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Zhou ZH, Li XJ, Huang ZW, Mei L, Ma FQ, Yu JP, Zhang Q, Chai ZF, Hu KQ, Shi WQ. Th 6-Based Multicomponent Heterometallic Metal-Organic Frameworks Featuring 6,12-Connected Topology for Iodine Adsorption. Inorg Chem 2023; 62:15346-15351. [PMID: 37682658 DOI: 10.1021/acs.inorgchem.3c02202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2023]
Abstract
Its high coordination number and tendency to cluster make Th4+ suitable for constructing metal-organic frameworks (MOFs) with novel topologies. In this work, two novel thorium-based heterometallic MOF isomers (IHEP-17 and IHEP-18) were assembled from a Th6 cluster, a multifunctional organic ligand [4-(1H-pyrazol-4-yl)benzoic acid (HPyba)], and Cu2+/Ni2+ cations via the one-pot solvothermal synthesis strategy. The framework features a 6,12-connected new topology net and contains two kinds of supramolecular cage structures, Th36M4 and Th24M2, suitable for guest exchange. Both MOF materials can efficiently adsorb I2. X-ray photoelectron spectroscopy, Raman spectroscopy, and single-crystal X-ray diffraction indicate that the adsorbed iodine is uniformly distributed within the Th36M4 cage but not the Th24M2 cage in the form of I3-.
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Affiliation(s)
- Zhi-Heng Zhou
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Yantai Research Institute, Harbin Engineering University, Yantai 264006, Shandong, China
| | - Xing-Jun Li
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Zhi-Wei Huang
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Lei Mei
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Fu-Qiu Ma
- Yantai Research Institute, Harbin Engineering University, Yantai 264006, Shandong, China
| | - Ji-Pan Yu
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Qiang Zhang
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Zhi-Fang Chai
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Kong-Qiu Hu
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Wei-Qun Shi
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
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2
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Yuan G, Lu Y, Yang C. Effect of different synthesis methodologies on the adsorption of iodine. Heliyon 2023; 9:e16975. [PMID: 37484430 PMCID: PMC10361028 DOI: 10.1016/j.heliyon.2023.e16975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/27/2023] [Accepted: 06/02/2023] [Indexed: 07/25/2023] Open
Abstract
Radioactive nuclides such as cesium, ruthenium, and iodine are difficult to remove in radioactive wastewater, which could be removed by coprecipitation of special chemical precipitants. In this study, dynamic Cu/Ag-mordenite (Cu/Ag-MOR) material was synthesized to be treated as the precipitant to selectively adsorb the iodine ion (I-) through controlled chemisorption combined with physical adsorption. XRD, XPS, and FTIR characterization demonstrated the successful modification of the MOR carrier surface by Cu/Ag particles and the high selectivity of the active component Cu (I) on the dynamic Cu/Ag-MOR material. SEM, TEM, and BET methods were used to characterize the Cu/Ag-MOR material, demonstrating these results: the MOR carried a stable porous structure, which allowed the silver to be well dispersed on its surface. The silver improved the copper distribution by being well-coated by the copper species. Furthermore, the analysis of the factors influencing the chemical plating of copper showed that the pH, the concentration of EDTA-2Na and the temperature all influenced the deposition rate of Cu2O. The activation energy for Cu2O deposition in dynamic Cu/Ag-MOR was 20.31 kJ/mol. The highest removal of I- in the presence of dynamic Cu/Ag-MOR could reach 99.1% in the adsorption tests. The adsorption kinetics was under a proposed second-order model, with chemisorption being the controlling step of the reaction. The adsorption/desorption experiments demonstrated the reusability of the nano-sorbent. It was also demonstrated that dynamic Cu/Ag-MOR materials showed good applicability in complex situations where multiple pollutants co-exist.
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Affiliation(s)
- Guowei Yuan
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Yizhong Lu
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Cheng Yang
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
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In-site interface growth of bismuth-based hydrothermal carbon using collagen fiber for selective removal of iodide ion from wastewater. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
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4
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Cheng Y, Wang J, Luo J, An X, Wang P, Ma X, Du X, Hao X. BiOI with Inherent Photo/Electric Biactivity Recovery I – by Novel Photoassisted Electrochemically Switched Ion Exchange Technology. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c00766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yijia Cheng
- College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Jie Wang
- Department of Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Jinhua Luo
- Department of Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Xiaowei An
- College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Peifen Wang
- College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Xuli Ma
- College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Xiao Du
- Department of Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Xiaogang Hao
- Department of Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
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5
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Refractory Metal Oxide–Doped Titanate Nanotubes: Synthesis and Photocatalytic Activity under UV/Visible Light Range. Catalysts 2021. [DOI: 10.3390/catal11080987] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
This study synthesized refractory metal-oxide-doped titanate nanotubes (TNTs) using a hydrothermal process and investigated their photocatalytic activity under ultraviolet and visible light irradiation. Refractory metal doping ions such as Mo6+ and W6+ can be supplied from molybdenum oxide and tungsten oxide sources. The refractory metal-doped TNT may act as an electron trap or enhance the adsorption capacity, which increases the number of active sites and promotes separation efficiency.
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Silver-decorated ZIF-8 derived ZnO concave nanocubes for efficient photooxidation-adsorption of iodide anions: An in-depth experimental and theoretical investigation. J SOLID STATE CHEM 2021. [DOI: 10.1016/j.jssc.2021.122039] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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7
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Cheng S, Chen W, Zhao L, Wang X, Qin C, Su Z. Synthesis, crystal structure and iodine capture of Zr-based metal-organic polyhedron. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.120174] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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8
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Sales DA, Marques TMF, Ghosh A, Gusmão SBS, Vasconcelos TL, Luz-Lima C, Ferreira OP, Hollanda LM, Lima IS, Silva-Filho EC, Dittz D, Lobo AO, Viana BC. Synthesis of silver-cerium titanate nanotubes and their surface properties and antibacterial applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 115:111051. [PMID: 32600685 DOI: 10.1016/j.msec.2020.111051] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 04/23/2020] [Accepted: 05/02/2020] [Indexed: 11/18/2022]
Abstract
Nano-heterostructures of titanate nanotubes were synthesized and they revealed a complex structure with the formation of TiO2 (anatase), CeO2, Ag2O and metallic silver nanoparticles on the outer walls and intercalation of Ce4+ and Ag+ into the interlayer spaces of the nanotubes by microwave-assisted hydrothermal process and subjected to ion exchange reactions. To the best of our knowledge, this is the first reported silver and cerium co-exchanged titanate nanotubes for bio-applications. The co-ion exchange processes preserved the original tubular structure of titanate nanotubes with significant changes of the superficial as well as interlamellar environment. This study opens up possibility of synthesizing complex, functional nano-heterostructure with the scope of modification of the final structure, especially the amount and oxidation state of the intercalated cation (Ce4+, Ce3+ and Ag+) as well as the quantity and variety of the decorating nanoparticles (CeO2, Ag2O or metallic Ag). The interplay of which, in turn, can lead to important biological properties and applications, owing to their ion-liberation capacity. The samples were tested in antibacterial activity with two different kind of bacteria (gram positive and negative), cell cytotoxicity and adhesion, and it was found that the nano-heterostructure formed shows high antibacterial activity with low cytotoxicity and high cell adhesion, which makes it a promising material for further health applications.
