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Accumulation and distribution characteristics of rare earth elements (REEs) in the naturally grown marigold (Tagetes erecta L.) from the soil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:46355-46367. [PMID: 36717415 DOI: 10.1007/s11356-023-25508-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 01/19/2023] [Indexed: 02/01/2023]
Abstract
Rare earth elements (REEs) are considered environmental pollutants that have received extensive attention recently. The accumulation of REEs in plants is important because REEs can eventually enter the human body via the food chain. Marigolds are widely utilized as medicinal and commercial plants in medicine, feed, and therapeutics. Due to the extremely high demand for marigold in global, it is urgent to investigate the accumulation and distribution of REEs in marigold plants to reduce human and animal health risks. Marigold leaves tended to bioaccumulate the highest amounts of REEs from soil compared with other tissues. The distribution patterns of REEs in marigold were similar to those in the rhizosphere soil, which was enriched in light rare earth elements. Cerium accumulated most in marigold and soil, accounting for nearly 50% of ΣREEs, followed by lanthanum, neodymium, and yttrium. Roots were the most susceptible tissue affected by soil REE concentration, and a significant positive correlation was observed for REEs in the roots of marigold and soils (R = 0.87), while no significant correlation was observed for REEs in soils and other tissues. REEs were poorly transferred from soil to marigold, with bioaccumulation factor values for all tissues of marigold less than one. Additionally, REEs exhibited a positive correlation with Al and Fe in the roots, stems, leaves, and flowers of marigold. The present research revealed the biological interactions between marigold and soil and the distribution of REEs in various parts of marigold. It provides a reference for large-scale commercial cultivation and potential environmental risk in the future.
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Mleczek P, Borowiak K, Budka A, Szostek M, Niedzielski P. Possible sources of rare earth elements near different classes of road in Poland and their phytoextraction to herbaceous plant species. ENVIRONMENTAL RESEARCH 2021; 193:110580. [PMID: 33309821 DOI: 10.1016/j.envres.2020.110580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 11/30/2020] [Accepted: 12/01/2020] [Indexed: 05/12/2023]
Abstract
The growing use of rare earth elements (REE) in industry determines their increased transport to the environment. The higher concentration of this group of elements in soils near roads may also suggest that traffic plays a significant role in their distribution. The aim of this study was to examine the content of REEs in selected consumables (car parts, asphalt) and environmental samples (plants, soils) in order to estimate the extent to which these elements derive from traffic and also to analyze their phytoextraction from soil by selected herbaceous plants species. Research materials were car parts (5 brake pads, 10 new tires - summer and winter), 20 samples of asphalt and road dust settled on its surface; soil, and 7 plants species growing at a distance of 1 m from the edge of the 5 roads located in the Wielkopolska Voivodeship, Poland. The content of REEs in the collected samples was determined using inductively coupled plasma optical emission spectrometer. The content of REEs in asphalt and brake pads was similar and significantly higher than in tires. According to the mass of particular stripped materials, the main source of these elements was asphalt. The amount of REEs released from tires to the environment was found to be much lower than REEs released from asphalt but generally higher than from brake pads. The content of REEs in the soil was found to increase in accordance with traffic intensity, but chemical composition of soil was the main determinant of the uptake these elements, mainly via the root systems of plants. The obtained results suggest that densely vegetated roadsides and verges could be an effective strategy for decontamination of soils polluted with REEs, although the most effective remedy would involve significant changes in the production technologies of automotive parts and asphalt that would limit the emission of elements to environment.
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Affiliation(s)
- Patrycja Mleczek
- Department of Ecology and Environmental Protection, Poznan University of Life Sciences, Piątkowska 94C, 60-649, Poznań, Poland.
