713266 DOI: 10.1007/s11356-021-13302-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 03/01/2021] [Indexed: 06/12/2023]
Abstract
Nitrogen-doped carbon nanotubes (N-CNTs) were synthesized via a hydrothermal method and further modified with magnetic Co0.5Cu0.5Fe2O4 nanoparticles following a one-pot solvothermal method. The characterization data show that the distribution of the magnetic materials and the adsorption characteristics of the CNTs can be tailored as a function of the N doping amount. The N-CNT adsorption isotherms as a function of N content and chlorophenol uptake show that a N doping level of 6% is optimum. After loading the N-CNTs with the magnetic Co0.5Cu0.5Fe2O4 nanoparticles (M-N-CNTs), the resulting materials were easily dispersed in aqueous media with specific surface area reaching 95.64 m2/g. The M-N-CNTs exhibit high affinities toward the adsorption of different chlorophenols following the order: Pentachlorophenol (PCP) > 2,4,6-trichlorophenol (2,4,6-TCP) > 2,4-dichlorophenol (2,4-DCP) > 2,4-dichlorophenoxyacetic acid (2,4-D) > phenol. Additionally, the M-N-CNTs exhibit good microwave absorption performance and can be regenerated by microwave irradiation with high efficiencies (> 90%) maintained with high stabilities.
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Affiliation(s)
- Xue Zhang
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao City, 266109, Shandong Province, China
| | - Chunyue Cui
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao City, 266109, Shandong Province, China.
| | - Qingzhu Zheng
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao City, 266109, Shandong Province, China
| | - Ying Wang
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao City, 266109, Shandong Province, China
| | - Jing Chang
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao City, 266109, Shandong Province, China
| | - Shuxian Wang
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao City, 266109, Shandong Province, China
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Asgharinezhad AA, Ebrahimzadeh H. A novel polymer coated magnetic porous carbon nanocomposite derived from a metal-organic framework for multi-target environmental pollutants preconcentration. J Chromatogr A 2020; 1634:461664. [DOI: 10.1016/j.chroma.2020.461664] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 10/27/2020] [Indexed: 01/10/2023]
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Ramadan MM, Mohamed MA, Almoammar H, Abd-Elsalam KA. Magnetic nanomaterials for purification, detection, and control of mycotoxins. NANOMYCOTOXICOLOGY 2020:87-114. [DOI: 10.1016/b978-0-12-817998-7.00005-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Cai T, Ma M, Liu H, Li J, Hou J, Gong B. Preparation of monodisperse magnetic surface molecularly imprinted polymers for selective recognition of lincomycin hydrochloride in milk. J LIQ CHROMATOGR R T 2019. [DOI: 10.1080/10826076.2019.1625372] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Tianpei Cai
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, China
| | - Meihua Ma
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, China
| | - Huachun Liu
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, China
| | - Jianmin Li
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, China
| | - Jiao Hou
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, China
| | - Bolin Gong
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, China
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Yao D, Zhang L, Huang J, Sun C, Zhang Y, Gu X, Wang CZ, Li F, Chen L, Yuan CS. A surface magnetic imprinted polymers as artificial receptors for selective and efficient capturing of new neuronal nitric oxide synthase-post synaptic density protein-95 uncouplers. J Pharm Biomed Anal 2018; 154:180-190. [PMID: 29550707 DOI: 10.1016/j.jpba.2018.03.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Revised: 03/01/2018] [Accepted: 03/02/2018] [Indexed: 02/06/2023]
Abstract
In this work, surface magnetic molecularly imprinted polymers (SMMIPs) were synthesized and used as artificial receptors in the dispersive magnetic solid phase extraction (DMSPE) for capturing potential neuronal nitric oxide synthase-post synaptic density protein-95 (nNOS-PSD-95) uncouplers, which is known as neuroprotection against stroke. Factors that affected selective separation and adsorption of the artificial receptors, such as the amount of template, the types of functional monomer and porogen solvents, and the molar ratio of template/functional monomer/cross-linker were optimized. The artificial receptors were also characterized using fourier transformed infrared, scanning electron microscope, thermal gravimetric analysis and physical property measurement systems. Multiple interactions between template and SMMIPs led to larger binding capacities, faster binding kinetics, quicker separation abilities and more efficient selectivity than the surface magnetic nonimprinted polymers (SMNIPs). The SMMIPs were successfully applied to capture potential nNOS-PSD-95 uncouplers from complex samples, and eight compounds were seized and confirmed rapidly when combined with HPLC and MS. The detection of the new nNOS-PSD-95 uncouplers ranged from 0.001 to 1.500 mg/mL with correlation coefficients of 0.9990-0.9995. The LOD and LOQ were 0.10-0.68 μg/mL and 0.47-2.11 μg/mL, respectively. The neuroprotective effect and co-immunoprecipitation test in vitro revealed that Emodin-1-O-β-d-glucoside, Rhaponticin, Gnetol and 2,3,5,4'-Tetrahydroxystilbene-2-O-β-d-glucoside have neuroprotective and uncoupling activities, and that they may be the new uncouplers of nNOS-PSD-95.