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Affiliation(s)
- Débora A Sales
- Laboratório interdisciplinar de materiais avançados (LIMAV), Programa de Pós-Graduação em Ciência e Engenharia dos Materiais, Universidade Federal do Piauí - UFPI, Teresina, PI, Brazil
| | - Thalles M F Marques
- Instituto Federal de Educação, Ciência e Tecnologia do Piauí - IFPI, 64760-000, Campus São João do Piauí, PI, Brazil
| | - Anupama Ghosh
- LaMFA - Laboratório de Materiais Funcionais Avançados, Departamento de Física, Universidade Federal do Ceará - UFC, 60440-554 Fortaleza, Ceará, Brazil; Central Analítica, Universidade Federal do Ceará - UFC, 60440-554 Fortaleza, Ceará, Brazil
| | - Suziete B S Gusmão
- Laboratório interdisciplinar de materiais avançados (LIMAV), Programa de Pós-Graduação em Ciência e Engenharia dos Materiais, Universidade Federal do Piauí - UFPI, Teresina, PI, Brazil
| | - Thiago L Vasconcelos
- Divisão de Metrologia de Materiais, Instituto Nacional de Metrologia, Qualidade e Tecnologia (INMETRO), Duque de Caxias, Rio de Janeiro 25250-020, Brazil
| | - Cleanio Luz-Lima
- Departamento de Física, Universidade Federal do Piauí - UFPI, 64049-550, Teresina, Piauí, Brazil
| | - Odair P Ferreira
- LaMFA - Laboratório de Materiais Funcionais Avançados, Departamento de Física, Universidade Federal do Ceará - UFC, 60440-554 Fortaleza, Ceará, Brazil
| | - Luciana M Hollanda
- Programa de Pós-Graduação em Biotecnologia Industrial, Universidade Tiradentes - UNIT, 49032-490 Aracaju, Sergipe, Brazil
| | - Idglan S Lima
- Laboratório interdisciplinar de materiais avançados (LIMAV), Programa de Pós-Graduação em Ciência e Engenharia dos Materiais, Universidade Federal do Piauí - UFPI, Teresina, PI, Brazil
| | - Edson C Silva-Filho
- Laboratório interdisciplinar de materiais avançados (LIMAV), Programa de Pós-Graduação em Ciência e Engenharia dos Materiais, Universidade Federal do Piauí - UFPI, Teresina, PI, Brazil
| | - Dalton Dittz
- Departamento de Bioquímica e Farmacologia, Universidade Federal do Piauí - UFPI, 64049-550 Teresina, Piauí, Brazil
| | - Anderson O Lobo
- Laboratório interdisciplinar de materiais avançados (LIMAV), Programa de Pós-Graduação em Ciência e Engenharia dos Materiais, Universidade Federal do Piauí - UFPI, Teresina, PI, Brazil
| | - Bartolomeu C Viana
- Laboratório interdisciplinar de materiais avançados (LIMAV), Programa de Pós-Graduação em Ciência e Engenharia dos Materiais, Universidade Federal do Piauí - UFPI, Teresina, PI, Brazil; Departamento de Física, Universidade Federal do Piauí - UFPI, 64049-550, Teresina, Piauí, Brazil.
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9
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Bonding of crown ethers to α-zirconium phosphate—Novel layered adsorbent for radioactive strontium separation. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116658] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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10
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Baimenov A, Berillo D, Inglezakis V. Cryogel-based Ag°/Ag2O nanocomposites for iodide removal from water. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.112134] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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11
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Liang YC, Liu YC, Hung CS. Sputtering control of Ag 2O decoration configurations on ZnO nanorods and their surface arrangement effects on photodegradation ability toward methyl orange. NANOTECHNOLOGY 2019; 30:495701. [PMID: 31539365 DOI: 10.1088/1361-6528/ab40dd] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
In this study, a combinational strategy for synthesizing ZnO nanorod arrays interlaced with Ag2O particles was proposed. Hydrothermally derived ZnO nanorod templates were sputter coated with Ag2O particles. The sputtered Ag2O particles can be decorated on the surfaces of the ZnO nanorod arrays with a randomly dispersive or continuous coverage characteristic by controlling the sputtering duration. Structural analysis revealed the formation of satisfactory crystalline ZnO-Ag2O composite nanorods through the hydrothermal and sputtering methods. The ZnO-Ag2O composite nanorods exhibited a significantly enhanced photoactivity compared with that of pristine ZnO nanorods under light irradiation. Moreover, the Ag2O content and the coverage feature of the ZnO-Ag2O composite nanorods influence the photodegradation of methyl orange solution by the composite nanorods under light irradiation. The photodegradation efficiency of the ZnO nanorods was substantially enhanced when the Ag2O particles were decorated on the surfaces in a dispersive manner. This can be attributed to the optimal content of Ag2O particles and their randomly dispersive characteristic on the surface of the composite nanorods, which resulted in the efficient transfer of photocarriers and markedly suppressed the electron-hole recombination rate.
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Affiliation(s)
- Yuan-Chang Liang
- Department of Optoelectronics and Materials Technology, National Taiwan Ocean University, Keelung 20224, Taiwan
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12
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Chen S, Qi Y, Cossa JJ, Deocleciano Salomao Dos SI. Efficient removal of radioactive iodide anions from simulated wastewater by HDTMA-geopolymer. PROGRESS IN NUCLEAR ENERGY 2019. [DOI: 10.1016/j.pnucene.2019.103112] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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13
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Yi R, Ye G, Chen J. Synthesis of core-shell magnetic titanate nanofibers composite for the efficient removal of Sr(ii). RSC Adv 2019; 9:27242-27249. [PMID: 35529182 PMCID: PMC9070573 DOI: 10.1039/c9ra06148g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 08/22/2019] [Indexed: 11/21/2022] Open
Abstract
We report a facile approach for the fabrication of Fe3O4@titanate fibers magnetic composite through a hydrothermal method and sol-gel process. The structure and morphology were characterized by X-ray diffraction (XRD), transmission electron microsphere (TEM), scanning electron microscope (SEM) and energy-dispersive X-ray analysis (EDX). Owing to the high ion exchange capacity of the functional titanate layer, the obtained core-shell structured magnetic microspheres exhibited high removal efficiency towards strontium from wastewater. The effects of contact time and Sr(ii) concentration on the uptake amount of strontium were systematically investigated. The results indicated that the adsorption equilibrium can be reached within 30 min, and the maximum exchange capacity was approximately 37.1 mg g-1. Moreover, the captured Sr(ii) can be eluted using 5 wt% of EDTA(Na), which contributed to the reduction of waste volume. Based on the experimental results of ion exchange process and X-ray photoelectron spectroscopy (XPS), a possible adsorption mechanism was proposed. This work provided a facile approach to synthesize magnetic functional nanocomposites for wastewater treatment.
