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Bahamón-Pinzón D, Vélez-Torres I, Estes SL, Lee C, Moore A, Bridges W, Carraway E, Blazer H, Gutiérrez Zapata HM, Vanegas D. Confined within a sugarcane monoculture: A participatory assessment of water pollution and potential health risks in the community of El Tiple, Colombia. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:174072. [PMID: 38897454 DOI: 10.1016/j.scitotenv.2024.174072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Revised: 06/02/2024] [Accepted: 06/15/2024] [Indexed: 06/21/2024]
Abstract
Communities neighboring monoculture plantations are vulnerable to different forms of pollution associated with agro-industrial operations. Herein, we examine the case of El Tiple, a rural Afro descendant community embedded within one of the largest sugarcane plantations in the Americas. We implemented a participatory approach to assess water pollution, exposure via water ingestion, and non-carcinogenic health risks associated with the use of local water sources available to the community. We conducted household surveys to unveil demographic characteristics and family dynamics linked to water consumption. Additionally, we measured water quality parameters and assessed the concentration glyphosate, its major metabolite (aminomethylphosphonic acid) and metals and metalloids. Drinking water El Tiple households is sourced from three primary sources: the local aqueduct system, water delivery trucks, and private deep wells. Tests on water samples from both the local aqueduct and delivery trucks showed no traces of pesticides, metals, or metalloids surpassing regulatory limits set by Colombian or EPA standards. However, we found concentration of contaminants of primary concern, including mercury (up to 0.0052 ppm) and lead (up to 0.0375 ppm) that exceed the permissible regulatory thresholds in water from groundwater wells. Residents of the peripheric subdivisions of El Tiple are four times more reliant on well water extraction than residents of the central area of the town due to lack of access to public drinking water and sanitation infrastructure. Finally, adult women and school-age children have a higher health risk associated with exposure to local pollutants than adult men due to their constant presence in the town. We conclude that expanding the coverage of clean water and sanitation infrastructure to include all households of the community would be the most recommended measure to minimize exposure and risk via ingestion of water pollutants.
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Affiliation(s)
- David Bahamón-Pinzón
- Department of Environmental Engineering and Earth Sciences, Clemson University, Clemson, United States
| | - Irene Vélez-Torres
- School of Natural Resources and Environmental Engineering (EIDENAR), Universidad del Valle, Cali, Colombia; Interdisciplinary Group for Biotechnology Innovation and Ecosocial Change -BioNovo, Universidad del Valle, Cali, Colombia
| | - Shanna L Estes
- Department of Environmental Engineering and Earth Sciences, Clemson University, Clemson, United States
| | - Cindy Lee
- Department of Environmental Engineering and Earth Sciences, Clemson University, Clemson, United States; Department of Engineering and Science Education, Clemson University, Clemson, SC, United States
| | - Arelis Moore
- Department of Languages, Clemson University, Clemson, United States
| | - William Bridges
- School of Mathematical and Statistical Sciences, Clemson University, Clemson, United States
| | - Elizabeth Carraway
- Department of Environmental Engineering and Earth Sciences, Clemson University, Clemson, United States
| | - Haley Blazer
- Department of Languages, Clemson University, Clemson, United States
| | | | - Diana Vanegas
- Department of Environmental Engineering and Earth Sciences, Clemson University, Clemson, United States; Interdisciplinary Group for Biotechnology Innovation and Ecosocial Change -BioNovo, Universidad del Valle, Cali, Colombia; Global Alliance for Rapid Diagnostics, Michigan State University, East Lancing, MI, United States.
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Khanzada AK, Al-Hazmi HE, Kurniawan TA, Majtacz J, Piechota G, Kumar G, Ezzati P, Saeb MR, Rabiee N, Karimi-Maleh H, Lima EC, Mąkinia J. Hydrochar as a bio-based adsorbent for heavy metals removal: A review of production processes, adsorption mechanisms, kinetic models, regeneration and reusability. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 945:173972. [PMID: 38897477 DOI: 10.1016/j.scitotenv.2024.173972] [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: 04/21/2024] [Revised: 06/03/2024] [Accepted: 06/11/2024] [Indexed: 06/21/2024]
Abstract
The spread of heavy metals throughout the ecosystem has extremely endangered human health, animals, plants, and natural resources. Hydrochar has emerged as a promising adsorbent for removal of heavy metals from water and wastewater. Hydrochar, obtained from hydrothermal carbonization of biomass, owns unique physical and chemical properties that are highly potent in capturing heavy metals via surface complexation, electrostatic interactions, and ion exchange mechanisms. This review focuses on removing heavy metals by hydrochar adsorbents from water bodies. The article discusses factors affecting the adsorption capacity of hydrochars, such as contact time, pH, initial metal concentration, temperature, and competing ions. Literature on optimization approaches such as surface modification, composite development, and hybrid systems are reviewed to enlighten mechanisms undertaking the efficiency of hydrochars in heavy metals removal from wastewater. The review also addresses challenges such as hydrochar regeneration and reusability, alongside potential issues related to its disposal and metal leaching. Integration with current water purification methods and the significance of ongoing research and initiatives promoting hydrochar-based technologies were also outlined. The article concludes that combining hydrochar with modern technologies such as nanotechnology and advanced oxidation techniques holds promise for improving heavy metal remediation. Overall, this comprehensive analysis provides valuable insights to guide future studies and foster the development of effective, affordable, and environmentally friendly heavy metal removal technologies to ensure the attainment of safer drinking water for communities worldwide.