| | - Klaudia Borowiak
- Department of Ecology and Environmental Protection, Poznan University of Life Sciences, Piątkowska 94C, 60-649, Poznań, Poland
| | - Anna Budka
- Poznan University of Life Sciences, Department of Mathematical and Statistical Methods, Wojska Polskiego 28, 60-637, Poznań, Poland
| | - Małgorzata Szostek
- University of Rzeszów, College of Natural Sciences, Institute of Agricultural Sciences, Zelwerowicza 8b, 35-601, Rzeszów, Poland
| | - Przemysław Niedzielski
- Adam Mickiewicz University in Poznań, Faculty of Chemistry, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
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Fontana KB, Araujo RGO, de Oliveira FJS, Bascuñan VLAF, de Andrade Maranhão T. Rare earth elements in drill cutting samples from off-shore oil and gas exploration activities in ultradeep waters. CHEMOSPHERE 2021; 263:127984. [PMID: 32854010 DOI: 10.1016/j.chemosphere.2020.127984] [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: 06/05/2020] [Revised: 08/04/2020] [Accepted: 08/11/2020] [Indexed: 06/11/2023]
Abstract
Rare earth elements (REEs) are essential in high technology industries and have great economic value. The monitoring of REEs concentrations in rocks from oil well drill cuttings is critical to avoid environmental contamination and evaluate new sources of these elements. However, information is scarce about the REEs concentrations in drill cuttings. In this work, the concentration of REEs in drill cuttings from oil and gas exploration wells in ultradeep coastal water of Brazilian were investigated at different depths. The drill cutting samples were submitted to microwave-assisted acid digestion prior to the determination of concentration by ICP-MS, using Rh as internal standard for calibration. The limits of quantification (LoQ) ranged from 3.3 μg kg-1 for Ho to 198 μg kg-1 for Sm. The accuracy was evaluated by analyzing certified reference materials for rocks. The obtained REEs concentrations agreed with the certified values, reaching 83%-105% agreement. The drill cutting depth profile analysis indicates Ce, La, Nd, Sm, and Eu concentrations up to mg kg-1. The REEs concentrations obtained in drill cutting depth profile was analyzed by principal component analysis (PCA), and hierarchical cluster analysis (HCA) identified tendency and similarity between drill cutting samples. Three groups were formed according to the composition of the REEs. In addition, the concentration of these chemicals elements varied at different depths. The analysis of drill cuttings revealed REEs concentrations up to the mg per kg-range (ppm), potentially making this disposable material an alternative source for REEs extraction, and adding value to this material.
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Affiliation(s)
- Klaiani Bez Fontana
- Departamento de Química, Campus Trindade, Universidade Federal de Santa Catarina, 88040-900, Florianópolis, SC, Brazil.
| | - Rennan Geovanny O Araujo
- Departamento de Química Analítica, Instituto de Química, Campus Universitário de Ondina, Universidade Federal da Bahia, 40170-115, Salvador, BA, Brazil; Instituto Nacional de Ciência e Tecnologia, INCT, de Energia e Ambiente, Universidade Federal da bahia, 40170-290, Salvador, BA, Brazil
| | - Fernando J S de Oliveira
- Petróleo Brasileiro S. A., Gerência de Meio Ambiente, Av. Almirante Barroso, 81, 20031-004, Rio de Janeiro, RJ, Brazil
| | - Vera L A F Bascuñan
- Departamento de Química, Campus Trindade, Universidade Federal de Santa Catarina, 88040-900, Florianópolis, SC, Brazil
| | - Tatiane de Andrade Maranhão
- Departamento de Química, Campus Trindade, Universidade Federal de Santa Catarina, 88040-900, Florianópolis, SC, Brazil
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Zhou H, Chun X, Lü C, He J, Du D. Geochemical characteristics of rare earth elements in windowsill dust in Baotou, China: influence of the smelting industry on levels and composition. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2020; 22:2398-2405. [PMID: 33237075 DOI: 10.1039/d0em00273a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Smelting is one of the main sources of rare earth elements (REEs) in large scale smelting regions that have been neglected before. To provide experimental evidence on the influence of smelting processes on REEs in windowsill dust, this study investigated the concentration, chemical fractions, and spatial distribution of 14 REEs in windowsill dust and assessed the possible influence of smelting processes on the geochemical behavior of these REEs. A total of 46 windowsill dust samples were collected from different locations in Baotou, a typical industrial city for large-scale smelting. The fractions of REEs were analyzed by Tessier sequential extraction analysis. The enrichment factor (EF) was adopted to assess the contribution of anthropogenic emissions of REEs. The loess-normalized REE patterns of windowsill dust are similar to those of the iron ore of the Bayan Obo mine, but differ from those of the local soil. The concentrations of La, Ce, Pr, Nd, and ∑REEs in the residual fraction and total digestion decrease gradually with the increase in distance from the smelter in the downwind direction. These results suggested that the accumulation and fractionation of REEs in windowsill dust are considerably influenced by smelting. The emission of smelting is the main source of REEs for windowsill dust in Baotou.
