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Wang S, Ma Y, Li W, Zhao Y, Gao Y, Wang S. LncRNA SNHG5/IGF2BP1/Occludin axis regulates Nd 2O 3 induced blood-testis barrier disruption. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 358:124527. [PMID: 38992831 DOI: 10.1016/j.envpol.2024.124527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 05/27/2024] [Accepted: 07/08/2024] [Indexed: 07/13/2024]
Abstract
Neodymium oxide (Nd2O3) is a rare earth element that can lead to various type of tissue and organ damage with prolonged exposure. The long noncoding RNA small nucleolar ribonucleic acid host gene 5 (lncRNA SNHG5) plays a role in disease progressiong. However, its connection with Nd2O3 induced reproductive harm in males has not been thoroughly investigated. Our research discovered that exposure to Nd2O3 increases the expression of SNHG5 in the testes of mice, which in turn binds directly to and reduces in the protein levels of insulin like growth factor 2 mRNA-binding protein 1 (IGF2BP1) both in vivo and in vitro. This process disrupts the cytoskeleton of blood-testis barrier(BTB) by impacting the stability of the tight junction protein Occludin (Ocln) mRNA structure and the permeability of the BTB. In summary, our study elucidates the regulatory mechanism of SNHG5/IGF2BP1/Occludin axis in Nd2O3-induced BTB injury, providing valuable insights for the treatment of male infertility.
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Affiliation(s)
- Shurui Wang
- School of Public Health, Baotou Medical College, Baotou, 014030, Inner Mongolia, PR China
| | - Yupeng Ma
- School of Public Health, Baotou Medical College, Baotou, 014030, Inner Mongolia, PR China
| | - Wenjie Li
- School of Public Health, Baotou Medical College, Baotou, 014030, Inner Mongolia, PR China
| | - Yuhang Zhao
- School of Public Health, Baotou Medical College, Baotou, 014030, Inner Mongolia, PR China
| | - Yanrong Gao
- School of Public Health, Baotou Medical College, Baotou, 014030, Inner Mongolia, PR China
| | - Suhua Wang
- School of Public Health, Baotou Medical College, Baotou, 014030, Inner Mongolia, PR China.
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2
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Georgin J, Franco DSP, Dehmani Y, Nguyen-Tri P, El Messaoudi N. Current status of advancement in remediation technologies for the toxic metal mercury in the environment: A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 947:174501. [PMID: 38971239 DOI: 10.1016/j.scitotenv.2024.174501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 06/30/2024] [Accepted: 07/02/2024] [Indexed: 07/08/2024]
Abstract
Currently, pollution due to heavy metals, in particular dissolved mercury, is a major concern for society and the environment. This work aims to evaluate the current scenario regarding the removal/elimination of mercury. Mercury removal through adsorption is mainly done through artificial resins and metallic-organic frameworks. In the case of the zinc organic framework, it was able to adsorb Hg2+, reaching an adsorption capacity of 802 mg g-1. As for the Hg(0) the coconut husk was found to have the lowest equilibrium time, 30 min, and the highest adsorption capacity of 956.2 mg g-1. Experimental reports and molecular simulation indicate that the adsorption of mercury and other chemical forms occurs due to electrostatic interactions, ion exchange, precipitation, complexation, chelation, and covalent bonds, according to the material nature. The reported thermodynamic results show that, in most cases, the mercury adsorption has an endothermic nature with enthalpy levels below 40 kJ mol-1. Thermal and chemical regeneration methods lead to a similar number of 5 cycles for different materials. The presence of other ions, in particular cadmium, lead, and copper, generates an antagonistic effect for mercury adsorption. Regarding the other current technologies, it was found that mercury removal is feasible through precipitation, phytoremediation, and marine microalgae; all these methods require constant chemicals or a slow rate of removal according to the conditions. Advanced oxidative processes have noteworthy removal of Hg(0); however, Fenton processes lead to mineralization, which leads to Fe2+ and Fe3+ in solution; sonochemical processes are impossible to scale up at the current technology level; and electrochemical processes consume more energy and require constant changes of the anode and cathode. Overall, it is possible to conclude that the adsorption process remains a more friendly, economical, and greener process in comparison with other processes.
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Affiliation(s)
- Jordana Georgin
- Department of Civil and Environmental. Universidad de la Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, Colombia
| | - Dison Stracke Pfingsten Franco
- Department of Civil and Environmental. Universidad de la Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, Colombia.
| | - Younes Dehmani
- Laboratory of Chemistry/Biology Applied to the Environment, Faculty of Sciences, Moulay Ismaïl University, BP 11201-Zitoune, Meknes 50070, Morocco
| | - Phuong Nguyen-Tri
- Laboratory of Advanced Materials for Energy and Environment, Université du Québec à Trois-Rivières (UQTR), 3351 Boulevard des Forges, Trois-Rivières, Québec G8Z 4M3, Canada
| | - Noureddine El Messaoudi
- Laboratory of Applied Chemistry and Environment, Faculty of Sciences, Ibn Zohr University, Agadir 80000, Morocco.
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3
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Bu N, Wang S, Ma Y, Xia H, Zhao Y, Shi X, Liu Q, Wang S, Gao Y. The lncRNA H19/miR-29a-3p/SNIP1/c-myc regulatory axis is involved in pulmonary fibrosis induced by Nd2O3. Toxicol Sci 2023; 197:27-37. [PMID: 37831906 DOI: 10.1093/toxsci/kfad107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2023] Open
Abstract
Some rare earth elements are occupational and environmental toxicants and can cause organ and systemic damage; therefore, they have attracted global attention. Neodymium oxide (Nd2O3) is a rare earth element that is refined and significantly utilized in China. The long noncoding RNA (lncRNA) H19 is encoded by the H19/IGF2 imprinted gene cluster located on human chromosome 11p15.5. H19 has become a research focus due to its ectopic expression leading to the promotion of fibrosis. However, the mechanisms by which it causes pulmonary fibrosis are elusive. This investigation indicates that biologically active Nd2O3 increases H19, SNIP1, and c-myc, decreases miR-29a-3p, accelerates macrophage M2 polarization, and causes pulmonary fibrosis in mice lung tissues. In macrophage-differentiated THP-1 cells, Nd2O3 (25 μg/ml) enhanced H19, SNIP1, and c-myc, reduced miR-29a-3p, accelerated macrophages M2 polarization, and stimulated fibrogenic cytokine (TGF-β1) secretion. Furthermore, the coculturing of Nd2O3-treated macrophage-differentiated THP-1 cells. And human embryonic lung fibroblast cells activated lung fibroblast, which increases the levels of collagen I, α-SMA, p-Smad2/3, and Smad4, whereas H19 knockdown or miR-29a-3p upregulation in macrophages had opposite effects. Moreover, it was revealed that H19/miR-29a-3p/SNIP1/c-myc regulatory axis is involved in pulmonary fibrosis induced by Nd2O3. Therefore, this study provides new molecular insights into the mechanism of pulmonary fibrosis by Nd2O3.