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Affiliation(s)
- Aisha Khan Khanzada
- Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Gdansk 80-233, Poland
| | - Hussein E Al-Hazmi
- Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Gdansk 80-233, Poland.
| | | | - Joanna Majtacz
- Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Gdansk 80-233, Poland
| | - Grzegorz Piechota
- GPCHEM, Laboratory of Biogas Research and Analysis, ul. Legionów 40a/3, 87-100 Toruń, Poland
| | - Gopalakrishnan Kumar
- Institute of Chemistry, Bioscience and Environmental Engineering, Faculty of Science and Technology, University of Stavanger, Box 8600 Forus 4036, Stavanger, Norway; School of Civil and Environmental Engineering, Yonsei University, Seoul, 03722, Republicof Korea
| | - Peyman Ezzati
- ERA Co., Ltd, Science and Technology Center, P.O. Box: 318020, Taizhou, Zhejiang, China
| | - Mohammad Reza Saeb
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, J. Hallera 107, 80-416 Gdańsk, Poland.
| | - Navid Rabiee
- Department of Biomaterials, Saveetha Dental College and Hospitals, SIMATS, Saveetha University, Chennai 600077, India
| | - Hassan Karimi-Maleh
- School of Resources and Environment, University of Electronic Science and Technology of China, P.O. Box 611731, Xiyuan Ave, Chengdu, China
| | - Eder Claudio Lima
- Institute of Chemistry, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Brazil.
| | - Jacek Mąkinia
- Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Gdansk 80-233, Poland
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Huang Y, Zhou C, Quan Y, Xu S, Li Q, Liu G. Elements characteristics and potential environmental risk assessment of jarosite residue and arsenic sulfide residue based on geochemical and mineralogical analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 944:173600. [PMID: 38823706 DOI: 10.1016/j.scitotenv.2024.173600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 05/18/2024] [Accepted: 05/26/2024] [Indexed: 06/03/2024]
Abstract
The waste slag known as jarosite residue (JR) and arsenic sulfide residue (ASR) were produced following the creation of zinc by hydrometallurgical procedures. The increasing annual zinc mining has led to growing pressure to dispose of the resulting JR and ASR from zinc smelting, making it crucial to assess their environmental impact and feasibility for utilization. The main components, distribution characteristics of elements, and potential environmental risks of zinc smelting wastes are studied through toxicity leaching tests, sequential extraction procedures, and various characterization technologies such as XRF, XRD, and SEM-EDS. The mineral compositions of JR are natrojarosite, franklinite, and gunningite, and zinc mainly adheres to the crevices of the natrojarosite mineral. Meanwhile, the ASR of flocculent structures is composed of orpiment, greenockite, arsenic oxide, and calvertite, and As appears in the form of the S-As-O phase. The Zn, Cu, and Cd in JR were dominated by exchangeable bound (81.53-96.6 %), and the main form of As, Cd, Se, and Tl in ASR was organic matter bound (87.0-99.21 %). The Risk Assessment Code (RAC) method confirmed the risk of Cd, Cu, Zn, and Mo in JR is high, while the risk of Cd, Pb, and Cr in ASR is moderate. Compared to the standard value of "Identification Standard for Toxicity of Hazardous Waste Leaching (GB5085.3-2007)", the leachate concentrations of Zn in JR as well as Cd and As in ASR were exceeded, suggesting that the JR and ASR were in the type of hazardous waste and posed an environmental risk. The study provides theoretical guidance for the future rational management and effective utilization of hazardous waste.
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Affiliation(s)
- Yan Huang
- School of Resources and Environmental Engineering, Hefei University of Technology, No. 193, Road Tunxi, Hefei 230009, China
| | - Chuncai Zhou
- School of Resources and Environmental Engineering, Hefei University of Technology, No. 193, Road Tunxi, Hefei 230009, China.
| | - Ye Quan
- School of Resources and Environmental Engineering, Hefei University of Technology, No. 193, Road Tunxi, Hefei 230009, China
| | - Shihai Xu
- School of Resources and Environmental Engineering, Hefei University of Technology, No. 193, Road Tunxi, Hefei 230009, China
| | - Quanzhong Li
- School of Resources and Environmental Engineering, Hefei University of Technology, No. 193, Road Tunxi, Hefei 230009, China
| | - Guijian Liu
- School of Earth and Space Sciences, University of Science and Technology of China, No. 96, Road Jinzhai, Hefei 230026, China
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Valdez-García GD, Leyva-Ramos R, Rodríguez-Ramos I, Carrales-Alvarado DH, Villela-Martínez DE. Adsorption of cadmium (II) on organic xerogel microspheres: effect of adding sepiolite or vermiculite and operating conditions on the adsorption capacity. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-34346-y. [PMID: 39012529 DOI: 10.1007/s11356-024-34346-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 07/06/2024] [Indexed: 07/17/2024]
Abstract
The organic xerogel (OX) was synthesized through sol-gel polymerization of formaldehyde and resorcinol in inverse emulsion using Na2CO3 as a catalyst. Meanwhile, OX containing sepiolite (OX-Sep) and vermiculite (OX-Ver) were prepared similarly to OX but adding clays during synthesis. All materials were mesoporous and presented spherical morphology, and the surface of these materials exhibited an acidic character because the concentration of acidic sites was higher than those of basic sites. Cd(II) adsorption from aqueous solutions onto OX, OX-Sep, and OX-Ver was examined, and the OX-Sep showed the highest adsorption capacity towards Cd(II) of 189.7 mg/g, being 1.5, 2, and 36 times higher than that of OX-Ver, OX, and Sep. The OX-Sep capacity for adsorbing Cd(II) was significantly lessened by decreasing the pH from 7 to 4 and raising the ionic strength from 0.01 N to 0.1 N. This trend was ascribed to electrostatic attraction between the Cd+2 in water and the negatively charged surface of OX-Sep. Besides, desorption studies at pH 4 showed that the average desorption percentage of Cd(II) adsorbed on OX-Sep was 80%. The characterization results and the effect of the operating conditions on the adsorption capacity proved that electrostatic attraction and cation exchange play a crucial role in the adsorption mechanism.
