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Gadd GM. Arsenic Toxicity: An Arsenic-Hyperaccumulating Fern Uses a Bacterial-like Tolerance Mechanism. Curr Biol 2019; 29:R580-R582. [DOI: 10.1016/j.cub.2019.05.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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52
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Extraction of arsenic(III) in aqueous two-phase systems: A new methodology for determination and speciation analysis of inorganic arsenic. Microchem J 2019. [DOI: 10.1016/j.microc.2019.03.058] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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53
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Determination of total inorganic arsenic in water samples by cadmium ion assisted photochemical vapor generation-atomic fluorescence spectrometry. Microchem J 2019. [DOI: 10.1016/j.microc.2019.01.022] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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54
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Redan BW, Jablonski JE, Halverson C, Jaganathan J, Mabud MA, Jackson LS. Factors Affecting Transfer of the Heavy Metals Arsenic, Lead, and Cadmium from Diatomaceous-Earth Filter Aids to Alcoholic Beverages during Laboratory-Scale Filtration. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:2670-2678. [PMID: 30784277 PMCID: PMC9116435 DOI: 10.1021/acs.jafc.8b06062] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Filtration methods for alcoholic fermented beverages often use filter aids such as diatomaceous earth (DE), which may contain elevated amounts of the heavy metals arsenic (As), lead (Pb), and cadmium (Cd). Here, we evaluated factors affecting transfer of these heavy metals from DE to beer and wine. A laboratory-scale filtration system was used to process unfiltered ale, lager, red wine, and white wine with three types of food-grade DE. Filtrate and DE were analyzed for heavy metals using ICP-MS, in addition to LC-ICP-MS for As-speciation analysis. Use of 2 g/L DE containing 5.4 mg/kg soluble inorganic As (iAs) for filtering beer and wine resulted in significant ( p < 0.05) increases of 11.2-13.7 μg/L iAs in the filtered beverage. There was a significant ( p < 0.05) effect from the DE quantity used in filtration on the transfer of iAs in all beverage types, whereas no alterations were observed for Pb and Cd levels. Methods to wash DE using water, citric acid, or EDTA all significantly ( p < 0.05) reduced iAs concentrations, whereas only EDTA significantly reduced Pb levels. Cd concentrations were not affected by any wash method. These data indicate that specific steps can be taken to limit heavy-metal transfer from DE filter aids to beer and wine.
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Affiliation(s)
- Benjamin W. Redan
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Office of Food Safety, Division of Food Processing Science and Technology
| | - Joseph E. Jablonski
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Office of Food Safety, Division of Food Processing Science and Technology
| | - Catherine Halverson
- U.S. Department of the Treasury, Alcohol and Tobacco Tax and Trade Bureau, Scientific Services Division
| | - James Jaganathan
- U.S. Department of the Treasury, Alcohol and Tobacco Tax and Trade Bureau, Scientific Services Division
| | - Md. Abdul Mabud
- U.S. Department of the Treasury, Alcohol and Tobacco Tax and Trade Bureau, Scientific Services Division
| | - Lauren S. Jackson
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Office of Food Safety, Division of Food Processing Science and Technology
- Corresponding author: Tel: 708-924-0616; Fax: 708-924-0690;
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Ferreira NS, Oliveira LHB, Agrelli V, de Oliveira AF, Nogueira ARA, Oliveira A, Gonzalez MH. Bioaccumulation and acute toxicity of As(III) and As(V) in Nile tilapia (Oreochromis niloticus). CHEMOSPHERE 2019; 217:349-354. [PMID: 30419388 DOI: 10.1016/j.chemosphere.2018.11.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 10/23/2018] [Accepted: 11/02/2018] [Indexed: 06/09/2023]
Abstract
The distribution of arsenic in the different tissues of tilapia fish is determined by the exposure time and the depuration rate. The mechanisms of toxicity/carcinogenicity depend on the arsenic species involved in the biotransformation processes. After a 7-day exposure period, the accumulation of inorganic arsenic (iAs) in the tilapia tissues studied was in the order: liver > stomach > gills > muscles. In bioaccumulation assays, the values of the organ uptake constant (ka) ranged from 0.06 to 0.51 mL g-1 d-1, while the depuration rate constant (kd) values were in the range 0.03-1.15 d-1. Higher iAs bioaccumulation factor (BCF) values were observed for the stomach (3.1 mL g-1) and the liver (1.6 mL g-1), reflecting their high capacity to accumulate iAs species. These organs act as long-term storage sites for iAs, following chronic exposure. The LC50 values were determined considering the average iAs concentration and the cumulative fish mortality. For As(III), the LC50 values indicated fish mortality at concentrations above 30 mg L-1. The fish showed greater tolerance to exposure to As(V), compared to As(III), with fish mortality after the second day of exposure requiring an As(V) concentration 7-fold higher than As(III).
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Affiliation(s)
- Nathalia S Ferreira
- São Paulo State University (UNESP), National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Department of Chemistry and Environmental Science, 15054-000, São José do Rio Preto, SP, Brazil
| | - Luciano H B Oliveira
- São Paulo State University (UNESP), National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Department of Chemistry and Environmental Science, 15054-000, São José do Rio Preto, SP, Brazil
| | - Vitor Agrelli
- São Paulo State University (UNESP), National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Department of Chemistry and Environmental Science, 15054-000, São José do Rio Preto, SP, Brazil
| | - Aline F de Oliveira
- Group for Applied Instrumental Analysis, Department of Chemistry, Federal University of São Carlos, 13565-905, São Carlos, SP, Brazil; Embrapa Pecuária Sudeste - EMBRAPA, 13560-970, São Carlos, SP, Brazil
| | - Ana R A Nogueira
- Embrapa Pecuária Sudeste - EMBRAPA, 13560-970, São Carlos, SP, Brazil
| | - Andrea Oliveira
- Federal University of Paraná, Chemistry Department, 81531-980, Curitiba, PR, Brazil.
| | - Mario H Gonzalez
- São Paulo State University (UNESP), National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Department of Chemistry and Environmental Science, 15054-000, São José do Rio Preto, SP, Brazil
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56
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Alsherbiny MA, Abd-Elsalam WH, El Badawy SA, Taher E, Fares M, Torres A, Chang D, Li CG. Ameliorative and protective effects of ginger and its main constituents against natural, chemical and radiation-induced toxicities: A comprehensive review. Food Chem Toxicol 2019; 123:72-97. [PMID: 30352300 DOI: 10.1016/j.fct.2018.10.048] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 10/17/2018] [Accepted: 10/19/2018] [Indexed: 12/15/2022]
Abstract
Fatal unintentional poisoning is widespread upon human exposure to toxic agents such as pesticides, heavy metals, environmental pollutants, bacterial and fungal toxins or even some medications and cosmetic products. In this regards, the application of the natural dietary agents as antidotes has engrossed a substantial attention. One of the ancient known traditional medicines and spices with an arsenal of metabolites of several reported health benefits is ginger. This extended literature review serves to demonstrate the protective effects and mechanisms of ginger and its phytochemicals against natural, chemical and radiation-induced toxicities. Collected data obtained from the in-vivo and in-vitro experimental studies in this overview detail the designation of the protective effects to ginger's antioxidant, anti-inflammatory, and anti-apoptotic properties. Ginger's armoury of phytochemicals exerted its protective function via different mechanisms and cell signalling pathways, including Nrf2/ARE, MAPK, NF-ƙB, Wnt/β-catenin, TGF-β1/Smad3, and ERK/CREB. The outcomes of this review could encourage further clinical trials of ginger applications in radiotherapy and chemotherapy regime for cancer treatments or its implementation to counteract the chemical toxicity induced by industrial pollutants, alcohol, smoking or administered drugs.
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Affiliation(s)
- Muhammad A Alsherbiny
- NICM Health Research Institute, Western Sydney University, Westmead, 2145, NSW, Australia; Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt.
| | - Wessam H Abd-Elsalam
- Department of Pharmaceutics, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt
| | - Shymaa A El Badawy
- Department of Pharmacology Department, Faculty of Veterinary Medicine, Cairo University, Giza, 12613, Egypt
| | - Ehab Taher
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Al-Azhar University (Assiut Branch), Egypt
| | - Mohamed Fares
- School of Chemistry, University of Wollongong, Wollongong, 2522, NSW, Australia
| | - Allan Torres
- Nanoscale Organisation and Dynamics Group, School of Science and Health, Western Sydney University, Penrith, NSW, 2751, Australia
| | - Dennis Chang
- NICM Health Research Institute, Western Sydney University, Westmead, 2145, NSW, Australia
| | - Chun Guang Li
- NICM Health Research Institute, Western Sydney University, Westmead, 2145, NSW, Australia.
