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New Acetamidine Cu(II) Schiff base complex supported on magnetic nanoparticles pectin for the synthesis of triazoles using click chemistry. Sci Rep 2022; 12:3771. [PMID: 35260647 PMCID: PMC8904776 DOI: 10.1038/s41598-022-07674-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 02/14/2022] [Indexed: 11/09/2022] Open
Abstract
In this project, the new catalyst copper defines as Fe3O4@Pectin@(CH2)3-Acetamide-Cu(II) was successfully manufactured and fully characterized by different techniques, including FT-IR, XRD, TEM, FESEM, EDX, VSM, TGA, and ICP analysis. All results showed that copper was successfully supported on the polymer‐coated magnetic nanoparticles. One of the most important properties of a catalyst is the ability to be prepared from simple materials such as pectin that’s a biopolymer that is widely found in nature. The catalytic activity of Fe3O4@Pectin@(CH2)3-Acetamide-Cu(II) was examined in a classical, one pot, and the three-component reaction of terminal alkynes, alkyl halides, and sodium azide in water and observed, proceeding smoothly and completed in good yields and high regioselectivity. The critical potential interests of the present method include high yields, recyclability of catalyst, easy workup, using an eco-friendly solvent, and the ability to sustain a variety of functional groups, which give economical as well as ecological rewards. The capability of the nanocomposite was compared with previous works, and the nanocomposite was found more efficient, economical, and reproducible. Also, the catalyst can be easily removed from the reaction solution using an external magnet and reused for five runs without reduction in catalyst activity.
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Ghamari Kargar P, Bagherzade G. Robust, highly active, and stable supported Co(ii) nanoparticles on magnetic cellulose nanofiber-functionalized for the multi-component reactions of piperidines and alcohol oxidation. RSC Adv 2021; 11:23192-23206. [PMID: 35479769 PMCID: PMC9036309 DOI: 10.1039/d1ra00208b] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 05/27/2021] [Indexed: 12/31/2022] Open
Abstract
The new recyclable cobalt three-core magnetic catalyst obtained by anchoring a Schiff base ligand sector and cellulose nanofiber slings on MNP (Fe3O4) was prepared and named as MNP@CNF@ATSM-Co(ii). Separately, MNPs and CNF have adsorbent properties of great interest. In this way, this catalyst was designed to synthesize piperidine derivatives under solvent-free conditions and alcohol oxidation reactions in EtOH as the solvent. It should be noted that this catalyst is environmentally safe and does not need an external base. This MNPs@CNF@ATSM-Co(ii) separable catalyst has been evaluated using various characterization techniques such as FT-IR, XRD, FE-SEM, EDX, EDS, ICP, TGA, DLS, HRTEM, and VSM. The catalyst was compatible with a variety of benzyl alcohols, benzaldehydes, and amines derivatives, and gave complimentary coupling products with sufficient interest for all of them. The synergistic performance of Co (trinuclear) in the catalyst was demonstrated and its different homologs such as MNPs, MNPs@CNF, MNPs@CNF@ATS-Co(ii), and MNPs@CNF@ATSM-Co(ii) were separately synthesized and applied to a model reaction, and then their catalytic activity was investigated. Also, the performance of these components for the oxidation reaction of alcohols was evaluated. The advantages of the current protocol include the use of a sustainable and safe low temperature, eco-friendly solvent no additive, and long-term stability and magnetic recyclability of the catalyst for at least five successive runs, thus following green chemistry principles. This protocol is a benign and environment-friendly method for oxidation and heterocycle synthesis. This powerful super-magnetic catalyst can use its three arms to advance the reactions, displaying its power for multi-component reactions and oxidation.