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Affiliation(s)
- Genesis Derith Valdez-García
- Centro de Investigación y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. M. Nava No.6, 78210, San Luis Potosí, SLP, Mexico
| | - Roberto Leyva-Ramos
- Centro de Investigación y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. M. Nava No.6, 78210, San Luis Potosí, SLP, Mexico.
| | | | - Damarys Haidee Carrales-Alvarado
- Centro de Investigación y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. M. Nava No.6, 78210, San Luis Potosí, SLP, Mexico
| | - Diana Elizabeth Villela-Martínez
- Centro de Investigación y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. M. Nava No.6, 78210, San Luis Potosí, SLP, Mexico
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Chen M, Liu H, Pan J, He S, Hong Y, Wang S, Zhou Y, Chen D, Su M. Enhanced cadmium removal by a magnetic potassium ferrocyanide framework: Performance and mechanism study. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 282:116702. [PMID: 39018732 DOI: 10.1016/j.ecoenv.2024.116702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 07/04/2024] [Accepted: 07/06/2024] [Indexed: 07/19/2024]
Abstract
Polluted environments often contain large amounts of toxic metals, such as cadmium, which pose a major threat to ecosystems and public health. Contamination by cadmium and its compounds is often observed in areas surrounding zinc mining sites and electroplating factories, and the control of cadmium pollution is essential for environmental safety and health. In this study, a highly efficient and straightforward separation strategy for K4Fe(CN)6@Fe3O4 nanocomposites is successfully developed to capture the Cd ions in the water environment. Batch adsorption experiments revealed that K4Fe(CN)6@Fe3O4 exhibited a high cadmium removal rate (greater than 98 %) at a pH level of 6.0 and solid-liquid ratio of 1.0 g/L at room temperature (298 K). Kinetic analysis revealed that the adsorption process followed a pseudo-second-order model and cadmium was rapidly removed in the first 10 min, with chemisorption dominating the capture of Cd2+ by K4Fe(CN)6@Fe3O4. Adsorption isotherms revealed a heterogeneous adsorption behavior, with a maximum adsorption capacity of 40.78 mg/g. The intrinsic adsorption of Cd2+ by K4Fe(CN)6@Fe3O4 occurring primarily through electrostatic interaction and ion exchange. In addition, K4Fe(CN)6@Fe3O4 exhibited an excellent regeneration capacity. Therefore, integrating Fe3O4 into the metal cyanide not only provided the composite material with excellent chemical stability and selective adsorption sites for Cd2+, but also facilitated subsequent sorbent collection and recovery. Overall, this study presents a simple and feasible approach for integrating Fe3O4 into potassium ferrocyanide frameworks for efficient cadmium removal from contaminated water.
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Affiliation(s)
- Miaoling Chen
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Heyao Liu
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Jiaqi Pan
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Shaoming He
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Yang Hong
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Shuwen Wang
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Ying Zhou
- Center for Water Research, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai 519087, China.
| | - Diyun Chen
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Minhua Su
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China.
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Asefa EM, Damtew YT, Mengistu DA, Tolera ST, Dugasa FF, Berhanu A, Enoe J, Ober J, Teklu BM, Weldemariam ED. Heavy metals in Ethiopian drinking water and public health risks: Insights from nationwide and regional analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 947:174527. [PMID: 38977100 DOI: 10.1016/j.scitotenv.2024.174527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 07/03/2024] [Accepted: 07/03/2024] [Indexed: 07/10/2024]
Abstract
The ambitious sustainable development goal (SDG) 6 of the United Nations, which aims to achieve universal access to safe water and sanitation by 2030, remains elusive for many developing countries like Ethiopia. This is often due to a multitude of intricate factors, including the escalating degradation of water quality. Here, we present a comprehensive nationwide and regional analysis of heavy metal pollution in drinking water sources and the associated human health risks in Ethiopia based on a dataset of 11 heavy metal concentrations (n = 975) collated from available studies. Results indicate significant variations in heavy metal pollution in drinking water sources in Ethiopia, with 44 % of the total concentration exceeding maximum permissible limits. The mean concentrations were ranked as follows: Pb (1.92 mg/L) > Zn (1.25 mg/L) > Fe (0.56 mg/L) > Mn (0.43 mg/L) > Cu (0.40 mg/L) > Co (0.30 mg/L) > As (0.12 mg/L) > Ni (0.12 mg/L) > Cr (0.10 mg/L) > Cd (0.06 mg/L) > Hg (0.04 mg/L). We found that children are more vulnerable to non-carcinogenic health risks than adults, with the highest hazard quotient (HQ) exceedances of up to a factor of 1823 and 762, respectively. Furthermore, a Monte Carlo-based probabilistic risk assessment highlighted significant concerns regarding co-exposure to multiple heavy metals. The measured concentrations, ingestion rates, and exposure frequencies were identified as sensitive parameters. Overall, a higher risk was attributed to Pb and As, with river drinking water sources and the Tigray region requiring immediate mitigation measures. In conclusion, the findings emphasize the urgent need to test and purify water before consumption and to implement effective public health interventions. Furthermore, a multifaceted approach including regular monitoring, source protection, and proper waste management is recommended to expedite the achievement of SDGs and promote water sustainability in resource-limited Ethiopia and sub-Saharan Africa.