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Affiliation(s)
- Ning Bu
- The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Center for Global Health, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China
| | - Shurui Wang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, PR China
| | - Yupeng Ma
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, PR China
| | - Haibo Xia
- The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Center for Global Health, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China
| | - Yuhang Zhao
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, PR China
| | - Xuemin Shi
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, PR China
| | - Qizhan Liu
- The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Center for Global Health, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China
| | - Suhua Wang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, PR China
| | - Yanrong Gao
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, PR China
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Agrahari S, Singh AK, Gautam RK, Tiwari I. Voltammetric analysis of epinephrine using glassy carbon electrode modified with nanocomposite prepared from Co-Nd bimetallic nanoparticles, alumina nanoparticles and functionalized multiwalled carbon nanotubes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:124866-124883. [PMID: 36280636 PMCID: PMC9592539 DOI: 10.1007/s11356-022-23660-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
Herein, we investigated the electrochemical behaviour of fMWCNTs decorated with Co-Nd bimetallic nanoparticles and alumina nanoparticles (Co-Nd/Al2O3@fMWCNTs). The nanocomposites were synthesised using simple mechanical mixing and characterised by FT-IR, XRD, UV-visible studies, SEM, TEM and EDAX. Moreover, the crystalline size of the synthesised nanoparticles was also calculated using XRD data (Debye-Scherer formula) and was found in the nm range. The electrochemical behaviour of epinephrine (EP) was examined in the presence of Co-Nd/Al2O3@fMWCNTs nanocomposite modified glassy carbon electrode (GCE) using various electrochemical techniques such as cyclic voltammetry (CV), differential pulse voltammetry (DPV), electrochemical impedance spectroscopy (EIS), and chronocoulometry. Among all the above-mentioned techniques, the DPV response of the modified Co-Nd/Al2O3@fMWCNTs/GCE under optimal circumstances revealed a dual linear range (0.2 to 4000 µM and 4000 to 14,000 µM) and LOD of 0.015 µM (S/N = 3). The sensitivities were determined to be 0.00323 µAµM-1 and 0.0004 µAµM-1 in 0.2 to 4000 µM and 4000 to 14,000 µM concentration ranges. Using chronocoulometry, the surface coverage of Co-Nd/Al2O3@fMWCNTs/GCE was calculated to be 1.37 × 10-8 mol cm-2. The fabricated Co-Nd/Al2O3@fMWCNTs/GCE demonstrated remarkable repeatability, with an RSD of 0.09%, and storage stability of 3 weeks, with 89.6% current retention. Lastly, it was found that Co-Nd/Al2O3@fMWCNTs/GCE worked well for EP analysis in a variety of biological fluids.
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Affiliation(s)
- Shreanshi Agrahari
- Department of Chemistry (Centre of Advanced Study), Institute of Science, Banaras Hindu University, Varanasi, 221005 India
| | - Ankit Kumar Singh
- Department of Chemistry (Centre of Advanced Study), Institute of Science, Banaras Hindu University, Varanasi, 221005 India
| | - Ravindra Kumar Gautam
- Department of Chemistry (Centre of Advanced Study), Institute of Science, Banaras Hindu University, Varanasi, 221005 India
| | - Ida Tiwari
- Department of Chemistry (Centre of Advanced Study), Institute of Science, Banaras Hindu University, Varanasi, 221005 India
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5
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Sharma SS, Sharma K, Sahu J, Ray J, Gupta SK, Dalela S. Role of rare-earth oxides, conjugated with [Formula: see text], in the enhancement of power conversion efficiency of dye sensitized solar cells (DSSCs). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:98760-98772. [PMID: 36683106 DOI: 10.1007/s11356-023-25346-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 01/11/2023] [Indexed: 06/17/2023]
Abstract
Different rare-earth (RE) metal-oxides nano-particles (NPs) viz. Samarium (III) oxide (Sm2O3), Neodymium (III) oxide (Nd2O3), and Gadolinium (III) oxide (Gd2O3) were synthesized using co-precipitation route, and investigated by structural, optical, and morphological studies. Findings and supporting studies were presented to understand the role of RE-metal-oxides NPs as photo-anode material for dye sensitized solar cells (DSSCs) applications. Structural analysis of prepared RE-metaloxides, by X-ray diffraction (XRD), reveals the crystalline nature of the particles ranging from 24 to 37 nm. Morphological study by field emission scanning electron microscopy (FESEM) supports the crystalline nature in the nano range of the prepared RE-metal oxides particles. The observed d values of each sample support the growth of Gd2O3, Nd2O3, and Sm2O3 material. The band-gap of prepared material was estimated from the UV-VIS absorption data and Tauc relation. The observed band gap values are 3.55 eV, 3.31 eV, and 3.52 eV for Gd2O3, Nd2O3, and Sm2O3 respectively. These values are reasonably high compare to the bulk values, indicates the nanostructure formation. Optimized RE-metal oxides NPs employed in the form of TiO2 photo anode for the fabrication of DSSCs. FESEM confirms that the Gd2O3-based photo-anode shows more uniform and decent coverage with more porosity on the TiO2. The EIS measurements of prepared DSSCs also supported the improvement in the photovoltaic output for the modified photo-anode devices as cells with modified photo-anode exhibited less charge recombination at the photo-anode/dye/electrolyte interface with increased electron lifetime leading to improved device performance as compared to the unmodified-based DSSCs. The highest efficiency 5.51% was demonstrated by [Formula: see text]/[Formula: see text] photo-anode-based DSSCs compare to Sm2O3, and Nd2O3 activated photo-anode.
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Affiliation(s)
- Shyam Sunder Sharma
- Department of Physics, Govt. Mahila Engineering College, Ajmer, 305002, India.
| | - Khushboo Sharma
- Department of Physics, Bhagwant University, Sikar Road, Ajmer, 305004, India
| | - Jyoti Sahu
- Department of Pure & Applied Physics, University of Kota, Kota, 324005, India
| | - Jaymin Ray
- Department of Physics, Uka Tarsadia University, Maliba Campus, Bardoli, 394120, India
| | - Saral Kumar Gupta
- Department of Physical Sciences, Banasthali Vidyapith, Banasthali, 304022, India
| | - Saurabh Dalela
- Department of Pure & Applied Physics, University of Kota, Kota, 324005, India
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6
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GadelHak Y, El-Azazy M, Shibl MF, Mahmoud RK. Cost estimation of synthesis and utilization of nano-adsorbents on the laboratory and industrial scales: A detailed review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 875:162629. [PMID: 36889388 DOI: 10.1016/j.scitotenv.2023.162629] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/14/2023] [Accepted: 02/28/2023] [Indexed: 06/18/2023]
Abstract
The recent regulations pertaining to the circular economy have unlocked new prospects for researchers. In contrast to the unsustainable models associated with the linear economy, integration of concepts of circular economy braces reducing, reusing, and recycling of waste materials into high-end products. In this regard, adsorption is a promising and cost-effective water treatment technology for handling conventional and emerging pollutants. Numerous studies are published annually to investigate the technical performance of nano-adsorbents and nanocomposites in terms of adsorption capacity and kinetics. Yet, economic performance evaluation is rarely discussed in the literature. Even if an adsorbent shows high removal efficiency towards a specific pollutant, its high preparation and/or utilization costs might hinder its real-life use. This tutorial review aims at illustrating cost estimation methods for the synthesis and utilization of conventional and nano-adsorbents. The current treatise discusses the synthesis of adsorbents on a laboratory scale where the raw material, transportation, chemical, energy, and any other costs are discussed. Moreover, equations for estimating the costs at the large-scale adsorption units for wastewater treatment are illustrated. This review focuses on introducing these topics to non-specialized readers in a detailed but simplified manner.