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Affiliation(s)
- Rong Yi
- School of Material Science and Engineering, Sun Yat-Sen University Guangzhou 510275 China
| | - Gang Ye
- Institute of Nuclear and New Energy Technology (INET), Tsinghua University Beijing 100084 China
| | - Jing Chen
- Institute of Nuclear and New Energy Technology (INET), Tsinghua University Beijing 100084 China
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14
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Elkasabgy NA, Mahmoud AA. Fabrication Strategies of Scaffolds for Delivering Active Ingredients for Tissue Engineering. AAPS PharmSciTech 2019; 20:256. [PMID: 31332631 DOI: 10.1208/s12249-019-1470-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 07/08/2019] [Indexed: 01/28/2023] Open
Abstract
Designing scaffolds with optimum properties is an essential factor for tissue engineering success. They can be seeded with isolated cells or loaded with drugs to stimulate the body ability to repair or regenerate the injured tissues by acting as centers for new tissue formation. Recently, scaffolds gained a significant interest as principal candidates for tissue engineering due to overcoming the autograft or allograft's associated problems. The advancement of the tissue engineering field relies mainly on the introduction of new biomaterials for scaffolds' fabrication. This review presents and criticizes different scaffolds' fabrication techniques with particular emphasis on the fibrous, injectable in situ forming, foam, 3D freeze-dried, 3D printed, and 4D scaffolds. This article highlights on scaffolds' composition which would be beneficial for developing scaffolds that could potentially help to meet the demand for both drug delivery and tissue regeneration.
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15
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Influence of Preparation Procedure on Physicochemical and Antibacterial Properties of Titanate Nanotubes Modified with Silver. NANOMATERIALS 2019; 9:nano9050795. [PMID: 31126162 PMCID: PMC6566197 DOI: 10.3390/nano9050795] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 05/18/2019] [Accepted: 05/20/2019] [Indexed: 12/26/2022]
Abstract
Silver nanoparticles (NPs) are effective antibacterial agents; however, aggregation of NPs and uncontrolled release of Ag+ affect their efficiency and may pose a risk to the environment. To overcome these disadvantages, immobilization of Ag onto titanate nanotubes (TNTs) was investigated. This paper describes the physicochemical and antibacterial properties of silver incorporated titanate nanotubes (Ag/TNTs) prepared using five procedures and containing different Ag amounts (0.11-30.85 wt.%). The methods were (i) sol-gel followed by a hydrothermal process; (ii) photodeposition under ambient conditions; (iii) photodeposition under an inert atmosphere; (iv) NaBH4 reduction; and (v) electroless deposition after activation of TNTs with Sn2+. Depending on the synthesis procedure, the presence of metallic Ag NPs, AgO or AgCl was observed. The electroless method led to an additional deposition of SnO2 NPs. The antibacterial properties of Ag/TNTs were analyzed as a function of Ag content and released against Escherichia coli and Staphylococcus epidermidis. The best bactericidal properties exhibited Ag/TNTs prepared through the photodeposition process due to the higher interaction of exposed Ag NPs with bacteria. An increase of Ag loading resulted in improvement of antibacterial activity of Ag/TNTs although no direct correlation between silver content or release and inhibition of bacterial growth was found.
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Kundu S, Sain S, Choudhury P, Sarkar S, Das PK, Pradhan SK. Microstructure characterization of biocompatible heterojunction hydrogen titanate-Ag 2O nanocomposites for superior visible light photocatalysis and antibacterial activity. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 99:374-386. [PMID: 30889712 DOI: 10.1016/j.msec.2019.01.124] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 12/22/2018] [Accepted: 01/28/2019] [Indexed: 10/27/2022]
Abstract
Hydrogen trititanate (H2Ti3O7·2H2O) and hydrogen trititanate/Ag2O hybrid nanocomposites (NCs) with novel structure have been synthesized by a simple solvothermal route followed by Na+/H+ ion-exchange. Growths of hydrogen trititanate with nanofiber (HTNF) and nanotube (HTNT) morphologies and hydrogen trititanate-Ag2O (HTFAG and HTTAG) nanocomposites have been tailored by controlling the solvent media. Detailed microstructure characterization of all these samples have been carried out by Rietveld refinement of XRD data and analyzing FESEM/HRTEM micrographs and FTIR spectra. Band gap energies of all these semiconducting samples are obtained from UV-Vis absorption spectra. Both HTFAG and HTTAG NCs exhibit enhanced photocatalytic degradation of organic pollutant (Congo red dye) under visible light, in comparison to HTNF and HTNT respectively due to the formation of a heterojunction between H2Ti3O7·2H2O and Ag2O, which is supported by photoluminescence spectroscopy. HTFAG and HTTAG NCs also show superior antibacterial activity against both gram-negative (Escherichia coli) and gram-positive (Bacillus subtilis) bacteria compared to their pure counterparts. MTT assay reflects a sufficiently high percentage of cell viability and confirms the significant cytocompatibility of all the samples.
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Affiliation(s)
- Samapti Kundu
- Materials Science Division, Department of Physics, The University of Burdwan, Golapbag, Burdwan 713104, West Bengal, India
| | - Sumanta Sain
- Department of Materials Science, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, West Bengal, India
| | - Pritam Choudhury
- Department of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, West Bengal, India
| | - Saheli Sarkar
- Department of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, West Bengal, India
| | - Prasanta Kumar Das
- Department of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, West Bengal, India
| | - Swapan Kumar Pradhan
- Materials Science Division, Department of Physics, The University of Burdwan, Golapbag, Burdwan 713104, West Bengal, India.
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17
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Mu W, Du S, Li X, Yu Q, Hu R, Wei H, Yang Y, Peng S. Efficient and irreversible capture of strontium ions from aqueous solution using metal–organic frameworks with ion trapping groups. Dalton Trans 2019; 48:3284-3290. [DOI: 10.1039/c9dt00434c] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Efficient and irreversible capture of radioactive nuclides is an important environmental protection task when disposing of nuclear wastewater.
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Affiliation(s)
- Wanjun Mu
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
| | - Shenzhen Du
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
| | - Xingliang Li
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
| | - Qianhong Yu
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
| | - Rui Hu
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
| | - Hongyuan Wei
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
| | - Yuchuan Yang
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
| | - Shuming Peng
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
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Chen J, Gao Q, Zhang X, Liu Y, Wang P, Jiao Y, Yang Y. Nanometer mixed-valence silver oxide enhancing adsorption of ZIF-8 for removal of iodide in solution. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 646:634-644. [PMID: 30059924 DOI: 10.1016/j.scitotenv.2018.07.298] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Revised: 07/19/2018] [Accepted: 07/20/2018] [Indexed: 06/08/2023]
Abstract
Nano mixed-valence silver oxide (Ag2O-Ag2O3) modified the zeolitic imidazolate framework-8 (ZIF-8) composite (Ag2O-Ag2O3@ZIF-8) was firstly prepared via a simple and efficient method, characterized and applied for iodide ion (I-) uptake from simulated radioactive wastewater. The results showed that Ag2O-Ag2O3 nanoparticles doped and uniformly dispersed on the surface of ZIF-8 matrix. The adsorption capacity of the as-synthesized adsorbents increased with the increasing Ag doped amount, and the maximum adsorption capacity for 20%-Ag2O-Ag2O3@ZIF-8 was 232.12 mg/g. The calculated thermodynamic parameters indicating that the adsorption was a spontaneous and exothermic. It was worth mentioning that each Ag-based adsorbent exhibited high uptake rate of I-, and all the adsorption tests were equilibrated for a few minutes. This could be ascribed to its large specific surface area and the absolutely dominant position of chemical adsorption for as-prepared samples. Furthermore, the adsorption was barely affected by pH and competitive anions (e.g. Cl-, SO42-, CO32-), even in simulated salt lake water. Additionally, a mechanism explaining the excellent properties for adsorbents could be epitomized into three aspects, namely, the uptake performance of Ag2O for I-, the strong oxidization of Ag2O3 for I-, and the adsorption of AgI for I2.
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Affiliation(s)
- Jiuyu Chen
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Qianhong Gao
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Xiaomei Zhang
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Ying Liu
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Peng Wang
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yan Jiao
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Yi Yang
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China; Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Nanjing University of Information Science & Technology, Nanjing 210044, China.