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Affiliation(s)
- Haijun Zhou
- Inner Mongolia Key Laboratory of Mongolian Plateau Environment and Global Change, Inner Mongolia Normal University, Hohhot 010022, China and Inner Mongolia Repair Engineering Laboratory of Wetland Eco-environment System, Inner Mongolia Normal University, Hohhot 010022, China and College of Geographical Sciences, Inner Mongolia Normal University, Hohhot 010022, China
| | - Xi Chun
- Inner Mongolia Key Laboratory of Mongolian Plateau Environment and Global Change, Inner Mongolia Normal University, Hohhot 010022, China and Inner Mongolia Repair Engineering Laboratory of Wetland Eco-environment System, Inner Mongolia Normal University, Hohhot 010022, China and College of Geographical Sciences, Inner Mongolia Normal University, Hohhot 010022, China
| | - Changwei Lü
- School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Jiang He
- School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Dagula Du
- Environmental Monitoring Center of Inner Mongolia, Hohhot 010011, China
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Yan Y, Chi HF, Liu JR, Hu GR, Yu RL, Huang HB, Lin CQ. Provenance and bioaccessibility of rare earth elements in atmospheric particles in areas impacted by the optoelectronic industry. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 263:114349. [PMID: 32244157 DOI: 10.1016/j.envpol.2020.114349] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 02/28/2020] [Accepted: 03/06/2020] [Indexed: 06/11/2023]
Abstract
Rare earth elements (REEs) are widely used in optoelectronic industries, and they can be emitted into the environment and may induce biological effects. In this study, we investigated the provenance and bioaccessibility of REEs in atmospheric particles (APs) collected from areas impacted by the optoelectronic industry. The geoaccumulation index (Igeo) values showed that Y, Eu, and Tb were much more enriched in the APs from the optoelectronic recycling sites than in those from the optoelectronic producing sites and were not enriched in the APs from the optoelectronic administrative sites and background sites. The characteristic parameters and the distribution patterns of REEs demonstrated that the AP samples from the recycling sites and producing sites showed remarkably positive Eu and Tb anomalies. According to the positive matrix factorization (PMF) model, the optoelectronic industry was quantitatively determined to contribute 82.8% of Y, 86.5% of Eu, and 83.4% of Tb. Furthermore, an in vitro physiologically based extraction test (PBET) was performed to assess the bioaccessibility of REEs in the APs. The results showed that the bioaccessibility of all the REEs in the APs was below 50.0% in the human gastrointestinal tract, with higher values in the gastric phases than in the intestinal phases. In particular, extremely low gastric bioaccessibilities of Tb and Ce and relatively high gastric bioaccessibilities of Y and Eu were observed in the APs from the recycling sites and producing sites, which may due to the chemical composition of the compounds containing REEs that are used in the optoelectronic industry. In conclusion, our results provide additional information about the contribution and influence of the optoelectronic industry on the provenance and bioaccessibility of REEs in APs.
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Affiliation(s)
- Yu Yan
- Department of Environmental Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Hai-Feng Chi
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jia-Rong Liu
- Department of Environmental Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Gong-Ren Hu
- Department of Environmental Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Rui-Lian Yu
- Department of Environmental Science and Engineering, Huaqiao University, Xiamen, 361021, China.