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Affiliation(s)
- Yasser GadelHak
- Department of Materials Science and Nanotechnology, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef 62511, Egypt.
| | - Marwa El-Azazy
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University, Doha 2713, Qatar.
| | - Mohamed F Shibl
- Renewable Energy Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, 2713 Doha, Qatar.
| | - Rehab K Mahmoud
- Chemistry Department. Faculty of Sciences, Beni-Suef University, Beni-Suef, Egypt.
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7
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Altintig E, Özcelik TÖ, Aydemir Z, Bozdag D, Kilic E, Yılmaz Yalçıner A. Modeling of methylene blue removal on Fe 3O 4 modified activated carbon with artificial neural network (ANN). INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 25:1714-1732. [PMID: 36927305 DOI: 10.1080/15226514.2023.2188424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
In this study, AC/Fe3O4 adsorbent was first synthesized by modifying activated carbon with Fe3O4. The structure of the adsorbent was then characterized using analysis techniques specific surface area (BET), Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy (SEM-EDX), and Fourier Transform Infrared Spectroscopy (FTIR). Equilibrium, thermodynamic and kinetic studies were carried out on the removal of methylene blue (MB) dyestuff from aqueous solutions AC/Fe3O4 adsorbent. The Langmuir maximum adsorption capacity of AC/Fe3O4 was 312.8 mg g-1, and the best fitness was observed with the pseudo-second-order kinetics model, with an endothermic adsorption process. In the final stage of the study, the adsorption process of MB on AC/Fe3O4 was modeled using artificial neural network modeling (ANN). Considering the smallest mean square error (MSE), The backpropagation neural network was configured as a three-layer ANN with a tangent sigmoid transfer function (Tansig) at the hidden layer with 10 neurons, linear transfer function (Purelin) the at output layer and Levenberg-Marquardt backpropagation training algorithm (LMA). Input parameters included initial solution pH (2.0-9.0), amount (0.05-0.5 g L-1), temperature (298-318 K), contact time (5-180 min), and concentration (50-500 mg L-1). The effect of each parameter on the removal and adsorption percentages was evaluated. The performance of the ANN model was adjusted by changing parameters such as the number of neurons in the middle layer, the number of inputs, and the learning coefficient. The mean absolute percentage error (MAPE) was used to evaluate the model's accuracy for the removal and adsorption percentage output parameters. The absolute fraction of variance (R2) values were 99.83, 99.36, and 98.26% for the dyestuff training, validation, and test sets, respectively.
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Affiliation(s)
- Esra Altintig
- Pamukova Vocational School, Sakarya University of Applied Sciences, Sakarya, Turkey
| | - Tijen Över Özcelik
- Industrial Engineering Department, Engineering Faculty, Sakarya University, Sakarya, Turkey
| | | | - Dilay Bozdag
- Industrial Engineering Department, Engineering Faculty, Sakarya University, Sakarya, Turkey
- Akcoat Advanced Chemical Coating Materials Industry and Trade Joint Stock Company, Sakarya, Turkey
| | - Eren Kilic
- Ser Durable Consumer Goods Domestic and Foreign Trade Industry Inc., Kayseri, Turkey
| | - Ayten Yılmaz Yalçıner
- Industrial Engineering Department, Engineering Faculty, Sakarya University, Sakarya, Turkey
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Ashrafi M, Farhadi S. Polyoxometalate supported on a magnetic Fe 3O 4/MIL-88A rod-like nanocomposite as an adsorbent for the removal of ciprofloxacin, tetracycline and cationic organic dyes from aqueous solutions. RSC Adv 2023; 13:6356-6367. [PMID: 36845582 PMCID: PMC9943932 DOI: 10.1039/d2ra07898h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 02/17/2023] [Indexed: 02/24/2023] Open
Abstract
In this work, a magnetic H3PW12O40/Fe3O4/MIL-88A (Fe) rod-like nanocomposite as a stable and effective ternary adsorbent was fabricated by the hydrothermal method and utilized for the removal of ciprofloxacin (CIP), tetracycline (TC) and organic dyes from aqueous solution. Characterization of the magnetic nanocomposite was accomplished by FT-IR, XRD, Raman spectroscopy, SEM, EDX, TEM, VSM, BET specific surface area and zeta potential analyses. The influencing factors on the adsorption potency of the H3PW12O40/Fe3O4/MIL-88A (Fe) rod-like nanocomposite including initial dye concentration, temperature and adsorbent dose were studied. The maximum adsorption capacities of H3PW12O40/Fe3O4/MIL-88A (Fe) for TC and CIP were 370.37 mg g-1 and 333.33 mg g-1 at 25 °C, respectively. In addition, the H3PW12O40/Fe3O4/MIL-88A (Fe) adsorbent had high regeneration and reusability capacity after four cycles. In addition, the adsorbent was recovered through magnetic decantation and reused for three consecutive cycles without a considerable reduction in its performance. The adsorption mechanism was mainly ascribed to electrostatic and π-π interactions. According to these results, H3PW12O40/Fe3O4/MIL-88A (Fe) can act as a reusable effective adsorbent for the fast elimination of tetracycline (TC), ciprofloxacin (CIP) and cationic dyes from aqueous solutions.
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Affiliation(s)
- Mona Ashrafi
- Department of Inorganic Chemistry, Lorestan University Khorramabad 68151-44316 Iran
| | - Saeed Farhadi
- Department of Inorganic Chemistry, Lorestan University Khorramabad 68151-44316 Iran
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Srinithi S, Anupriya J, Chen SM, Balakumar V. Ultrasonic fabrication of neodymium oxide@titanium carbide modified glassy carbon electrode: An efficient electrochemical detection of antibiotic drug nitrofurazone. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2022.104522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Ahmad J, Wahab R, Siddiqui MA, Farshori NN, Saquib Q, Ahmad N, Al-Khedhairy AA. Neodymium oxide nanostructures and their cytotoxic evaluation in human cancer cells. J Trace Elem Med Biol 2022; 73:127029. [PMID: 35785590 DOI: 10.1016/j.jtemb.2022.127029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 06/15/2022] [Accepted: 06/22/2022] [Indexed: 11/25/2022]
Abstract
Neodymium oxide exhibits a unique property, which facilitates and largely utilized as an industrial applications. A number of cytotoxic study is available but very limited information is available to understand their biological activity with neodymium oxide at a very low conc- entration of the material. The present work was designed to understand the cytotoxicity against liver (HepG-2) and lung (A-549) cancer cells. Initially, Neodymium oxides (Nd2O3) were prepared and characterized with various instruments. The crystallinity and morphology of Nd2O3 powder were examined with instruments such as X-Ray Diffraction (XRD), scanning electron microscope (SEM), Transmission electron microscopy (TEM), Energy Dispersive X-Ray Analysis (EDX) respectively, revealed the size of curved nanostructure are ~140 ± 2 in diameter whereas length goes upto ~700 nm with elemental composition. The cytotoxicity study was conducted with MTT, NRU assay with genotoxicity study via ROS, cell cycle and qPCR analysis. The cells cytotoxic assessment were analysed via MTT(3-(4,5-Dimethylthiazol-2-yl)- 2,5-Diphenyl tetra zolium Bromide) and Neutral Red Uptake (NRU) assay with neodymium oxide (Nd2O3), which indicates the reduction in cell viability. Additionally, cell-cycle analysis showed an increase in the apoptotic peak after a 24-h. Quantitative real-time PCR (RT-PCR) data revealed that apoptotic genes such as p53, bax, and caspase-3 were up regulated, whereas bcl-2, an anti-apoptotic gene, was down regulated; therefore, apoptosis was mediated through ROS and genotoxicity pathways. The experiments of cytotoxicity was tested and concludes that the Nd2O3 express a moderate and dose dependent effect on cancer cells. The ROS, cell cycle analysis and qPCR showed that Nd2O3 exhibit the capability to cells death via ROS generation and genotoxicity study pathways.