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19
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Shim HE, Yang JE, Jeong SW, Lee CH, Song L, Mushtaq S, Choi DS, Choi YJ, Jeon J. Silver Nanomaterial-Immobilized Desalination Systems for Efficient Removal of Radioactive Iodine Species in Water. NANOMATERIALS 2018; 8:nano8090660. [PMID: 30149661 PMCID: PMC6165405 DOI: 10.3390/nano8090660] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 08/18/2018] [Accepted: 08/24/2018] [Indexed: 12/24/2022]
Abstract
Increasing concerns regarding the adverse effects of radioactive iodine waste have inspired the development of a highly efficient and sustainable desalination process for the treatment of radioactive iodine-contaminated water. Because of the high affinity of silver towards iodine species, silver nanoparticles immobilized on a cellulose acetate membrane (Ag-CAM) and biogenic silver nanoparticles containing the radiation-resistant bacterium Deinococcus radiodurans (Ag-DR) were developed and investigated for desalination performance in removing radioactive iodines from water. A simple filtration of radioactive iodine using Ag-CAM under continuous in-flow conditions (approximately 1.5 mL/s) provided an excellent removal efficiency (>99%) as well as iodide anion-selectivity. In the bioremediation study, the radioactive iodine was rapidly captured by Ag-DR in the presence of high concentration of competing anions in a short time. The results from both procedures can be visualized by using single-photon emission computed tomography (SPECT) scanning. This work presents a promising desalination method for the removal of radioactive iodine and a practical application model for remediating radioelement-contaminated waters.
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Affiliation(s)
- Ha Eun Shim
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 56212, Korea.
- Department of Chemistry, Kyungpook National University, Daegu 41566, Korea.
| | - Jung Eun Yang
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea.
| | - Sun-Wook Jeong
- School of Environmental Engineering, University of Seoul, Seoul 02504, Korea.
| | - Chang Heon Lee
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 56212, Korea.
| | - Lee Song
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 56212, Korea.
| | - Sajid Mushtaq
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 56212, Korea.
- Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology, Daejeon 34113, Korea.
| | - Dae Seong Choi
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 56212, Korea.
| | - Yong Jun Choi
- School of Environmental Engineering, University of Seoul, Seoul 02504, Korea.
| | - Jongho Jeon
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 56212, Korea.
- Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology, Daejeon 34113, Korea.
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20
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Shim HE, Mushtaq S, Jeon J. An Efficient Method for Selective Desalination of Radioactive Iodine Anions by Using Gold Nanoparticles-Embedded Membrane Filter. J Vis Exp 2018. [PMID: 30059044 DOI: 10.3791/58105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Here, we demonstrate a detail protocol for the preparation of nanomaterials-embedded composite membranes and its application to the efficient and ion-selective removal of radioactive iodines. By using citrate-stabilized gold nanoparticles (mean diameter: 13 nm) and cellulose acetate membranes, gold nanoparticle-embedded cellulose acetate membranes (Au-CAM) have easily been fabricated. The nano-adsorbents on Au-CAM were highly stable in the presence of high concentration of inorganic salts and organic molecules. The iodide ions in aqueous solutions could rapidly be captured by this engineered membrane. Through a filtration process using an Au-CAM containing filter unit, excellent removal efficiency (>99%) as well as ion-selective desalination result was achieved in a short time. Moreover, Au-CAM provided good reusability without significant decrease of its performances. These results suggested that the present technology using the engineered hybrid membrane will be a promising process for the large-scale decontamination of radioactive iodine from liquid wastes.
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Affiliation(s)
- Ha Eun Shim
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute; Department of Chemistry, Kyungpook National University
| | - Sajid Mushtaq
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute; Department of Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology
| | - Jongho Jeon
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute; Department of Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology;
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21
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Mou W, Du S, Yu Q, Li X, Wei H, Yang Y. Efficient Capture of Radioactive Strontium from Water Using Magnetic WO 3Assembled on Grapheme Oxide Nanocomposite. ChemistrySelect 2018. [DOI: 10.1002/slct.201800891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Wanjun Mou
- China Academy of Engineering Physics; Institute of Nuclear Physics and Chemistry; 64# Mianshan Road, Mianyang Sichuan Province, P. R. China,621900
| | - Shenzhen Du
- China Academy of Engineering Physics; Institute of Nuclear Physics and Chemistry; 64# Mianshan Road, Mianyang Sichuan Province, P. R. China,621900
| | - Qianhong Yu
- China Academy of Engineering Physics; Institute of Nuclear Physics and Chemistry; 64# Mianshan Road, Mianyang Sichuan Province, P. R. China,621900
| | - Xingliang Li
- China Academy of Engineering Physics; Institute of Nuclear Physics and Chemistry; 64# Mianshan Road, Mianyang Sichuan Province, P. R. China,621900
| | - Hongyuan Wei
- China Academy of Engineering Physics; Institute of Nuclear Physics and Chemistry; 64# Mianshan Road, Mianyang Sichuan Province, P. R. China,621900
| | - Yuchuan Yang
- China Academy of Engineering Physics; Institute of Nuclear Physics and Chemistry; 64# Mianshan Road, Mianyang Sichuan Province, P. R. China,621900
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22
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Wang C, Wang Y, Ge R, Song X, Xing X, Jiang Q, Lu H, Hao C, Guo X, Gao Y, Jiang D. A 3D Covalent Organic Framework with Exceptionally High Iodine Capture Capability. Chemistry 2017; 24:585-589. [DOI: 10.1002/chem.201705405] [Citation(s) in RCA: 162] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Chang Wang
- Dalian National Laboratory for Clean Energy; Dalian Institute of Chemical Physics; Chinese Academy of Sciences; 457 Zhongshan Road Dalian 116023 China
| | - Yu Wang
- Dalian National Laboratory for Clean Energy; Dalian Institute of Chemical Physics; Chinese Academy of Sciences; 457 Zhongshan Road Dalian 116023 China
| | - Rile Ge
- Dalian National Laboratory for Clean Energy; Dalian Institute of Chemical Physics; Chinese Academy of Sciences; 457 Zhongshan Road Dalian 116023 China
| | - Xuedan Song
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; 2 Linggong Road Dalian 116024 China
| | - Xueqing Xing
- Beijing Synchrotron Radiation Facility; Institute of High Energy Physics, Chinese Academy of Sciences; 39 Yuquan Road Beijing 100049 China
| | - Qike Jiang
- Dalian National Laboratory for Clean Energy; Dalian Institute of Chemical Physics; Chinese Academy of Sciences; 457 Zhongshan Road Dalian 116023 China
| | - Hui Lu
- Dalian National Laboratory for Clean Energy; Dalian Institute of Chemical Physics; Chinese Academy of Sciences; 457 Zhongshan Road Dalian 116023 China
| | - Ce Hao
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; 2 Linggong Road Dalian 116024 China
| | - Xinwen Guo
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; 2 Linggong Road Dalian 116024 China
| | - Yanan Gao
- Dalian National Laboratory for Clean Energy; Dalian Institute of Chemical Physics; Chinese Academy of Sciences; 457 Zhongshan Road Dalian 116023 China
- Key Laboratory of Ministry of Education for Advanced Materials, in Tropical Island Resources; Hainan University; No. 58, Renmin Avenue Haikou 570228 China
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; 2 Linggong Road Dalian 116024 China
| | - Donglin Jiang
- Field of Environment and Energy; School of Materials Science; Japan Advanced Institute of Science and Technology; 1-1 Asahidai Nomi 923-1292 Japan
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23
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Chen YY, Yu SH, Yao QZ, Fu SQ, Zhou GT. One-step synthesis of Ag 2O@Mg(OH) 2 nanocomposite as an efficient scavenger for iodine and uranium. J Colloid Interface Sci 2017; 510:280-291. [PMID: 28957744 DOI: 10.1016/j.jcis.2017.09.073] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 09/18/2017] [Accepted: 09/20/2017] [Indexed: 10/18/2022]
Abstract
Ag2O nanoparticles anchored on the Mg(OH)2 nanoplates (Ag2O@Mg(OH)2) were successfully prepared by a facile one-step method, which combined the Mg(OH)2 formation with Ag2O deposition. The synthesized products were characterized by a wide range of techniques including powder X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), selected area electron diffraction (SAED), and nitrogen physisorption analysis. It was found that Ag2O nanoparticles anchored on the Mg(OH)2 nanoplates show good dispersion and less aggregation relative to the single Ag2O nanoaggregates. In addition, iodide (I-) removal by the Ag2O@Mg(OH)2 nanocomposite was studied systematically. Batch experiments reveal that the nanocomposite exhibits extremely high I- removal rate (<10min), and I- removal capacity is barely affected by the concurrent anions, such as Cl-, SO42-, CO32- and NO3-. Furthermore, I- and UO22+ could be simultaneously removed by the nanocomposite with high efficiency. Due to the simple synthetic procedure, the excellent removal performances for iodine and uranium, and the easy separation from water, the Ag2O@Mg(OH)2 nanocomposite has real potential for application in radioactive wastewater treatment, especially during episodic environmental crisis.
