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Wang C, Zhou S, Wang X, Tan W, Feng X. Photocatalytic activation of sulfite by maghemite (γ-Fe 2O 3) for iohexol degradation and alleviation effect of HCO 3- on water acidification. Environ Pollut 2024; 346:123557. [PMID: 38355082 DOI: 10.1016/j.envpol.2024.123557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/27/2024] [Accepted: 02/10/2024] [Indexed: 02/16/2024]
Abstract
Photo-catalyzing sulfite (S(IV)) for the generation of sulfate radical (SO4•-) has emerged as a novel advanced oxidation process (AOP) recently. However, both the potential of soil minerals as effective photocatalysts and the process of water acidification due to S(IV) oxidation have been overlooked. Herein, maghemite (γ-Fe2O3), a typical soil iron oxide with excellent photocatalytic reactivity like hematite and magnetic-collectible property like magnetite, was successfully used to activate S(IV) for iohexol degradation under visible light irradiation. As a result, 91.3% of iohexol was eliminated within 15 min at 0.1 g/L maghemite and 0.5 mM S(IV) under neutral conditions. The influencing factors, including initial pH, catalyst dosage, S(IV) amount, co-existing substances and water matrix, were systematically investigated. The maghemite/S(IV)/vis system exhibited superior performance in iohexol degradation at a wide pH range (3-10). It was found that the released proton via S(IV) oxidation led to severe water acidification. Interestingly, a low dose of HCO3- could evidently resist water acidification with little influence on iohexol elimination. Radical quenching experiments and electron spin resonance (ESR) analysis confirmed that SO4•-, •OH and •O2- were involved in iohexol abatement with SO4•- being the dominant reactive species. Compared with hydrogen peroxide, persulfate and peroxymonosulfate, the established maghemite/S(IV)/vis system achieved much more remarkable degradation performance. Furthermore, the reactivity of the catalyst was not obviously reduced even after 10 runs of reaction. This study expands the application of soil iron oxide mineral in S(IV) activation in water treatment and proposes an approach to regulate water acidification in S(IV)-based AOP.
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Affiliation(s)
- Cheng Wang
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs of the People's Republic of China, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Shuijing Zhou
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs of the People's Republic of China, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Xiaoming Wang
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs of the People's Republic of China, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Wenfeng Tan
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs of the People's Republic of China, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Xionghan Feng
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs of the People's Republic of China, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
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Duan Y, Zhang R, Han P, Wong NH, Sunarso J, Liu S, Yu J. Fabricating an adsorbent and micro-nano bubble catalyst through confining maghemite in the β cage of NaY zeolite. Chemosphere 2024; 350:141103. [PMID: 38184083 DOI: 10.1016/j.chemosphere.2023.141103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 12/11/2023] [Accepted: 12/31/2023] [Indexed: 01/08/2024]
Abstract
This work reports the ion exchange fabrication of maghemite (γ-Fe2O3) modified NaY zeolite (Fe2O3@Y) with bifunction of adsorption and catalysis. The Fe3+ successfully replaced the Na+ in the β cage of zeolite in the ion exchange process and coordinated with framework oxygens to form magnetic γ-Fe2O3. Therefore, most of the γ-Fe2O3 particles were confined in the β cages, which resulted in the high dispersal and stability of the catalyst. The Fe2O3@Y could remove methylene blue (MB) model pollutants up to 59.02 and 61.47% through the adsorption and catalysis process, respectively. The hydrogen bond between the OH- ions around the Fe2O3@Y surface and the N and O presented in the MB molecules enabled the chemical adsorption to MB, which accorded with the pseudo-second-order kinetic model. Further, the H+ existed in the solution and the β cage of zeolite promoted the collapse of micro-nano bubbles (MNBs). Then, the γ-Fe2O3 catalyst would be activated by high temperature and oxidated OH- to produce hydroxyl radicals for pollutant degradation. Thus, pollutant removal was attributed to the combined effects of adsorption and catalysis in the Fe2O3@Y + MNB system. In this work, the Fe2O3@Y was demonstrated as a potentially magnetic adsorbent or MNB catalyst for wastewater treatment.
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Affiliation(s)
- Yalong Duan
- Research Group of Environmental Catalysis & Separation Process, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Ruxia Zhang
- Research Group of Environmental Catalysis & Separation Process, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Pengfei Han
- Research Group of Environmental Catalysis & Separation Process, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Ngie Hing Wong
- Research Centre for Sustainable Technologies, Faculty of Engineering, Computing and Science, Swinburne University of Technology, Jalan Simpang Tiga, 93350, Kuching, Sarawak, Malaysia
| | - Jaka Sunarso
- Research Centre for Sustainable Technologies, Faculty of Engineering, Computing and Science, Swinburne University of Technology, Jalan Simpang Tiga, 93350, Kuching, Sarawak, Malaysia
| | - Shaomin Liu
- Research Group of Environmental Catalysis & Separation Process, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Jiang Yu
- Research Group of Environmental Catalysis & Separation Process, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China.
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Zeng H, Zhao W, Sun S, Sun X, Zeng Y, Hao R, Zhang J, Li D. Facile preparation of maghemite based on iron sludge for arsenic removal from water. Sci Total Environ 2024; 906:167575. [PMID: 37806569 DOI: 10.1016/j.scitotenv.2023.167575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 09/14/2023] [Accepted: 10/01/2023] [Indexed: 10/10/2023]
Abstract
In this study, we demonstrated the effective acquisition of magnetic iron oxide (MIO) for As(V) adsorption by high-temperature pyrolysis of waste iron sludge from the water treatment plant under a confined environment without adding extra chemical reagents. The operating temperature and time in the pyrolysis process were optimized to improve the yield of MIO and its As(V) adsorption capacity. MIO500-2(500 °C, 2 h) had both relatively high yield and arsenic adsorption efficiency, which was characterized by XRD and XPS as mainly γ-Fe2O3 with small particle size (100-900 nm), significant mesopore (12.43 nm), high specific surface area (65.25 m2/g), and effective saturation magnetization intensity (14.45 emu/g). The maximum adsorption capacity was 14.2 ± 0.4 mg/g, and the removal rate could still reach about 80 % after five times of adsorbent regeneration. Considering this facile preparation route and its high yield, large-scale production of MIO from waste iron sludge is feasible, which is expected to provide a low-cost and efficient adsorbent for the treatment of arsenic-containing water in less economically developed areas.
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Affiliation(s)
- Huiping Zeng
- Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
| | - Weihua Zhao
- Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
| | - Siqi Sun
- Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
| | - Xiao Sun
- Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
| | - Yuwei Zeng
- Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
| | - Ruixia Hao
- Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
| | - Jie Zhang
- Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Dong Li
- Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China.
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Fröhlich AC, Caon NB, Parize AL. Magnetic hydrogel based on xylan, poly (acrylic acid), and maghemite as adsorbent material for methylene blue adsorption: experimental design, kinetic, and isotherm. Environ Sci Pollut Res Int 2023:10.1007/s11356-023-30845-6. [PMID: 37964143 DOI: 10.1007/s11356-023-30845-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 10/30/2023] [Indexed: 11/16/2023]
Abstract
A magnetic hydrogel based on xylan (X), poly (acrylic acid), and maghemite (γ-Fe2O3) named HXA-Fe2O3 was synthesized, characterized, and applied as an alternative material to remove methylene blue (MB) from aqueous media by adsorption. Maghemite was synthesized by coprecipitation method and later incorporated in the hydrogel matrix synthesized by free radical polymerization. The characterization studies included FTIR, DSC, XRD, VSM, Zeta Potential, TGA, SEM, TEM, and N2 adsorption isotherms (BET). The physicochemical characterization results confirmed the intended synthesis and showed the compositional, thermal, structural, morphological, textural, and magnetic profile of the materials. The adsorption studies included experimental design, kinetic, and isotherm. A full factorial design was employed considering the factors adsorbent dosage (g L-1), pH, and ionic strength (mmol L-1 of NaCl) for adsorption capacity and removal percentage responses. As ionic strength was not significant, a Doehlert design was employed with adsorbent dosage and pH, indicating the optimal adsorption conditions. The kinetics was well described by the PSO model, while the isotherm obeyed the Sips model. Equilibrium was attained at 60 min, and the maximum experimental adsorption capacity was up to 250.26 mg g-1 at pH 8.5, adsorbent dosage of 0.2 g L-1, and 298 K. These findings show that the magnetic hydrogel produced has great potential to be applied in the adsorption of basic molecules, such as MB.