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Affiliation(s)
- Pouya Ghamari Kargar
- Department of Chemistry, Faculty of Sciences, University of Birjand Birjand 97175-615 Iran +98 56 32345192 +98 56 32345192
| | - Ghodsieh Bagherzade
- Department of Chemistry, Faculty of Sciences, University of Birjand Birjand 97175-615 Iran +98 56 32345192 +98 56 32345192
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Ahamad T, Naushad M, Ubaidullah M, Alshehri S. Fabrication of Highly Porous Polymeric Nanocomposite for the Removal of Radioactive U(VI) and Eu(III) Ions from Aqueous Solution. Polymers (Basel) 2020; 12:E2940. [PMID: 33316959 PMCID: PMC7763886 DOI: 10.3390/polym12122940] [Citation(s) in RCA: 8] [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: 11/04/2020] [Revised: 11/29/2020] [Accepted: 12/03/2020] [Indexed: 11/30/2022] Open
Abstract
In the present study, a polymeric nanocomposite, CoFe2O4@DHBF, was fabricated using 2,4 dihydroxybenzaldehyde and formaldehyde in basic medium with CoFe2O4 nanoparticles. The fabricated nanocomposite was characterized using FTIR, TGA, XRD, SEM, TEM, and XPS analyses. The analytical results revealed that the magnetic nanocomposite was fabricated successfully with high surface area 370.24 m2/g. The fabricated CoFe2O4@DHBF was used as an efficient adsorbent for the adsorption of U(VI) and Eu(III) ions from contaminated water. pH, initial concentration, adsorption time, and the temperature of the contaminated water solution affecting the adsorption ability of the nanocomposites were studied. The batch adsorption results exposed that the adsorption capacity for the removal of U(VI) and Eu(III) was found to be 237.5 and 225.5 mg/g. The adsorption kinetics support that both the metal ions follow second order adsorption kinetics. The adsorption isotherm well fits with the Langmuir adsorption isotherm and the correlation coefficient (R2) values were found to be 0.9920 and 0.9913 for the adsorption of U(VI) and Eu(III), respectively. It was noticed that the fabricated nanocomposites show excellent regeneration ability and about 220.1 and 211.3 mg/g adsorption capacity remains with U(VI) and Eu(III) under optimum conditions.
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Affiliation(s)
- Tansir Ahamad
- Department of Chemistry, King Saud University, Riyadh 11451, Saudi Arabia; (M.N.); (M.U.); (S.A.)
| | - Mu. Naushad
- Department of Chemistry, King Saud University, Riyadh 11451, Saudi Arabia; (M.N.); (M.U.); (S.A.)
- Yonsei Frontier Lab, Yonsei University, Seoul 03722, Korea
- School of Life and Allied Health Sciences, Glocal University, Saharanpur 247001, India
| | - Mohd Ubaidullah
- Department of Chemistry, King Saud University, Riyadh 11451, Saudi Arabia; (M.N.); (M.U.); (S.A.)
| | - Saad Alshehri
- Department of Chemistry, King Saud University, Riyadh 11451, Saudi Arabia; (M.N.); (M.U.); (S.A.)
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Ghamari Kargar P, Bagherzade G, Eshghi H. Design and synthesis of magnetic Fe 3O 4@NFC-ImSalophCu nanocatalyst based on cellulose nanofibers as a new and highly efficient, reusable, stable and green catalyst for the synthesis of 1,2,3-triazoles. RSC Adv 2020; 10:32927-32937. [PMID: 35516478 PMCID: PMC9056646 DOI: 10.1039/d0ra06251k] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 08/26/2020] [Indexed: 11/21/2022] Open
Abstract
The Fe3O4@NFC-ImSalophCu catalyst was used as a highly stable, reusable, active, green catalyst for the synthesis of 1,2,3-triazoles via one-pot three-component reaction of phenacyl bromides, sodium azide and alkynes. A Cu(ii)-Schiff base complex containing an imidazolium ionic phase was prepared and decorated on core shell Fe3O4@NFC magnetic nanoparticles (Fe3O4@NFC-ImSalophCu) and was used as an efficient catalyst. The heterogeneous catalyst was characterized by FT-IR spectroscopy, FE-SEM, TEM, XRD spectroscopy, EDX spectroscopy, VSM, and ICP spectroscopy. This catalyst shows the dual function of the metal sites and imidazolium moieties. The catalytic system mentioned above also showed excellent activity in the synthesis of bis 1,4-disubstituted 1,2,3-triazoles. Moreover, the catalyst could be recycled and reused for four cycles without any decrease in its catalytic activity.