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57
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Maynar M, Llerena F, Bartolomé I, Alves J, Grijota FJ, Robles MC, Muñoz D. Influence of an exercise until exhaustion in serum and urinary concentrations of toxic minerals among professional athletes, a preliminary approach. J Trace Elem Med Biol 2018; 50:312-319. [PMID: 30262297 DOI: 10.1016/j.jtemb.2018.07.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 07/21/2018] [Accepted: 07/23/2018] [Indexed: 01/09/2023]
Abstract
The aim of the present survey was to determine differences in the serum and urinary concentrations of several toxic trace elements (As, Be, Cd, Cs and Pb) between long distance runners and non-sportsmen living in the same area of Extremadura (Spain) in basal conditions as well as after the performance of a maximal effort test until exhaustion. 21 Spanish national long-distance runners were recruited before the start of their training season and 26 untrained students. All of them had similar ages. The effort test consisted in running on a treadmill incrementally in stages, until exhaustion. Serum and urine analysis of trace metals was performed by inductively coupled plasma mass spectrometry (ICP-MS). In the statistics the urine and blood basal concentrations was analyzed first using Student t test. Then the differences between the pre and post-test values were analyzed using Wilcoxon test. The serum concentrations of Be (p < 0.001), Cd (p < 0.01), Cs (p < 0.001) and Pb (p < 0.001) were higher in the athletes than the control groups in basal conditions. In relation to the exercise, the results showed that there were lower serum concentrations of Be, Cd and Pb after the test, but without statistically significance, in both groups. Cs (p < 0.001) concentrations were statistically lower after the exercise tests in both groups, but if the parameters were corrected in relation to hematocrit and hemoglobin concentrations the differences were significant only among the athletes. In urine, the concentrations of Be (p < 0.001) and Cd (p < 0.01) were higher among athletes than among controls, being the opposite case for urinary Pb values. In relation to the exercise-induced effect of the test, the results showed that among controls only Cd values were modified, but if creatinine corrections are applied this difference does not reach statistical significance. However, sportsmen suffered a diminution in Be values, that can be observed only if urine values are corrected. Also, an increase in Cd, both in corrected and normal values, was observed, fact that occurred also in the case of Cs, but only if urinary values are corrected. It can be concluded that an incremental exercise to exhaustion among elite athletes of long distance modalities can produce changes in serum and urinary concentrations of toxic trace elements which may reflect an adaptive mechanism to prevent toxicity, and which could be an interesting outcome for physicians in the treatment and prevention of toxic situations.
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Affiliation(s)
- M Maynar
- Department of Physiology, School of Sport Sciences, University of Extremadura, Spain.
| | - F Llerena
- Department of Medical-Surgical Therapeutics, School of Medicine, University of Extremadura, Spain
| | - I Bartolomé
- Department of Physiology, School of Sport Sciences, University of Extremadura, Spain
| | - J Alves
- Department of Physiology, School of Sport Sciences, University of Extremadura, Spain
| | - F J Grijota
- Department of Didactics of Musical, Plastic and Corporal Expression, School of Teacher Training, University of Extremadura, Spain
| | - M C Robles
- Department of Physical Education and Sport, Sport Sciences Faculty, University of Extremadura, Cáceres, Spain
| | - D Muñoz
- Department of Physical Education and Sport, Sport Sciences Faculty, University of Extremadura, Cáceres, Spain
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58
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Vromman D, Martínez JP, Kumar M, Šlejkovec Z, Lutts S. Comparative effects of arsenite (As(III)) and arsenate (As(V)) on whole plants and cell lines of the arsenic-resistant halophyte plant species Atriplex atacamensis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:34473-34486. [PMID: 30311113 DOI: 10.1007/s11356-018-3351-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Accepted: 09/26/2018] [Indexed: 06/08/2023]
Abstract
Whole plants and hypocotyl-derived calli of the halophyte plant species Atriplex atacamensis were exposed to 50 μM arsenate (As(V)) or 50 μM arsenite (As(III)). At the whole plant level, As(III) was more toxic than As(V): it reduced plant growth, stomatal conductance, photosystem II efficiency while As(V) did not. In roots, As accumulated to higher level in response to As(III) than in response to As(V). Within root tissues, both arsenate and arsenite were identified in response to each treatment suggesting that oxidation of As(III) may occur. More than 40% of As was bound to the cell wall in the roots of As(V)-treated plants while this proportion strongly decreased in As(III)-treated ones. In leaves, total As and the proportion of As bound to the cell wall were similar in response to As(V) and As(III). Non-protein thiol increased to higher extent in response to As(V) than in response to As(III) while ethylene synthesis was increased in As(III)-treated plants only. Polyamine profile was modified in a contrasting way in response to As(V) and As(III). At the callus level, As(V) and As(III) 50 μM did not reduce growth despite an important As accumulation within tissues. Calli exposed to 50 μM As did not increase the endogenous non-protein thiol. In contrast to the whole plants, arsenite was not more toxic than arsenate at the cell line level and As(V)-treated calli produced higher amounts of ethylene and malondialdehyde. A very high dose of As(V) (1000 μM) strongly reduced callus growth and lead to non-protein thiols accumulation. It is concluded that As(III) was more toxic than As(V) at the plant level but not at the cellular level and that differential toxicity was not fully explained by speciation of accumulated As. Arsenic resistance in A. atacamensis exhibited a cellular component which however did not reflect the behavior of whole plant when exposed to As(V) or As(III).
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Affiliation(s)
- Delphine Vromman
- Groupe de Recherche en Physiologie végétale-Earth and Life Institute-Agronomy (ELI-A), Université catholique de Louvain, 5 (Bte 7.07.13) Place Croix du Sud, 1348, Louvain-la-Neuve, Belgium
| | - Juan-Pablo Martínez
- Instituto de Investigaciones Agropecuarias, INIA-La Cruz, La Cruz, Region de Valparaiso, Chile
| | | | | | - Stanley Lutts
- Groupe de Recherche en Physiologie végétale-Earth and Life Institute-Agronomy (ELI-A), Université catholique de Louvain, 5 (Bte 7.07.13) Place Croix du Sud, 1348, Louvain-la-Neuve, Belgium.
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59
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Guo LX, Zhang GW, Li QQ, Xu XM, Wang JH. Novel Arsenic Markers for Discriminating Wild and Cultivated Cordyceps. Molecules 2018; 23:molecules23112804. [PMID: 30380635 PMCID: PMC6278644 DOI: 10.3390/molecules23112804] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 10/24/2018] [Accepted: 10/27/2018] [Indexed: 12/26/2022] Open
Abstract
Ophiocordyceps sinensis has been utilized in China and adjacent countries for thousands of years as a rare functional food to promote health and treat diverse chronic diseases. In recent years, adulterants are usually identified in the processed products of wild O. sinensis. However, the effective adulteration examination has to be additionally performed except their routine test, and accordingly is time- and money-consuming. Recently, arsenic determination has become a necessary test for confirming whether the concentrations of inorganic arsenic are over the O. sinensis limit. In this work, the contents of total arsenic and As species in cultivated O. sinensis, Cordyceps militaris, and other edible fungi were determined by ICP-MS and HPLC-ICP-MS. The results suggest that the As speciation exhibits a species-specific behavior, and accompanies the effect of the As background. The proportions of unknown organic As and contents of total As may be considered as sensitive markers for discriminating wild O. sinensis. This result provides a novel clue for discriminating wild and artificially cultivated mushrooms/their products, with emphasis on arsenic markers for authenticating wild O. sinensis.
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Affiliation(s)
- Lian-Xian Guo
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, China.
| | - Gui-Wei Zhang
- Shenzhen Academy of Metrology and Quality Inspection, Shenzhen 518000, China.
| | - Qing-Qing Li
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, China.
| | - Xiao-Ming Xu
- Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China.
| | - Jiang-Hai Wang
- Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China.
- South China Sea Bioresource Exploitation and Utilization Collaborative Innovation Center, School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China.