| | - Hua-Bin Huang
- Department of Science and Technology for Inspection, Xiamen Huaxia University, Xiamen, 361024, China
| | - Cheng-Qi Lin
- Department of Science and Technology for Inspection, Xiamen Huaxia University, Xiamen, 361024, China
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Abbasi S, Keshavarzi B, Moore F, Hopke PK, Kelly FJ, Dominguez AO. Elemental and magnetic analyses, source identification, and oxidative potential of airborne, passive, and street dust particles in Asaluyeh County, Iran. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 707:136132. [PMID: 31865089 DOI: 10.1016/j.scitotenv.2019.136132] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 11/27/2019] [Accepted: 12/13/2019] [Indexed: 06/10/2023]
Abstract
One of the most important environmental issues in arid and semi-arid regions is deposition of dust particles. In this study, airborne, passive, and street dust samples were collected in Asaluyeh County, in August 2017, September 2017, and February 2018. The PM2.5 and PM10 concentrations for the sampling period ranged between 19.7 and 76.0 μg/m3 and 47.16-348 μg/m3 with an average of 46.4 μg/m3 and 143 μg/m3, respectively. Monthly dust deposition rates ranged from 5.2 to 26.1 g/m2 with an average of 17.85 g/m2. Positive Matrix Factorization (PMF) applied to the dust compositional data indicated that Sb, Zn, Pb, Mo, Cu, and As come from anthropogenic sources while Al, Fe, Ti, Mn, Ni, Cr, and Co originate mostly from geogenic sources. The PMF results indicated that the geogenic material was the major source of passive and airborne dust samples. Elemental compositions were similar for passive dust and local surface soil. Frequency-dependent magnetic susceptibility (χIf and χfd%) showed that the local soil is entisol. Isothermal remanent magnetization (IRM-100mT/IRM1T) versus saturation IRM (SIRM) demonstrated that the background sample contains ferrimagnetic minerals, but with increasing SIRM, the concentration of soft magnetic magnetite-like phases increases and the magnetic particles are larger. Mrs./Ms. versus Bcr/Bc indicated that the magnetic particles sizes were probably between 120 and 1000 nm. Eu values and the mean Eu/Eu* and La/Al values clearly show that the airborne dust is most affected by oil industries, while passive dust samples primarily originated from local surface soils. These assumptions were confirmed by Hybrid Single Particle Lagrangian Integrated Trajectory (HYSPLIT) model results. The samples display a moderate level of oxidation towards ascorbic acid (OPAA) and glutathione (OPGSH). Regarding the passive and airborne dust samples, backward Generalized Estimating Equations (GEE) modeling results display a significant positive relationship between geogenic material and oxidative potential (OP). It includes many redox-active transition metals. Alternatively, the street dust OP is strongly related to geogenic and industrial sources and OPAA is marginally related to urban sources. It was shown that measured magnetic parameters can be used for OP estimation.
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Affiliation(s)
- Sajjad Abbasi
- Department of Earth Sciences, College of Science, Shiraz University, Shiraz 71454, Iran
| | - Behnam Keshavarzi
- Department of Earth Sciences, College of Science, Shiraz University, Shiraz 71454, Iran.
| | - Farid Moore
- Department of Earth Sciences, College of Science, Shiraz University, Shiraz 71454, Iran
| | - Philip K Hopke
- Department of Public Health Sciences, University of Rochester Medical Center, Rochester, NY, United States; Center for Air Resources Engineering and Science, Clarkson University, Potsdam, NY, United States
| | - Frank J Kelly
- MRC-PHE Centre for Environment and Health, King's College London, 150 Stamford Street, London SE1 9NH, UK
| | - Ana Oliete Dominguez
- MRC-PHE Centre for Environment and Health, King's College London, 150 Stamford Street, London SE1 9NH, UK
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Yang Q, Wang L, He J, Wei H, Yang Z, Huang X. Arabinogalactan Proteins Are the Possible Extracellular Molecules for Binding Exogenous Cerium(III) in the Acidic Environment Outside Plant Cells. FRONTIERS IN PLANT SCIENCE 2019; 10:153. [PMID: 30842782 PMCID: PMC6391350 DOI: 10.3389/fpls.2019.00153] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 01/29/2019] [Indexed: 05/29/2023]
Abstract
Rare earth elements [REE(III)] increasingly accumulate in the atmosphere and can be absorbed by plant leaves. Our previous study showed that after treatment of REE(III) on plant, REE(III) is first bound by some extracellular molecules of plant cells, and then the endocytosis of leaf cells will be initiated, which terminates the endocytic inertia of leaf cells. Identifying the extracellular molecules for binding REE(III) is the crucial first step to elucidate the mechanism of REE(III) initiating the endocytosis in leaf cells. Unfortunately, the molecules are unknown. Here, cerium(III) [Ce(III)] and Arabidopsis served as a representative of REE(III) and plants, respectively. By using interdisciplinary methods such as confocal laser scanning microscopy, immune-Au and fluorescent labeling, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), ultraviolet-visible spectroscopy, circular dichroism spectroscopy, fluorescent spectrometry and molecular dynamics simulation, we obtained two important discoveries: first, the arabinogalactan proteins (AGP) inside leaf cells were sensitively increased in protein expression and recruited onto the plasma membrane; second, to verify whether AGP can bind to Ce(III) in the acidic environment outside leaf cells, by choosing fasciclin-like AGP11 (AtFLA11) as a representative of AGP, we found that Ce(III) can form stable [Ce(H2O)7](III)-AtFLA11 complexes with an apparent binding constant of 1.44 × 10-6 in simulated acidic environment outside leaf cells, in which the secondary and tertiary structure of AtFLA11 was changed. The structural change in AtFLA11 and the interaction between AtFLA11 and Ce(III) were enhanced with increasing the concentration of Ce(III). Therefore, AtFLA11 can serve as Lewis bases to coordinately bind to Ce(III), which broke traditional chemical principle. The results confirmed that AGP can be the possible extracellular molecules for binding to exogenous Ce(III) outside leaf cells, and provided references for elucidating the mechanism of REE(III) initiating the endocytosis in leaf cells.