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Affiliation(s)
- Andressa Cristiana Fröhlich
- POLIMAT, Grupo de Estudos em Materiais Poliméricos, Chemistry Department, Federal University of Santa Catarina-UFSC, Campus Reitor João David Ferreira Lima, s/n-88040-900, Florianópolis, Brazil
| | - Natália Bruzamarello Caon
- POLIMAT, Grupo de Estudos em Materiais Poliméricos, Chemistry Department, Federal University of Santa Catarina-UFSC, Campus Reitor João David Ferreira Lima, s/n-88040-900, Florianópolis, Brazil
| | - Alexandre Luis Parize
- POLIMAT, Grupo de Estudos em Materiais Poliméricos, Chemistry Department, Federal University of Santa Catarina-UFSC, Campus Reitor João David Ferreira Lima, s/n-88040-900, Florianópolis, Brazil.
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Pino-Sandoval DA, Cantú-Cárdenas ME, Rodríguez-González V, Patrón-Soberano OA, Rosas-Castor JM, Murillo-Sierra JC, Hernández-Ramírez A. Solar heterogeneous photo-Fenton for complete inactivation of Escherichia coli and Salmonella typhimurium in secondary-treated wastewater effluent. Chemosphere 2023; 342:140132. [PMID: 37690560 DOI: 10.1016/j.chemosphere.2023.140132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 08/17/2023] [Accepted: 09/07/2023] [Indexed: 09/12/2023]
Abstract
In this work, complete elimination of Escherichia coli and Salmonella typhimurium was achieved in 120 min using a heterogeneous photo-Fenton process under sunlight at pH 6.5 in distilled water. A face-centered composite central design 22 with one categoric factor and three replicates at the central point was used to evaluate the effect of iron (III) oxide concentration (0.8-3.4 mg L-1), H2O2 (2-10 mg L-1), and the type of iron oxide phase (maghemite and hematite) on the inactivation of both bacteria. The results showed that the amount of catalyst, H2O2 concentration and their interaction were significant factors (p < 0.05) in the elimination of the microorganisms. Thus, under the best conditions (3.4 mg L-1 of iron (III) oxide and 10 mg L-1 of H2O2) in the experimental ranges, complete inactivation of E. coli and S. typhimurium was achieved (6-log reduction) in 120 min using the photo-Fenton treatment with both iron-oxide phases. Furthermore, the photocatalytic elimination of both bacteria by the photo-Fenton process using hematite and maghemite in secondary-treated wastewater effluent was performed obtaining slower inactivation rates (1.2-5.9 times) than in distilled water due to the matrix effect of the effluent from a wastewater treatment plant. Nevertheless, the process continued to be effective in the effluent, achieving complete bacterial elimination in 150 min using the hematite phase. Additionally, the SEM images of the bacterial cells showed that the heterogeneous photo-Fenton treatment generated permanent and irreversible cell damage, resulting in complete cell death.
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Affiliation(s)
- Diego A Pino-Sandoval
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Cd. Universitaria, San Nicolás de Los Garza, C.P. 66455, Nuevo León, Mexico; Universidad Politécnica de Apodaca, Av. Politécnica No. 2331, El Barretal, Apodaca, C. P. 66600, Nuevo León, Mexico
| | - M Elena Cantú-Cárdenas
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Cd. Universitaria, San Nicolás de Los Garza, C.P. 66455, Nuevo León, Mexico
| | - Vicente Rodríguez-González
- IPICyT, Instituto Potosino de Investigación Científica y Tecnológica, División de Biología Molecular, División de Materiales Avanzados, Camino a La Presa San José 2055, Lomas 4a. Sección, 78216, San Luis Potosí, S.L.P., Mexico
| | - O Araceli Patrón-Soberano
- IPICyT, Instituto Potosino de Investigación Científica y Tecnológica, División de Biología Molecular, División de Materiales Avanzados, Camino a La Presa San José 2055, Lomas 4a. Sección, 78216, San Luis Potosí, S.L.P., Mexico
| | - J Martín Rosas-Castor
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Cd. Universitaria, San Nicolás de Los Garza, C.P. 66455, Nuevo León, Mexico
| | - J Camilo Murillo-Sierra
- Facultad de Ciencias Químicas, Universidad de Concepción, Edmundo Larenas 129, Concepción, Chile
| | - Aracely Hernández-Ramírez
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Cd. Universitaria, San Nicolás de Los Garza, C.P. 66455, Nuevo León, Mexico.
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Karimian F, Ayoubi S, Khalili B, Mireei SA. Magnetic susceptibility as a proxy for detection of total petroleum hydrocarbons in contaminated wetlands. Environ Monit Assess 2022; 195:244. [PMID: 36576613 DOI: 10.1007/s10661-022-10826-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Soil petroleum hydrocarbon contamination in the wetlands could cause ecological risk, especially through leakage into water reservoirs. So, the detection of the spatial variability of total petroleum hydrocarbons (TPH) in these soils is very crucial. The variability of TPH and its associations with magnetic susceptibility (χlf) in contaminated soils around the Shadegan pond in southern Iran was investigated. TPH varied from 2.1 to 18.1% (w/w), by the variation of χlf from 14.08 to 713.93 × 10-8 m3 kg-1. The highest variability (coefficient of variation, CV = 107.12%) was obtained for χlf indicating significant impacts of magnetic minerals induced by crude oil contamination. High positive correlations were detected among TPH, χlf, and different forms of iron (Fed: extracted by CBD, Feo: extracted by oxalate, and Fet: total iron). The results of mineralogy by powdery XRD and scanning electron microscopy (SEM), also revealed the formation of ferrimagnetic minerals (magnetite, maghemite) during the biodegradation of petroleum hydrocarbons. The stepwise multiple regression analysis showed that χlf and Fed made a great contribution and could explain about 74% of TPH variability in the studied sites. For the extension of this cost-effective and rapid technique, further work is needed to assay saturation isothermal remnant magnetization and isothermal remanet magnetization in contaminated sites.
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Affiliation(s)
- Fereshteh Karimian
- Department of Soil Science, College of Agriculture, Isfahan University of Technology, Isfahan, 8415683111, Iran
| | - Shamsollah Ayoubi
- Department of Soil Science, College of Agriculture, Isfahan University of Technology, Isfahan, 8415683111, Iran.
| | - Banafshe Khalili
- Department of Soil Science, College of Agriculture, Isfahan University of Technology, Isfahan, 8415683111, Iran
| | - Seyed Ahmad Mireei
- Department of Biosystems Engineering, College of Agriculture, Isfahan University of Technology, Isfahan, 8415683111, Iran
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Ambrož A, Ban I, Luxbacher T. Assessment of the Capability of Magnetic Nanoparticles to Recover Neodymium Ions from Aqueous Solution. Acta Chim Slov 2022; 69:826-836. [PMID: 36562162 DOI: 10.17344/acsi.2022.7570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 12/14/2022] Open
Abstract
Magnetic nanoparticles (MNPs) have received increasing attention for various applications due to their fast synthesis, versatile functionalization, and recyclability by the application of a magnetic field. The high surface-to-volume ratio of MNP dispersions has suggested their use as an adsorbent for the removal of heavy metal ions. We investigated the applicability of MNPs composed of a maghemite core surrounded by a silica shell functionalized with aminopropylsilane, γ-Fe2O3-NH4OH@SiO2(APTMS), for the removal of neodymium ions (Nd3+) from aqueous solution. The MNPs were characterized for their size, composition, surface functionality and charge. Despite of the promising properties of MNPs, their removal from the aqueous dispersion with an external magnet was not sufficient to reliably quantify the adsorption of Nd3+ by UV-Vis spectroscopy.