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Affiliation(s)
- Pouya Ghamari Kargar
- Department of Chemistry, Faculty of Sciences, University of Birjand Birjand 97175-615 Iran +98 56 32345192 +98 56 32345192
| | - Ghodsieh Bagherzade
- Department of Chemistry, Faculty of Sciences, University of Birjand Birjand 97175-615 Iran +98 56 32345192 +98 56 32345192
| | - Hossein Eshghi
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad Mashhad Iran
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Zolfagharinia S, Kolvari E, Koukabi N, Hosseini MM. Core-shell zirconia-coated magnetic nanoparticles offering a strong option to prepare a novel and magnetized heteropolyacid based heterogeneous nanocatalyst for three- and four-component reactions. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2017.04.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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6
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Dai S, Wang N, Qi C, Wang X, Ma Y, Yang L, Liu X, Huang Q, Nie C, Hu B, Wang X. Preparation of core-shell structure Fe 3O 4@C@MnO 2 nanoparticles for efficient elimination of U(VI) and Eu(III) ions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 685:986-996. [PMID: 31390716 DOI: 10.1016/j.scitotenv.2019.06.292] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 05/26/2019] [Accepted: 06/19/2019] [Indexed: 06/10/2023]
Abstract
Radionuclide contamination has become an urgent problem with the development of nuclear power plants. Herein, chemical-decorated core-shell magnetic manganese dioxide (denoted as Fe3O4@C@MnO2) composites were synthesized via transforming KMnO4 to MnO2 on the carbon-covered magnetite (Fe3O4@C) microsphere surface. It was employed to remove U(VI) and Eu(III) ions from aqueous solution under various conditions. The kinetic adsorption data were well simulated by the pseudo-second-order model and adsorption isotherms were fitted well by Langmuir model. Moreover, the maximum uptake capacities were up to 77.71 mg/g for U(VI) and 51.01 mg/g for Eu(III) at pH = 5.0 and T = 298 K. Adsorption behavior was strongly related to pH values but weakly affected by ionic strength, implying that the interaction of U(VI)/Eu(III) with Fe3O4@C@MnO2 was mainly dominated by inner-sphere surface complexation. XPS analysis illustrated that the interaction of Eu(III)/U(VI) with Fe3O4@C@MnO2 was associated with the strong metal bonds (MnO), hydroxyl bonded on metal (Mn-OH) and carboxyl groups (-COOH) by surface complexation and zeta potential results implied that the adsorption process was governed by electrostatic attraction. This research highlighted the outstanding performance of Fe3O4@C@MnO2 in eliminating Eu(III)/U(VI) ions from aqueous solutions, which was of great significance in the future application in radionuclides' pollution treatment.
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Affiliation(s)
- Shuhui Dai
- School of Chemistry and Chemical Engineering, University of South China, 28 Chang sheng West Road, Hengyang, Hunan 421001, PR China; School of Life Science, Shaoxing University, Huancheng West Road 508, Shaoxing 312000, PR China; College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Ning Wang
- School of Chemistry and Chemical Engineering, University of South China, 28 Chang sheng West Road, Hengyang, Hunan 421001, PR China; College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Chenjia Qi
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Xiangxue Wang
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Yan Ma
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Lu Yang
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Xiaoyan Liu
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Qiang Huang
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Changming Nie
- School of Chemistry and Chemical Engineering, University of South China, 28 Chang sheng West Road, Hengyang, Hunan 421001, PR China.
| | - Baowei Hu
- School of Life Science, Shaoxing University, Huancheng West Road 508, Shaoxing 312000, PR China.
| | - Xiangke Wang
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China.