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Affiliation(s)
- Elsai Mati Asefa
- School of Environmental Health, College of Health and Medical Sciences, Haramaya University, 235 Harar, Ethiopia.
| | - Yohannes Tefera Damtew
- School of Environmental Health, College of Health and Medical Sciences, Haramaya University, 235 Harar, Ethiopia; School of Public Health, The University of Adelaide, Adelaide 5005, Australia
| | - Dechasa Adare Mengistu
- School of Environmental Health, College of Health and Medical Sciences, Haramaya University, 235 Harar, Ethiopia
| | - Sina Temesgen Tolera
- School of Environmental Health, College of Health and Medical Sciences, Haramaya University, 235 Harar, Ethiopia
| | - Faye Fekede Dugasa
- School of Pharmacy, College of Health and Medical Sciences, Haramaya University, 235 Harar, Ethiopia
| | - Abdi Berhanu
- School of Medicine, College of Health and Medical Sciences, Haramaya University, 235 Harar, Ethiopia
| | - Jerry Enoe
- Department of Geomatics Engineering and Land Management, The University of the West Indies, St. Augustine, Trinidad and Tobago
| | - Józef Ober
- Department of Applied Social Sciences, Faculty of Organization and Management, Silesian University of Technology, Roosevelta 26-28, 41-800 Zabrze, Poland
| | - Berhan M Teklu
- Plant Quarantine and Regulatory Lead Executive, Ethiopian Agricultural Authority, 313003 Addis Ababa, Ethiopia
| | - Ermias Deribe Weldemariam
- Department of Environmental Management, Faculty of Urban Development Studies, Kotebe University of Education, 31248 Addis Ababa, Ethiopia
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Liu J, Zhao J, Wang Y, Zhao Y, Wu K. Speciation distribution and leaching behavior of heavy metals in coal gasification fine ash: Influence of particle size, carbon content and mineral composition. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 947:174498. [PMID: 38971247 DOI: 10.1016/j.scitotenv.2024.174498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 06/13/2024] [Accepted: 07/02/2024] [Indexed: 07/08/2024]
Abstract
In this study, the occurrence and distribution of heavy metals in coal gasification fine ash (CGFA) with different particle sizes were investigated to ensure safer disposal and utilization strategies for CGFA. These measures are critical to sustainable industrial practices. This study investigates the distribution and leachability of heavy metals in CGFA, analyzing how these factors vary with particle size, carbon content, and mineral composition. The results demonstrated that larger CGFA particles (>1 mm) encapsulated up to 70 % more heavy metals than smaller particles (<0.1 mm). Cr and Zn were present in higher concentrations in larger CGFA particles, whereas volatile elements such as Zn, Hg, Se, and Pb were found in relatively higher contents in finer CGFA particles. At least 70 % of Hg in CGFA was present in an acid-soluble form of speciation, whereas Cd, Zn, and Pb were mostly present in a reducible form of speciation, which could be attributed to the presence of franklinite. More than 40 % of Cd and Zn in fine CGFA particles exist in an acid-soluble form. With the exception of CGFA_1.18, Se in CGFA mainly existed in an oxidizable form at a ratio of 60 %-80 %. This could be attributed to the presence of bassanite particles as well as the higher affinity of Se for S. In contrast, Cr, Cu, and As were mostly present in residual speciation forms owing to their parasitism in quartz, sillimanite, and amorphous Fe solid solution in CGFA. Additionally, the study revealed that there was no significant relationship between heavy metal content, leaching behavior, and carbon content in CGFA. Based on combined analyses using toxicity characteristic leaching procedure (TCLP) leaching concentrations and risk assessment code (RAC) results, it is recommended to focus on the environmental risks posed by Cd, Cr, Pb, Zn, and Hg in CGFA during their modification and utilization processes.
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Affiliation(s)
- Jie Liu
- School of Civil Engineering, Sun Yat-sen University & Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China
| | - Jihui Zhao
- School of Civil Engineering, Sun Yat-sen University & Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China.
| | - Yiren Wang
- School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China
| | - Yunqi Zhao
- College of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China
| | - Kunrun Wu
- School of Civil Engineering, Sun Yat-sen University & Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China
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Zuo TT, Liu JL, Jin HY, Chang Y, Wei F, Wei S, Kang S, Ma SC. A novel bioaccessibility-based probabilistic risks assessment of potentially toxic elements (PTEs) in earthworm. Front Pharmacol 2024; 15:1398394. [PMID: 39027336 PMCID: PMC11254821 DOI: 10.3389/fphar.2024.1398394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 06/10/2024] [Indexed: 07/20/2024] Open
Abstract
Introduction: Early risk assessment studies usually based on total heavy metal (loid) contents, inevitably leading to an overestimation of the health risks. In addition, inputs are represented as single-point estimates in deterministic models, leading to underestimation or overestimation of the health risks. Methods: To overcome these barriers, a novel probabilistic risk assessment strategy based on the combinational use of bioaccessibility and Monte Carlo simulation was developed to assess heavy metal (loid) associated health risks of earthworms in this study. To obtain a realistic and robust probabilistic risk assessment, heavy metal (loid) exposure duration and frequency were determined using our questionnaire data. Results: As a result, the mean gastrointestinal bioaccessibility was in the order: Cd > As > Cu > Hg. The mean hazard index (HI) values for investigated metal (loid)s were 0.65 and 0.59 for male and female, respectively, demonstrating an acceptable health risk in an average community. However, the 90th percentile of HI values was 1.87 and 1.65 for male and female, respectively. And the total non-cancer risks of heavy metal (loid) exposure exceeded the acceptable threshold for 19.9% and 17.8% of male and female, respectively. In addition, the total cancer risk (TCR) value through co-exposure to As and Cd suggested that the carcinogenic risks may be of concern for average exposure population. Sensitivity analyses revealed that the exposure frequency and bioaccessible As concentration were the dominant contributors to the total risk variance, which provided meaningful implications for environmental management. Conclusion: Altogether, the refined strategy based on bioaccessibility and Monte Carlo simulation is the first of its kind, such effort attempts to scientifically guide the rational clinic use of TCM and the improvement of population-health.