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Novikau R, Lujanienė G, Pakštas V, Talaikis M, Mažeika K, Drabavičius A, Naujokaitis A, Šemčuk S. Adsorption of caesium and cobalt ions on the muscovite mica clay-graphene oxide-γ-Fe 2O 3-Fe 3O 4 composite. Environ Sci Pollut Res Int 2022; 29:74933-74950. [PMID: 35648351 DOI: 10.1007/s11356-022-21078-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
The muscovite mica clay-graphene oxide-maghemite-magnetite (γ-Fe2O3-Fe3O4) composite was first used for the adsorption of caesium(I) and cobalt(II). The presence of clay minerals, graphene oxide, maghemite, and magnetite was detected in the prepared composite by XRD, WD-XRF, Mössbauer spectroscopy, and ATR-FTIR. The SEM and TEM results show that the composite has a layered structure with irregularly shaped pores on the surface. It was found that the adsorption of ions depends on the initial concentration, pH (except for caesium), mass of adsorbent, temperature, and contact time. The maximum adsorption capacity for Cs(I) and Co(II) was 2286 mg/g and 652 mg/g, respectively, and was obtained at concentrations (Cs(I) = 12,630 mg/L; Co(II) = 3200 mg/L), adsorbent mass of 0.01 g, pH (Cs(I) = 7; Co(II) = 5), temperature of 20 ± 1 °C, and contact time of 24 h. The high adsorption capacity of the composite could be due to a diversity of functional groups, a large number of active sites or the multilayer adsorption of caesium and cobalt ions on the surface of the composite. The Freundlich, Langmuir isotherms, and the pseudo-second-order kinetic model better describe the adsorption of these ions on the composite. The adsorption was non-spontaneous endothermic for Cs(I) and spontaneous endothermic for Co(II). The proposed mechanism of adsorption of Cs and Co ions on the composite is complex and involves electrostatic interactions and ion exchange. The ANFIS model proved to be quite effective in predicting the adsorption of Cs(I) and Co(II), as shown by the obtained values of R2, MSE, SSE, and ARE.
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Affiliation(s)
- Raman Novikau
- Department of Environmental Research, State Research Institute Center for Physical Sciences and Technology, Savanoriu Ave. 231, 02300, Vilnius, Lithuania.
| | - Galina Lujanienė
- Department of Environmental Research, State Research Institute Center for Physical Sciences and Technology, Savanoriu Ave. 231, 02300, Vilnius, Lithuania
| | - Vidas Pakštas
- Department of Characterisation of Materials Structure, State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, 10257, Vilnius, Lithuania
| | - Martynas Talaikis
- Department of Organic Chemistry, State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, 10257, Vilnius, Lithuania
| | - Kęstutis Mažeika
- Department of Nuclear Research, State Research Institute Center for Physical Sciences and Technology, Savanoriu Ave. 231, 02300, Vilnius, Lithuania
| | - Audrius Drabavičius
- Department of Characterisation of Materials Structure, State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, 10257, Vilnius, Lithuania
| | - Arnas Naujokaitis
- Department of Characterisation of Materials Structure, State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, 10257, Vilnius, Lithuania
| | - Sergej Šemčuk
- Department of Environmental Research, State Research Institute Center for Physical Sciences and Technology, Savanoriu Ave. 231, 02300, Vilnius, Lithuania
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Su M, Li H, Liu Z, Peng H, Huang S, Zhou Y, Liao C, Song G, Chen D. Highly-efficient and easy separation of γ-Fe 2O 3 selectively adsorbs U(Ⅵ) in waters. Environ Res 2022; 210:112917. [PMID: 35151660 DOI: 10.1016/j.envres.2022.112917] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/30/2022] [Accepted: 02/06/2022] [Indexed: 06/14/2023]
Abstract
The migration and transformation of uranyl [U (Ⅵ)] ions in the environment are quite dependent on the geological condition in particular with the site enriched in Fe. In this study, the interfacial interaction of U (Ⅵ) ions with maghemite (γ-Fe2O3) particles was studied and the interaction mechanism was explored as well. Batch experiments confirm that γ-Fe2O3 can effectively remove U (Ⅵ) from an aqueous solution within a relatively short reaction time (R% > 92.01% within 3 min) and has a considerable capacity for U (Ⅵ) uptake (qt: 87.35 mg/g). γ-Fe2O3 displays an excellent selectivity for U (Ⅵ) elimination. Results on the effects of natural organic matter such as humic acid (HA) indicated that HA could promote the interfacial interaction between γ-Fe2O3 and U (Ⅵ) under acidic conditions. Compared with other radionuclides (e.g., Sr(Ⅱ) and Cs(Ⅰ)), U (Ⅵ) was more effectively removed by γ-Fe2O3. The U (Ⅵ) removal by γ-Fe2O3 is primarily due to electrostatic interactions and precipitation that result in the long-term retardation of uranium. γ-Fe2O3 not only can fast and selectively adsorb U (Ⅵ) but also can be magnetically recycled, demonstrating that γ-Fe2O3 is a cost-effective and promising material for the clean-up of uranyl ions from radioactive wastewater.
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Affiliation(s)
- Minhua Su
- Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources, Guangzhou University, Guangzhou, 510006, China; School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China.
| | - Hong Li
- Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources, Guangzhou University, Guangzhou, 510006, China; School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Zequan Liu
- Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources, Guangzhou University, Guangzhou, 510006, China; School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Hairong Peng
- Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources, Guangzhou University, Guangzhou, 510006, China; School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Shuai Huang
- Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources, Guangzhou University, Guangzhou, 510006, China; School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Ying Zhou
- Department of Civil Engineering, The University of Hong Kong, Hong Kong SAR, China
| | - Changzhong Liao
- Department of Civil Engineering, The University of Hong Kong, Hong Kong SAR, China
| | - Gang Song
- Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources, Guangzhou University, Guangzhou, 510006, China; School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Diyun Chen
- Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources, Guangzhou University, Guangzhou, 510006, China; School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China.
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Tombuloglu H, Albenayyan N, Slimani Y, Akhtar S, Tombuloglu G, Almessiere M, Baykal A, Ercan I, Sabit H, Manikandan A. Fate and impact of maghemite (γ-Fe 2O 3) and magnetite (Fe 3O 4) nanoparticles in barley (Hordeum vulgare L.). Environ Sci Pollut Res Int 2022; 29:4710-4721. [PMID: 34414536 DOI: 10.1007/s11356-021-15965-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
The increasing demand for food in the world has made sustainable agriculture practices even more important. Nanotechnology applications in many areas have also been used in sustainable agriculture in recent years for the purposes to improve plant yield, pest control, etc. However, ecotoxicology and environmental safety of nanoparticles must be evaluated before large-scale applications. This study comparatively explores the efficacy and fate of different iron oxide NPs (γ-Fe2O3-maghemite and Fe3O4-magnetite) on barley (Hordeum vulgare L.). Various NP doses (50, 100, and 200 mg/L) were applied to the seeds in hydroponic medium for 3 weeks. Results revealed that γ-Fe2O3 and Fe3O4 NPs significantly improved the germination rate (~37% for γ-Fe2O3; ~63% for Fe3O4), plant biomass, and pigmentation (P < 0.005). Compared to the control, the iron content of tissues gradually raised by the increasing NPs doses revealing their translocation, which is confirmed by VSM analysis as well. The findings suggest that γ-Fe2O3 and Fe3O4 NPs have great potential to improve barley growth. They can be recommended for breeding programs as nanofertilizers. However, special care should be paid before the application due to their unknown effects on other living beings.
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Affiliation(s)
- Huseyin Tombuloglu
- Department of Genetics Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, 31441, Saudi Arabia.
| | - Norah Albenayyan
- Department of Genetics Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, 31441, Saudi Arabia
| | - Yassine Slimani
- Department of Biophysics, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, 31441, Saudi Arabia
| | - Sultan Akhtar
- Department of Biophysics, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, 31441, Saudi Arabia
| | - Guzin Tombuloglu
- Mavisu evl., Adnan Kahveci Mah., Mimar Sinan Cad., 7/28 Beylikduzu, Istanbul, Turkey
| | - Munirah Almessiere
- Department of Biophysics, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, 31441, Saudi Arabia
| | - Abdulhadi Baykal
- Department of Nanomedicine, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, 31441, Saudi Arabia
| | - Ismail Ercan
- Department of Biophysics, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, 31441, Saudi Arabia
| | - Hussein Sabit
- Department of Genetics Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, 31441, Saudi Arabia
| | - Ayyar Manikandan
- Department of Chemistry, Bharath Institute of Higher Education and Research (BIHER), Bharath University, Chennai, Tamil Nadu, 600073, India
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Moskvin M, Huntošová V, Herynek V, Matouš P, Michalcová A, Lobaz V, Zasońska B, Šlouf M, Seliga R, Horák D. In vitro cellular activity of maghemite/cerium oxide magnetic nanoparticles with antioxidant properties. Colloids Surf B Biointerfaces 2021; 204:111824. [PMID: 33991978 DOI: 10.1016/j.colsurfb.2021.111824] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/15/2021] [Accepted: 05/04/2021] [Indexed: 12/24/2022]
Abstract
Magnetic γ-Fe2O3/CeO2 nanoparticles were obtained by precipitation of Ce(NO3)3 with ammonia in the presence of γ-Fe2O3 seeds. The formation of CeO2 nanoparticles on the seeds was confirmed by transmission electron microscopy linked with selected area electron diffraction, energy-dispersive X-ray spectroscopy, electron energy loss spectroscopy, and dynamic light scattering. The γ-Fe2O3/CeO2 particle surface was functionalized with PEG-neridronate to improve the colloidal stability in PBS and biocompatibility. Chemical and in vitro biological assays proved that the nanoparticles, due to the presence of cerium oxide, effectively scavenged radicals, thus decreasing oxidative stress in the model cell line. PEG functionalization of the nanoparticles diminished their in vitro aggregation and facilitated lysosomal cargo degradation in cancer cells during autophagy, which resulted in concentration-dependent cytotoxicity of the nanoparticles. Finally, the iron oxide core allowed easy magnetic separation of the particles from liquid media and may enable monitoring of nanoparticle biodistribution in organisms using magnetic resonance imaging.