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60
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Contemporary trends in toxicological research on arsenic. Arch Toxicol 2018; 92:3251-3253. [PMID: 30244273 DOI: 10.1007/s00204-018-2311-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 09/13/2018] [Indexed: 12/27/2022]
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61
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Shao Y, Zhao H, Wang Y, Liu J, Li J, Luo L, Xing M. The apoptosis in arsenic-induced oxidative stress is associated with autophagy in the testis tissues of chicken. Poult Sci 2018; 97:3248-3257. [DOI: 10.3382/ps/pey156] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Accepted: 03/28/2018] [Indexed: 01/06/2023] Open
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62
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Bio-adsorption and Bio-transformation of Arsenic by Acidithiobacillus ferrooxidans BY3. Int Microbiol 2018; 21:207-214. [DOI: 10.1007/s10123-018-0017-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 06/29/2018] [Accepted: 06/29/2018] [Indexed: 10/28/2022]
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63
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Dou X, Wang GC, Zhu M, Liu F, Li W, Mohan D, Pittman CU. Identification of Fe and Zr oxide phases in an iron-zirconium binary oxide and arsenate complexes adsorbed onto their surfaces. JOURNAL OF HAZARDOUS MATERIALS 2018; 353:340-347. [PMID: 29680692 DOI: 10.1016/j.jhazmat.2018.04.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 04/01/2018] [Accepted: 04/02/2018] [Indexed: 06/08/2023]
Abstract
The Fe-Zr binary oxide adsorbents have higher arsenic adsorptive capacities than either iron oxide or zirconium oxide alone, indicating a strong synergistic effect exists between Fe and Zr oxides. However, no generally accepted in-depth explanations have been reached on the origin of this better performance. In the present study, the component phases, the active surface sites, the structure of the adsorbed As(V) surface species, and the mechanism of the synergistic effect, were investigated and elucidated using multiple advanced experimental techniques combined with quantum chemical calculations. Goethite and lepidocrocite were identified as the main Fe oxide components while amorphous zirconium hydroxide was the main Zr oxide component, respectively. A monodentate-mononuclear complex and a bidentate-binuclear complex were revealed to be dominant on the surface, respectively, when at lower and higher initial As(V) concentrations. Density functional theory calculations indicated that As(V) preferred to bind with Zr-OH rather than Fe-OH. This was verified with the As K-edge EXAFS results and XPS observations. The synergistic effect was due to a short-range ordering state, the enlarged contents of amorphous and poorly-crystalline fractions, and increased hydroxyl surface site density. These results lead to the realization that the above properties are preferred in future adsorbent preparations.
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Affiliation(s)
- Xiaomin Dou
- College of Environmental Science and Engineering, Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, PR China.
| | - Gui-Chang Wang
- College of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education) and Tianjin key Lab and Molecule-based Material Chemistry, Synergetic Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, PR China.
| | - Mengqiang Zhu
- Department of Ecosystem Science and Management, University of Wyoming, Laramie, WY 82071, USA
| | - Fudong Liu
- Lawrence Berkeley National Laboratory, Materials Sciences Division, Berkeley, CA, USA
| | - Wei Li
- Key Laboratory of Surficial Geochemistry, Ministry of Education, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, PR China
| | - Dinesh Mohan
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Charles U Pittman
- Department of Chemistry, Mississippi State University, Mississippi State, MS 39762, USA
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64
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Strawn DG. Review of interactions between phosphorus and arsenic in soils from four case studies. GEOCHEMICAL TRANSACTIONS 2018; 19:10. [PMID: 29611006 PMCID: PMC5880798 DOI: 10.1186/s12932-018-0055-6] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 03/15/2018] [Indexed: 05/13/2023]
Abstract
Arsenic is a non-essential element that poses risks in many environments, including soil, groundwater, and surface water. Insights into the environmental biogeochemistry of As can be gained by comparing As and P reaction processes. Arsenic and P are chemical analogues, and it is proposed that they have similar chemical behaviors in environmental systems. However some chemical properties of As and P are distinct, such as redox reactions, causing the biogeochemical behavior of the two elements to differ. In the environment, As occurs as either As(V) or As(III) oxyanions (e.g., AsO43- or AsO33-). In contrast, P occurs predominantly as oxidation state five plus; most commonly as the orthophosphate ion (PO43-). In this paper, data from four published case studies are presented with a focus on P and As distribution and speciation in soil. The goal is show how analyzing P chemistry in soils can provide greater insights into As reaction processes in soils. The case studies discussed include: (1) soil developed from shale parent material, (2) mine-waste impacted wetland soils, (3) phosphate-amended contaminated soil, and (4) plants grown in biochar-amended, mine-contaminated soil. Data show that while P and As have competitive reactions in soils, in most natural systems they have distinct biogeochemical processes that create differing mobility and bioavailability. These processes include redox reactions and rhizosphere processes that affect As bioavailability. Results from these case studies are used as examples to illustrate how studying P and As together allows for enhanced interpretation of As biogeochemical processes in soils.
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Affiliation(s)
- Daniel G Strawn
- Department of Soil and Water Systems, University of Idaho, Moscow, ID, 83844-2340, USA.
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65
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Zou L, Zhang S, Duan D, Liang X, Shi J, Xu J, Tang X. Effects of ferrous sulfate amendment and water management on rice growth and metal(loid) accumulation in arsenic and lead co-contaminated soil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:8888-8902. [PMID: 29330821 DOI: 10.1007/s11356-017-1175-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 12/27/2017] [Indexed: 06/07/2023]
Abstract
Arsenic (As) and lead (Pb) commonly co-exist with high concentrations in paddy soil mainly due to human activities in south of China. This study investigates the effect of ferrous sulfate (FeSO4) amendment and water management on rice growth and arsenic (As) and lead (Pb) accumulation in rice plants. A paddy soil co-contaminated with As and Pb was chosen for the pot experiment with three FeSO4 levels (0, 0.25, and 1%, on a dry weight basis) and two water managements (flooded, non-flooded). The concentrations of As and Pb in iron plaques and rice plants were determined. Application of FeSO4 and non-flooded conditions significantly accelerated the growth of rice plants. With the addition of FeSO4, iron plaques were significantly promoted and most of the As and Pb were sequestered in the iron plaques. The addition of 0.25% FeSO4 and non-flooded conditions did not significantly change the accumulation of As and Pb in rice grains. The practice also significantly decreased the translocation factor (TF) of As and Pb from roots to above-ground parts which might have been aided by the reduction of As and Pb availability in soil, the preventing effect of rice roots, and the formation of more reduced glutathione (GSH). Flooded conditions decreased the Pb concentration in rice plants, but increased As accumulation. Moreover, rice grew thin and weak and even died under flooded conditions. Overall, an appropriate FeSO4 dose and non-flooded conditions might be feasible for rice cultivation, especially addressing the As issue in the co-contaminated soil. However, further detailed studies to decrease the accumulation of Pb in edible parts and the field application in As and Pb co-contaminated soil are recommended.
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Affiliation(s)
- Lina Zou
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang, 310058, People's Republic of China
| | - Shu Zhang
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Dechao Duan
- Bestwa Environmental Protection Sci-Tech Co. Ltd., Hangzhou, 310015, China
| | - Xinqiang Liang
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Jiyan Shi
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Jianming Xu
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang, 310058, People's Republic of China
| | - Xianjin Tang
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang, 310058, People's Republic of China.
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Shehzad K, Xie C, He J, Cai X, Xu W, Liu J. Facile synthesis of novel calcined magnetic orange peel composites for efficient removal of arsenite through simultaneous oxidation and adsorption. J Colloid Interface Sci 2018; 511:155-164. [DOI: 10.1016/j.jcis.2017.09.110] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Revised: 09/28/2017] [Accepted: 09/29/2017] [Indexed: 10/18/2022]
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Jiang T, Kaal J, Liang J, Zhang Y, Wei S, Wang D, Green NW. Composition of dissolved organic matter (DOM) from periodically submerged soils in the Three Gorges Reservoir areas as determined by elemental and optical analysis, infrared spectroscopy, pyrolysis-GC-MS and thermally assisted hydrolysis and methylation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017. [PMID: 28641186 DOI: 10.1016/j.scitotenv.2017.06.114] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
Abstract
Soil-derived dissolved organic matter (DOM) has a major influence in biogeochemical processes related to contaminant dynamics and greenhouse gas emissions, due to its reactivity and its bridging role between the soil and aquatic systems. Within the Three Gorges Reservoir (TGR, China) area, an extensive water-fluctuation zone periodically submerges the surrounding soils. Here we report a characterization study of soil-derived DOM across the TGR areas, using elemental and optical analysis, infrared spectroscopy (FTIR), pyrolysis-GC-MS (Py-GC-MS) and thermally assisted hydrolysis and methylation (THM-GC-MS). The results showed that the soil DOM from the TGR area is a mixture of "allochthonous" (i.e., plant-derived/terrigenous) and "autochthonous" (i.e., microbial) origins. The terrigenous DOM is composed primarily of phenolic and aliphatic structures from lignin and aliphatic biopolymers (i.e. cutin, suberin), respectively. Multivariate statistics differentiated between two fractions of the microbial DOM, i.e. chitin-derived, perhaps from fungi and arthropods in soil, and protein-derived, partially sourced from algal or aquatic organisms. Molecular proxies of source and degradation state were in good agreement with optical parameters such as SUVA254, the fluorescence index (FI) and the humification index (HIX). The combined use of elemental analysis, fluorescence spectroscopy, and Py-GC-MS provides rigorous and detailed DOM characterization, whereas THM-GC-MS is useful for more precise but qualitative identification of the different phenolic (cinnamyl, p-hydroxyphenyl, guaiacyl, syringyl and tannin-derived) and aliphatic materials. With the multi-methodological approach used in this study, FTIR was the least informative, in part, because of the interference of inorganic matter in the soil DOM samples. The soil DOM from the TGR's water fluctuation zone exhibited considerable compositional diversity, mainly related to the balance between DOM source (microbial- or plant-derived), local vegetation and anthropogenic activities (e.g., agriculture). Finally, the relationship between DOM composition and its potential reactivity with substances of environmental concerns in the TGR area are also discussed.