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Affiliation(s)
- Qing Yang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China
| | - Lihong Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Jingfang He
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China
| | - Haiyan Wei
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China
| | - Zhenbiao Yang
- Center for Plant Cell Biology, Institute for Integrative Genome Biology, University of California, Riverside, Riverside, CA, United States
| | - Xiaohua Huang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China
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Hassan SK, Mohammed AMF, Khoder MI. Characterization and Health Risk Assessment of Human Exposure to PAHs in Dust Deposited on Leaves of Street Trees in Egypt. Polycycl Aromat Compd 2019. [DOI: 10.1080/10406638.2018.1517810] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Salwa K. Hassan
- Air Pollution Research Department, National Research Centre, Giza, Egypt
| | | | - Mamdouh I. Khoder
- Air Pollution Research Department, National Research Centre, Giza, Egypt
- Environmental Sciences Department, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
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Shaltout AA, Harfouche M, Ahmed SI, Czyzycki M, Karydas AG. Synchrotron radiation total reflection X-ray fluorescence (SR-TXRF) and X-ray absorption near edge structure (XANES) of fractionated air particulates collected from Jeddah, Saudi Arabia. Microchem J 2018. [DOI: 10.1016/j.microc.2017.10.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Shaltout AA, Abd-Elkader OH. Levels of Trace Elements in Black Teas Commercialized in Saudi Arabia Using Inductively Coupled Plasma Mass Spectrometry. Biol Trace Elem Res 2016; 174:477-483. [PMID: 27166629 DOI: 10.1007/s12011-016-0728-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2016] [Accepted: 04/27/2016] [Indexed: 10/21/2022]
Abstract
The present work has been demonstrated a developed method for the determination of Mn, Fe, Co, Ni, Cu, Zn, Mo, Cd, As, Cr, Pb, and V in different types of black teas collected from Saudi Arabia market using inductively coupled plasma mass spectrometry (ICP-MS). Each sample represents a well-mixed combination of ten packets from the same type collected from the market. Detection limits in ng g-1 were 76.06, 166.03, 5.94, 2.94, 18.29, 18.29, 9.00, 0.48, 0.48, 7.67, 3.07, and 4.21 for Mn, Fe, Co, Ni, Cu, Zn, Mo, Cd, As, Cr, Pb, and V, respectively. In order to validate the developed method, a certified reference material of green tea was analyzed. Further comparison with the results obtained from high-resolution continuum source atomic absorption spectrometry (HR-CS-AAS) was demonstrated. The obtained good agreement confirms the validity of the investigated method. Fortunately, the concentrations of the heavy metals locate on the range of the international values. The highest metal content was found in Al-Rabee tea, and this type results should be confirmed by using a large number of samples in order to have satisfied and confirmed statistical analysis results.
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Affiliation(s)
- Abdallah A Shaltout
- Physics Department, Faculty of Science, Taif University, P.O. Box 888, Taif, 21974, Saudi Arabia.