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Affiliation(s)
- Maksym Moskvin
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06, Prague 6, Czech Republic
| | - Veronika Huntošová
- Center of Interdisciplinary Biosciences, Technology and Innovation Park, Pavol Jozef Šafárik University in Košice, Jesenná 5, 041 01, Košice, Slovak Republic
| | - Vít Herynek
- Center for Advanced Preclinical Imaging, First Faculty of Medicine, Charles University, Kateřinská 32, 120 00, Prague 2, Czech Republic
| | - Petr Matouš
- Center for Advanced Preclinical Imaging, First Faculty of Medicine, Charles University, Kateřinská 32, 120 00, Prague 2, Czech Republic
| | - Alena Michalcová
- Department of Metals and Corrosion Engineering, University of Chemistry and Technology, Technická 5, Prague 6, 166 28, Czech Republic
| | - Volodymyr Lobaz
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06, Prague 6, Czech Republic
| | - Beata Zasońska
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06, Prague 6, Czech Republic
| | - Miroslav Šlouf
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06, Prague 6, Czech Republic
| | - Róbert Seliga
- Center of Interdisciplinary Biosciences, Technology and Innovation Park, Pavol Jozef Šafárik University in Košice, Jesenná 5, 041 01, Košice, Slovak Republic
| | - Daniel Horák
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06, Prague 6, Czech Republic.
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Santos de Lima A, Fernandes Pupo Nogueira R. Cerium-modified iron oxides applied as catalysts in the heterogeneous Fenton system for degradation of cephalexin. Environ Sci Pollut Res Int 2021; 28:23767-23777. [PMID: 33123892 DOI: 10.1007/s11356-020-11238-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 10/12/2020] [Indexed: 06/11/2023]
Abstract
The effect of incorporation of different amounts of cerium on iron oxides and different heat treatment temperatures was evaluated for the degradation of cephalexin (CEX) using heterogeneous Fenton and photo-Fenton processes. The materials were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), specific area (BET), and zeta potential (ZP). The conversion of magnetite to maghemite was observed when a 140 °C thermal treatment was applied. The insertion of cerium resulted in a loss of the uniform spherical shape of the particles. The material containing the lowest amount of cerium (0.5% w/w) presented an increase in the specific area from 91.2 to 171.6 m2 g-1 relative to the pure iron oxide, while with 2% (w/w) a decrease to 99.2 m2 g-1 was observed for the materials treated at 70 °C. The same behavior was observed for materials treated at 140 °C, however, with smaller areas. At pH 6.0, a low catalytic activity was observed contrasting to the high consumption of H2O2, suggesting its catalytic decomposition into water and oxygen. This was confirmed by the very low production of HO• in the degradation system. On the other hand, the high production of HO• was observed at pH 3.5, which was chosen as a working pH. The material treated at 140 °C and containing 1% Ce (w/w) was the highlight, promoting degradation of 0.052 mg of CEX per m2 area of the catalyst after 150 min using 1.0 mmol L-1 of H2O2. The CEX intermediates identified indicated hydroxylation as the major route of degradation.
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Affiliation(s)
- Amanda Santos de Lima
- Institute of Chemistry, São Paulo State University (UNESP), Araraquara, SP, 14800-060, Brazil
| | - Raquel Fernandes Pupo Nogueira
- Institute of Chemistry, São Paulo State University (UNESP), Araraquara, SP, 14800-060, Brazil.
- National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Institute of Chemistry, UNESP, Araraquara, SP, 14800-900, Brazil.
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Biedrzycka A, Skwarek E, Hanna UM. Hydroxyapatite with magnetic core: Synthesis methods, properties, adsorption and medical applications. Adv Colloid Interface Sci 2021; 291:102401. [PMID: 33773102 DOI: 10.1016/j.cis.2021.102401] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 03/10/2021] [Accepted: 03/13/2021] [Indexed: 12/15/2022]
Abstract
This review presents the actual state of knowledge and recent research results on the magnetic composite synthesized from iron oxide (γ-Fe2O3 or Fe3O4) and hydroxyapatite. It can be obtained applying some methods, i.e. chemical precipitation, hydrothermal, sol-gel, and biomimetic or combined techniques which exhibit characteristic properties affecting the form of the prepared product. More specific details are discussed in this paper. A comparison of the discussed synthesis methods is presented. On the basis of selected publications, a comparison of the results of the analysis by XRD, FTIR, SEM and EDX methods for hydroxyapatite with a magnetic core was also presented. Moreover, the characteristics large adsorption capacity and specific area allow employing nanocomposites as adsorbents particularly in removal of toxic metal ions. Nowadays this issue is extremely vital due to large amounts of pollutants in the environment and greater ecological awareness of people. Moreover, magnetic hydroxyapatite can be also applied as a catalyst in various syntheses or oxidation reactions as well as in medicine in magnetic resonance imaging, hyperthermia treatment, drug delivery and release, bone regeneration or cell therapy.
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Zeng H, Zhai L, Zhang J, Li D. As(V) adsorption by a novel core-shell magnetic nanoparticles prepared with Iron-containing water treatment residuals. Sci Total Environ 2021; 753:142002. [PMID: 32896728 DOI: 10.1016/j.scitotenv.2020.142002] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/21/2020] [Accepted: 08/25/2020] [Indexed: 06/11/2023]
Abstract
A novel core-shell magnetic nanoparticle was synthesized through heterogeneous nucleation technique and utilized to remove As(V) from water. Both the magnetic core and the coating material, amorphous FeOOH shell, were prepared with iron-containing water treatment residuals (WTRs), also called iron sludge. The bare magnetic nanoparticles (MNPs) and coated magnetic nanoparticles (c-MNPs) were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), Brunauer-Emmett -Teller analysis (BET), vibrating sample magnetometer (VSM) and Fourier transform infrared spectroscopy (FTIR). The c-MNPs, mainly consisting of maghemite (γ-Fe2O3) as the magnetic core and amorphous FeOOH as the coating material, could be easily separated from water through a hand-held magnet, the saturation magnetization of which is 36.4 emu/g. Freundlich adsorption isotherm model could better described the As(V) adsorption behavior of c-MNPs than Langmuir model, and kinetic data could be described well by the pseudo-second order model. The maximum As(V) adsorption capacity of c-MNPs (26.05 mg/g) was more than twice that of MNPs (12.74 mg/g). At 25 °C, 0.2 g/L of the c-MNPs could reduce the As(V) from 400 μg/L to below the maximum contaminant level (MCL) of 10 μg/L over a broad pH ranging from 4 to 8. The c-MNPs still exhibited effective adsorption in the presence of co-existing anions including nitrate, chloride, carbonate, and sulfate, whereas, silicate and phosphate had a negative influence on the As(V) adsorption. Throughout five consecutive cycles, the adsorbents could still maintain high As(V) adsorption capacity.
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Affiliation(s)
- Huiping Zeng
- Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
| | - Longxue Zhai
- Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
| | - Jie Zhang
- Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Dong Li
- Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China.