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Affiliation(s)
- Tao Jiang
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing Key Laboratory of Agricultural Resources and Environment, College of Resources and Environment, Southwest University, Chongqing 400716, China; Department of Forest Ecology and Management, Swedish University of Agricultural Sciences, Umeå SE-90183, Sweden.
| | - Joeri Kaal
- Ciencia do Sistema Terra, Departamento de Edafoloxía e Química Agrícola, Universidade de Santiago de Compostela, Campus Sur s/n, Santiago de Compostela 15782, Spain; Instituto de Ciencias del Patrimonio (Incipit), Consejo Superior de Investigaciones Científicas (CSIC), Avda. de Vigo sn, 15705 Santiago de Compostela, Spain
| | - Jian Liang
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing Key Laboratory of Agricultural Resources and Environment, College of Resources and Environment, Southwest University, Chongqing 400716, China
| | - Yaoling Zhang
- Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China
| | - Shiqiang Wei
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing Key Laboratory of Agricultural Resources and Environment, College of Resources and Environment, Southwest University, Chongqing 400716, China
| | - Dingyong Wang
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing Key Laboratory of Agricultural Resources and Environment, College of Resources and Environment, Southwest University, Chongqing 400716, China
| | - Nelson W Green
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, United States
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Singh S, Sounderajan S, Kumar K, Fulzele DP. Investigation of arsenic accumulation and biochemical response of in vitro developed Vetiveria zizanoides plants. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 145:50-56. [PMID: 28704693 DOI: 10.1016/j.ecoenv.2017.07.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 07/03/2017] [Accepted: 07/05/2017] [Indexed: 05/04/2023]
Abstract
Vetiver grass (Vetiveria zizanoides L. Nash) is found to be a suitable candidate for the phytoremediation of heavy metals. An investigation of arsenic (As) accumulation, translocation and tolerance was conducted in V. zizanoides plantlets upon exposure to different concentrations of arsenic (10, 50, 100 and 200µM) for 7 and 14 d. V. zizanoides plants were found effective in remediation of As, maximum being at 200µM after 14 d of exposure. The results of TBARS and photosynthetic pigments demonstrated that plants did not experience significant toxicity at all the concentrations of As after 7 days, however an increase in their level was found after 14 d. The up-regulation of antioxidant enzyme activities of superoxide dismutase (SOD), ascorbate peroxidase (APX), guaiacol peroxidase (GPX), catalase (CAT) and glutathione s-transferase (GST) in a coordinated and complementary manner enhanced tolerance to plants against arsenic induced oxidative stress. Taken together, the results indicated that in vitro developed plants of V. zizanoides have the potential to remediate and tolerate varying levels of As.
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Affiliation(s)
- Shraddha Singh
- Plant Biotechnology and Secondary Metabolites Section, Nuclear Agriculture and Biotechnology Division, India.
| | - Suvarna Sounderajan
- Analytical Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Kiran Kumar
- Analytical Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - D P Fulzele
- Plant Biotechnology and Secondary Metabolites Section, Nuclear Agriculture and Biotechnology Division, India
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Zhang Z, Moon HS, Myneni SCB, Jaffé PR. Phosphate enhanced abiotic and biotic arsenic mobilization in the wetland rhizosphere. CHEMOSPHERE 2017; 187:130-139. [PMID: 28846968 DOI: 10.1016/j.chemosphere.2017.08.096] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 08/09/2017] [Accepted: 08/18/2017] [Indexed: 05/26/2023]
Abstract
Although abiotic process of competitive sorption between phosphate (P) and arsenate (As(V)), especially onto iron oxides, are well understood, P-mediated biotic processes of Fe and As redox transformation contributing to As mobilization and speciation in wetlands remain poorly defined. To gain new insights into the effects of P on As mobility, speciation, and bioavailability in wetlands, well-controlled greenhouse experiments were conducted. As expected, increased P levels contributed to more As desorption, but more interestingly the interactions between P and wetland plants played a synergistic role in the microbially-mediated As mobilization and enhanced As uptake by plants. High levels of P promoted plant growth and the exudation of labile organic carbon from roots, enhancing the growth of heterotrophic bacteria, including As and Fe reducers. This in turn resulted in both, more As desorption into solution due to reductive iron dissolution, and a higher fraction of the dissolved As in the form of As(III) due to the higher number of As(V) reducers. Consistent with the dissolved As results, arsenic-XANES spectra from solid medium samples demonstrated that more As was sequestered in the rhizosphere as As(III) in the presence of high P levels than for low P levels. Hence, increased P loading to wetlands stimulates both abiotic and biotic processes in the wetland rhizosphere, resulting in more As mobilization, more As reduction, as well as more As uptake by plants. These interactions are important to be taken into account in As fate and transport models in wetlands and management of wetlands containing As.
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Affiliation(s)
- Zheyun Zhang
- Department of Civil and Environmental Engineering, Princeton University, Princeton, 08540, USA; Joint Genome Institute, Department of Energy, 2800 Mitchell Drive, Walnut Creek, CA, 94598, United States; Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, United States
| | - Hee Sun Moon
- Groundwater and Ecohydrology Research Center, Geologic Environment Division, Korean Institute of Geoscience and Mineral Resources, Deajeon, 34132, South Korea.
| | - Satish C B Myneni
- Department of Geosciences, Princeton University, Princeton, 08540, USA
| | - Peter R Jaffé
- Department of Civil and Environmental Engineering, Princeton University, Princeton, 08540, USA.
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Wang X, Geng A, Dong Y, Fu C, Li H, Zhao Y, Li QX, Wang F. Comparison of Translocation and Transformation from Soil to Rice and Metabolism in Rats for Four Arsenic Species. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:8992-8998. [PMID: 28862447 DOI: 10.1021/acs.jafc.7b01779] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Arsenic (As) is ubiquitously present in the environment. The toxicity of As is related to its forms. This study was designed to compare the translocation and transformation of four As species from soil to rice, and metabolism in rats for four arsenic species. A set of 26550 data was obtained from pot experiments of rice plants grown in soil fortified with four As species, and 4050 data were obtained from rat experiments in which 81 rats were administered with the four As species. The total As in grain from the methyl arsenate fortified soil was 6.1, 4.9, and 5.2 times that from As(III), As(V), and dimethyl arsenate fortified soil, respectively. The total As in husk was 1.2-7.8 times greater than that in grain. After oral administration of each As species to rats, 83-96% was accumulatively excreted via feces and urine, while 0.1-16% was detected in blood. The translocation, transformation, and metabolism of different forms of arsenic vary greatly.