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Affiliation(s)
- Tian-Tian Zuo
- National Institutes for Food and Drug Control, Beijing, China
| | - Jia-Lin Liu
- Tianjin Center for Disease Control and Prevention, Tianjin, China
| | - Hong-Yu Jin
- National Institutes for Food and Drug Control, Beijing, China
| | - Yan Chang
- National Institutes for Food and Drug Control, Beijing, China
| | - Feng Wei
- National Institutes for Food and Drug Control, Beijing, China
| | - Sheng Wei
- School of Public Health and Emergency Management, Southern University of Science and Technology, Shenzhen, China
| | - Shuai Kang
- National Institutes for Food and Drug Control, Beijing, China
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Kumar S, Islam R, Saha MK, Khan MHR, Alam MR, Mia S. Metal(loid) contamination in Bangladesh: a comprehensive synthesis in different landscapes with ecological and health implications. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:40958-40975. [PMID: 38839739 DOI: 10.1007/s11356-024-33836-3] [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: 02/13/2024] [Accepted: 05/23/2024] [Indexed: 06/07/2024]
Abstract
Elevated metal(loid) concentrations in soil and foodstuffs is a significant global issue for many densely populated countries like Bangladesh, necessitating reliable estimation for sustainable management. Therefore, a comprehensive data synthesis from the published literature might help to provide a wholistic view of metal(loid) contamination in different areas in Bangladesh. This study provided a clearer view of metal(loid) contamination status and their associated ecological and health risks in different land use and ecosystems in Bangladesh. Comprehensive analyses were performed on data gathered from 143 published articles using multiple statistical techniques including meta-analysis. Considering the potential loading of metal(loid), the data were summarized under various groups, including coastal, rural, urban and industrial regions. Also, the concentrations of seven metal(loid)s, e.g., cadmium (Cd), chromium (Cr), copper (Cu), nickel (Ni), lead (Pb), zinc (Zn), and arsenic (As) in soil, sediment, cereal, vegetable, fruit, surface water and groundwater were included. Results showed that the relative concentrations of metal(loid)s in comparison to the maximum permissible limit (MPL) were mostly less than one, although they varied significantly for locations and individual metal(loid). However, the normalized cumulative relative concentrations over the MPL for all seven metal(loid)s across different environmental samples were 4.75, 2.97, 1.51 and 2.79 for coastal, industrial, rural and urban areas, respectively, which was due to the higher concentration of Cd, Cr and Cu. Similar to the metal(loid) concentrations, the average of cumulative median non-cancer risks for all metal(loid)s was in the order of industrial (6.46) > urban (4.05) > rural (3.83) > coastal (2.41). This research outcome will provide a foundation for future research on metal(loid)s and will help in pertinent policy-making by the relevant authorities in Bangladesh.
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Affiliation(s)
- Sazal Kumar
- School of Environmental and Life Sciences, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Rafiquel Islam
- School of Environmental and Life Sciences, The University of Newcastle, Callaghan, NSW, 2308, Australia
- Department of Applied Chemistry and Chemical Engineering, Islamic University, Kushtia, 7003, Bangladesh
| | - Milton Kumar Saha
- Department of Disaster Risk Management, Patuakhali Science and Technology University, Dumki, Patuakhali, 8602, Bangladesh
| | - Md Hafijur Rahaman Khan
- Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou, 510301, China
- University of Chinese Academy of Sciences, Beijing, 1000049, China
| | - Md Rushna Alam
- School of Environmental and Life Sciences, The University of Newcastle, Callaghan, NSW, 2308, Australia
- Department of Aquaculture, Faculty of Fisheries, Patuakhali Science and Technology University, Dumki, Patuakhali, 8602, Bangladesh
| | - Shamim Mia
- Department of Agronomy, Patuakhali Science and Technology University, Dumki, Patuakhali, 8602, Bangladesh.
- School of Life and Environmental Sciences, The University of Sydney, Sydney, 2015, Australia.
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10
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Zhao G, Yang M, Zhang T, Jia B, Xu L, Cheng P. Simultaneous and on-line detection of organic and heavy metal components in water using a novel nebulization-assisted injection plasma ionization triple quadruple mass spectrometry instrument. Anal Chim Acta 2024; 1304:342531. [PMID: 38637047 DOI: 10.1016/j.aca.2024.342531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 03/11/2024] [Accepted: 03/25/2024] [Indexed: 04/20/2024]
Abstract
BACKGROUND The global release of organic and heavy metal components into natural water bodies is a major concern for the environment and human health. The assessment of water quality relies on analyzing organic and heavy metal components qualitatively and quantitatively. Real-time identification of organic and metal components in water systems requires different analytical techniques due to varying measurement requirements. Thus, on-line detecting both organic compounds and heavy metals in ambient water systems simultaneously using a single instrumentation setup presents a significant challenge. RESULTS In this study, an analytical technique of nebulization-assisted injection plasma ionization mass spectrometry (NI-PIMS) was developed. This novel method enables the simultaneous detection of heavy metals and organic compounds in water system with high sensitivity, which has been demonstrated by the limit of quantification (LOQ) values below 1.0 μg/L for the three sterols (Enrofloxacin, ciprofloxacin, and clenbuterol) and three heavy metals (Pb, Ba, and Cd). Moreover, the method was successfully applied to rapidly analyze real water samples from urban and rural areas in China. The analytical results are available in less than 0.5 min, and only a few microliters of sample are required for each analysis. SIGNIFICANCE AND NOVELTY As far as we know, this is the first report of on-line simultaneous analysis of organic compounds and heavy metals in a water system using a single mass spectrometry instrument. Compared to traditional methods, NI-PIMS demonstrates higher efficiency, sensitivity, no or lower sample preparation, and less sample consumption. The advancement and widespread use of this technology are expected to enhance the effectiveness of mass spectrometers, broaden the applications, and play an important role in complex sample analysis in fields such as atmospheric science, environmental science, and earth science.