- Spectroscopy Department, Physics Division, National Research Center, El-Behooth Str., 12622 Dokki, Cairo, Egypt.
| | - Omar H Abd-Elkader
- Department of Zoology, Science College, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
- Electron Microscope and Thin Films Department, National Research Center (NRC), El-Behooth Street, 12622, Dokki, Cairo, Egypt
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Varbanova EK, Angelov PA, Stefanova VM. Study of 3-Ethylamino-but-2-enoic acid phenylamide as a new ligand for preconcentration of lanthanides from aqueous media by liquid-liquid extraction prior to ICP-MS analysis. Talanta 2016; 160:389-399. [DOI: 10.1016/j.talanta.2016.07.061] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 07/23/2016] [Accepted: 07/25/2016] [Indexed: 11/29/2022]
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12
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Luo N, An L, Nara A, Yan X, Zhao W. GIS-based multielement source analysis of dustfall in Beijing: A study of 40 major and trace elements. CHEMOSPHERE 2016; 152:123-131. [PMID: 26966811 DOI: 10.1016/j.chemosphere.2016.02.099] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 02/21/2016] [Accepted: 02/23/2016] [Indexed: 06/05/2023]
Abstract
Dust, as an important carrier of inorganic and organic pollutants, daily exposes to human without any protection. It affects our health adversely, especially its chemical elements and ions. In this research, we investigated the chemical characteristics of dustfall in Beijing, specifically in terms of 40 major and trace elements, and presented semi-quantitative evaluations of the relative local and remote contributions. In total, 58 samples were collected in Beijing and nearby cities during 2013-2014 "the winter heating period". Using multiple statistical methods and GIS techniques, we obtained the relative similarities among certain elements and identified their pollution sources (from local or nearby cities). And more interestingly, the relative contributions of nearby cities can be calculated by the Hysplit4 backward-trajectory model. In addition, the correlation analysis for the 40 elements in dust and soil indicated that traffic restricted interchange between them; the city center, with the heaviest traffic, had the most significant influence. Finally, the resulting source apportionment was examined and modified using land use data and terrain information. We hope it can provide a strong basis for the environmental protection and risk assessment.
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Affiliation(s)
- Nana Luo
- College of Resource Environment and Tourism, Capital Normal University, Beijing, China; Department of Geography, San Diego State University, 5500 Campanile Dr., San Diego, CA, 92182-4493, USA
| | - Li An
- Department of Geography, San Diego State University, 5500 Campanile Dr., San Diego, CA, 92182-4493, USA
| | - Atsushi Nara
- Department of Geography, San Diego State University, 5500 Campanile Dr., San Diego, CA, 92182-4493, USA
| | - Xing Yan
- College of Resource Environment and Tourism, Capital Normal University, Beijing, China; Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong, China
| | - Wenji Zhao
- College of Resource Environment and Tourism, Capital Normal University, Beijing, China.
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Shaltout AA, Allam MA, Mostafa NY, Heiba ZK. Spectroscopic Characterization of Dust-Fall Samples Collected from Greater Cairo, Egypt. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2016; 70:544-555. [PMID: 26710766 DOI: 10.1007/s00244-015-0256-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 12/13/2015] [Indexed: 06/05/2023]
Abstract
This work aimed to characterize dust-fall samples collected from street's trees in Greater Cairo (GC), Egypt, and its surroundings by different spectroscopic techniques, namely; X-ray diffraction (XRD), attenuated total-reflection Fourier transform infrared (ATR-FTIR), particle-size analyzer, and scanning electron microscopy (SEM) combined with energy dispersive X-ray measurements. Samples were collected from 19 different locations inside and outside of GC. Quantitative phase analysis of the dust-fall samples was performed using the Rietveld method. Results showed that the most frequently observed phases in the dust-fall samples were calcite (CaCO3), dolomite (CaMg(CO3)2), gypsum (CaSO4·2H2O), and quartz (SiO2) with average concentrations of 39 ± 16, 8 ± 7, 22 ± 13, and 33 ± 14 wt%, respectively. The occurrence of these constituents referred to a combination of different anthropogenic and natural sources. The ATR-FTIR results are in good agreements with XRD data of the different observed phases. Based on the SEM and particle-size measurements, quantitative determination of the particle-size distribution was described. It was found that not only the large-sized particles are deposited but also the small-sized ones (PM10 and PM2.5). In addition, the particle size of the collected dust-fall samples varied from 0.1 to 200 µm with an average particle size of 17.36 µm; however, the particle size ranged from 2.5 to 40 µm predominated in all of the dust-fall samples.
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Affiliation(s)
- Abdallah A Shaltout
- Spectroscopy Department, Physics Division, National Research Center, El Behooth Street, 12622, Dokki, Cairo, Egypt.