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Affiliation(s)
- Javed Ahmad
- Chair for DNA Research, Zoology Department, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia.
| | - Rizwan Wahab
- Chair for DNA Research, Zoology Department, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia; Zoology Department, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Maqsood A Siddiqui
- Chair for DNA Research, Zoology Department, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Nida Nayyar Farshori
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11495, Saudi Arabia
| | - Quaiser Saquib
- Chair for DNA Research, Zoology Department, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia; Zoology Department, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Naushad Ahmad
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdulaziz A Al-Khedhairy
- Chair for DNA Research, Zoology Department, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia; Zoology Department, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia
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11
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Hussain D, Khan SA, Khan TA, Alharthi SS. Efficient liquid phase confiscation of nile blue using a novel hybrid nanocomposite synthesized from guar gum-polyacrylamide and erbium oxide. Sci Rep 2022; 12:14656. [PMID: 36038589 PMCID: PMC9424225 DOI: 10.1038/s41598-022-18591-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 08/16/2022] [Indexed: 12/26/2022] Open
Abstract
In recent times, biopolymer-metal oxide nanocomposites have gained prominent importance in the attenuation of environmental toxicants from aqueous phase. But lanthanide oxide-based biopolymer nanocomposites have scantly been evaluated for their adsorption potential. A novel guar gum-polyacrylamide/erbium oxide nanocomposite (GG-PAAm/Er2O3 NC) adsorbent was synthesized by copolymerization of guar gum (GG) and acrylamide (AAm) utilizing N-N′-methylenebisacrylamide as a crosslinker and Er2O3 as a reinforcing agent. The adsorptive efficacy of GG-PAAm/Er2O3 nanocomposite was evaluated using nile blue (NB) as a model pollutant dye from aquatic system. The prepared adsorbent was characterized by Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD) analysis, Brunauer–Emmett–Teller (BET) analysis, thermogravimetric analysis, scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM–EDX), and high-resolution transmission electron microscopy (HRTEM). The optimal process parameters, which include dosage (0.8 g/L), agitation time (40 min), initial solution pH (6), and initial NB concentration (80 mg/L) were determined by batch methodology. The equilibrium data for NB confiscation was better expressed by Langmuir isotherm model, with maximal adsorption effectiveness (Qm) of 225.88 mg NB/g demonstrating the actively monolayer adsorption onto homogeneous surface of GG-PAAm/Er2O3 NC. The kinetics of NB sorption process onto GG-PAAm/Er2O3 NC was reliable with pseudo-second order model. Thermodynamic parameters such as ΔH° (15–17 kJ/mol) and ΔS° (0.079–0.087 kJ/mol/K), and − ΔG° (8.81–10.55 kJ/mol) for NB validated the endothermic, an increased randomness at the GG-PAAm/Er2O3–NB interface, and spontaneity and feasibility of the process, respectively. The spent nanocomposite was effectively regenerated with NaOH, and could be reused proficiently for five runs demonstrating the high reusability potential of the nanocomposite. The commendable removal efficiency and high reusability of GG-PAAm/Er2O3 NC recommended it to be a highly competent adsorbent for cationic dyes particularly NB diminution from aqueous waste.
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Affiliation(s)
- Daud Hussain
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110 025, India
| | - Suhail Ayoub Khan
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110 025, India
| | - Tabrez Alam Khan
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110 025, India.
| | - Salman S Alharthi
- Department of Chemistry, College of Science, Taif University, P.O. Box 110999, Taif, 21944, Saudi Arabia
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12
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Shahidullah Mahmud M, Jahir Raihan M, Nazrul Islam M, Sanjid Qais D, Asim N, Azelee Wan Abu Bakar W, Emran Quayum M, Anwarul Islam M, Mohammad Ibrahim Ismail I, Habib A. Synthesis of solar light driven nanorod-zinc oxide for degradation of rhodamine B, industrial effluent and contaminated river water. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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13
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Ali F, Shah Z, Khan A, Saadia M, AlOthman ZA, Cheong WJ. Synthesis, column packing and liquid chromatography of molecularly imprinted polymers for the acid black 1, acid black 210, and acid Brown 703 dyes. RSC Adv 2022; 12:19611-19623. [PMID: 35865557 PMCID: PMC9258683 DOI: 10.1039/d2ra02357a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 06/23/2022] [Indexed: 01/29/2023] Open
Abstract
Molecularly imprinted polymers have been synthesized for the acid black 1, acid black 210, and acid brown 703 dyes using methacrylic acid, ethylene glycol, and azobisisobutyronitrile as the monomer, cross-linker, and initiator, respectively, in the ratio of 1 : 10 : 44 (template:monomer:cross-linker). The MIPs were used for the selective removal of their corresponding dyes. The selective nature of the MIPs towards their respective dyes was confirmed by a homemade liquid chromatography system. The resultant polymer materials were packed in a stainless steel column and checked for the separation of mixtures of dyes in liquid chromatography. The dyes complementary in structure to the imprinted cavities in the MIPs had long retention times, showing the highly selective nature of the MIPs. The pH, quantity of the MIPs, time, and concentration of the dyes were optimized for the highly efficient removal of the newly synthesized MIP adsorbents in batch adsorption studies. First-order, second-order, and intra-particle diffusion models were applied to all the three MIP-based adsorbents for their kinetic investigations towards the dyes. All the three MIPs selectively absorbed their target template molecule in the presence of four other template dyes having closely related structures with % RSD < 4% for the three batch experiments. The synthesized MIPs were characterized by FTIR, SEM imaging and liquid chromatography. FTIR results strongly confirmed the presence of hydrogen bonding interactions (600–900) between the template and the individual monomers present in the unwashed MIPs. Liquid chromatography revealed the highly selective nature of the MIPs towards their template molecules. The synthesized polymeric substances possess excellent thermal, chemical, and mechanical stability and can be reused several hundred times. The MIPs were applied in the removal of dyes from spiked water samples (river water, tap water and distilled water) where the % removal of the dyes by their corresponding MIPs was greater than 90%. MIP synthesis for the recently emerging dyes, a new method for their characterization in liquid chromatography by packing packing the MIP particles in a stainless steel column, and their application in environmental remediation.![]()
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Affiliation(s)
- Faiz Ali
- Department of Chemistry, University of Malakand Chakdara Dir(L) 18800 Khyber Pakhtunkhwa Pakistan
| | - Zuber Shah
- Department of Chemistry, University of Malakand Chakdara Dir(L) 18800 Khyber Pakhtunkhwa Pakistan
| | - Alamgir Khan
- Department of Chemistry, University of Malakand Chakdara Dir(L) 18800 Khyber Pakhtunkhwa Pakistan
| | - Maria Saadia
- Department of Chemistry, University of Malakand Chakdara Dir(L) 18800 Khyber Pakhtunkhwa Pakistan
| | - Zeid A AlOthman
- Department of Chemistry, College of Science, King Saud University Riyadh 11451 Saudi Arabia
| | - Won Jo Cheong
- Department of Chemistry, Inha University 100 Inharo, Namku Incheon 402-751 South Korea
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14
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The Using of Nanoparticles of Microalgae in Remediation of Toxic Dye from Industrial Wastewater: Kinetic and Isotherm Studies. MATERIALS 2022; 15:ma15113922. [PMID: 35683218 PMCID: PMC9182027 DOI: 10.3390/ma15113922] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/27/2022] [Accepted: 05/29/2022] [Indexed: 02/07/2023]
Abstract