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Affiliation(s)
- Gaosheng Zhao
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Maolin Yang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Tingting Zhang
- Aerospace System Engineering Shanghai, Shanghai, 201109, China
| | - Bin Jia
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
| | - Li Xu
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Ping Cheng
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
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11
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Dai Y, Duan S, Wang R, He P, Zhang Z, Li M, Shen Z, Chen Y, Zhao Y, Yang H, Li X, Zhang R, Sun J. Associations between multiple urinary metals and metabolic syndrome: Exploring the mediating role of liver function in Chinese community-dwelling elderly. J Trace Elem Med Biol 2024; 85:127472. [PMID: 38823271 DOI: 10.1016/j.jtemb.2024.127472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 05/06/2024] [Accepted: 05/10/2024] [Indexed: 06/03/2024]
Abstract
BACKGROUND Multiple metals exposure has been revealed to be related to metabolic syndrome (MetS). However, the associations and interactions between multiple metals exposure and MetS are remains controversial, and the potential mechanism of the above-mentioned is still unclear. METHODS The associations between urinary metals and the MetS were analyzed by multivariable logistic regression model and restricted cubic spline (RCS). Bayesian kernel machine regression (BKMR) model and quantile-based g-computation (qgcomp) were applied to explore the mixed exposure and interaction effect of metals. Mediation analysis was used to explore the role of liver function. RESULTS In the single metal model, multiple metals were significantly associated with MetS. RCS analysis further verified the associations between 8 metals and MetS. BKMR model and qgcomp showed that zinc (Zn), iron (Fe), and tellurium (Te) were the main factors affecting the overall effect. In addition, mediation analysis indicated that serum alanine aminotransferase (ALT) mediated 21.54% and 13.29% in the associations of vanadium (V) and Zn with the risk of MetS, respectively. CONCLUSIONS Elevated urinary concentration of Zn, V, Te, copper (Cu), molybdenum (Mo), and thallium (Tl) were related to the increased risk of MetS. Conversely, Fe and selenium (Se) may be protective factors for MetS in mixed exposure. Liver function may play a key role in the association of V and Zn exposure with MetS.
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Affiliation(s)
- Yuqing Dai
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia 750004, PR China
| | - Siyu Duan
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia 750004, PR China
| | - Rui Wang
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia 750004, PR China
| | - Pei He
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia 750004, PR China
| | - Zhongyuan Zhang
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia 750004, PR China
| | - Meiyan Li
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia 750004, PR China
| | - Zhuoheng Shen
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia 750004, PR China
| | - Yue Chen
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia 750004, PR China
| | - Yi Zhao
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia 750004, PR China
| | - Huifang Yang
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia 750004, PR China
| | - Xiaoyu Li
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia 750004, PR China.
| | - Rui Zhang
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China.
| | - Jian Sun
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, PR China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia 750004, PR China.
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12
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Lach J, Okoniewska E. Equilibrium, Kinetic, and Diffusion Mechanism of lead(II) and cadmium(II) Adsorption onto Commercial Activated Carbons. Molecules 2024; 29:2418. [PMID: 38893296 PMCID: PMC11174129 DOI: 10.3390/molecules29112418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 05/19/2024] [Accepted: 05/20/2024] [Indexed: 06/21/2024] Open
Abstract
The adsorption of Pb(II) and Cd(II) on three commercial microporous activated carbons was analysed. Adsorption kinetics and statistics were investigated, and the results were described with different models. The highest values of the correlation coefficient R2 were obtained for the pseudo-second-order kinetics model for all ions tested and all sorbents used. The adsorption process was found to be determined by both diffusion in the liquid layer and intraparticle diffusion. The adsorption equilibrium is very well described by Langmuir, Temkin, Thoth or Jovanovic isotherm models. Based on the values of n from the Freundlich isotherm and KL from the Langmuir isotherm, the adsorption of cadmium and lead ions was found to be favourable. The highest monolayer capacities were obtained during the adsorption of lead ions (162.19 mg/g) and for cadmium (126.34 mg/g) for activated carbon WG-12. This carbon is characterised by the highest amount of acid functional groups and the largest specific surface area. The adsorption efficiency of the tested ions from natural water is lower than that from a model solution made from deionised water. The lowest efficiencies are obtained when the process occurs from highly mineralised water.
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Affiliation(s)
- Joanna Lach
- Faculty of Infrastructure and Environment, Czestochowa University of Technology, Brzeznicka 60a, 42-200 Czestochowa, Poland;
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13
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Mekonnen BA, Yizengaw MG, Kassahun H, Ketema G. Health Risk Assessment of Potentially Toxic Elements Contamination of Commonly Consumed Fruits in Bahir Dar Town, Northwest Ethiopia. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2024; 2024:6677324. [PMID: 38779593 PMCID: PMC11111305 DOI: 10.1155/2024/6677324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 04/12/2024] [Accepted: 04/26/2024] [Indexed: 05/25/2024]
Abstract
Background Excess accumulation of potentially toxic elements in frequently consumed fruits is a serious threat to human health. The aim of this study was to determine the levels of cadmium (Cd), chromium (Cr), copper (Cu), and lead (Pb) and to estimate the noncarcinogenic and carcinogenic health risks associated with their daily intake in commonly consumed fruits in Bahir Dar town, northwest Ethiopia. Methods Three types of fruits (mango, banana, and orange) were collected using a simple random sampling method from open markets in Bahir Dar town. Wet digestion was used, and the concentration of potentially toxic elements was analyzed in the edible portion of the fruits. The average daily intake (ADI), hazard quotient (HQ), hazard index (HI), and target cancer risk (TCR) were estimated to assess the human health risks posed by the intake of those potentially toxic elements from the consumption of the studied fruits. Results The concentrations of Cr and Cu were lower than the maximum limit of normal values in mango, banana, and orange. However, the Pb and Cd concentrations (mg kg-1) in mango were 0.576 and 1.771, respectively, which exceeded the FAO/WHO recommended permissible limits of 0.3 mg kg-1 and 0.2 mg kg-1, respectively. The ADI of potentially toxic elements was found to be lower than the maximum permitted tolerable daily intake in the studied fruits, and the HI values (mgday-1 kg-1) of all studied potentially toxic elements were lower than one in banana and orange, except mango (3.69). The TCR values for Pb, Cd, and Cr in banana and orange were 7.16 × 10-4 and 7.15 × 10-4, respectively, which exceeded the recommended threshold risk limit (>1 × 10-4), but in mango (1.71 × 10-3), the level was above the moderate risk limit (>1 × 10-3). However, the TCR value in all the studied fruits was above the recommended safe limit (ILCR < 1 × 10-6) set by the United States Environmental Protection Agency (US-EPA). Conclusion The study revealed that the consumption of mango fruit in the studied areas may pose noncarcinogenic and carcinogenic adverse health effects.