- Faculty of Science, Taif University, P. O. Box 888, 21974, Taif, Saudi Arabia.
| | - Mousa A Allam
- Spectroscopy Department, Physics Division, National Research Center, El Behooth Street, 12622, Dokki, Cairo, Egypt
- Faculty of Science, Taif University, P. O. Box 888, 21974, Taif, Saudi Arabia
| | - Nasser Y Mostafa
- Faculty of Science, Taif University, P. O. Box 888, 21974, Taif, Saudi Arabia
- Chemistry Department, Faculty of Science, Suez Canal University, 41522, Ismailia, Egypt
| | - Zein K Heiba
- Faculty of Science, Taif University, P. O. Box 888, 21974, Taif, Saudi Arabia
- Physics Department, Faculty of Science, Ain Shams University, Cairo, Egypt
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14
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Yang Q, Wang L, Zhou Q, Huang X. Toxic effects of heavy metal terbium ion on the composition and functions of cell membrane in horseradish roots. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 111:48-58. [PMID: 25450914 DOI: 10.1016/j.ecoenv.2014.10.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2014] [Revised: 09/26/2014] [Accepted: 10/01/2014] [Indexed: 05/22/2023]
Abstract
The environmental safety of rare earth elements (REEs), especially the toxic effect of REEs on plants, has attracted increasing attention. However, the cellular mechanism of this toxic effect remains largely unknown. Here, the toxic effects of heavy REE terbium ion [Tb(III)] on the cell membrane of horseradish roots were investigated by using electron microscope autoradiography (EMARG) and histochemical methods. The results indicated that Tb(III) was distributed in the extracellular and intracellular spaces of the roots after horseradish was treated with Tb(III). Moreover, the percentage contents of the unsaturated fatty acids in the membrane lipids, the current of the outward K(+) channel and the average diameter of membrane proteins in the roots of horseradish treated with Tb(III) were decreased; on the contrary, the percentage contents of the saturated fatty acids and malondialdehyde in the roots of horseradish treated with Tb(III) were increased. Furthermore, the contents of intracellular N, P, Mg and Fe in the roots of horseradish treated with Tb(III) were decreased, while the contents of intracellular K and Ca in the roots of horseradish treated with Tb(III) were increased. Finally, the effects of Tb(III) on horseradish roots were increased with increasing concentration or duration of Tb(III) treatment. In conclusion, after horseradish was treated with Tb(III), Tb(III) could enter the cells of horseradish roots and lead to the toxic effects on horseradish, which caused the oxidation of the unsaturated fatty acids in the membrane lipids, the changes in the membrane proteins (including the outward K(+) channel), the decrease in the membrane fluidity, and then the inhibition of the intracellular/extracellular-ion exchange in horseradish roots.
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Affiliation(s)
- Qing Yang
- State Key Laboratory of Food Science and Technology, School of Environment and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Lihong Wang
- State Key Laboratory of Food Science and Technology, School of Environment and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Qing Zhou
- State Key Laboratory of Food Science and Technology, School of Environment and Civil Engineering, Jiangnan University, Wuxi 214122, China.
| | - Xiaohua Huang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Biomedical Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210046, China.
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15
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Wang L, Liang T, Zhang Q, Li K. Rare earth element components in atmospheric particulates in the Bayan Obo mine region. ENVIRONMENTAL RESEARCH 2014; 131:64-70. [PMID: 24657942 DOI: 10.1016/j.envres.2014.02.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Revised: 01/10/2014] [Accepted: 02/20/2014] [Indexed: 06/03/2023]
Abstract
The Bayan Obo mine, located in Inner Mongolia, China, is the largest light rare earth body ever found in the world. The research for rare earth elements (REEs) enrichment in atmospheric particulates caused by mining and ore processing is fairly limited so far. In this paper, atmospheric particulates including total suspended particulate (TSP) matter and particles with an equivalent aerodynamic diameter less than 10 μm (PM10) were collected around the Bayan Obo mine region, in August 2012 and March 2013, to analyze the levels and distributions of REEs in particles. The total concentrations of REEs for TSP were 149.8 and 239.6 ng/m(3), and those for PM10 were 42.8 and 68.9 ng/m(3), in August 2012 and March 2013, respectively. Enrichment factor was calculated for all 14 REEs in the TSP and PM10 and the results indicated that REEs enrichment in atmosphere particulates was caused by anthropogenic sources and influenced by the strong wind in springtime. The spatial distribution of REEs in TSP showed a strong gradient concentration in the prevailing wind direction. REE chondrite normalized patterns of TSP and PM10 were similar and the normalized curves inclined to the right side, showing the conspicuous fractionation between the light REEs and heavy REE, which supported by the chondrite normalized concentration ratios calculated for selected elements (La(N)/Yb(N), La(N)/Sm(N), Gd(N)/Yb(N)).