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Affiliation(s)
- Yuan-Yuan Chen
- CAS Key Laboratory of Crust-Mantle Materials and Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, PR China
| | - Sheng-Hui Yu
- CAS Key Laboratory of Crust-Mantle Materials and Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, PR China
| | - Qi-Zhi Yao
- School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, PR China
| | - Sheng-Quan Fu
- Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026, PR China
| | - Gen-Tao Zhou
- CAS Key Laboratory of Crust-Mantle Materials and Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, PR China.
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24
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Mao P, Liu Y, Liu X, Wang Y, Liang J, Zhou Q, Dai Y, Jiao Y, Chen S, Yang Y. Bimetallic AgCu/Cu 2O hybrid for the synergetic adsorption of iodide from solution. CHEMOSPHERE 2017; 180:317-325. [PMID: 28412489 DOI: 10.1016/j.chemosphere.2017.04.038] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 04/02/2017] [Accepted: 04/08/2017] [Indexed: 06/07/2023]
Abstract
To further improve the capacity of Cu2O to absorb I- anions from solution, and to understand the difference between the adsorption mechanisms of Ag/Cu2O and Cu/Cu2O adsorbents, bimetallic AgCu was doped into Cu2O through a facile solvothermal route. Samples were characterized and employed to adsorb I- anions under different experimental conditions. The results show that the Cu content can be tuned by adding different volumes of Ag sols. After doping bimetallic AgCu, the adsorption capacity of the samples can be increased from 0.02 mmol g-1 to 0.52 mmol g-1. Moreover, the optimal adsorption is reached within only 240 min. Meanwhile, the difference between the adsorption mechanisms of Ag/Cu2O and Cu/Cu2O adsorbents was verified, and the cooperative adsorption mechanism of the AgCu/Cu2O hybrid was proposed and verified. In addition, the AgCu/Cu2O hybrid showed excellent selectivity, e.g., its adsorption efficiencies are 85.1%, 81.9%, 85.9% and 85.7% in the presence of the Cl-, CO32-, SO42- and NO3- competitive anions, respectively. Furthermore, the AgCu/Cu2O hybrid can worked well in other harsh environments (e.g., acidic, alkaline and seawater environments). Therefore, this study is expected to promote the development of Cu2O into a highly efficient adsorbent for the removal of iodide from solution.
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Affiliation(s)
- Ping Mao
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Ying Liu
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Xiaodong Liu
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China.
| | - Yuechan Wang
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Jie Liang
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Qihang Zhou
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Yuexuan Dai
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Yan Jiao
- Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials (CEM), School of Environmental Sciences and Engineering, Nanjing University of Information Science and Technology, Nanjing, 210004, China
| | - Shouwen Chen
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Yi Yang
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China; Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials (CEM), School of Environmental Sciences and Engineering, Nanjing University of Information Science and Technology, Nanjing, 210004, China.
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25
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Wang Z, Huang Y, Yang J, Li Y, Zhuang Q, Gu J. The water-based synthesis of chemically stable Zr-based MOFs using pyridine-containing ligands and their exceptionally high adsorption capacity for iodine. Dalton Trans 2017; 46:7412-7420. [DOI: 10.1039/c7dt01084b] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Zr-MOFs with inherent pyridine moieties were synthesized by a water-based approach, and exhibited exceptionally high adsorption capacity for I2.
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Affiliation(s)
- Zhe Wang
- Key Laboratory for Ultrafine Materials of Ministry of Education
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Ying Huang
- Key Laboratory for Ultrafine Materials of Ministry of Education
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Jian Yang
- Key Laboratory for Ultrafine Materials of Ministry of Education
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Yongsheng Li
- Key Laboratory for Ultrafine Materials of Ministry of Education
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Qixin Zhuang
- Key Laboratory for Ultrafine Materials of Ministry of Education
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Jinlou Gu
- Key Laboratory for Ultrafine Materials of Ministry of Education
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
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26
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Choi MH, Jeong SW, Shim HE, Yun SJ, Mushtaq S, Choi DS, Jang BS, Yang JE, Choi YJ, Jeon J. Efficient bioremediation of radioactive iodine using biogenic gold nanomaterial-containing radiation-resistant bacterium, Deinococcus radiodurans R1. Chem Commun (Camb) 2017; 53:3937-3940. [DOI: 10.1039/c7cc00720e] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new bioremediation method is developed by using a gold nanomaterial-containing radiation-resistant bacterium.