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15
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Al-Kindi USH, Al-Harthi SH, Widatallah HM, Elzain ME, Myint MTZ, Kyaw HH. Sn 2+ Doping: A Strategy for Tuning of Fe 3O 4 Nanoparticles Magnetization Dipping Temperature/Amplitude, Irreversibility, and Curie Point. Nanoscale Res Lett 2020; 15:192. [PMID: 33001332 PMCID: PMC7530164 DOI: 10.1186/s11671-020-03423-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 09/22/2020] [Indexed: 06/11/2023]
Abstract
Doped magnetite (SnxFe3-2/3xO4) nanoparticles (NPs) (12-50 nm) with different amount of Sn2+ ions (x) were synthesized using co-precipitation method. Sn2+ doping reduces the anticipated oxidation of Fe3O4 NPs to maghemite (γ-Fe2O3), making them attractive in several magnetic applications. Detailed characterizations during heating-cooling cycles revealed the possibility of tuning the unusual observed magnetization dipping temperature/amplitude, irreversibility, and Curie point of these NPs. We attribute this dip to the chemical reduction of γ-Fe2O3 at the NPs surfaces. Along with an increase in the dipping temperature, we found that doping with Sn2+ reduces the dipping amplitude, until it approximately disappears when x = 0.150. Based on the core-shell structure of these NPs, a phenomenological expression that combines both modified Bloch law (M = M0[1 - γ(T/TC)]β) and a modified Curie-Weiss law (M = - α[1/(T - TC)δ]) is developed in order to explain the observed M-T behavior at different applied external magnetic fields and for different Sn2+ concentrations. By applying high enough magnetic field, the value of the parameters γ and δ ≈ 1 which are the same in modified Bloch and Curie-Weiss laws. They do not change with the magnetic field and depend only on the material structure and size. The power β for high magnetic field was 2.6 which is as expected for this size of nanoparticles with the core dominated magnetization. However, the β value fluctuates between 3 and 10 for small magnetic fields indicating an extra magnetic contribution from the shell structure presented by Curie-Weiss term. The parameter (α) has a very small value and it turns to negative values for high magnetic fields.
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Affiliation(s)
- Umaima S H Al-Kindi
- Department of Physics, College of Science, Sultan Qaboos University, P.O. Box 36, Al-Khoudh, Muscat, 123, Sultanate of Oman
| | - Salim H Al-Harthi
- Department of Physics, College of Science, Sultan Qaboos University, P.O. Box 36, Al-Khoudh, Muscat, 123, Sultanate of Oman.
| | - Hisham M Widatallah
- Department of Physics, College of Science, Sultan Qaboos University, P.O. Box 36, Al-Khoudh, Muscat, 123, Sultanate of Oman
| | - Mohamed E Elzain
- Department of Physics, College of Science, Sultan Qaboos University, P.O. Box 36, Al-Khoudh, Muscat, 123, Sultanate of Oman
| | - Myo T Z Myint
- Department of Physics, College of Science, Sultan Qaboos University, P.O. Box 36, Al-Khoudh, Muscat, 123, Sultanate of Oman
| | - Htet H Kyaw
- Nanotechnology Research Center, Sultan Qaboos University, P.O. Box 33, Al-Khoudh, Muscat, 123, Sultanate of Oman
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16
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Yin Z, Xu S, Liu S, Xu S, Li J, Zhang Y. A novel magnetic biochar prepared by K 2FeO 4-promoted oxidative pyrolysis of pomelo peel for adsorption of hexavalent chromium. Bioresour Technol 2020; 300:122680. [PMID: 31918292 DOI: 10.1016/j.biortech.2019.122680] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 12/20/2019] [Accepted: 12/22/2019] [Indexed: 06/10/2023]
Abstract
Magnetic biochar was usually prepared using ferrous and ferric compounds as precursor of magnetic medium. Ferrate, which could be an internal oxidative modifier, was less explored for preparing magnetic biochar. Here, a magnetic biochar was prepared through K2FeO4-promoted pyrolysis of pomelo peel for adsorption of hexavalent chromium. Oxygen-containing groups and single phase ɤ-Fe2O3 were simultaneously introduced into biochar matrix at 300 °C. The magnetic biochar exhibited 209.64 mg/g maximum adsorption capability at 45 °C, outperformed the best magnetic biochar with 142.86 mg/g maximum adsorption capability at 40 °C in the literature. Moreover, a good magnetism was obtained, facilitating separation of the magnetic biochar from aqueous solution by a magnet. The removal of hexavalent chromium was contributed to the hybrid adsorption of ɤ-Fe2O3 and biochar matrix by reduction, electrostatic interaction and complexation. This method was attractive, required neither extra modifiers nor multiple operations for preparation of highly adsorptive magnetic biochar.
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Affiliation(s)
- Zhibing Yin
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, PR China
| | - Shuang Xu
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, PR China
| | - Sen Liu
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, PR China
| | - Shuying Xu
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, PR China
| | - Jihui Li
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, PR China; School of Science, Hainan University, Haikou 570228, PR China; Hainan Provincial Key Lab of Fine Chem, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, PR China.
| | - Yucang Zhang
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, School of Chemical Engineering and Technology, Hainan University, Haikou 570228, PR China
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Szymanek K, Charmas R, Piasecki W. A study on the mechanism of Ca 2+ adsorption on TiO 2 and Fe 2O 3 with the usage of calcium ion-selective electrode. Chemosphere 2020; 242:125162. [PMID: 31896189 DOI: 10.1016/j.chemosphere.2019.125162] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 10/17/2019] [Accepted: 10/20/2019] [Indexed: 06/10/2023]
Abstract
The paper presents the quantitative characterization of the solid/water interface applying both experimental and theoretical approaches for the system of TiO2 (mixture of anatase and rutile) and Fe2O3 (maghemite) with calcium ions in the pH function. The aim of the study was also to find a bonding mechanism between Ca2+ and metal oxides surface based on the calculations from the surface complexation modeling code (GEOSURF by Sahai and Sverjensky, 1998). In order to obtain adsorption edges, a calcium ion-selective electrode (Ca-ISE) was applied for determination of Ca2+ concentration in the suspensions. The results of both the Ca-ISE and parallel spectrophotometric determination were similar. The adsorption data showed that TiO2 exhibited stronger calcium binding than Fe2O3 at pH > 8. Using 2-pK TLM (triple-layer model) it was demonstrated that mechanism of the calcium adsorption onto the metal oxides surface involved different reactions. In the case of TiO2 it involved formation of >SO-_CaOH+ predominately on the β-plane and at pH > 9 also on the 0-plane. In the case of Fe2O3 one could observe the existence of (>SO-)2_Ca2+ on the β-plane in the whole studied pH range. At pH above 7 the tetranuclear complexes (>SOH)2(>SO-)2_Ca(OH)+ were found, and at pH > 9 also >SO-_CaOH+ could be observed. On the other hand, the analysis of the ζ-potential data suggested the absence of the tetra-species on the maghemite surface. The study indicated that the properly validated calcium ion-selective electrode can be an attractive instrument for monitoring Ca2+ adsorption on metal oxides in the environment.
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Affiliation(s)
- Karolina Szymanek
- Regional Research and Development Center, Józef Piłsudski University of Physical Education in Warsaw, Akademicka, 2, 21-500, Biala Podlaska, Poland.
| | - Robert Charmas
- Faculty of Computer Science and Food Sciences, Łomża State University of Applied Sciences, Akademicka 14, 18-400, Łomża, Poland
| | - Wojciech Piasecki
- Department of Chemistry and Biochemistry, Józef Piłsudski University of Physical Education in Warsaw, Akademicka 2, 21-500, Biala Podlaska, Poland
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Gagic M, Nejdl L, Xhaxhiu K, Cernei N, Zitka O, Jamroz E, Svec P, Richtera L, Kopel P, Milosavljevic V, Adam V. Fully automated process for histamine detection based on magnetic separation and fluorescence detection. Talanta 2020; 212:120789. [PMID: 32113552 DOI: 10.1016/j.talanta.2020.120789] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 01/22/2020] [Accepted: 01/27/2020] [Indexed: 12/16/2022]
Abstract
To ensure food safety and to prevent unnecessary foodborne complications this study reports fast, fully automated process for histamine determination. This method is based on magnetic separation of histamine with magnetic particles and quantification by the fluorescence intensity change of MSA modified CdSe Quantum dots. Formation of Fe2O3 particles was followed by adsorption of TiO2 on their surface. Magnetism of developed probe enabled rapid histamine isolation prior to its fluorescence detection. Quantum dots (QDs) of approx. 3 nm were prepared via facile UV irradiation. The fluorescence intensity of CdSe QDs was enhanced upon mixing with magnetically separated histamine, in concentration-dependent manner, with a detection limit of 1.6 μM. The linear calibration curve ranged between 0.07 and 4.5 mM histamine with a low LOD and LOQ of 1.6 μM and 6 μM. The detection efficiency of the method was confirmed by ion exchange chromatography. Moreover, the specificity of the sensor was evaluated and no cross-reactivity from nontarget analytes was observed. This method was successfully applied for the direct analysis of histamine in white wine providing detection limit much lower than the histamine maximum levels established by EU regulation in food samples. The recovery rate was excellent, ranging from 84 to 100% with an RSD of less than 4.0%. The main advantage of the proposed method is full automation of the analytical procedure that reduces the time and cost of the analysis, solvent consumption and sample manipulation, enabling routine analysis of large numbers of samples for histamine and highly accurate and precise results.