Batch adsorption experiments were carried out to study the removal of the toxic Methylene Blue Dye (MBD) from synthetic aqueous solutions using the nanoparticles form of Arthrospira platensis NIOF17/003. The adsorption capacity of the adsorbent for MBD was investigated using different amounts of A. platensis nanoparticles at different contact times, temperatures, pH, and MBD initial concentrations in the synthetic aqueous solution. In addition, A. platensis nanoparticles were characterized using Electron Microscopy (SEM), Brunauer–Emmett–Teller (BET), Fourier Transform Infrared (FTIR), and Ultraviolet spectra (UV) techniques. The optimum removal of MBD was found at a concentration of 0.4 g A. platensis nanoparticles. A. platensis nanoparticles remove 93% of MBD in 5 min (under agitation conditions at 150 rpm). The highest adsorption capacity was found by the Langmuir model to be 58.8 mg g−1. It is an endothermic process with spontaneity increasing with temperature. The probable mechanism for the adsorption is chemisorption via surface-active charges in the initial phase, which is followed by physical sorption by occupying pores of A. platensis. MBD adsorption by A. platensis follows pseudo-second-order kinetics. The Freundlich and Langmuir models fit well with the experimental data. The adsorption experiments suggested that the regeneration of the adsorbents was possible for repeated use, especially regarding MBD up to 65.8% after three cycles, which proves it can be easily recycled. In conclusion, the nanoparticles of A. platensis have a significant adsorption potential in the removal of MBD from effluent wastewater.
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15
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Do Red Seaweed Nanoparticles Enhance Bioremediation Capacity of Toxic Dyes from Aqueous Solution? Gels 2022; 8:gels8050310. [PMID: 35621608 PMCID: PMC9141480 DOI: 10.3390/gels8050310] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/09/2022] [Accepted: 05/13/2022] [Indexed: 12/18/2022] Open
Abstract
Based on their functional groups, the use of various seaweed forms in phytoremediation has recently gained significant eco-friendly importance. The objective of this study was to determine whether a novel, sustainable, and ecologically acceptable adsorbent could be employed to remove toxic textile dye (Ismate Violet 2R (IV2R)) from an aqueous solution. The low-cost adsorbent was prepared from the nanoparticles form of the native red seaweed species, Pterocladia capillacea. Before and after the adsorption procedure, comprehensive characterization experiments on the bio-adsorbent were carried out, including BET, SEM, FTIR, UV, and dynamic light scattering (DLS) examination. The adsorption performance of the prepared nano-Pterocladia capillacea was optimized by adjusting operating parameters such as the initial dye concentration of 60 mg L−1, pH of 2, and contact time of 15 min, all of which were obtained by batch experiments in the lab. At the optimum conditions, the prepared adsorbent had maximum removal effectiveness of 87.2%. Most typical kinetics and isotherm models were used to test the experimental results. The equilibrium data fit well with the Langmuir isotherm model, with comparatively higher R2 values and fewer standard errors, while the pseudo-second-order kinetic model fits better with a decent correlation coefficient. Thermodynamic parameters revealed that the sorption process on nano-alga was exothermic and spontaneous.
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16
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Synthesis and Study of Zinc Oxide Nanorods as an Adsorbent Material for the Removal of Carcinogenic Dye and Anticancer Activities. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2022. [DOI: 10.1007/s13369-022-06688-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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17
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Dudek S, Kołodyńska D. Arsenate removal on the iron oxide ion exchanger modified with Neodymium(III) ions. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 307:114551. [PMID: 35066202 DOI: 10.1016/j.jenvman.2022.114551] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 01/12/2022] [Accepted: 01/15/2022] [Indexed: 06/14/2023]
Abstract
In this study the iron oxide ion exchanger with the quaternary ammonium groups, Ferrix A33E was modified with neodymium (III) ions in order to obtain the new material Ferrix A33E-Nd(III) characterized by greater sorption efficiency of arsenate(V) ions. A33E-Nd(III) was described by various techniques including scanning electron microscopy SEM, nitrogen adsorption/desorption isotherms, Fourier transform infrared spectroscopy FTIR and X-ray photoelectron spectroscopy XPS. The point of zero charge, pHPZC was also determined. The kinetic and thermodynamic parameters of the arsenate(V) sorption were calculated. The experimental data was fitted to the four isotherm models - Langmuir, Freundlich, Dubinin-Radushkevich and Halsey. Kinetic and equilibrium studies allowed to get to know the behaviour of arsenate(V) ions during the sorption on A33E-Nd(III). The obtained material A33E-Nd(III)- was found to possess a larger maximum sorption capacity than A33E, great stability and the possibility of regeneration at least 3 times without a significant decrease in efficiency. This allows for the complete removal of As(V) ions from a solution with a concentration of 50 mg/dm3 in just 30 min. The Nd(III)-modification improved the sorption properties of the tested ion exchanger.
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Affiliation(s)
- Sebastian Dudek
- Department of Inorganic Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, Maria Curie-Skłodowska Sq. 2, 20-031, Lublin, Poland.
| | - Dorota Kołodyńska
- Department of Inorganic Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, Maria Curie-Skłodowska Sq. 2, 20-031, Lublin, Poland
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18
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Aminated magnetic polymeric resin for removal of anthraquinone and azo dyes from aqueous solutions. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-02945-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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19
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Rashtbari Y, Afshin S, Hamzezadeh A, Gholizadeh A, Ansari FJ, Poureshgh Y, Fazlzadeh M. Green synthesis of zinc oxide nanoparticles loaded on activated carbon prepared from walnut peel extract for the removal of Eosin Y and Erythrosine B dyes from aqueous solution: experimental approaches, kinetics models, and thermodynamic studies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:5194-5206. [PMID: 34417700 DOI: 10.1007/s11356-021-16006-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 08/12/2021] [Indexed: 06/13/2023]
Abstract
Water contamination due to release of dye containing effluents is one of the environmental problems of serious concern today. The present study investigate the green synthesis of zinc oxide nanoparticles (ZnO-NPs) doped on activated carbon (AC) prepared from walnut peel extract and to estimate its efficiency in the removal of Eosin Y (Eo-Y) and Erythrosine B (Er-B) from its aqueous solution. The synthesized AC-ZnO was identified by field emission scanning electron microscopy (FE-SEM), X-ray diffraction (XRD), and the Brunauer-Emmett-Teller. The influence of various parameters such as pH, dosage of AC-ZnO, contact time, and concentrations of Eo-Y and Er-B was also studied. The pH 3 was observed as the optimum pH while the equilibrium was noticed to reach in 30 min at dosage of 1 g/L and initial concentration 100 mg/L for Eo-Y and Er-B adsorption onto AC-ZnO. The maximum adsorption capacity of Eo-Y and Er-B onto AC-ZnO was found to be 163.9 and 144.92 mg/g (and removal efficiencies of 95.11 and 98.31 %), respectively. The process of Eo-Y and Er-B adsorption on AC-ZnO was observed to be depended on the pseudo-second-order kinetic model which indicates chemisorption processes. Langmuir adsorption isotherm model test described the removal of Eo-Y and Er-B on AC-ZnO. The thermodynamic data indicated that the adsorption was endothermic process. Also, the values, SBET and VTOTAL, for the AC-ZnO were equal to 725.65 m2/g and 0.6004 cm3/g, respectively. The results of this study exhibited that AC-ZnO was a very effective method that can be used for the removal of Eo-Y and Er-B from aqueous solutions.