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Affiliation(s)
- Lingqing Wang
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.
| | - Tao Liang
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.
| | - Qian Zhang
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Kexin Li
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
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16
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Shaltout AA, Boman J, Welz B, Castilho IN, Al Ashkar EA, Gaita S. Method development for the determination of Cd, Cu, Ni and Pb in PM2.5 particles sampled in industrial and urban areas of Greater Cairo, Egypt, using high-resolution continuum source graphite furnace atomic absorption spectrometry. Microchem J 2014. [DOI: 10.1016/j.microc.2013.10.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Ma J, Wang Z, Shi Y, Li Q. Synthesis and characterization of lysine-modified SBA-15 and its selective adsorption of scandium from a solution of rare earth elements. RSC Adv 2014. [DOI: 10.1039/c4ra07571d] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel lysine-functionalized mesoporous material was synthesized using a facile two-step post-grafting method, selectively adsorbing scandium from aqueous solution.
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Affiliation(s)
- Jiaxian Ma
- School of Material Science and Engineering
- Shanghai University
- Shanghai 200444, China
- Shanghai Institute of Ceramics
- Chinese Academy of Sciences
| | - Zheng Wang
- Shanghai Institute of Ceramics
- Chinese Academy of Sciences
- Shanghai 200050, P. R. China
| | - Ying Shi
- School of Material Science and Engineering
- Shanghai University
- Shanghai 200444, China
| | - Qing Li
- Shanghai Institute of Ceramics
- Chinese Academy of Sciences
- Shanghai 200050, P. R. China
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18
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Wang B, Xia D, Yu Y, Jia J, Xu S. Detection and differentiation of pollution in urban surface soils using magnetic properties in arid and semi-arid regions of northwestern China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2014; 184:335-346. [PMID: 24095704 DOI: 10.1016/j.envpol.2013.08.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 08/09/2013] [Accepted: 08/11/2013] [Indexed: 06/02/2023]
Abstract
Increasing urbanization and industrialization over the world has caused many social and environmental problems, one of which drawing particular concern is the soil pollution and its ecological degradation. In this study, the efficiency of magnetic methods for detecting and discriminating contaminates in the arid and semi-arid regions of northwestern China was investigated. Topsoil samples from six typical cities (i.e. Karamay, Urumqi, Lanzhou, Yinchuan, Shizuishan and Wuhai) were collected and a systematic analysis of their magnetic properties was conducted. Results indicate that the topsoil samples from the six cities were all dominated by coarse low-coercivity magnetite. In addition, the average magnetite contents in the soils from Urumqi and Lanzhou were shown to be much higher than those from Karamay, Yinchuan, Shizuishan and Wuhai, and they also have relatively higher χlf and χfd% when compared with cities in eastern China. Moreover, specific and distinctive soil pollution signals were identified at each sampling site using the combined various magnetic data, reflecting distinct sources. Industrial and traffic-derived pollution was dominant in Urumqi and Lanzhou, in Yinchuan industrial progress was observed to be important with some places affected by vehicle emission, while Karamay, Shizuishan and Wuhai were relatively clean. The magnetic properties of these latter three cities are significantly affected by both anthropogenic pollution and local parent materials from the nearby Gobi desert. The differences in magnetic properties of topsoil samples affected by mixed industrial and simplex traffic emissions are not obvious, but significant differences exist in samples affected by simplex industrial/vehicle emissions and domestic pollution. The combined magnetic analyses thus provide a sensitive and powerful tool for classifying samples according to likely sources, and may even provide a valuable diagnostic tool for discriminating among different cities.
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Affiliation(s)
- Bo Wang
- Key Laboratory of West China's Environmental System, Ministry of Education, Lanzhou University of China, Lanzhou 730000, China
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