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Narimani-Sabegh S, Noroozian E. Magnetic solid-phase extraction and determination of ultra-trace amounts of antimony in aqueous solutions using maghemite nanoparticles. Food Chem 2019; 287:382-9. [PMID: 30857715 DOI: 10.1016/j.foodchem.2019.02.112] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 02/05/2019] [Accepted: 02/23/2019] [Indexed: 11/21/2022]
Abstract
A magnetic solid-phase extraction method was developed using maghemite as an efficient sorbent for the separation and preconcentration of antimony prior to its determination by ET-AAS. Maghemite was synthesized through a simple method and characterized by XRD, FT-IR and SEM. Various factors affecting maghemite synthesis, separation and preconcentration of antimony such as desorption solvent type, concentration and volume, desorption temperature and time, sample pH, amount of sorbent, and extraction temperature and time were optimized. The effects of interfering ions were also investigated. Under optimized conditions, the method exhibited good linearity (r2 > 0.9960). The sorption capacity and enrichment factor (EF) of the method were 37.5 mg g-1 and 242, respectively. The limit of detection (LOD) was 0.03 ng mL-1. The intraday, interday, and batch-to-batch relative standard deviations (%RSDs) were quite reasonable. The proposed method was applied to various real samples and the relative recoveries found were between 95.8 and 104.0 %.
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Figueiredo AS, Icart LP, Marques FD, Fernandes ER, Ferreira LP, Oliveira GE, Souza FG. Extrinsically magnetic poly(butylene succinate): An up-and-coming petroleum cleanup tool. Sci Total Environ 2019; 647:88-98. [PMID: 30077858 DOI: 10.1016/j.scitotenv.2018.07.421] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 06/11/2018] [Accepted: 07/30/2018] [Indexed: 06/08/2023]
Abstract
This work presents the synthesis and characterization of extrinsically magnetic poly(butylene succinate) (PBS). PBS is obtained from succinic acid (SA), which can be efficiently produced from renewable biomass by fermentation. Thus, the use of SA helps to remove CO2 from the atmosphere, constituting a good way to accumulate carbon credits. The magnetic PBS here presented was prepared by fusion using different amounts of maghemite. Obtained materials were characterized using Fourier transform infrared spectroscopy (FTIR), Thermogravimetric analysis (TGA), Differential scanning calorimetry (DSC), X-ray diffraction (XRD), Small angle X-ray scattering and magnetic force tests. Besides, the oil removal capability (OR) of the samples was also studied. All the magnetic composites were able to remove petroleum from the water. Among them, the one filled with the highest amount of magnetic particles was able to remove 11 g of oil per gram of composite. Also, XRD and SAXS results showed that PBS is a long size oriented material, which allows it to work as a thermoset, avoiding its dissolution in organic contaminant medium. As PBS can also be considered as a platform, these are promising results for the oil spill cleanup applications.
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Affiliation(s)
- André Segadas Figueiredo
- Programa de Engenharia Civil, COPPE, Centro de Tecnologia - Cidade Universitária, Av. Horácio Macedo, 2030, bloco I., Universidade Federal de Rio de Janeiro, 21941-450, Brazil
| | - Luis Peña Icart
- Faculdade de Farmácia, Cidade Universitária, Av. Carlos Chagas Filho, 373, Universidade Federal de Rio de Janeiro, 21941-170, Brazil
| | - Fernanda Davi Marques
- Instituto de Macromoléculas Professora Eloisa Mano, Centro de Tecnologia-Cidade Universitária, av. Horacio Macedo, 2030, bloco J., Universidade Federal de Rio de Janeiro, 21941-598, Brazil
| | - Edson Rodrigo Fernandes
- Programa de Engenharia Civil, COPPE, Centro de Tecnologia - Cidade Universitária, Av. Horácio Macedo, 2030, bloco I., Universidade Federal de Rio de Janeiro, 21941-450, Brazil
| | - Letícia Pedretti Ferreira
- Instituto de Macromoléculas Professora Eloisa Mano, Centro de Tecnologia-Cidade Universitária, av. Horacio Macedo, 2030, bloco J., Universidade Federal de Rio de Janeiro, 21941-598, Brazil
| | - Geiza Esperandio Oliveira
- Programa de Engenharia Civil, COPPE, Centro de Tecnologia - Cidade Universitária, Av. Horácio Macedo, 2030, bloco I., Universidade Federal de Rio de Janeiro, 21941-450, Brazil; Programa de Engenharia Química, Centro de Tecnologia-Cidade Universitária, av. Horacio Macedo, 2030, bloco G., Universidade Federal de Rio de Janeiro, 21941-450, Brazil
| | - Fernando Gomes Souza
- Programa de Engenharia Civil, COPPE, Centro de Tecnologia - Cidade Universitária, Av. Horácio Macedo, 2030, bloco I., Universidade Federal de Rio de Janeiro, 21941-450, Brazil; Instituto de Macromoléculas Professora Eloisa Mano, Centro de Tecnologia-Cidade Universitária, av. Horacio Macedo, 2030, bloco J., Universidade Federal de Rio de Janeiro, 21941-598, Brazil.
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Zhu S, Dong G, Yu Y, Yang J, Yang W, Fan W, Zhou D, Liu J, Zhang L, Huo M, Wang Y. Hydrothermal synthesis of a magnetic adsorbent from wasted iron mud for effective removal of heavy metals from smelting wastewater. Environ Sci Pollut Res Int 2018; 25:22710-22724. [PMID: 29851018 DOI: 10.1007/s11356-018-2378-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 05/22/2018] [Indexed: 06/08/2023]
Abstract
A magnetic adsorbent (MA) was synthesized from wasted iron mud of a groundwater treatment plant using a novel one-step hydrothermal method. The results showed that Fe content of MA was 41.8 wt%, 2.5 times higher than that of iron mud, which was caused by hydrothermal dissolution of non-ferrous impurities under alkaline condition, such as quartz and albite, regardless of addition of ascorbic acid or not. Ferrihydrite was 92.7% in dry iron mud before adding ascorbic acid and gradually decreased to 58.1% by increasing the molar ratio of ascorbic acid to Fe following hydrothermal treatment. The strongest saturation magnetization of 16.29 emu/g was observed in the prepared MA-4 when the ascorbic acid to Fe molar ratio was 1. The highest surface site concentration of 1.31 mmol/g was observed in MA-2 when the ratio was 0.02. The mechanism of hydrothermal conversion of wasted iron mud to MA was reductive dissolution of ferrihydrite to form siderite, which was then reoxidized to maghemite. When 12.5 g/L of MA-2 was applied to treat smelting wastewater, over 99% removal of Cu2+, Zn2+, Pb2+, and Cd2+ was achieved. The major mechanisms of Cu2+ and Zn2+ adsorption by the adsorbent were cationic exchange.
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Affiliation(s)
- Suiyi Zhu
- Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun, 130117, China
- Engineering Lab for Water Pollution Control and Resources Recovery, Northeast Normal University, Changchun, 130117, China
| | - Ge Dong
- Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun, 130117, China
- Engineering Lab for Water Pollution Control and Resources Recovery, Northeast Normal University, Changchun, 130117, China
| | - Yang Yu
- Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun, 130117, China
- Key Laboratory of Songliao Aquatic Environment (Ministry of Education), Jilin Jianzhu University, Changchun, 130117, China
| | - Jiakuan Yang
- School of Environmental Science & Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Wu Yang
- Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun, 130117, China.
- Engineering Lab for Water Pollution Control and Resources Recovery, Northeast Normal University, Changchun, 130117, China.
| | - Wei Fan
- Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun, 130117, China
| | - Dandan Zhou
- Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun, 130117, China.