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7
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A New Type of Magnetically-Recoverable Heteropolyacid Nanocatalyst Supported on Zirconia-Encapsulated Fe3O4 Nanoparticles as a Stable and Strong Solid Acid for Multicomponent Reactions. Catal Letters 2017. [DOI: 10.1007/s10562-017-2015-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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8
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Abbaspour-Gilandeh E, Aghaei-Hashjin M, Jahanshahi P, Hoseininezhad-Namin MS. One-pot synthesis of pyrano[3,2-c]quinoline-2,5-dione derivatives by Fe3O4@SiO2-SO3H as an efficient and reusable solid acid catalyst. MONATSHEFTE FUR CHEMIE 2017. [DOI: 10.1007/s00706-016-1788-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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9
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Nemati F, Sabaqian S. Nano-Fe3O4 encapsulated-silica particles bearing sulfonic acid groups as an efficient, eco-friendly and magnetically recoverable catalyst for synthesis of various xanthene derivatives under solvent-free conditions. JOURNAL OF SAUDI CHEMICAL SOCIETY 2017. [DOI: 10.1016/j.jscs.2014.04.009] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Wu W, Jiang CZ, Roy VAL. Designed synthesis and surface engineering strategies of magnetic iron oxide nanoparticles for biomedical applications. NANOSCALE 2016; 8:19421-19474. [PMID: 27812592 DOI: 10.1039/c6nr07542h] [Citation(s) in RCA: 180] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Iron oxide nanoparticles (NPs) hold great promise for future biomedical applications because of their magnetic properties as well as other intrinsic properties such as low toxicity, colloidal stability, and surface engineering capability. Numerous related studies on iron oxide NPs have been conducted. Recent progress in nanochemistry has enabled fine control over the size, crystallinity, uniformity, and surface properties of iron oxide NPs. This review examines various synthetic approaches and surface engineering strategies for preparing naked and functional iron oxide NPs with different physicochemical properties. Growing interest in designed and surface-engineered iron oxide NPs with multifunctionalities was explored in in vitro/in vivo biomedical applications, focusing on their combined roles in bioseparation, as a biosensor, targeted-drug delivery, MR contrast agents, and magnetic fluid hyperthermia. This review outlines the limitations of extant surface engineering strategies and several developing strategies that may overcome these limitations. This study also details the promising future directions of this active research field.
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Affiliation(s)
- Wei Wu
- Laboratory of Printable Functional Nanomaterials and Printed Electronics, School of Printing and Packaging, Wuhan University, Wuhan 430072, P. R. China. and Department of Physics and Materials Science, City University of Hong Kong, Hong Kong SAR, P. R. China.
| | - Chang Zhong Jiang
- School of Physics and Technology, Wuhan University, Wuhan 430072, P. R. China.
| | - Vellaisamy A L Roy
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong SAR, P. R. China.
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11
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Mao H, Wang S, Lin JY, Wang Z, Ren J. Modification of a magnetic carbon composite for ciprofloxacin adsorption. J Environ Sci (China) 2016; 49:179-188. [PMID: 28007173 DOI: 10.1016/j.jes.2016.05.048] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 04/27/2016] [Accepted: 05/20/2016] [Indexed: 06/06/2023]
Abstract
A magnetic carbon composite, Fe3O4/C composite, was fabricated by one-step hydrothermal synthesis, modified by heat treatment under an inert atmosphere (N2), and then used as an adsorbent for ciprofloxacin (CIP) removal. Conditions for the modification were optimized according to the rate of CIP removal. The adsorbent was characterized by Fourier transform infrared spectroscopy, X-ray diffraction measurements, vibrating-sample magnetometry, scanning electron microscopy, transmission electron microscopy, and N2 adsorption/desorption isotherm measurements. The results indicate that the modified adsorbent has substantial magnetism and has a large specific area, which favor CIP adsorption. The effects of solution pH, adsorbent dose, contact time, initial CIP concentration, ion strength, humic acid and solution temperature on CIP removal were also studied. Our results show that all of the above factors influence CIP removal. The Langmuir adsorption isotherm fits the adsorption process well, with the pseudo second-order model describing the adsorption kinetics accurately. The thermodynamic parameters indicate that adsorption is mainly physical adsorption. Recycling experiments revealed that the behavior of adsorbent is maintained after recycling for five times. Overall, the modified magnetic carbon composite is an efficient adsorbent for wastewater treatment.