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Affiliation(s)
- Xu Wang
- Public Monitoring Center for Agro-Product, Guangdong Academy of Agricultural Sciences , Guangzhou 510640, China
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa , Honolulu, Hawaii 96822, United States
- Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality, Ministry of Agriculture , Guangzhou 510640, China
| | - Anjing Geng
- Public Monitoring Center for Agro-Product, Guangdong Academy of Agricultural Sciences , Guangzhou 510640, China
- Research Center for Trace Elements (Guangzhou) of Huazhong Agricultural University, Guangdong Academy of Agricultural Sciences , Guangzhou 510640, China
| | - Yan Dong
- Department of Immunology, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine , Guangzhou 510405, China
| | - Chongyun Fu
- Rice Research Institute, Guangdong Academy of Agricultural Sciences , Guangzhou 510640, China
| | - Hanmin Li
- Research Center for Trace Elements (Guangzhou) of Huazhong Agricultural University, Guangdong Academy of Agricultural Sciences , Guangzhou 510640, China
| | - Yarong Zhao
- Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality, Ministry of Agriculture , Guangzhou 510640, China
| | - Qing X Li
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa , Honolulu, Hawaii 96822, United States
| | - Fuhua Wang
- Public Monitoring Center for Agro-Product, Guangdong Academy of Agricultural Sciences , Guangzhou 510640, China
- Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality, Ministry of Agriculture , Guangzhou 510640, China
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Tenni D, Martin M, Barberis E, Beone GM, Miniotti E, Sodano M, Zanzo E, Fontanella MC, Romani M. Total As and As Speciation in Italian Rice as Related to Producing Areas and Paddy Soils Properties. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:3443-3452. [PMID: 28391688 DOI: 10.1021/acs.jafc.7b00694] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Rice and rice-based foodstuffs are important pathways for inorganic As dietary intake. This work shows a detailed picture of As content and speciation in Italian rice, which contributes to more than one-half of the European production, and addresses the role of soil chemistry and agronomic management on As concentration in rice grain, in view of ameliorative strategies. The mean total As content in Italian white rice was 155 ± 65 μg kg-1 with significant differences among producing areas, while the mean inorganic As was 102 ± 26 μg kg-1, largely below the E.U. limit of 200 μg kg-1 for white rice, although part of the production would not be suitable for baby food production, which requires less than 100 μg kg-1 of inorganic As. The differences in As content and speciation in rice among the studied areas resulted from the complex interactions of soil, plant, and anthropic factors. Among others, Si nutrition seemed to play a key role in regulating As transfer from soil to plant.
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Affiliation(s)
- Daniele Tenni
- Ente Nazionale Risi, Centro Ricerche sul Riso , Strada per Ceretto, 4, 27030 Castello d'Agogna (PV), Italy
| | - Maria Martin
- Department of Agricultural, Forest and Food Sciences (D.I.S.A.F.A.), University of Torino , Largo Braccini, 2, 10095 Grugliasco, Torino, Italy
| | - Elisabetta Barberis
- Department of Agricultural, Forest and Food Sciences (D.I.S.A.F.A.), University of Torino , Largo Braccini, 2, 10095 Grugliasco, Torino, Italy
| | - Gian Maria Beone
- Institute of Agricultural and Environmental Chemistry, Università Cattolica del Sacro Cuore , Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Eleonora Miniotti
- Ente Nazionale Risi, Centro Ricerche sul Riso , Strada per Ceretto, 4, 27030 Castello d'Agogna (PV), Italy
- Department of Agricultural, Forest and Food Sciences (D.I.S.A.F.A.), University of Torino , Largo Braccini, 2, 10095 Grugliasco, Torino, Italy
| | - Marcella Sodano
- Department of Agricultural, Forest and Food Sciences (D.I.S.A.F.A.), University of Torino , Largo Braccini, 2, 10095 Grugliasco, Torino, Italy
| | - Elena Zanzo
- Department of Agricultural, Forest and Food Sciences (D.I.S.A.F.A.), University of Torino , Largo Braccini, 2, 10095 Grugliasco, Torino, Italy
| | - Maria Chiara Fontanella
- Institute of Agricultural and Environmental Chemistry, Università Cattolica del Sacro Cuore , Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Marco Romani
- Ente Nazionale Risi, Centro Ricerche sul Riso , Strada per Ceretto, 4, 27030 Castello d'Agogna (PV), Italy
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Shi GL, Lou LQ, Li DJ, Hu ZB, Cai QS. Phytochelatins play key roles for the difference in root arsenic accumulation of different Triticum aestivum cultivars in comparison with arsenate uptake kinetics and reduction. CHEMOSPHERE 2017; 175:192-199. [PMID: 28222373 DOI: 10.1016/j.chemosphere.2017.02.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Revised: 01/24/2017] [Accepted: 02/03/2017] [Indexed: 06/06/2023]
Abstract
In the previous studies, we have found that arsenic (As) accumulation in roots of bread wheat (Triticum aestivum L.) seedlings were significantly different among different wheat cultivars, and As(V) tolerant wheat cultivars have much higher capacities of root As accumulation. However, the reason for the difference remains unclear. Four wheat cultivars with high (MM45 and FM8) or low (QF1 and HM29) levels of arsenic (As) accumulation were selected to investigate the relationship between root As(V) uptake kinetics and root As accumulation. MM45 and HM29 were also used to examine As(V) reduction ability and non-protein thiol (cysteine [Cys], glutathione [GSH], and phytochelatins [PCs]) concentrations in wheat seedlings. MM45 had the lowest Michaelis-Menten constant (Km) and maximum influx rate (Vmax). No difference in the Km values was found among the three other cultivars. No difference in As(V) reduction capacity was observed between MM45 and HM29. GSH and PC2 were significantly induced by 10 μM As(V) in roots of wheat seedlings, particularly in MM45. Synthesis of GSH and PCs was completely suppressed in the presence of l-buthionine sulfoximine (BSO), a specific inhibitor of γ-glutamylcysteine synthetase. BSO markedly decreased the As tolerance of wheat seedlings and decreased the accumulation of As in roots, but increased As accumulation in shoots. No significant difference in As concentrations was found between MM45 and HM29 under the BSO treatment. GSH and PCs are the reason why As accumulation and As(V) tolerance differ in roots of different wheat cultivars.
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Affiliation(s)
- Gao Ling Shi
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, PR China; Provincial Key Laboratory of Agrobiology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
| | - Lai Qing Lou
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, PR China.
| | - Dao Jun Li
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Zhu Bing Hu
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Qing Sheng Cai
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, PR China.
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Vromman D, Martínez JP, Lutts S. Phosphorus deficiency modifies As translocation in the halophyte plant species Atriplex atacamensis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 139:344-351. [PMID: 28187398 DOI: 10.1016/j.ecoenv.2017.01.049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 01/25/2017] [Accepted: 01/27/2017] [Indexed: 06/06/2023]
Abstract
Most arsenic in surface soil and water exists primarily in its oxidized form, as arsenate (As(V); AsO43-), which is an analog of phosphate (PO43-). Arsenate can be taken up by phosphate transporters. Atriplex atacamensis Phil. is native to northern Chile (Atacama Desert), and this species can cope with high As concentrations and low P availability in its natural environment. To determine the impact of P on As accumulation and tolerance in A. atacamensis, the plants were cultivated in a hydroponic system under four treatments: no As(V) addition with 323µM phosphate (control); 1000µM As(V) addition with 323µM phosphate; no As(V) and no phosphate; 1000µM As(V) addition and no phosphate. Phosphate starvation decreased shoot fresh weight, while As(V) addition reduced stem and root fresh weights. Arsenate addition decreased the P concentrations in both roots and leaves, but to a lesser extent than for P starvation. Phosphorus starvation increased the As concentrations in roots, but decreased it in shoots, which suggests that P deficiency reduced As translocation from roots to shoots. Arsenate addition increased total glutathione, but P deficiency decreased oxidized and reduced glutathione in As(V)-treated plants. Arsenate also induced an increase in S accumulation and nonprotein thiol and ethylene synthesis, and a decrease in K concentrations, effects that were similar for the P-supplied and P-starved plants. In contrast, in As(V)-treated plants, P starvation dramatically decreased total soluble protein content and increased lipid peroxidation, compared to plants supplied with P. Phosphorus nutrition thus appears to be an important component of A. atacamensis response to As toxicity.
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Affiliation(s)
- Delphine Vromman
- Groupe de Recherche en Physiologie Végétale, Earth and Life Institute - Agronomy (ELI-A), Université Catholique de Louvain, 5 (Bte 7.07.13) Place Croix du Sud, 1348 Louvain-la-Neuve, Belgium
| | - Juan-Pablo Martínez
- Instituto de Investigaciones Agropecuarias (INIA - La Cruz), Chorillos no. 86, La Cruz, Chile
| | - Stanley Lutts
- Groupe de Recherche en Physiologie Végétale, Earth and Life Institute - Agronomy (ELI-A), Université Catholique de Louvain, 5 (Bte 7.07.13) Place Croix du Sud, 1348 Louvain-la-Neuve, Belgium.