- Engineering Lab for Water Pollution Control and Resources Recovery, Northeast Normal University, Changchun, 130117, China.
| | - Jiancong Liu
- Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun, 130117, China
- Engineering Lab for Water Pollution Control and Resources Recovery, Northeast Normal University, Changchun, 130117, China
| | - Leilei Zhang
- Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun, 130117, China
- Engineering Lab for Water Pollution Control and Resources Recovery, Northeast Normal University, Changchun, 130117, China
| | - Mingxin Huo
- Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun, 130117, China
- Engineering Lab for Water Pollution Control and Resources Recovery, Northeast Normal University, Changchun, 130117, China
| | - Yi Wang
- Engineering Lab for Water Pollution Control and Resources Recovery, Northeast Normal University, Changchun, 130117, China
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22
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Lorente C, Cabeza L, Clares B, Ortiz R, Halbaut L, Delgado ÁV, Perazzoli G, Prados J, Arias JL, Melguizo C. Formulation and in vitro evaluation of magnetoliposomes as a potential nanotool in colorectal cancer therapy. Colloids Surf B Biointerfaces 2018; 171:553-65. [PMID: 30096477 DOI: 10.1016/j.colsurfb.2018.07.070] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 06/27/2018] [Accepted: 07/30/2018] [Indexed: 12/11/2022]
Abstract
Magnetoliposomes (MLPs) offer many new possibilities in cancer therapy and diagnosis, including the transport of antitumor drugs, hyperthermia treatment, detection using imaging techniques, and even cell migration. However, high biocompatibility and functionality after cell internalization are essential to their successful application. We synthesized maghemite nanoparticles (γ-Fe2O3) by oxidizing magnetite cores (Fe3O4) and coating them with phosphatidylcholine (PC) liposomes, obtained using the thin film hydration method, to generate MLPs. The MLPs were tested in vitro, using human tumor and non-tumor colon cell lines, for cytotoxicity, cell uptake and cellular distribution, and magnetically-induced cell mobility. In addition, blood cells biocompatibility studies were performed. The mean size of the MLPs, with a core of γ-Fe2O3 completely surrounded by PC liposomes, was 90 ± 20 nm, showing a soft magnetic character and a great biocompatibility in all the cell lines assayed including blood cells. Prussian blue staining showed a high MLP cell uptake with maximum internalization at 24 h. TEM analysis showed the MLPs surrounded by the cell membrane and in the cell periphery, suggesting internalization by endocytosis and/or macropinocytosis. Interestingly, the mitochondria presented MLP accumulations, particularly in tumor cells. Finally, MLPs within colon cancer cells were able to induce cell migration when a magnetic field was applied in vitro, indicating the functionality of our nanoformulation. A promising biomedical application of these MLPs is anticipated based on their physical, chemical and biological properties.
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23
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Jin M, Long M, Su H, Pan Y, Zhang Q, Wang J, Zhou B, Zhang Y. Magnetically separable maghemite/montmorillonite composite as an efficient heterogeneous Fenton-like catalyst for phenol degradation. Environ Sci Pollut Res Int 2017; 24:1926-1937. [PMID: 27798800 DOI: 10.1007/s11356-016-7866-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 10/07/2016] [Indexed: 06/06/2023]
Abstract
To develop highly efficient and conveniently separable iron containing catalysts is crucial to remove recalcitrant organic pollutants in wastewater through a heterogeneous Fenton-like reaction. A maghemite/montmorillonite composite was synthesized by a coprecipitation and calcination method. The physiochemical properties of catalysts were characterized by XRD, TEM, nitrogen physisorption, thermogravimetric analysis/differential scanning calorimetry (TG/DSC), zeta potential, and magnetite susceptibility measurements. The influence of calcination temperatures and reaction parameters was investigated. The calcined composites retain magnetism because the presence of montmorillonite inhibited the growth of γ-Fe2O3 nanoparticles, as well as their phase transition. The catalytic activities for phenol degradation were significantly enhanced by calcinations, which strengthen the interaction between iron oxides and aluminosilicate framework and result in more negatively charged surface. The composite (73 m2/g) calcined at 350 °C had the highest catalytic activities, with more than 99 % phenol reduction after only 35 min reaction at pH 3.6. Simultaneously, this catalyst exhibited high stability, low iron leaching, and magnetically separable ability for consecutive usage, making it promising for the removal of recalcitrant organic pollutants in wastewater.
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Affiliation(s)
- Mingjie Jin
- School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, 450001, China
| | - Mingce Long
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
- Key Laboratory for Thin Film and Microfabrication of the Ministry of Education, Shanghai Jiao Tong University, 800 Dong Chuan Road, Shanghai, 200240, China.
| | - Hanrui Su
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yue Pan
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Qiuzhuo Zhang
- School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
| | - Juan Wang
- School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
| | - Baoxue Zhou
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
- Key Laboratory for Thin Film and Microfabrication of the Ministry of Education, Shanghai Jiao Tong University, 800 Dong Chuan Road, Shanghai, 200240, China
| | - Yanwu Zhang
- School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, 450001, China.
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Santos TRT, Silva MF, Nishi L, Vieira AMS, Fagundes-Klen MR, Andrade MB, Vieira MF, Bergamasco R. Development of a magnetic coagulant based on Moringa oleifera seed extract for water treatment. Environ Sci Pollut Res Int 2016; 23:7692-7700. [PMID: 26743649 DOI: 10.1007/s11356-015-6029-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Accepted: 12/28/2015] [Indexed: 06/05/2023]
Abstract
In this work, to evaluate the effectiveness of the coagulation/flocculation using a natural coagulant, using Moringa oleifera Lam functionalized with magnetic iron oxide nanoparticles, producing flakes that are attracted by an external magnetic field, thereby allowing a fast settling and separation of the clarified liquid, is proposed. The removal efficiency of the parameters, apparent color, turbidity, and compounds with UV254nm absorption, was evaluated. The magnetic functionalized M. oleifera Lam coagulant could effectively remove 90 % of turbidity, 85 % of apparent color, and 50 % for the compounds with absorption at UV254nm, in surface waters under the influence of an external magnetic field within 30 min. It was found that the coagulation/flocculation treatment using magnetic functionalized M. oleifera Lam coagulant was able to reduce the values of the physico-chemical parameters evaluated with reduced settling time.
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Affiliation(s)
- Tássia R T Santos
- Department of Chemical Engineering, State University of Maringá, Avenida Colombo, 5790, 87020-900, Maringá, Paraná, Brazil.
| | - Marcela F Silva
- Department of Chemical Engineering, State University of Maringá, Avenida Colombo, 5790, 87020-900, Maringá, Paraná, Brazil
| | - Leticia Nishi
- Department of Chemical Engineering, State University of Maringá, Avenida Colombo, 5790, 87020-900, Maringá, Paraná, Brazil
| | - Angélica M S Vieira
- Food Engineering Department, State University of Maringá, Avenida Colombo, 5790, 87020-900, Maringá, Paraná, Brazil
| | - Márcia R Fagundes-Klen
- Department of Chemical Engineering, Western Paraná State University, Rua da Faculdade, 645. Jd. La Salle, 85903-000, Toledo, Paraná, Brazil
| | - Murilo B Andrade
- Department of Chemical Engineering, State University of Maringá, Avenida Colombo, 5790, 87020-900, Maringá, Paraná, Brazil
| | - Marcelo F Vieira
- Department of Chemical Engineering, State University of Maringá, Avenida Colombo, Bloco D90, 5790, 87020-900, Maringá, Paraná, Brazil
| | - Rosângela Bergamasco
- Department of Chemical Engineering, State University of Maringá, Avenida Colombo, 5790, 87020-900, Maringá, Paraná, Brazil.