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Affiliation(s)
- Yousef Rashtbari
- Students Research Committee, Faculty of Health, Ardabil University of Medical Sciences, Ardabil, Iran
- Department of Environmental Health Engineering, School of Health, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Shirin Afshin
- Department of Environmental Health Engineering, School of Health, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Asghar Hamzezadeh
- Department of Environmental Health Engineering, School of Health, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Abdolmajid Gholizadeh
- Department of Environmental Health Engineering, School of Public Health, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Farshid Jaberi Ansari
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Yousef Poureshgh
- Department of Environmental Health Engineering, School of Health, Ardabil University of Medical Sciences, Ardabil, Iran.
| | - Mehdi Fazlzadeh
- Social Determinants of Health Research Center, Ardabil University of Medical Sciences, Ardabil, Iran.
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20
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Maru K, Kalla S, Jangir R. Dye contaminated wastewater treatment through metal–organic framework (MOF) based materials. NEW J CHEM 2022. [DOI: 10.1039/d1nj05015j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A complete discussion of MOFs and MOF composites such as MOF-based membranes, magnetic MOFs, and metal–organic gels (MOGs) used for dye removal along with their adsorption efficiency has been done.
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Affiliation(s)
- Ketan Maru
- Sardar Vallabhbhai National Institute of Technology, Ichchanath, Surat-395 007, Gujarat, India
| | - Sarita Kalla
- Sardar Vallabhbhai National Institute of Technology, Ichchanath, Surat-395 007, Gujarat, India
| | - Ritambhara Jangir
- Sardar Vallabhbhai National Institute of Technology, Ichchanath, Surat-395 007, Gujarat, India
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21
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Efficient tetracycline removal from aqueous solutions using ionic liquid modified magnetic activated carbon (IL@mAC). JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 2021. [DOI: 10.1016/j.jece.2021.106570] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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22
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WITHDRAWN: Synthesis and characterization of nano-zinc oxide: adsorption of acid blue 92 dye, isotherms, thermodynamics and kinetics. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103627] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Uddin MJ, Ampiaw RE, Lee W. Adsorptive removal of dyes from wastewater using a metal-organic framework: A review. CHEMOSPHERE 2021; 284:131314. [PMID: 34198066 DOI: 10.1016/j.chemosphere.2021.131314] [Citation(s) in RCA: 112] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 06/15/2021] [Accepted: 06/20/2021] [Indexed: 05/10/2023]
Abstract
Water pollution from synthetic dyes is a growing environmental concern because many dyes have carcinogenic effects on humans and aquatic life. Adsorption is a widely used technology for the separation and removal of dyes from wastewater. However, the dye removal process using conventional adsorbents is not sufficiently efficient for industrial wastewater. Metal-organic frameworks (MOFs) addresses these drawbacks. MOF showed excellent dye removal and degradation capacity owing to its multifunctionality, water-stability, large surface area, tunable pore size and recyclability. Magnetic MOFs retained excellent performance up to several consecutive cycles. Modified MOFs performed as Fenton-like catalysis process which generated abundant reactive radicals that degraded complex organic dyes into simple and less toxic forms which were further adsorbed onto the MOF. This review systematically compiles in-depth studies on the adsorptive removal of dyes from wastewater, MOF adsorption mechanisms, major influencing factors, to adsorption efficiency of MOFs. While all MOFs adsorb dyes through electrostatic attraction, the type of MOF, presence of functional groups, ligands, and pH significantly control the adsorption mechanism. Before developing an MOF, optimization and upgradation of factors and interaction between available adsorption site and adsorbate is needed. Finally, the prospects and new frontiers of MOFs in sustainable water treatment is discussed.
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Affiliation(s)
- Md Jamal Uddin
- Department of Environmental Engineering, Kumoh National Institute of Technology, 61 Daehak-ro, Gumi, 39177, Republic of Korea
| | - Rita E Ampiaw
- Department of Environmental Engineering, Kumoh National Institute of Technology, 61 Daehak-ro, Gumi, 39177, Republic of Korea
| | - Wontae Lee
- Department of Environmental Engineering, Kumoh National Institute of Technology, 61 Daehak-ro, Gumi, 39177, Republic of Korea.
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Coagulation-Flocculation of Aquaculture Wastewater Using Green Coagulant from Garcinia kola Seeds: Parametric Studies, Kinetic Modelling and Cost Analysis. SUSTAINABILITY 2021. [DOI: 10.3390/su13169177] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
To achieve sustainability, it is necessary to use proper treatment methods to reduce the pollutant loads of receiving waters. This study investigates the coagulative reduction of turbidity, COD, BOD and colour from aquaculture wastewater (AW) using a novel Garcinia kola seeds coagulant (GKC). This coagulant was obtained from extraction of Garcinia kola seeds and analysed for its spectral and morphological characteristics through FTIR and SEM. The kinetics of coagulation-flocculation were also investigated in terms of total dissolved and suspended solids (TDSP). The seeds had 11.27% protein and 68.33% carbohydrate, showing usability in adsorption/charges neutralisation as a coagulant to reduce particles. Maximal turbidity reduction = 81.93%, COD = 75.03%, BOD = 72.84% and colour = 56.69% at 0.3 g GKC/L, pH 2, 60 min and 303 K were achieved. Von Smoluchowski’s second-order peri-kinetics theory was used to fit the results, giving R2 > 0.9. At a coagulation order (α) of 2, the reaction rate (KC) and half-life (τS1/2) were 0.0003 L/g·min and 25.3 min at the optimal conditions. The sorption data better fit the Lagergren compared to the Ho adsorption model. Furthermore, the net cost of using GKC to handle 1 L of AW (including electricity and material costs) was calculated to be 1.57 EUR, and the costs of 0.3 g/L GKC preparation and energy were 0.27 and 1.30 EUR, respectively. In summary, these seeds can be used to pre-treat AW.