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Affiliation(s)
- Mi Hee Choi
- Advanced Radiation Technology Institute
- Korea Atomic Energy Research Institute
- Jeongeup
- Republic of Korea
| | - Sun-Wook Jeong
- School of Environmental Engineering
- University of Seoul
- Seoul
- Republic of Korea
| | - Ha Eun Shim
- Advanced Radiation Technology Institute
- Korea Atomic Energy Research Institute
- Jeongeup
- Republic of Korea
- Department of Chemistry
| | - Seong-Jae Yun
- Advanced Radiation Technology Institute
- Korea Atomic Energy Research Institute
- Jeongeup
- Republic of Korea
| | - Sajid Mushtaq
- Advanced Radiation Technology Institute
- Korea Atomic Energy Research Institute
- Jeongeup
- Republic of Korea
- Department of Radiation Biotechnology and Applied Radioisotope Science
| | - Dae Seong Choi
- Advanced Radiation Technology Institute
- Korea Atomic Energy Research Institute
- Jeongeup
- Republic of Korea
| | - Beom-Su Jang
- Advanced Radiation Technology Institute
- Korea Atomic Energy Research Institute
- Jeongeup
- Republic of Korea
- Department of Radiation Biotechnology and Applied Radioisotope Science
| | - Jung Eun Yang
- Department of Chemical and Biomolecular Engineering
- Korea Advanced Institute of Science and Technology
- Deajeon
- Republic of Korea
| | - Yong Jun Choi
- School of Environmental Engineering
- University of Seoul
- Seoul
- Republic of Korea
| | - Jongho Jeon
- Advanced Radiation Technology Institute
- Korea Atomic Energy Research Institute
- Jeongeup
- Republic of Korea
- Department of Radiation Biotechnology and Applied Radioisotope Science
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27
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Mao P, Liu Y, Jiao Y, Chen S, Yang Y. Enhanced uptake of iodide on Ag@Cu 2O nanoparticles. CHEMOSPHERE 2016; 164:396-403. [PMID: 27596827 DOI: 10.1016/j.chemosphere.2016.08.116] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 08/16/2016] [Accepted: 08/24/2016] [Indexed: 06/06/2023]
Abstract
In order to improve the uptake capacity of Cu2O for I- anions from water, Ag loaded Cu2O composites have been synthesized through a facile method, characterized using SEM, XRD, XPS and applied to remove I- anions under different experimental environments. The results show that the uptake capacity of Ag@Cu2O increased with the increasing Ag doped amount. Meanwhile, the uptake capacity (0.20 mmol g-1) of 1.0%-Ag@Cu2O for the removal of I- anions is ten times higher than that of pure Cu2O (0.02 mmol g-1). Furthermore, a mechanism explaining the highly efficient removal of I- anions has been proposed according to characterization analyses of the composites after adsorption and subsequently been verified by adsorption under visible light experiments. 1.0%-Ag@Cu2O (0.5%-Ag@Cu2O, 0.2%-Ag@Cu2O) shows a high iodide uptake efficiency of 98.5% (77.6%, 37.8%) in the visible light, much higher than that under the darkness (86.3%, 69.7% and 30.8%). In addition, the adsorbent showed excellent selectivity for I- anions in the presence of large concentrations of competitive anions, eg. uptake efficiencies are 78.2%, 62.8%, 70.2% and 77.9% in the presence of the Cl-, CO32-, SO42- and NO3- competitive anions, respectively, and could work in a wide pH range of 3-11. This study is hopefully to prompt Cu2O to become a new and highly efficient adsorbent for iodide adsorb from solutions.
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Affiliation(s)
- Ping Mao
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Ying Liu
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Yan Jiao
- Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials (CEM), School of Environmental Sciences and Engineering, Nanjing University of Information Science and Technology, Nanjing, 210004, China
| | - Shouwen Chen
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Yi Yang
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China; Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials (CEM), School of Environmental Sciences and Engineering, Nanjing University of Information Science and Technology, Nanjing, 210004, China.
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28
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Choi MH, Shim HE, Yun SJ, Park SH, Choi DS, Jang BS, Choi YJ, Jeon J. Gold-Nanoparticle-Immobilized Desalting Columns for Highly Efficient and Specific Removal of Radioactive Iodine in Aqueous Media. ACS APPLIED MATERIALS & INTERFACES 2016; 8:29227-29231. [PMID: 27758102 DOI: 10.1021/acsami.6b11136] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
There has been worldwide attention on the efficient removal of radioactive iodine, because it is commonly released in nuclear plant accidents. Increasing concerns on environmental problems due to the radioactive iodine are leading us to develop stable and sustainable technology for remediation of radioelement contaminants. In this work, we report a highly efficient chromatographic method for specific and rapid capture of radioactive iodine. The gold nanoparticles immobilized dextran gel columns showed excellent removal capabilities of radioactive iodine in various conditions. These results suggested that our platform technology can be a promising method for the desalination of radioactive iodines in water.
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Affiliation(s)
- Mi Hee Choi
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute , Jeongeup, Republic of Korea
| | - Ha-Eun Shim
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute , Jeongeup, Republic of Korea
- Department of Chemistry, Kyungpook National University , Daegu, Republic of Korea
| | - Seong-Jae Yun
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute , Jeongeup, Republic of Korea
| | - Sang-Hyun Park
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute , Jeongeup, Republic of Korea
- Department of Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology , Daejeon, Republic of Korea
| | - Dae Seong Choi
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute , Jeongeup, Republic of Korea
| | - Beom-Su Jang
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute , Jeongeup, Republic of Korea
- Department of Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology , Daejeon, Republic of Korea
| | - Yong Jun Choi
- School of Environmental Engineering, The University of Seoul , Seoul, Republic of Korea
| | - Jongho Jeon
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute , Jeongeup, Republic of Korea
- Department of Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology , Daejeon, Republic of Korea
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29
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Othman SH, Elbarbary AM, Rashad G, Fasih TW. Radio-iodide uptake by modified poly (glycidyl methacrylate) as anion exchange resin. RADIOCHIM ACTA 2016. [DOI: 10.1515/ract-2016-2640] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Poly(glycidyl methacrylate) (PGMA) microspheres were prepared by radiation induced polymerization of glycidyl methacrylate (GMA) monomer. The factors affecting the degree of polymerization and yield (%) of PGMA such as type of solvent, monomer concentration, and irradiation dose were investigated. It was found that the PGMA yield (%) increases with increasing monomer concentration up to 50% and absorbed dose of 5 kGy. The resulting PGMA containing the epoxy group waschemically modified by hydroxyl amine to act as anion-exchange resin for uptake of 131I− ions. The modified PGMA (MPGMA) was characterized by Fourier transform infra-red (FT-IR) spectrophotometer, thermal gravimetric analysis (TGA) and scanning electron microscopy (SEM). I-131 is produced from the fission of U-235 with low-enrichment uranium (LEU) targets in the Egyptian Second Research Reactor (ETRR-2). Separation of iodide from the radioactive solution by batchwise and column techniques was employed to determine the adsorption capacity of the MPGMA. Quality control of 131I product solution and radiochemical purity was examined by using the ascending paper chromatography method. The uptake behavior of MPGMA towards 131I− ions were studied at different experimental conditions and achieved by X-ray fluorescence (XRF). The synthesized MPGMA showed good results as anion-exchange and an effective adsorbent for uptaking 131I− ions.
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Affiliation(s)
- Sameh H. Othman
- Nuclear Research Center, Atomic Energy Authority, Cairo, Egypt , and Second Research Reactor, Atomic Energy Authority, Cairo, P.O: 13759, Egypt , Tel.: +202 44694756, Fax: +202 44691756
| | - Ahmed M. Elbarbary
- Radiation Research of Polymer Chemistry Department, National Center for Radiation Research and Technology, Atomic Energy Authority, Cairo, Egypt
| | - Ghada Rashad
- Hot Laboratories Center, Atomic Energy Authority, Cairo, Egypt
| | - T. W. Fasih
- Hot Laboratories Center, Atomic Energy Authority, Cairo, Egypt
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30
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Xu Y, Li Y, Hua W, Zhang A, Bao J. Light-Weight Silver Plating Foam and Carbon Nanotube Hybridized Epoxy Composite Foams with Exceptional Conductivity and Electromagnetic Shielding Property. ACS APPLIED MATERIALS & INTERFACES 2016; 8:24131-42. [PMID: 27553528 DOI: 10.1021/acsami.6b08325] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Herein, light-weight and exceptionally conductive epoxy composite foams were innovatively fabricated for electromagnetic interference (EMI) shielding applications using multiwalled carbon nanotubes (MWCNTs) and 3D silver-coated melamine foam (SF) as conductive frameworks. A novel and nontraditional polymer microsphere was used to reduce the material density. The preformed, highly porous, and electrically conductive SF provided channels for fast electron transport. The MWCNTs were used to offset the decrease in conductive pathways due to the crystal defects of the silver layer and the insulating epoxy resin. Consequently, an exceptional conductivity of 253.4 S m(-1), a remarkable EMI shielding effectiveness of above 68 dB at 0.05-18 GHz, and a thermal conductivity of 0.305 W mK(-1) were achieved in these novel foams employing only 2 wt % of MWCNTs and 3.7 wt % of silver due to the synergistic effects that originated in the MWCNT and SF. These parameters are substantially higher than that achieved for the foam containing 2 wt % MWCNTs. Also, the SF exhibited little weakening in the foamability of the epoxy blends and the compression properties of resulting foams. All the results indicated that this effort provided a novel, simple, low-cost, and easily industrialized concept for fabricating light-weight, high-strength epoxy composite foams for high-performance EMI shielding applications.