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Use of Endophytic and Rhizosphere Bacteria To Improve Phytoremediation of Arsenic-Contaminated Industrial Soils by Autochthonous Betula celtiberica. Appl Environ Microbiol 2017; 83:AEM.03411-16. [PMID: 28188207 DOI: 10.1128/aem.03411-16] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 02/06/2017] [Indexed: 11/20/2022] Open
Abstract
The aim of this study was to investigate the potential of indigenous arsenic-tolerant bacteria to enhance arsenic phytoremediation by the autochthonous pseudometallophyte Betula celtiberica The first goal was to perform an initial analysis of the entire rhizosphere and endophytic bacterial communities of the above-named accumulator plant, including the cultivable bacterial species. B. celtiberica's microbiome was dominated by taxa related to Flavobacteriales, Burkholderiales, and Pseudomonadales, especially the Pseudomonas and Flavobacterium genera. A total of 54 cultivable rhizobacteria and 41 root endophytes, mainly affiliated with the phyla Proteobacteria, Bacteroidetes, Firmicutes, and Actinobacteria, were isolated and characterized with respect to several potentially useful features for metal plant accumulation, such as the ability to promote plant growth, metal chelation, and/or mitigation of heavy-metal stress. Seven bacterial isolates were further selected and tested for in vitro accumulation of arsenic in plants; four of them were finally assayed in field-scale bioaugmentation experiments. The exposure to arsenic in vitro caused an increase in the total nonprotein thiol compound content in roots, suggesting a detoxification mechanism through phytochelatin complexation. In the contaminated field, the siderophore and indole-3-acetic acid producers of the endophytic bacterial consortium enhanced arsenic accumulation in the leaves and roots of Betula celtiberica, whereas the rhizosphere isolate Ensifer adhaerens strain 91R mainly promoted plant growth. Field experimentation showed that additional factors, such as soil arsenic content and pH, influenced arsenic uptake in the plant, attesting to the relevance of field conditions in the success of phytoextraction strategies.IMPORTANCE Microorganisms and plants have developed several ways of dealing with arsenic, allowing them to resist and metabolize this metalloid. These properties form the basis of phytoremediation treatments and the understanding that the interactions of plants with soil bacteria are crucial for the optimization of arsenic uptake. To address this in our work, we initially performed a microbiome analysis of the autochthonous Betula celtiberica plants growing in arsenic-contaminated soils, including endosphere and rhizosphere bacterial communities. We then proceeded to isolate and characterize the cultivable bacteria that were potentially better suited to enhance phytoextraction efficiency. Eventually, we went to the field application stage. Our results corroborated the idea that recovery of pseudometallophyte-associated bacteria adapted to a large historically contaminated site and their use in bioaugmentation technologies are affordable experimental approaches and potentially very useful for implementing effective phytoremediation strategies with plants and their indigenous bacteria.
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Nigra AE, Nachman KE, Love DC, Grau-Perez M, Navas-Acien A. Poultry Consumption and Arsenic Exposure in the U.S. Population. ENVIRONMENTAL HEALTH PERSPECTIVES 2017; 125:370-377. [PMID: 27735790 PMCID: PMC5332189 DOI: 10.1289/ehp351] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 08/24/2016] [Accepted: 09/19/2016] [Indexed: 05/17/2023]
Abstract
BACKGROUND Arsenicals (roxarsone and nitarsone) used in poultry production likely increase inorganic arsenic (iAs), monomethylarsonic acid (MMA), dimethylarsinic acid (DMA), and roxarsone or nitarsone concentrations in poultry meat. However, the association between poultry intake and exposure to these arsenic species, as reflected in elevated urinary arsenic concentrations, is unknown. OBJECTIVES Our aim was to evaluate the association between 24-hr dietary recall of poultry consumption and arsenic exposure in the U.S. population. We hypothesized first, that poultry intake would be associated with higher urine arsenic concentrations and second, that the association between turkey intake and increased urine arsenic concentrations would be modified by season, reflecting seasonal use of nitarsone. METHODS We evaluated 3,329 participants ≥ 6 years old from the 2003-2010 National Health and Nutrition Examination Survey (NHANES) with urine arsenic available and undetectable urine arsenobetaine levels. Geometric mean ratios (GMR) of urine total arsenic and DMA were compared across increasing levels of poultry intake. RESULTS After adjustment, participants in the highest quartile of poultry consumption had urine total arsenic 1.12 (95% CI: 1.04, 1.22) and DMA 1.13 (95% CI: 1.06, 1.20) times higher than nonconsumers. During the fall/winter, participants in the highest quartile of turkey intake had urine total arsenic and DMA 1.17 (95% CI: 0.99, 1.39; p-trend = 0.02) and 1.13 (95% CI: 0.99, 1.30; p-trend = 0.03) times higher, respectively, than nonconsumers. Consumption of turkey during the past 24 hr was not associated with total arsenic or DMA during the spring/summer. CONCLUSIONS Poultry intake was associated with increased urine total arsenic and DMA in NHANES 2003-2010, reflecting arsenic exposure. Seasonally stratified analyses by poultry type provide strong suggestive evidence that the historical use of arsenic-based poultry drugs contributed to arsenic exposure in the U.S. CITATION Nigra AE, Nachman KE, Love DC, Grau-Perez M, Navas-Acien A. 2017. Poultry consumption and arsenic exposure in the U.S. Environ Health Perspect 125:370-377; http://dx.doi.org/10.1289/EHP351.
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Affiliation(s)
- Anne E. Nigra
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, New York, USA
- Department of Epidemiology,
- Department of Environmental Health Sciences,
- Address correspondence to A.E. Nigra, Department of Environmental Health Sciences, Columbia Mailman School of Public Health, 722 W. 168th St., 11th Floor, Room 1105, New York, NY 10032 USA. E-mail: , or A. Navas-Acien, Department of Environmental Health Sciences, Columbia Mailman School of Public Health, 722 W. 168th St., 11th Floor, Room 1105, New York, NY 10032 USA. Telephone: 212-342-4712. E-mail:
| | - Keeve E. Nachman
- Department of Environmental Health Sciences,
- Center for a Livable Future, and
- Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - David C. Love
- Department of Environmental Health Sciences,
- Center for a Livable Future, and
| | - Maria Grau-Perez
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, New York, USA
- Department of Environmental Health Sciences,
| | - Ana Navas-Acien
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, New York, USA
- Department of Epidemiology,
- Department of Environmental Health Sciences,
- Address correspondence to A.E. Nigra, Department of Environmental Health Sciences, Columbia Mailman School of Public Health, 722 W. 168th St., 11th Floor, Room 1105, New York, NY 10032 USA. E-mail: , or A. Navas-Acien, Department of Environmental Health Sciences, Columbia Mailman School of Public Health, 722 W. 168th St., 11th Floor, Room 1105, New York, NY 10032 USA. Telephone: 212-342-4712. E-mail:
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Matern K, Weigand H, Singh A, Mansfeldt T. Environmental status of groundwater affected by chromite ore processing residue (COPR) dumpsites during pre-monsoon and monsoon seasons. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:3582-3592. [PMID: 27882493 DOI: 10.1007/s11356-016-8110-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 11/14/2016] [Indexed: 05/25/2023]
Abstract
Chromite ore processing residue (COPR) is generated by the roasting of chromite ores for the extraction of chromium. Leaching of carcinogenic hexavalent chromium (Cr(VI)) from COPR dumpsites and contamination of groundwater is a key environmental risk. The objective of the study was to evaluate Cr(VI) contamination in groundwater in the vicinity of three COPR disposal sites in Uttar Pradesh, India, in the pre-monsoon and monsoon seasons. Groundwater samples (n = 57 pre-monsoon, n = 70 monsoon) were taken in 2014 and analyzed for Cr(VI) and relevant hydrochemical parameters. The site-specific ranges of Cr(VI) concentrations in groundwater were <0.005 to 34.8 mg L-1 (Rania), <0.005 to 115 mg L-1 (Chhiwali), and <0.005 to 2.0 mg L-1 (Godhrauli). Maximum levels of Cr(VI) were found close to the COPR dumpsites and significantly exceeded safe drinking water limits (0.05 mg L-1). No significant dependence of Cr(VI) concentration on monsoons was observed.