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Affiliation(s)
- Biset Asrade Mekonnen
- Department of Pharmacy, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, P.O. Box 79, Ethiopia
| | - Muluabay Getie Yizengaw
- Department of Biochemistry, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, P.O. Box 79, Ethiopia
| | - Haile Kassahun
- Department of Pharmacy, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
| | - Gebremariam Ketema
- Department of Pharmacy, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
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14
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Zhang K, Chang S, Tu X, Wang E, Yu Y, Liu J, Wang L, Fu Q. Heavy metals in centralized drinking water sources of the Yangtze River: A comprehensive study from a basin-wide perspective. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133936. [PMID: 38479139 DOI: 10.1016/j.jhazmat.2024.133936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 02/28/2024] [Accepted: 02/29/2024] [Indexed: 04/07/2024]
Abstract
Water quality in the Yangtze River Basin (YRB) has received considerable attention because it supplies water to 400 million people. However, the trends, sources, and risks associated with heavy metals (HMs) in water of centralized drinking water sources (CDWSs) in the YRB region are not well understood due to the lack of high-frequency, large-scale monitoring data. Moreover, research on the factors affecting the transportation of HMs in natural water are limited, all of which significantly reduce the effectiveness of CDWSs management. Therefore, this study utilized data on 11 HMs and water quality from 114 CDWSs, covering 71 prefecture-level cities (PLC) in 15 provinces (cities), to map unprecedented geospatial distribution of HMs in the YRB region and examine their concentrations in relation to water chemistry parameters. The findings revealed that the frequency of detection (FOD) of 11 HMs ranged from 28.59% (Hg) to 99.64% (Ba). The mean concentrations are ranked as follows: Ba (40.775 μg/L) > B (21.866 μg/L) > Zn (5.133 μg/L) > V (2.668 μg/L) > Cu (2.049 μg/L) > As (1.989 μg/L) > Mo (1.505 μg/L) > Ni (1.108 μg/L) > Sb (0.613 μg/L) > Pb (0.553 μg/L) > Hg (0.002 μg/L). Concentrations of Zn, As, Hg, Pb, Mo, Sb, Ni, and Ba exhibited decreasing trends from 2018 to 2022. Human activities, including industrial and agricultural production, have led to higher pollution levels in the midstream and downstream of the river than in its upstream. Additionally, the high concentrations of Ba and B are influenced by natural geological factors. Anion concentrations and nutrient levels, play a significant role in the transport of HMs in water. Probabilistic health risk assessment indicates that As, Ba, and Sb pose a potential carcinogenic risk. Additionally, non-carcinogenic risk to children under extreme conditions should also be considered.
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Affiliation(s)
- Kunfeng Zhang
- State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Drinking Water Source Protection, Research Centre of Lake Environment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; Elite Engineers School, Harbin Institute of Technology, Harbin 150080, China; Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou 450000, China; School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China.
| | - Sheng Chang
- State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Drinking Water Source Protection, Research Centre of Lake Environment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
| | - Xiang Tu
- State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Drinking Water Source Protection, Research Centre of Lake Environment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
| | - Enrui Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Drinking Water Source Protection, Research Centre of Lake Environment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Yanling Yu
- Elite Engineers School, Harbin Institute of Technology, Harbin 150080, China; Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou 450000, China; School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China.
| | - Jianli Liu
- State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Drinking Water Source Protection, Research Centre of Lake Environment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Lu Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Drinking Water Source Protection, Research Centre of Lake Environment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Qing Fu
- State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Drinking Water Source Protection, Research Centre of Lake Environment, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
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15
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Srinivasan P, P Sivaraman S, Madhu DK, Sengupta P, Kattela B, Nagarajan S, Mohan AM, Deivasigamani P. Sustainable and reusable probe-encapsulated porous poly(AMST-co-TRIM) monolithic sensor for the selective and ultra-sensitive detection of toxic cadmium(II) from industrial/environmental wastewater. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133960. [PMID: 38492387 DOI: 10.1016/j.jhazmat.2024.133960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 02/28/2024] [Accepted: 03/04/2024] [Indexed: 03/18/2024]
Abstract
This study focuses on a new type of fast responsive solid-state visual colorimetric sensor, custom engineered with dual-entwined porous polymer imbued with chromoionophoric 4-(sec-butyl)- 2-((5-mercapto-1,3,4-thiadiazol-2-yl)diazenyl)phenol (SMDP) probe for selective and ultra-sensitive colorimetric sensing of Cd(II). The polymer monolith, i.e., poly(aminostyrene-co-trimethylolpropanetrimethacrylate) denoted as poly(AMST-co-TRIM), is designed through a stoichiometric blending of monomer, crosslinker, and porogens leading to superior surface area, pore and adsorption properties for the voluminous incorporation of SMDP probe for target specific ion sensing. The porosity, surface and structural characteristics of the poly(AMST-co-TRIM)monolith and poly(AMST-co-TRIM)SMDP sensor are investigated using p-XRD, XPS, TG-DTA, FT-IR, BET/BJH, FE-SEM, HR-TEM, EDAX, and SAED techniques. The poly(AMST-co-TRIM)SMDP sensor reveals a frozen geometrical orientation of SMDP molecules to bind selectively with Cd(II), forming stable charge-transfer complexes by exhibiting transitional visible color shifts from light yellow to dark green (λmax 608 nm). The sensor imposes a linear response from 0-200 ppb, with quantification and detection limits of 0.95 and 0.28 ppb. The fabricated sensor material is cost-effective and versatile in its solid-state naked-eye sensing, with excellent reusability. The sensor performance has been verified using various environmentally contaminated water and commercial cigarette samples, with a recovery of ≥ 99.12% and an RSD of ≤ 1.95%, thus reflecting exceptional data reproducibility/reliability.