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Targuma S, Njobeh PB, Ndungu PG. Current Applications of Magnetic Nanomaterials for Extraction of Mycotoxins, Pesticides, and Pharmaceuticals in Food Commodities. Molecules 2021; 26:4284. [PMID: 34299560 PMCID: PMC8303358 DOI: 10.3390/molecules26144284] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 07/05/2021] [Accepted: 07/07/2021] [Indexed: 12/25/2022] Open
Abstract
Environmental pollutants, such as mycotoxins, pesticides, and pharmaceuticals, are a group of contaminates that occur naturally, while others are produced from anthropogenic sources. With increased research on the adverse ecological and human health effects of these pollutants, there is an increasing need to regularly monitor their levels in food and the environment in order to ensure food safety and public health. The application of magnetic nanomaterials in the analyses of these pollutants could be promising and offers numerous advantages relative to conventional techniques. Due to their ability for the selective adsorption, and ease of separation as a result of magnetic susceptibility, surface modification, stability, cost-effectiveness, availability, and biodegradability, these unique magnetic nanomaterials exhibit great achievement in the improvement of the extraction of different analytes in food. On the other hand, conventional methods involve longer extraction procedures and utilize large quantities of environmentally unfriendly organic solvents. This review centers its attention on current applications of magnetic nanomaterials and their modifications in the extraction of pollutants in food commodities.
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Affiliation(s)
- Sarem Targuma
- Energy, Sensors and Multifunctional Nanomaterials Research Group, Department of Chemical Sciences, Doornfontein Campus, University of Johannesburg, Johannesburg 2028, South Africa;
| | - Patrick B. Njobeh
- Department of Biotechnology and Food Technology, Doornfontein Campus, University of Johannesburg, Johannesburg 2028, South Africa;
| | - Patrick G. Ndungu
- Energy, Sensors and Multifunctional Nanomaterials Research Group, Department of Chemical Sciences, Doornfontein Campus, University of Johannesburg, Johannesburg 2028, South Africa;
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Tan Y, Wei S, Liu X, Pan B, Liu S, Wu J, Fu M, Jia Y, He Y. Neodymium oxide (Nd 2O 3) coupled tubular g-C 3N 4, an efficient dual-function catalyst for photocatalytic hydrogen production and NO removal. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 773:145583. [PMID: 33582359 DOI: 10.1016/j.scitotenv.2021.145583] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 01/29/2021] [Accepted: 01/29/2021] [Indexed: 06/12/2023]
Abstract
Graphitic carbon nitride (g-C3N4) has emerged as a most promising photocatalyst, non-toxicity and low density, but it is plagued by low activity due to the small specific surface area and poor quantum efficiency. Morphological engineering and coupling with other materials to form hybrids have proven to be effective strategies for enabling high photocatalytic performances. Here, neodymium oxide (Nd2O3) coupled tubular g-C3N4 composites had been facilely synthesized by a solvent evaporation and high-temperature calcination method to realize efficient photocatalytic activity of hydrogen production and NO removal. A series of characterizations, such as XRD, ESR, in-situ DRIFTS, etc., were used to analyze the physical and chemical properties of the bifunctional photocatalyst, which demonstrated that the composite material had more active sites and a faster electron transfer rate. The optimal sample (1 wt% Nd2O3/CN-T) had a H2 generation rate of 4355.34 μmol·g-1·h-1, which was 9.46 times than that of original g-C3N4 obtained through heating melamine (CN-M). In addition, the NO removal rate was also 32.32% higher than that of original CN-M. On the basis of the above photocatalytic experimental results and characterizations, a possible mechanism or pathway was proposed and illustrated. This work could provide a feasible strategy to fabricate tubular g-C3N4-based composites with rare earth metal oxides (dual-factor regulation) to simultaneously enhance photocatalytic hydrogen production and NO removal efficiently (double application).
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Affiliation(s)
- Yuwei Tan
- Chongqing Key Laboratory of Catalysis and New Environmental Materials, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China
| | - Siping Wei
- Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Xingyan Liu
- Chongqing Key Laboratory of Catalysis and New Environmental Materials, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China.
| | - Baoyu Pan
- Chongqing Key Laboratory of Catalysis and New Environmental Materials, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China
| | - Shike Liu
- Chongqing Key Laboratory of Catalysis and New Environmental Materials, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China
| | - Jie Wu
- National-local Joint Engineering Laboratory for Road Engineering and Disaster Prevention and Mitigation Technology in Mountainous Areas, China Merchants Chongqing Communications Technology Research & Design Institute CO., LTD., Chongqing 400067, China.
| | - Min Fu
- Chongqing Key Laboratory of Catalysis and New Environmental Materials, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China
| | - Yiming Jia
- Department of Chemistry "G. Ciamician", University of Bologna, Ravenna Campus, 48121 Ravenna, Italy
| | - Youzhou He
- Chongqing Key Laboratory of Catalysis and New Environmental Materials, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China.
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Nanomaterials and Nanotechnology in Wastewater Treatment. NANOMATERIALS 2021; 11:nano11061539. [PMID: 34200903 PMCID: PMC8230473 DOI: 10.3390/nano11061539] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 06/08/2021] [Indexed: 12/17/2022]
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Rahdar S, Pal K, Mohammadi L, Rahdar A, Goharniya Y, Samani S, Kyzas GZ. Response surface methodology for the removal of nitrate ions by adsorption onto copper oxide nanoparticles. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129686] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Rahdar S, Rahdar A, Sattari M, Hafshejani LD, Tolkou AK, Kyzas GZ. Barium/Cobalt@Polyethylene Glycol Nanocomposites for Dye Removal from Aqueous Solutions. Polymers (Basel) 2021; 13:polym13071161. [PMID: 33916426 PMCID: PMC8038570 DOI: 10.3390/polym13071161] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 03/28/2021] [Accepted: 04/02/2021] [Indexed: 12/12/2022] Open
Abstract
Dyes are known as one of the most dangerous industrial pollutants which can cause skin diseases, allergy, and provoke cancer and mutation in humans. Therefore, one of the important environmental issues is the effective removal of dyes from industrial wastewater. In the current work, BaFe12O19/CoFe2O4@polyethylene glycol (abbreviated as BFO/CFO@PEG) nanocomposite was synthesized and evaluated regarding its capacity for adsorptive removal of a model dye Acid Blue 92 (denoted as AB92) from aqueous solutions. The characteristics of the prepared nanocomposite was determined by tests such as X-ray diffraction (XRD), scanning electron microscope (SEM), vibration sample magnetization (VSM), and Fourier transform infrared spectroscopy (FTIR). The effects of conditional parameters including pH (2–12), initial concentration of dye (20–100 mg/L), adsorbent dosage (0.02–0.1 g/L) and contact time (0-180 min) on the adsorption of dye were investigated and then optimized. The results indicated that with the increase of the adsorbent dosage from 0.02 to 0.1 g/L, the removal efficiency increased from 74.1% to 78.6%, and the adsorbed amount decreased from 148.25 to 31.44 mg/g. The maximum removal efficiency (77.54%) and adsorption capacity (31.02 mg/g) were observed at pH 2. Therefore, the general optimization conditions revealed that the maximum adsorption efficiency of dye was obtained in condition of initial concentration of 20 mg/L, contact time of 1 h and pH of solution equal 2. The adsorption isotherm and kinetic data were evaluated using a series of models. The pseudo-second order kinetic model and Freundlich isotherm model show the best fitting with experimental data with R2∼0.999.