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Affiliation(s)
- Katrin Matern
- Soil Geography/Soil Science, Department of Geosciences, University of Cologne, Albertus-Magnus-Platz, 50923, Cologne, Germany
| | - Harald Weigand
- ZEuUS, THM University of Applied Sciences, Wiesenstr. 14, 35390, Gießen, Germany
| | - Abhas Singh
- Department of Civil Engineering, Indian Institute of Technology, Kanpur, 208016, India
| | - Tim Mansfeldt
- Soil Geography/Soil Science, Department of Geosciences, University of Cologne, Albertus-Magnus-Platz, 50923, Cologne, Germany.
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77
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Hsu KC, Hsieh JR, Chen YC, Hsu PF, Hung CC, Huang YL. A microdialysis-based analytical system for dynamic monitoring of arsenic transformation under microbial activity. Analyst 2017; 142:4737-4743. [DOI: 10.1039/c7an01399j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, a microdialysis (MD) technique was combined with high-performance liquid chromatography/inductively coupled plasma mass spectrometry (HPLC-ICP-MS) for continuous monitoring of the dynamic variations of arsenic species in a microbe-inoculated culture broth.
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Affiliation(s)
- Keng-Chang Hsu
- Department of Medical Laboratory Science and Biotechnology
- College of Health Sciences
- Kaohsiung Medical University
- Taiwan
| | - Jing-Ru Hsieh
- Department of Medical Laboratory Science and Biotechnology
- College of Health Sciences
- Kaohsiung Medical University
- Taiwan
| | - Ya-Ching Chen
- Department of Laboratory Medicine
- Kaohsiung Medical University Hospital
- Kaohsiung Medical University
- Taiwan
| | - Pi-Fu Hsu
- Department of Medical Laboratory Science and Biotechnology
- College of Health Sciences
- Kaohsiung Medical University
- Taiwan
| | - Chih-Chang Hung
- Research Center of Environmental Medicine
- Kaohsiung Medical University
- Taiwan
| | - Yeou-Lih Huang
- Department of Medical Laboratory Science and Biotechnology
- College of Health Sciences
- Kaohsiung Medical University
- Taiwan
- Department of Laboratory Medicine
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78
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Floris B, Galloni P, Sabuzi F, Conte V. Metal systems as tools for soil remediation. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2016.04.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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79
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Rameshrad M, Razavi BM, Hosseinzadeh H. Protective effects of green tea and its main constituents against natural and chemical toxins: A comprehensive review. Food Chem Toxicol 2016; 100:115-137. [PMID: 27915048 DOI: 10.1016/j.fct.2016.11.035] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2016] [Revised: 11/24/2016] [Accepted: 11/30/2016] [Indexed: 01/26/2023]
Abstract
Toxins are natural or chemical poisonous substances with severe side effects on health. Humans are generally exposed by widespread toxic contaminations via air, soil, water, food, fruits and vegetables. Determining a critical antidote agent with extensive effects on different toxins is an ultimate goal for all toxicologists. Traditional medicine is currently perceived as a safe and natural approach against toxins. In this regard, we focused on the protective effects of green tea (Camellia sinensis) and its main components such as catechin, epicatechin, epicatechin gallate, gallocatechin, epigallocatechin and epigallocatechin gallate as a principal source of antioxidants against both natural and chemical toxins. This literate review demonstrates that protective effects of green tea and its constituents were mainly attributed to their anti-oxidative, radical scavenging, chelating, anti-apoptotic properties and modulating inflammatory responses. Although, some studies reveal they have protective effects by increasing toxin metabolism and neutralizing PLA2, proteases, hyaluronidase and l-amino acid oxidase enzymes.
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Affiliation(s)
- Maryam Rameshrad
- Pharmaceutical Research Center, Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Bibi Marjan Razavi
- Targeted Drug Delivery Research Center, Department of Pharmacodynamy and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Hossein Hosseinzadeh
- Pharmaceutical Research Center, Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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80
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Ma T, Zhou L, Chen L, Li Z, Wu L, Christie P, Luo Y. Oxytetracycline Toxicity and Its Effect on Phytoremediation by Sedum plumbizincicola and Medicago sativa in Metal-Contaminated Soil. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:8045-8053. [PMID: 27704817 DOI: 10.1021/acs.jafc.6b02140] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Excessive use of antibiotics potentially threatens human health, agricultural production, and soil phytoremediation. This arouses concern over the potential adverse effects of a commonly used antibiotic, oxytetracycline (OTC), on plants used for soil remediation and possible stimulation of antibiotic resistance genes in soils. A greenhouse experiment was conducted to investigate different rates (0, 1, 5, and 25 mg kg-1) and frequencies (one single high and daily low application) of OTC addition to soil on phytoremediation of a heavy metal contaminated soil by Sedum plumbizincicola and/or Medicago sativa (alfalfa). After 90 days both Cd and Zn were substantially removed by phytoextraction into S. plumbizincicola shoots especially at the high OTC (25 mg kg-1) treatment which also led to inhibition of antioxidative enzyme activities in both plant species. Soil microbial activity decreased significantly with the addition of OTC, and this was ameliorated by planting alfalfa and S. plumbizincicola together. OTC at <5 mg kg-1 increased the biomass of both plant species, but the frequency of OTC addition had no effect on the rate of metal removal. Alfalfa exhibited greater detoxification ability and effectiveness in soil microbial activity promotion than S. plumbizincicola with intercropping. Phytoremediation by alfalfa and S. plumbizincicola in association can both promote the removal of heavy metals and also alleviate the toxic effects of pollutants on plants and soil microbes even at relatively high soil OTC concentrations.
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Affiliation(s)
- Tingting Ma
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008, China
- Institute of Hanjiang, Hubei University of Arts and Science , Xiangyang 441053, China
| | - Liqiang Zhou
- Chongqing Solid Wastes Management Center, Chongqing 401147, China
| | - Li'ke Chen
- Shanghai Research Institute of Chemical Industry, Shanghai 200062, China
| | - Zhu Li
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008, China
| | - Longhua Wu
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008, China
| | - Peter Christie
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008, China
| | - Yongming Luo
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008, China
- Key Laboratory of Coastal Zone Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences , Yantai 264003, China
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81
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Rajpert L, Kolvenbach BA, Ammann EM, Hockmann K, Nachtegaal M, Eiche E, Schäffer A, Corvini PFX, Skłodowska A, Lenz M. Arsenic Mobilization from Historically Contaminated Mining Soils in a Continuously Operated Bioreactor: Implications for Risk Assessment. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:9124-9132. [PMID: 27454004 DOI: 10.1021/acs.est.6b02037] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Concentrations of soil arsenic (As) in the vicinity of the former Złoty Stok gold mine (Lower Silesia, southwest Poland) exceed 1000 μg g(-1) in the area, posing an inherent threat to neighboring bodies of water. This study investigated continuous As mobilization under reducing conditions for more than 3 months. In particular, the capacity of autochthonic microflora that live on natural organic matter as the sole carbon/electron source for mobilizing As was assessed. A biphasic mobilization of As was observed. In the first two months, As mobilization was mainly conferred by Mn dissolution despite the prevalence of Fe (0.1 wt % vs 5.4 for Mn and Fe, respectively) as indicated by multiple regression analysis. Thereafter, the sudden increase in aqueous As[III] (up to 2400 μg L(-1)) was attributed to an almost quintupling of the autochthonic dissimilatory As-reducing community (quantitative polymerase chain reaction). The aqueous speciation influenced by microbial activity led to a reduction of solid phase As species (X-ray absorption fine structure spectroscopy) and a change in the elemental composition of As hotspots (micro X-ray fluorescence mapping). The depletion of most natural dissolved organic matter and the fact that an extensive mobilization of As[III] occurred after two months raises concerns about the long-term stability of historically As-contaminated sites.