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Affiliation(s)
- Dandan Yao
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Lei Zhang
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Jiaojiao Huang
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Chenghong Sun
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Yu Zhang
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Xiaoli Gu
- Department of Pharmacy, The Second Affiliated Hospital of Nantong University, China
| | - Chong-Zhi Wang
- Tang Center for Herbal Medicine Research, and Department of Anesthesia & Critical Care, University of Chicago, Chicago, IL 60637, USA
| | - Fei Li
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Lina Chen
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China.
| | - Chun-Su Yuan
- Tang Center for Herbal Medicine Research, and Department of Anesthesia & Critical Care, University of Chicago, Chicago, IL 60637, USA
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Liu JM, Wei SY, Liu HL, Fang GZ, Wang S. Preparation and Evaluation of Core⁻Shell Magnetic Molecularly Imprinted Polymers for Solid-Phase Extraction and Determination of Sterigmatocystin in Food. Polymers (Basel) 2017; 9:E546. [PMID: 30965842 PMCID: PMC6418914 DOI: 10.3390/polym9100546] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 10/17/2017] [Accepted: 10/17/2017] [Indexed: 02/07/2023] Open
Abstract
Magnetic molecularly imprinted polymers (MMIPs), combination of outstanding magnetism with specific selective binding capability for target molecules, have proven to be attractive in separation science and bio-applications. Herein, we proposed the core⁻shell magnetic molecularly imprinted polymers for food analysis, employing the Fe₃O₄ particles prepared by co-precipitation protocol as the magnetic core and MMIP film onto the silica layer as the recognition and adsorption of target analytes. The obtained MMIPs materials have been fully characterized by scanning electron microscope (SEM), Fourier transform infrared spectrometer (FT-IR), vibrating sample magnetometer (VSM), and re-binding experiments. Under the optimal conditions, the fabricated Fe₃O₄@MIPs demonstrated fast adsorption equilibrium, a highly improved imprinting capacity, and excellent specificity to target sterigmatocystin (ST), which have been successfully applied as highly efficient solid-phase extraction materials followed by high-performance liquid chromatography (HPLC) analysis. The MMIP-based solid phase extraction (SPE) method gave linear response in the range of 0.05⁻5.0 mg·L-1 with a detection limit of 9.1 µg·L-1. Finally, the proposed method was used for the selective isolation and enrichment of ST in food samples with recoveries in the range 80.6⁻88.7% and the relative standard deviation (RSD) <5.6%.
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Affiliation(s)
- Jing-Min Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology & Business University (BTBU), Beijing 100048, China.
- Research Center of Food Science and Human Health, School of Medicine, Nankai University, Tianjin 300071, China.
| | - Shu-Yuan Wei
- Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Hui-Lin Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology & Business University (BTBU), Beijing 100048, China.
| | - Guo-Zhen Fang
- Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Shuo Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology & Business University (BTBU), Beijing 100048, China.
- Research Center of Food Science and Human Health, School of Medicine, Nankai University, Tianjin 300071, China.
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Tang C, Tan J. Determination of Chlorophenols in Sewage Sludge and Soil by High-Performance Liquid Chromatography–Tandem Mass Spectrometry with Ultrasonic-Assisted and Solid-Phase Extraction. ANAL LETT 2017. [DOI: 10.1080/00032719.2017.1327537] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Caiming Tang
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jianhua Tan
- Guangzhou Quality Supervision and Testing Institute, Guangzhou, China
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, China
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