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Affiliation(s)
- Somayeh Rahdar
- Department of Environmental Health, Zabol University of Medical Sciences, Zabol 9861615881, Iran;
| | - Abbas Rahdar
- Department of Physics, Faculty of Science, University of Zabol, Zabol 538-98615, Iran
- Correspondence: (A.R.); (G.Z.K.); Tel.: +30-2510-462218 (G.Z.K.)
| | - Mostafa Sattari
- Department of Mathematics, Faculty of Science, University of Zabol, Zabol 538-98615, Iran;
| | - Laleh Divband Hafshejani
- Department of Environmental Engineering, Faculty of Water and Environmental Engineering, Shahid Chamran University of Ahvaz, Ahvaz 6135743136, Iran;
| | - Athanasia K. Tolkou
- Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - George Z. Kyzas
- Department of Chemistry, International Hellenic University, 65404 Kavala, Greece
- Correspondence: (A.R.); (G.Z.K.); Tel.: +30-2510-462218 (G.Z.K.)
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Liu X, Shan K, Shao X, Shi X, He Y, Liu Z, Jacob JA, Deng L. Nanotoxic Effects of Silver Nanoparticles on Normal HEK-293 Cells in Comparison to Cancerous HeLa Cell Line. Int J Nanomedicine 2021; 16:753-761. [PMID: 33568905 PMCID: PMC7868205 DOI: 10.2147/ijn.s289008] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 01/16/2021] [Indexed: 12/12/2022] Open
Abstract
Purpose Biomimetic approaches for the synthesis of silver nanoparticles (AgNPs) had created a substantial impression among the research community that focuses on nano-bio interactions. In this study, an eco-friendly method using Rhizophora apiculata aqueous leaf extract as a reductant-rich hydrosol was followed to synthesize AgNPs and test its cytotoxicity. Methods To optimise the parameters for the synthesis of AgNPs, central composite design based on response surface methodology was used. The particles synthesized at a nano-scale were characterized in our previously published report. The present report further characterizes the nanoparticles by X-ray diffraction, SEM and TEM at varying sites and magnifications. The characterized AgNPs were tested for their cytotoxic effects on HEK-293 and HeLa cells. Results The cytotoxicity on the cell lines was dose-dependent. At a concentration of 2.5 μL/mL of the AgNPs-containing hydrosol, 100% inhibition of HEK-293 cells and 75% inhibition of the HeLa cells were observed. The IC50 value for AgNPs on HEK-293 was 0.622 µL/mL (12.135 ng), whereas, for HeLa cells, it was 1.98 µL/mL (38.629 ng). Conclusion The nanoparticles were three-fold toxic towards the HEK-293 cells in comparison to the HeLa cells. Therefore, the therapeutic index is low for R. apiculata derived AgNPs on HeLa cells when tested in comparison with the HEK-293 cells. The nanotoxicity profile of the synthesized AgNPs seems more prominent than the nanotherapeutic index. According to our knowledge, this is the first-ever report on the optimization of synthesis of AgNPs using response surface methodology and identifying the therapeutic index of mangrove leaf-derived AgNPs.
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Affiliation(s)
- Xiongwei Liu
- Department of Oncology, Affiliated Jiangyin Hospital of Medical College, Southeast University, Jiangyin, People's Republic of China
| | - Kuizhong Shan
- Department of Oncology, The Second People's Hospital of Kunshan, Kunshan, People's Republic of China
| | - Xiaxia Shao
- Department of Oncology, Affiliated Jiangyin Hospital of Medical College, Southeast University, Jiangyin, People's Republic of China
| | - Xianqing Shi
- Department of Oncology, Liyang People's Hospital, Liyang, People's Republic of China
| | - Yun He
- Department of Oncology, Affiliated Hospital of Chinese Medicine of Changshu City, Nanjing University of Chinese Medicine, Changshu, People's Republic of China
| | - Zhen Liu
- Department of Oncology, Affiliated Jiangyin Hospital of Medical College, Southeast University, Jiangyin, People's Republic of China
| | | | - Lichun Deng
- Department of Oncology, Affiliated Jiangyin Hospital of Medical College, Southeast University, Jiangyin, People's Republic of China
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Hoseini AA, Farhadi S, Zabardasti A, Siadatnasab F. An organic-inorganic hybrid nanomaterial composed of a Dowson-type (NH 4) 6P 2Mo 18O 62 heteropolyanion and a metal-organic framework: synthesis, characterization, and application as an effective adsorbent for the removal of organic dyes. RSC Adv 2020; 10:40005-40018. [PMID: 35520823 PMCID: PMC9057490 DOI: 10.1039/d0ra07042d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 10/18/2020] [Indexed: 11/21/2022] Open
Abstract
In this work, an inorganic-organic hybrid nanomaterial, P2Mo18/MIL-101(Cr), based on Wells-Dawson-type (NH4)6P2Mo18O62 polyoxometalate (abbreviated as P2Mo18) and the MIL-101(Cr) metal-organic framework was fabricated by the reaction of (NH4)6P2Mo18O62, Cr(NO3)3·9H2O and terephthalic acid under hydrothermal conditions. The as-prepared recyclable nanohybrid was fully characterized using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR) equipped with energy dispersive X-ray microanalysis (EDX), field emission scanning electron microscopy (FE-SEM), Raman spectroscopy and Brunauer-Emmett-Teller (BET) specific surface area studies. All the analyses confirmed the successful insertion of P2Mo18O62 6- heteropolyanion within the cavities of MIL-101(Cr). The encapsulated MIL-101(Cr) showed a considerable decrease in both pore volume and surface area compared with MIL-101(Cr) due to incorporation of the very large Dowson-type polyoxometalate into the three-dimensional porous MIL-101(Cr). The nanohybrid had a specific surface area of 800.42 m2 g-1. The adsorption efficiency of this nanohybrid for removal of methylene blue (MB), rhodamine B (RhB), and methyl orange (MO) from aqueous solutions was evaluated. Surprisingly, the composite not only presented a high adsorption capacity of 312.5 mg g-1 for MB, but also has the ability to rapidly remove 100% MB from a dye solution of 50 mg L-1 within 3 min. These results confirmed that this adsorbent is applicable in a wide pH range of 2-10. The nanohybrid showed rapid and selective adsorption for cationic MB and RhB dyes from MB/MO, MB/RhB, MO/RhB and MB/MO/RhB mixed dye solutions. The equilibrium adsorption data were better fitted by the Langmuir isotherm. Kinetics data indicate that the adsorption of the dye follows a pseudo-second order kinetics model. Also, this material could be effortlessly separated and recycled without any structural modification. Accordingly, it is an efficient adsorbent for removing cationic dyes.
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Affiliation(s)
- Akram-Alsadat Hoseini
- Department of Chemistry, Lorestan University Khorramabad 68151-433 Iran +98 66 33120618 +98 66 33120611
| | - Saeed Farhadi
- Department of Chemistry, Lorestan University Khorramabad 68151-433 Iran +98 66 33120618 +98 66 33120611
| | - Abedin Zabardasti
- Department of Chemistry, Lorestan University Khorramabad 68151-433 Iran +98 66 33120618 +98 66 33120611
| | - Firouzeh Siadatnasab
- Department of Chemistry, Lorestan University Khorramabad 68151-433 Iran +98 66 33120618 +98 66 33120611
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Ahmadi S, Rahdar A, Igwegbe CA, Mortazavi-Derazkola S, Banach AM, Rahdar S, Singh AK, Rodriguez-Couto S, Kyzas GZ. Praseodymium-doped cadmium tungstate (CdWO4) nanoparticles for dye degradation with sonocatalytic process. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114792] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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