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Affiliation(s)
- Liwia Rajpert
- Institute for Ecopreneurship, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland , Gründenstrasse 40, 4132 Muttenz, Switzerland
| | - Boris A Kolvenbach
- Institute for Ecopreneurship, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland , Gründenstrasse 40, 4132 Muttenz, Switzerland
| | - Erik M Ammann
- Institute for Ecopreneurship, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland , Gründenstrasse 40, 4132 Muttenz, Switzerland
| | - Kerstin Hockmann
- Institute of Terrestrial Ecosystems, Department of Environmental Systems Science, ETH Zürich , Universitätstrasse 16, 8092 Zürich, Switzerland
| | | | - Elisabeth Eiche
- Institute of Applied Geosciences, Karlsruhe Institute of Technology (KIT) , Adenauerring 20b, 76131 Karlsruhe, Germany
| | - Andreas Schäffer
- Institute for Environmental Research (Biology V), RWTH Aachen University , 52074 Aachen, Germany
| | - Philippe Francois Xavier Corvini
- Institute for Ecopreneurship, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland , Gründenstrasse 40, 4132 Muttenz, Switzerland
| | - Aleksandra Skłodowska
- Laboratory of Environmental Pollution Analysis, University of Warsaw , 02-096 Warsaw, Poland
| | - Markus Lenz
- Institute for Ecopreneurship, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland , Gründenstrasse 40, 4132 Muttenz, Switzerland
- Sub-Department of Environmental Technology, Wageningen University , 6700 EV Wageningen, The Netherlands
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82
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Zhang F, Wang X, Xionghui J, Ma L. Efficient arsenate removal by magnetite-modified water hyacinth biochar. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 216:575-583. [PMID: 27376988 DOI: 10.1016/j.envpol.2016.06.013] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2015] [Revised: 04/29/2016] [Accepted: 06/06/2016] [Indexed: 06/06/2023]
Abstract
Magnetic biochars (MW) prepared by chemical co-precipitation of Fe(2+)/Fe(3+) on water hyacinth biomass followed by pyrolysis exhibited important potential in aqueous As(V) elimination. In comparison, MW2501 outperformed other MWs and exhibited the highest As(V) sorption capacity which was estimated to be 7.4 mg g(-1) based on Langmuir-Freundlic model. With solution pH ranging from 3 to 10, As(V) removal efficiency by MW2501 kept stable and consistently higher than 90%. Besides, ∼100% removal of 0.5 mM As(V) can be obtained in the presence of P ≤ 0.1 mM or Cr/Sb ≤ 0.5 mM, indicating a wide applicability of MW2501 for treatment of As-containing water. The predominance of Fe3O4 on MW2501 surface was evidenced by XRD. Ligand exchange between As(V) anion and the hydroxylated surface of Fe3O4 as well as H bond was largely responsible for As(V) sorption as suggested by FTIR. XPS analysis further revealed the dominance of As(V) in the sorbed As on MW2501 surface with co-occurrence of a minor proportion of As(III) (11.45%). In parallel, oxidative transformation of Fe3O4 to Fe2O3 was also suggested by XPS. By a lab-scale column test, the potential and suitability of MW2501 in As-containing water treatment was further confirmed, which could also provide an alternative way to manage and utilize this highly problematic invasive species.
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Affiliation(s)
- Feng Zhang
- College of Resources and Environmental Science, Hunan Normal University, Changsha, Hunan, 410081, China; Soil and Fertilizer Institute of Hunan Province/Ministry of Agriculture Key Lab of Agri-Environment in the Midstream of Yangtze River Plain, Changsha, 410125, China
| | - Xin Wang
- College of Resources and Environmental Science, Hunan Normal University, Changsha, Hunan, 410081, China.
| | - Ji Xionghui
- Soil and Fertilizer Institute of Hunan Province/Ministry of Agriculture Key Lab of Agri-Environment in the Midstream of Yangtze River Plain, Changsha, 410125, China.
| | - Lijuan Ma
- College of Resources and Environmental Science, Hunan Normal University, Changsha, Hunan, 410081, China
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83
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84
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Tang Z, Lv Y, Chen F, Zhang W, Rosen BP, Zhao FJ. Arsenic Methylation in Arabidopsis thaliana Expressing an Algal Arsenite Methyltransferase Gene Increases Arsenic Phytotoxicity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:2674-81. [PMID: 26998776 PMCID: PMC4984539 DOI: 10.1021/acs.jafc.6b00462] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Arsenic (As) contamination in soil can lead to elevated transfer of As to the food chain. One potential mitigation strategy is to genetically engineer plants to enable them to transform inorganic As to methylated and volatile As species. In this study, we genetically engineered two ecotypes of Arabidopsis thaliana with the arsenite (As(III)) S-adenosylmethyltransferase (arsM) gene from the eukaryotic alga Chlamydomonas reinhardtii. The transgenic A. thaliana plants gained a strong ability to methylate As, converting most of the inorganic As into dimethylarsenate [DMA(V)] in the shoots. Small amounts of volatile As were detected from the transgenic plants. However, the transgenic plants became more sensitive to As(III) in the medium, suggesting that DMA(V) is more phytotoxic than inorganic As. The study demonstrates a negative consequence of engineered As methylation in plants and points to a need for arsM genes with a strong ability to methylate As to volatile species.
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Affiliation(s)
- Zhong Tang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yanling Lv
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Fei Chen
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Wenwen Zhang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Barry P. Rosen
- Department of Cellular Biology and Pharmacology, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida 33199, United States
| | - Fang-Jie Zhao
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
- Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, United Kingdom
- Corresponding Author (F.-J.Z.) . Phone: +86 (0) 25 84396509. Fax: +86 (0)25 84399551
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85
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Abid M, Niazi NK, Bibi I, Farooqi A, Ok YS, Kunhikrishnan A, Ali F, Ali S, Igalavithana AD, Arshad M. Arsenic(V) biosorption by charred orange peel in aqueous environments. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2016; 18:442-449. [PMID: 26552612 DOI: 10.1080/15226514.2015.1109604] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Biosorption efficiency of natural orange peel (NOP) and charred orange peel (COP) was examined for the immobilization of arsenate (As(V)) in aqueous environments using batch sorption experiments. Sorption experiments were carried out as a function of pH, time, initial As(V) concentration and biosorbent dose, using NOP and COP (pretreated with sulfuric acid). Arsenate sorption was found to be maximum at pH 6.5, with higher As(V) removal percentage (98%) by COP than NOP (68%) at 4 g L(-1) optimum biosorbent dose. Sorption isotherm data exhibited a higher As(V) sorption (60.9 mg g(-1)) for COP than NOP (32.7 mg g(-1)). Langmuir model provided the best fit to describe As(V) sorption. Fourier transform infrared spectroscopy and scanning electron microscopy combined with energy dispersive X-ray spectroscopy analyses revealed that the -OH, -COOH, and -N-H surface functional groups were involved in As(V) biosorption and the meso- to micro-porous structure of COP sequestered significantly (2-times) higher As(V) than NOP, respectively. Arsenate desorption from COP was found to be lower (10%) than NOP (26%) up to the third regeneration cycle. The results highlight that this method has a great potential to produce unique 'charred' materials from the widely available biowastes, with enhanced As(V) sorption properties.
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Affiliation(s)
- Muhammad Abid
- a Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad , Faisalabad , Pakistan
| | - Nabeel Khan Niazi
- a Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad , Faisalabad , Pakistan
- b Southern Cross GeoScience , Southern Cross University , Lismore , NSW , Australia
| | - Irshad Bibi
- a Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad , Faisalabad , Pakistan
- b Southern Cross GeoScience , Southern Cross University , Lismore , NSW , Australia
| | - Abida Farooqi
- c Environmental Geochemistry Laboratory, Department of Environmental Sciences , Quaid-i-Azam University , Islamabad , Pakistan
| | - Yong Sik Ok
- d Korea Biochar Research Center & Department of Biological Environment , Kangwon National University , Chuncheon , Korea
| | - Anitha Kunhikrishnan
- e Chemical Safety Division, Department of Agro-Food Safety , National Academy of Agricultural Science , Wanju-gun , Jeollabuk-do , Republic of Korea
| | - Fawad Ali
- f Department of Plant Breeding and Genetics , University of Agriculture Faisalabad , Faisalabad , Pakistan
| | - Shafaqat Ali
- g Department of Environmental Sciences , Government College University , Faisalabad , Pakistan
| | - Avanthi Deshani Igalavithana
- d Korea Biochar Research Center & Department of Biological Environment , Kangwon National University , Chuncheon , Korea
| | - Muhammad Arshad
- a Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad , Faisalabad , Pakistan
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86
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Malwal D, Gopinath P. Rapid and efficient removal of arsenic from water using electrospun CuO–ZnO composite nanofibers. RSC Adv 2016. [DOI: 10.1039/c6ra24023b] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
To remove arsenic effectively from water, we synthesized CuO–ZnO composite nanofibers using a simple electrospinning technique assisted by post-calcination.
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Affiliation(s)
- Deepika Malwal
- Nanobiotechnology Laboratory
- Centre for Nanotechnology
- Indian Institute of Technology Roorkee
- Roorkee
- India
| | - P. Gopinath
- Nanobiotechnology Laboratory
- Centre for Nanotechnology
- Indian Institute of Technology Roorkee
- Roorkee
- India
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