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25
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Rosenberger I, Strauss A, Dobiasch S, Weis C, Szanyi S, Gil-Iceta L, Alonso E, González Esparza M, Gómez-Vallejo V, Szczupak B, Plaza-García S, Mirzaei S, Israel LL, Bianchessi S, Scanziani E, Lellouche JP, Knoll P, Werner J, Felix K, Grenacher L, Reese T, Kreuter J, Jiménez-González M. Targeted diagnostic magnetic nanoparticles for medical imaging of pancreatic cancer. J Control Release 2015; 214:76-84. [PMID: 26192099 DOI: 10.1016/j.jconrel.2015.07.017] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 07/14/2015] [Accepted: 07/15/2015] [Indexed: 01/15/2023]
Abstract
Highly aggressive cancer types such as pancreatic cancer possess a mortality rate of up to 80% within the first 6months after diagnosis. To reduce this high mortality rate, more sensitive diagnostic tools allowing an early stage medical imaging of even very small tumours are needed. For this purpose, magnetic, biodegradable nanoparticles prepared using recombinant human serum albumin (rHSA) and incorporated iron oxide (maghemite, γ-Fe2O3) nanoparticles were developed. Galectin-1 has been chosen as target receptor as this protein is upregulated in pancreatic cancer and its precursor lesions but not in healthy pancreatic tissue nor in pancreatitis. Tissue plasminogen activator derived peptides (t-PA-ligands), that have a high affinity to galectin-1 have been chosen as target moieties and were covalently attached onto the nanoparticle surface. Improved targeting and imaging properties were shown in mice using single photon emission computed tomography-computer tomography (SPECT-CT), a handheld gamma camera, and magnetic resonance imaging (MRI).
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Affiliation(s)
- I Rosenberger
- Institute of Pharmaceutical Technology, Biocenter Niederursel, Goethe University, Max-von-Laue-Str. 9, 60438 Frankfurt/Main, Germany; Wilhelimnenspital, Institute of Nuclear Medicine, Montleartstr. 37, 1160 Wien, Austria
| | - A Strauss
- Department of Diagnostic Radiology, University of Heidelberg, Im Neuenheimer Feld 110, 69120 Heidelberg, Germany
| | - S Dobiasch
- Department of General and Visceral Surgery, University of Heidelberg, Im Neuenheimer Feld 110, 69120 Heidelberg, Germany
| | - C Weis
- Department of Diagnostic Radiology, University of Heidelberg, Im Neuenheimer Feld 110, 69120 Heidelberg, Germany
| | - S Szanyi
- Department of General and Visceral Surgery, University of Heidelberg, Im Neuenheimer Feld 110, 69120 Heidelberg, Germany
| | - L Gil-Iceta
- CIC biomaGUNE, Molecular Imaging Unit, Paseo Miramón No 182, Parque Tecnológico de San Sebastián, 20009 San Sebastián, Guipúzcoa, Spain
| | - E Alonso
- CIC biomaGUNE, Molecular Imaging Unit, Paseo Miramón No 182, Parque Tecnológico de San Sebastián, 20009 San Sebastián, Guipúzcoa, Spain
| | - M González Esparza
- CIC biomaGUNE, Molecular Imaging Unit, Paseo Miramón No 182, Parque Tecnológico de San Sebastián, 20009 San Sebastián, Guipúzcoa, Spain
| | - V Gómez-Vallejo
- CIC biomaGUNE, Molecular Imaging Unit, Paseo Miramón No 182, Parque Tecnológico de San Sebastián, 20009 San Sebastián, Guipúzcoa, Spain
| | - B Szczupak
- CIC biomaGUNE, Molecular Imaging Unit, Paseo Miramón No 182, Parque Tecnológico de San Sebastián, 20009 San Sebastián, Guipúzcoa, Spain
| | - S Plaza-García
- CIC biomaGUNE, Molecular Imaging Unit, Paseo Miramón No 182, Parque Tecnológico de San Sebastián, 20009 San Sebastián, Guipúzcoa, Spain
| | - S Mirzaei
- Wilhelimnenspital, Institute of Nuclear Medicine, Montleartstr. 37, 1160 Wien, Austria
| | - L L Israel
- Department of Chemistry & Institute of Nanotechnology & Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel
| | - S Bianchessi
- Fondazione Filarete, Viale Ortles 22/4, 20139 Milano, Italy
| | - E Scanziani
- Fondazione Filarete, Viale Ortles 22/4, 20139 Milano, Italy
| | - J-P Lellouche
- Department of Chemistry & Institute of Nanotechnology & Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel
| | - P Knoll
- Wilhelimnenspital, Institute of Nuclear Medicine, Montleartstr. 37, 1160 Wien, Austria
| | - J Werner
- Department of General and Visceral Surgery, University of Heidelberg, Im Neuenheimer Feld 110, 69120 Heidelberg, Germany; Department of General-, Visceral-, Transplantation-, Vascular- and Thorax-Surgery LMU Munich, Marchioninistr. 15, 81377 Munich, Germany
| | - K Felix
- Department of General and Visceral Surgery, University of Heidelberg, Im Neuenheimer Feld 110, 69120 Heidelberg, Germany
| | - L Grenacher
- Department of Diagnostic Radiology, University of Heidelberg, Im Neuenheimer Feld 110, 69120 Heidelberg, Germany
| | - T Reese
- CIC biomaGUNE, Molecular Imaging Unit, Paseo Miramón No 182, Parque Tecnológico de San Sebastián, 20009 San Sebastián, Guipúzcoa, Spain
| | - J Kreuter
- Institute of Pharmaceutical Technology, Biocenter Niederursel, Goethe University, Max-von-Laue-Str. 9, 60438 Frankfurt/Main, Germany.
| | - M Jiménez-González
- CIC biomaGUNE, Molecular Imaging Unit, Paseo Miramón No 182, Parque Tecnológico de San Sebastián, 20009 San Sebastián, Guipúzcoa, Spain
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26
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Zhu X, Liu Y, Qian F, Zhou C, Zhang S, Chen J. Preparation of magnetic porous carbon from waste hydrochar by simultaneous activation and magnetization for tetracycline removal. Bioresour Technol 2014; 154:209-14. [PMID: 24393746 DOI: 10.1016/j.biortech.2013.12.019] [Citation(s) in RCA: 198] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Revised: 11/30/2013] [Accepted: 12/05/2013] [Indexed: 05/04/2023]
Abstract
In the present work, a novel magnetic porous carbon (MPC) with maghemite (γ-Fe2O3) particles is facilely prepared from hydrochar (a solid residue of hydrothermal carbonization of biomass) in one step through simultaneous activation and magnetization. The resultant MPC is characterized and utilized as an adsorbent for tetracycline (TC) removal from aqueous solutions. The BET surface area and micropore volume of the MPC are found to be 349 m(2)g(-1) and 0.16 cm(3)g(-1), respectively. The adsorption kinetics data could be well described by the pseudo-second-order model, and the TC adsorption onto MPC is an endothermic and spontaneous process. The enhanced surface area of the MPC, as well as its graphite-like structure, may contribute to the adsorption capacity of TC. After adsorption, MPC could be effectively separated by applying a magnetic field.
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Affiliation(s)
- Xiangdong Zhu
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
| | - Yuchen Liu
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
| | - Feng Qian
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
| | - Chao Zhou
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
| | - Shicheng Zhang
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China.
| | - Jianmin Chen
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
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Zhang W, Stolojan V, Silva SRP, Wu CW. Raman, EELS and XPS studies of maghemite decorated multi-walled carbon nanotubes. Spectrochim Acta A Mol Biomol Spectrosc 2013; 121:715-718. [PMID: 24374884 DOI: 10.1016/j.saa.2013.11.101] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2013] [Revised: 11/11/2013] [Accepted: 11/17/2013] [Indexed: 06/03/2023]
Abstract
Iron oxide particles with the diameter being 5-10 nm were attached onto the sidewalls of multi-walled carbon nanotubes (MWCNTs) by the thermal decomposition of cyclopentadieny iron (II) dicarbonyl dimmer. The red shift of G-mode from 1579 cm(-1) to 1571 cm(-1) in the Raman profile of the decorated MWCNTs is indicative of the attachment of nanoparticles. Electron energy loss spectroscopy and X-ray photoelectron spectroscopy analyses reveals that the attached nanoparticles are composed of a maghemite phase. Transmission electron microscopy suggests the maghemite particles are covered with amorphous carbon materials and form a core-shell structure.
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Affiliation(s)
- Wei Zhang
- State Key Laboratory of Structural Analysis for Industrial Equipment, Faculty of Vehicle Engineering and Mechanics, Dalian University of Technology, Dalian 116024, PR China; Nanoelectronics Centre, Advanced Technology Institute, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom
| | - Vlad Stolojan
- Nanoelectronics Centre, Advanced Technology Institute, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom
| | - S Ravi P Silva
- Nanoelectronics Centre, Advanced Technology Institute, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom
| | - Cheng Wei Wu
- State Key Laboratory of Structural Analysis for Industrial Equipment, Faculty of Vehicle Engineering and Mechanics, Dalian University of Technology, Dalian 116024, PR China.
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