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Affiliation(s)
- Haixin Mao
- College of Chemistry and Chemical Engineering, Key Laboratory of Coal Science and Technology, Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Shikui Wang
- College of Chemistry and Chemical Engineering, Key Laboratory of Coal Science and Technology, Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, China
| | - Jian-Ying Lin
- College of Chemistry and Chemical Engineering, Key Laboratory of Coal Science and Technology, Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Zengshuang Wang
- College of Chemistry and Chemical Engineering, Key Laboratory of Coal Science and Technology, Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, China
| | - Jun Ren
- College of Chemistry and Chemical Engineering, Key Laboratory of Coal Science and Technology, Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, China
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12
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Chen Z, Sun Y, Zhang W, Yang T, Chen L, Yang R, Zhou N. Controllable synthesis of amine-functionalized Fe3O4polyhedra for lipase immobilization. CrystEngComm 2016. [DOI: 10.1039/c6ce00269b] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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13
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Yu W, Xu L, Graham N, Qu J. Contribution of Fe3O4 nanoparticles to the fouling of ultrafiltration with coagulation pre-treatment. Sci Rep 2015; 5:13067. [PMID: 26268589 PMCID: PMC4535038 DOI: 10.1038/srep13067] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Accepted: 07/14/2015] [Indexed: 11/18/2022] Open
Abstract
A coagulation (FeCl3)-ultrafiltration process was used to treat two different raw waters with/without the presence of Fe3O4 nanoparticle contaminants. The existence of Fe3O4 nanoparticles in the raw water was found to increase both irreversible and reversible membrane fouling. The trans-membrane pressure (TMP) increase was similar in the early stages of the membrane runs for both raw waters, while it increased rapidly after about 15 days in the raw water with Fe3O4 nanoparticles, suggesting the involvement of biological effects. Enhanced microbial activity with the presence of Fe3O4 nanoparticles was evident from the measured concentrations of extracellular polymeric substances (EPS) and deoxyribonucleic acid (DNA), and fluorescence intensities. It is speculated that Fe3O4 nanoparticles accumulated in the cake layer and increased bacterial growth. Associated with the bacterial growth is the production of EPS which enhances the bonding with, and between, the coagulant flocs; EPS together with smaller sizes of the nano-scale primary particles of the Fe3O4-CUF cake layer, led to the formation of a lower porosity, more resilient cake layer and membrane pore blockage.
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Affiliation(s)
- Wenzheng Yu
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- Department of Civil and Environmental Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
| | - Lei Xu
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- Centre for Water Resources Research (CWRR), School of Civil, Structural and Environmental Engineering, University College Dublin, Newstead Building, Belfield, Dublin 4, Ireland
| | - Nigel Graham
- Department of Civil and Environmental Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
| | - Jiuhui Qu
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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14
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Liu S, Liu YJ, Deng F, Ma MG, Bian J. Comparison of the effects of microcrystalline cellulose and cellulose nanocrystals on Fe3O4/C nanocomposites. RSC Adv 2015. [DOI: 10.1039/c5ra12440a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Fe3O4/C nanocomposites with relatively high superparamagnetic and ferromagnetic performances were obtained by an ultrasound method combining calcination, which provided promising applications for the dye removal and wastewater treatment fields.