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Affiliation(s)
- Yu Xu
- State Key Laboratory of Polymer Materials Engineering of China, Polymer Research Institute of Sichuan University , Chengdu 610065, China
| | - Ying Li
- State Key Laboratory of Polymer Materials Engineering of China, Polymer Research Institute of Sichuan University , Chengdu 610065, China
| | - Wei Hua
- College of Electronics and Information Engineering, Sichuan University , Chengdu 610065, China
| | - Aiming Zhang
- State Key Laboratory of Polymer Materials Engineering of China, Polymer Research Institute of Sichuan University , Chengdu 610065, China
| | - Jianjun Bao
- State Key Laboratory of Polymer Materials Engineering of China, Polymer Research Institute of Sichuan University , Chengdu 610065, China
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31
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Duan S, Liu X, Wang Y, Shao D, Alharbi NS, Alsaedi A, Li J. Highly efficient entrapment of U(VI) by using porous magnetic Ni 0.6 Fe 2.4 O 4 micro-particles as the adsorbent. J Taiwan Inst Chem Eng 2016. [DOI: 10.1016/j.jtice.2016.05.041] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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32
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Mao P, Qi B, Liu Y, Zhao L, Jiao Y, Zhang Y, Jiang Z, Li Q, Wang J, Chen S, Yang Y. AgII doped MIL-101 and its adsorption of iodine with high speed in solution. J SOLID STATE CHEM 2016. [DOI: 10.1016/j.jssc.2016.02.030] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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33
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Wang Q, Shi X, Liu E, Xu J, Crittenden JC, Zhang Y, Cong Y. Preparation and Photoelectrochemical Performance of Visible-Light Active AgI/TiO2-NTs Composite with Rich β-AgI. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.6b00883] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Qi Wang
- School
of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
- The
Brook Byer Institute for Sustainable Systems and School of Civil and
Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Xiaodong Shi
- School
of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Enqin Liu
- School
of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Jianjia Xu
- School
of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
| | - John C. Crittenden
- The
Brook Byer Institute for Sustainable Systems and School of Civil and
Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Yi Zhang
- School
of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Yanqing Cong
- School
of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
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34
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Mu W, Yu Q, Li X, Wei H, Jian Y. Adsorption of radioactive iodine on surfactant-modified sodium niobate. RSC Adv 2016. [DOI: 10.1039/c6ra18091d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
To capture radioactive iodine from wastewater, nanofibers and cubes of Ag2O anchored to sodium niobate composites were prepared as absorbents.
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Affiliation(s)
- Wanjun Mu
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
| | - Qianhong Yu
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
| | - Xingliang Li
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
| | - Hongyua Wei
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
| | - Yuan Jian
- Institute of Nuclear Physics and Chemistry
- China Academy of Engineering Physics
- Mianyang
- P. R. China
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35
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Meng F, Liu Y, Xue T, Su Q, Wang W, Qi T. Structures, formation mechanisms, and ion-exchange properties of α-, β-, and γ-Na2TiO3. RSC Adv 2016. [DOI: 10.1039/c6ra16984h] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The structure of β-Na2TiO3 was refined. The formation/transformation mechanisms and ion-exchange properties of α-, β-, and γ-Na2TiO3 were investigated.
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Affiliation(s)
- Fancheng Meng
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Yahui Liu
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Tianyan Xue
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Qian Su
- Key Laboratory of Green Process and Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Weijing Wang
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Tao Qi
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
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36
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Armani MA, Abu-Taleb A, Remalli N, Abdullah M, Srikanth VVSS, Labhasetwar NK. Dragon's blood-aided synthesis of Ag/Ag2O core/shell nanostructures and Ag/Ag2O decked multi-layered graphene for efficient As(iii) uptake from water and antibacterial activity. RSC Adv 2016. [DOI: 10.1039/c6ra05061a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Excellent As(iii) uptake and antibacterial activities of Ag/Ag2O core/shell and multi-layered graphene nanostructures obtained with the aid of Dragon's blood.
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Affiliation(s)
- Mokhtar Ali Armani
- School of Engineering Sciences and Technology (SEST)
- University of Hyderabad
- Hyderabad 500046
- India
- Faculty of Engineering and Information Technology
| | - Ahmed Abu-Taleb
- Faculty of Engineering and Information Technology
- Taiz University
- Taiz 6803
- Yemen
| | - Nagarjuna Remalli
- School of Engineering Sciences and Technology (SEST)
- University of Hyderabad
- Hyderabad 500046
- India
| | - Maaged Abdullah
- Faculty of Engineering and Information Technology
- Taiz University
- Taiz 6803
- Yemen
| | - Vadali V. S. S. Srikanth
- School of Engineering Sciences and Technology (SEST)
- University of Hyderabad
- Hyderabad 500046
- India
| | - Nitin K. Labhasetwar
- CSIR-National Environmental Engineering Research Institute (CSIR-NEERI)
- Nagpur 440020
- India
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37
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Liu S, Wang N, Zhang Y, Li Y, Han Z, Na P. Efficient removal of radioactive iodide ions from water by three-dimensional Ag2O-Ag/TiO2 composites under visible light irradiation. JOURNAL OF HAZARDOUS MATERIALS 2015; 284:171-181. [PMID: 25463231 DOI: 10.1016/j.jhazmat.2014.10.054] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Revised: 10/17/2014] [Accepted: 10/20/2014] [Indexed: 06/04/2023]
Abstract
Three-dimensional Ag2O and Ag co-loaded TiO2 (3D Ag2O-Ag/TiO2) composites have been synthesized through a facile method, characterized using SEM, EDX, TEM, XRD, XPS, UV-vis DRS, BET techniques, and applied to remove radioactive iodide ions (I(-)). The photocatalytic adsorption capacity (207.6 mg/g) of the 3D Ag2O-Ag/TiO2 spheres under visible light is four times higher than that in the dark, which is barely affected by other ions, even in simulated salt lake water where the concentration of Cl(-) is up to 590 times that of I(-). The capability of the composites to remove even trace amounts of I(-) from different types of water, e.g., deionized or salt lake water, is demonstrated. The composites also feature good reusability, as they were separated after photocatalytic adsorption and still performed well after a simple regeneration. Furthermore, a mechanism explaining the highly efficient removal of radioactive I(-) has been proposed according to characterization analyses of the composites after adsorption and subsequently been verified by adsorption and desorption experiments. The proposed cooperative effects mechanism considers the interplay of three different phenomena, namely, the adsorption performance of Ag2O for I(-), the photocatalytic ability of Ag/TiO2 for oxidation of I(-), and the readsorption performance of AgI for I2.