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Affiliation(s)
- Shan Liu
- Beijing Key Laboratory of Lignocellulosic Chemistry
- College of Materials Science and Technology
- Beijing Forestry University
- Beijing 100083
- PR China
| | - Yan-Jun Liu
- Beijing Key Laboratory of Lignocellulosic Chemistry
- College of Materials Science and Technology
- Beijing Forestry University
- Beijing 100083
- PR China
| | - Fu Deng
- Beijing Key Laboratory of Lignocellulosic Chemistry
- College of Materials Science and Technology
- Beijing Forestry University
- Beijing 100083
- PR China
| | - Ming-Guo Ma
- Beijing Key Laboratory of Lignocellulosic Chemistry
- College of Materials Science and Technology
- Beijing Forestry University
- Beijing 100083
- PR China
| | - Jing Bian
- Beijing Key Laboratory of Lignocellulosic Chemistry
- College of Materials Science and Technology
- Beijing Forestry University
- Beijing 100083
- PR China
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15
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Nemati F, Heravi MM, Elhampour A. Magnetic nano-Fe3O4@TiO2/Cu2O core–shell composite: an efficient novel catalyst for the regioselective synthesis of 1,2,3-triazoles using a click reaction. RSC Adv 2015. [DOI: 10.1039/c5ra06810j] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
An efficient and recoverable core–shell nanomagnetic composite was developed for regioselective synthesis of 1,2,3-triazoles using a green procedure.
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Affiliation(s)
| | - Majid M. Heravi
- Department of Chemistry
- School of Science
- Alzahra University
- Tehran
- Iran
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16
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Chen Z, Wang M, Zhao C, Lin Y, Yang R, Wang Z. Shape-controlled synthesis of Fe3O4/CeO2hybrid octahedra for lipase immobilization. CrystEngComm 2015. [DOI: 10.1039/c4ce02393e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Vasquez ES, Chu IW, Walters KB. Janus magnetic nanoparticles with a bicompartmental polymer brush prepared using electrostatic adsorption to facilitate toposelective surface-initiated ATRP. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:6858-6866. [PMID: 24846192 DOI: 10.1021/la500824r] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Utilizing the inherent negative charge of mica surfaces, amine-functionalized magnetic nanoparticles (Fe3O4/NH2) were electrostatically adsorbed onto the mica such that surface-initiated ATRP could be used to grow poly(n-isopropylacrylamide) (PNIPAM) from the exposed hemisphere. By reducing the solution pH, a positive charge generated on the mica was used to release the nanoparticles from the substrate. A second ATRP reaction was carried out to grow poly(methacrylic acid) (PMAA) from the initiated surfaces. As a result, the Fe3O4/NH2 core has a polymer shell with one hemisphere PMAA and the other hemisphere PNIPAM-b-PMAA resulting in the PMAA-Fe3O4-PNIPAM-b-PMAA bicompartmental polymer Janus nanoparticles. Elemental and functional group compositions were confirmed using ATR-FTIR, XPS, and EDS. Imaging with AFM, SEM, and TEM showed the evolution of the Janus nanoparticle morphology. This study demonstrates a facile and innovative scheme involving a noncovalent solid protection technique combined with sequential, surface-confined controlled radical polymerizations for the production of multicomponent nanocomposites.
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Affiliation(s)
- Erick S Vasquez
- Dave C. Swalm School of Chemical Engineering and ‡Institute for Imaging and Analytical Technologies, Mississippi State University , Mississippi State, Mississippi 39762, United States
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18
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Shen M, Yu Y, Fan G, Chen G, Jin YM, Tang W, Jia W. The synthesis and characterization of monodispersed chitosan-coated Fe3O4 nanoparticles via a facile one-step solvothermal process for adsorption of bovine serum albumin. NANOSCALE RESEARCH LETTERS 2014; 9:296. [PMID: 24994954 PMCID: PMC4070400 DOI: 10.1186/1556-276x-9-296] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Accepted: 05/30/2014] [Indexed: 06/01/2023]
Abstract
Preparation of magnetic nanoparticles coated with chitosan (CS-coated Fe3O4 NPs) in one step by the solvothermal method in the presence of different amounts of added chitosan is reported here. The magnetic property of the obtained magnetic composite nanoparticles was confirmed by X-ray diffraction (XRD) and magnetic measurements (VSM). Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) allowed the identification of spherical nanoparticles with about 150 nm in average diameter. Characterization of the products by Fourier transform infrared spectroscopy (FTIR) demonstrated that CS-coated Fe3O4 NPs were obtained. Chitosan content in the obtained nanocomposites was estimated by thermogravimetric analysis (TGA). The adsorption properties of the CS-coated Fe3O4 NPs for bovine serum albumin (BSA) were investigated under different concentrations of BSA. Compared with naked Fe3O4 nanoparticles, the CS-coated Fe3O4 NPs showed a higher BSA adsorption capacity (96.5 mg/g) and a fast adsorption rate (45 min) in aqueous solutions. This work demonstrates that the prepared magnetic nanoparticles have promising applications in enzyme and protein immobilization.
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Affiliation(s)
- Mao Shen
- College of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, People's Republic of China
| | - Yujing Yu
- College of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, People's Republic of China
| | - Guodong Fan
- Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shan xi University of Science and Technology, Xi'an 710021, People's Republic of China
| | - Guang Chen
- College of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, People's Republic of China
| | - Ying min Jin
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Wenyuan Tang
- College of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, People's Republic of China
| | - Wenping Jia
- College of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang 318000, People's Republic of China
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19
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Chen Z, Geng Z, Zhang Z, Ren L, Tao T, Yang R, Guo Z. Synthesis of Magnetic Fe3O4@C Nanoparticles Modified with -SO3H and -COOH Groups for Fast Removal of Pb2+, Hg2+, and Cd2+Ions. Eur J Inorg Chem 2014. [DOI: 10.1002/ejic.201301500] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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20
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Chen M, Liu P, Wang C, Ren W, Diao G. Fast catalytic reduction of an azo dye by recoverable and reusable Fe3O4@PANI@Au magnetic composites. NEW J CHEM 2014. [DOI: 10.1039/c4nj00806e] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fe3O4@PANI@Au magnetic composites were fabricated and applied to catalyze azo dye reduction. This catalyst exhibited high catalytic activity, excellent recyclability and stability.
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Affiliation(s)
- Ming Chen
- College of Chemistry and Chemistry Engineering
- Yangzhou University
- Yangzhou, People's Republic China
- Key Laboratory of Environmental Materials & Environmental Engineering of Jiangsu Province
- Yangzhou, P. R. China
| | - Peipei Liu
- College of Chemistry and Chemistry Engineering
- Yangzhou University
- Yangzhou, People's Republic China
- Key Laboratory of Environmental Materials & Environmental Engineering of Jiangsu Province
- Yangzhou, P. R. China
| | - Chengjiao Wang
- College of Chemistry and Chemistry Engineering
- Yangzhou University
- Yangzhou, People's Republic China
- Key Laboratory of Environmental Materials & Environmental Engineering of Jiangsu Province
- Yangzhou, P. R. China
| | - Wenjie Ren
- College of Chemistry and Chemistry Engineering
- Yangzhou University
- Yangzhou, People's Republic China
- Key Laboratory of Environmental Materials & Environmental Engineering of Jiangsu Province
- Yangzhou, P. R. China
| | - GuoWang Diao
- College of Chemistry and Chemistry Engineering
- Yangzhou University
- Yangzhou, People's Republic China
- Key Laboratory of Environmental Materials & Environmental Engineering of Jiangsu Province
- Yangzhou, P. R. China
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21
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Xie ZL, Huang X, Titirici MM, Taubert A. Mesoporous graphite nanoflakes via ionothermal carbonization of fructose and their use in dye removal. RSC Adv 2014. [DOI: 10.1039/c4ra05146g] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The ionothermal synthesis of oligo-layer graphene-type nanoflakes from fructose in the iron-containing ionic liquid 1-butyl-3-methylimidazolium tetrachloridoferrate (III), [Bmim][FeCl4] serving as solvent, catalyst, and template for product formation is presented.
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Affiliation(s)
- Zai-Lai Xie
- Institute of Chemistry
- University of Potsdam
- D-14476 Potsdam, Germany
| | - Xing Huang
- Fritz Haber Institute of the Max Planck Society
- D-14195 Berlin, Germany
| | | | - Andreas Taubert
- Institute of Chemistry
- University of Potsdam
- D-14476 Potsdam, Germany
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