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Affiliation(s)
- Shuaishuai Liu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Na Wang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Yuchang Zhang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Yaru Li
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Zhuo Han
- CECEP Environmental Protection Investment Development Co., Ltd., Jiangxi 3300969, China
| | - Ping Na
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; Tianjin Co-Innovation Center of Chemical Science and Engineering, Tianjin 300072, China.
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38
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Sun J, Liu L, Zhao X, Yang S, Komarneni S, Yang D. Capture of radioactive cations from water using niobate nanomaterials with layered and tunnel structures. RSC Adv 2015. [DOI: 10.1039/c5ra10907h] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Layered KNb3O8 nanorods and tunnel structured Na2Nb2O6·H2O nanofibers, display ideal properties for removal of radioactive cations such as Sr2+, Ba2+ (as simulant for 226Ra2+) and Cs+ ions from wastewater through ion exchange process.
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Affiliation(s)
- Jin Sun
- Collaborative Innovation Centre for Marine Biomass Fibers
- Materials and Textiles of Shandong Province
- College of Chemistry
- Chemical and Environmental Engineering
- Qingdao University
| | - Long Liu
- Collaborative Innovation Centre for Marine Biomass Fibers
- Materials and Textiles of Shandong Province
- College of Chemistry
- Chemical and Environmental Engineering
- Qingdao University
| | - Xiaoliang Zhao
- Collaborative Innovation Centre for Marine Biomass Fibers
- Materials and Textiles of Shandong Province
- College of Chemistry
- Chemical and Environmental Engineering
- Qingdao University
| | - Shuanglei Yang
- State Key Laboratory of Powder Metallurgy
- Central South University
- Changsha
- China 410083
| | - Sridhar Komarneni
- Materials Research Institute and Department of Ecosystem Science and Management
- The Pennsylvania State University
- University Park
- Pennsylvania 16802
- USA
| | - Dongjiang Yang
- Collaborative Innovation Centre for Marine Biomass Fibers
- Materials and Textiles of Shandong Province
- College of Chemistry
- Chemical and Environmental Engineering
- Qingdao University
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39
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Li L, Xu M, Chubik M, Chubik M, Gromov A, Wei G, Han W. Entrapment of radioactive uranium from wastewater by using fungus-Fe3O4 bio-nanocomposites. RSC Adv 2015. [DOI: 10.1039/c5ra03643g] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Magnetically separable adsorbents with high sorption capacity for nuclear wastewater treatment have been successfully synthesized on the basis of fungus-Fe3O4 nanoparticle bio-nanocomposites through a simple co-culture method.
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Affiliation(s)
- La Li
- College of Physics
- Jilin University
- Changchun
- P. R. China
| | - Mingze Xu
- College of Physics
- Jilin University
- Changchun
- P. R. China
| | | | | | - Alexander Gromov
- College of Physics
- Jilin University
- Changchun
- P. R. China
- Tomsk Polytechnical University
| | - Guodong Wei
- School of Materials
- Ningbo University of Technology
- Ningbo City 315016
- P.R. China
| | - Wei Han
- College of Physics
- Jilin University
- Changchun
- P. R. China
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40
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Garg T, Rath G, Goyal AK. Biomaterials-based nanofiber scaffold: targeted and controlled carrier for cell and drug delivery. J Drug Target 2014; 23:202-21. [PMID: 25539071 DOI: 10.3109/1061186x.2014.992899] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Nanofiber scaffold formulations (diameter less than 1000 nm) were successfully used to deliver the drug/cell/gene into the body organs through different routes for an effective treatment of various diseases. Various fabrication methods like drawing, template synthesis, fiber-mesh, phase separation, fiber-bonding, self-assembly, melt-blown, and electrospinning are successfully used for fabrication of nanofibers. These formulations are widely used in various fields such as tissue engineering, drug delivery, cosmetics, as filter media, protective clothing, wound dressing, homeostatic, sensor devices, etc. The present review gives a detailed account on the need of the nanofiber scaffold formulation development along with the biomaterials and techniques implemented for fabrication of the same against innumerable diseases. At present, there is a huge extent of research being performed worldwide on all aspects of biomolecules delivery. The unique characteristics of nanofibers such as higher loading efficiency, superior mechanical performance (stiffness and tensile strength), controlled release behavior, and excellent stability helps in the delivery of plasmid DNA, large protein drugs, genetic materials, and autologous stem-cell to the target site in the future.
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Affiliation(s)
- Tarun Garg
- Department of Pharmaceutics, ISF College of Pharmacy , Moga, Punjab , India
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41
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Potassium niobate nanolamina: a promising adsorbent for entrapment of radioactive cations from water. Sci Rep 2014; 4:7313. [PMID: 25472721 PMCID: PMC4255181 DOI: 10.1038/srep07313] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Accepted: 11/13/2014] [Indexed: 11/25/2022] Open
Abstract
Processing and managing radioactive waste is a great challenge worldwide as it is extremely difficult and costly; the radioactive species, cations or anions, leaked into the environment are a serious threat to the health of present and future generations. We report layered potassium niobate (K4Nb6O17) nanolamina as adsorbent to remove toxic Sr2+, Ba2+ and Cs+ cations from wastewater. The results show that K4Nb6O17 nanolamina can permanently confine the toxic cations within the interlayer spacing via a considerable deformation of the metastable layered structure during the ion exchange process. At the same time, the nanolaminar adsorbent exhibits prompt adsorption kinetics, high adsorption capacity and selectivity, and superior acid resistance. These merits make it be a promising material as ion exchanger for the removal of radioactive cations from wastewater.
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42
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Liu L, Liu W, Zhao X, Chen D, Cai R, Yang W, Komarneni S, Yang D. Selective capture of iodide from solutions by microrosette-like δ-Bi₂O₃. ACS APPLIED MATERIALS & INTERFACES 2014; 6:16082-16090. [PMID: 25170974 DOI: 10.1021/am504000n] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Radioactive iodine isotopes that are produced in nuclear power plants and used in medical research institutes could be a serious threat to the health of many people if accidentally released to the environment because the thyroid gland can absorb and concentrate them from a liquid. For this reason, uptake of iodide anions was investigated on microrosette-like δ-Bi2O3 (MR-δ-Bi2O3). The MR-δ-Bi2O3 adsorbent showed a very high uptake capacity of 1.44 mmol g(-1) by forming insoluble Bi4I2O5 phase. The MR-δ-Bi2O3 also displayed fast uptake kinetics and could be easily separated from a liquid after use because of its novel morphology. In addition, the adsorbent showed excellent selectivity for I(-) anions in the presence of large concentrations of competitive anions such as Cl(-) and CO3(2-), and could work in a wide pH range of 4-11. This study led to a new and highly efficient Bi-based adsorbent for iodide capture from solutions.
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Affiliation(s)
- Long Liu
- Collaborative Innovation Center for Marine Biomass Fibers, Materials and Textiles of Shandong Province, College of Chemistry, Chemical and Environmental Engineering, and ‡Library of Qingdao University, Qingdao University , Qingdao 266071, China
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43
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Visible-Light-Induced Selective Photocatalytic Oxidation of Benzylamine into Imine over Supported Ag/AgI Photocatalysts. ChemCatChem 2014. [DOI: 10.1002/cctc.201301030] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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