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Affiliation(s)
- Prabhakaran Srinivasan
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu 632014, India
| | - Sushmitha P Sivaraman
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu 632014, India
| | - Deepan Kumar Madhu
- Department of Chemistry, K. Ramakrishnan College of Technology, Samayapuram, Tiruchirapalli, Tamil Nadu 621112, India
| | - Pratiksha Sengupta
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu 632014, India
| | - Bhargavi Kattela
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu 632014, India
| | - Sivaraman Nagarajan
- Homi Bhabha National Institute (HBNI), Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam, Tamil Nadu 603102, India
| | - Akhila Maheswari Mohan
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu 632014, India.
| | - Prabhakaran Deivasigamani
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu 632014, India.
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Chowdhury S, Karanfil T. Applications of artificial intelligence (AI) in drinking water treatment processes: Possibilities. CHEMOSPHERE 2024; 356:141958. [PMID: 38608775 DOI: 10.1016/j.chemosphere.2024.141958] [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: 06/04/2023] [Revised: 04/07/2024] [Accepted: 04/08/2024] [Indexed: 04/14/2024]
Abstract
In water treatment processes (WTPs), artificial intelligence (AI) based techniques, particularly machine learning (ML) models have been increasingly applied in decision-making activities, process control and optimization, and cost management. At least 91 peer-reviewed articles published since 1997 reported the application of AI techniques to coagulation/flocculation (41), membrane filtration (21), disinfection byproducts (DBPs) formation (13), adsorption (16) and other operational management in WTPs. In this paper, these publications were reviewed with the goal of assessing the development and applications of AI techniques in WTPs and determining their limitations and areas for improvement. The applications of the AI techniques have improved the predictive capabilities of coagulant dosages, membrane flux, rejection and fouling, disinfection byproducts (DBPs) formation and pollutants' removal for the WTPs. The deep learning (DL) technology showed excellent extraction capabilities for features and data mining ability, which can develop an image recognition-based DL framework to establish the relationship among the shapes of flocs and dosages of coagulant. Further, the hybrid techniques (e.g., combination of regression and AI; physical/kinetics and AI) have shown better predictive performances. The future research directions to achieve better control for WTPs through improving these techniques were also emphasized.
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Affiliation(s)
- Shakhawat Chowdhury
- Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia; IRC for Concrete and Building Materials, King Fahd University of Petroleum & Minerals, Saudi Arabia.
| | - Tanju Karanfil
- Department of Environmental Engineering and Earth Sciences, Clemson University, South Carolina, USA
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17
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Canevali C, Sansonetti A, Rampazzi L, Monticelli D, D'Arienzo M, Di Credico B, Ghezzi E, Mostoni S, Nisticò R, Scotti R. The Chemistry of Chelation for Built Heritage Cleaning: The Removal of Copper and Iron Stains. Chempluschem 2024:e202300709. [PMID: 38683651 DOI: 10.1002/cplu.202300709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 04/29/2024] [Accepted: 04/29/2024] [Indexed: 05/01/2024]
Abstract
Chelators are widely used in conservation treatments to remove metal stains from marble, travertine, and limestone surfaces. In the current review the chemical aspects underlying the use of chelators for the removal of copper and iron stains from built heritage are described and clear criteria for the selection of the most efficient stain removal treatment are given. The main chelator structural features are outlined and the operating conditions for effective metal stain removal (pH, time of application, etc.) discussed, with a particular emphasis on the ability to form stable metal complexes, the high selectivity towards the metal that should be removed, and the high sustainability for the environment. Dense matrices often host chelators for higher effectiveness, and further research is required to clarify their role in the cleaning process. Then, relevant case studies of copper and iron stain removal are discussed. On these bases, the most effective chelators for copper and stain removal are indicated, providing chemists and conservation scientists with scientific support for conservation operations on stone works of art and opening the way to the synthesis of new chelators.
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Affiliation(s)
- Carmen Canevali
- Department of Materials Science, University of Milano-Bicocca, via Roberto Cozzi 55, 20125, Milan, Italy
| | - Antonio Sansonetti
- Istituto di Scienze del Patrimonio Culturale (ISPC-CNR), Via Roberto Cozzi 53, 20125, Milan, Italy
| | - Laura Rampazzi
- Dipartimento di Scienze Umane e dell'Innovazione per il Territorio (DiSUIT), Università degli Studi dell'Insubria, Via Sant'Abbondio 12, 22100, Como, Italy
| | - Damiano Monticelli
- Department of Science and High Technology, Università degli Studi dell'Insubria, Via Valleggio 11, Como, Italy
| | - Massimiliano D'Arienzo
- Department of Materials Science, University of Milano-Bicocca, INSTM, via Roberto Cozzi 55, 20125, Milan, Italy
| | - Barbara Di Credico
- Department of Materials Science, University of Milano-Bicocca, INSTM, via Roberto Cozzi 55, 20125, Milan, Italy
| | - Elena Ghezzi
- Brera Academy of Fine Arts, Via Brera 28, 20121, Milan, Italy
| | - Silvia Mostoni
- Department of Materials Science, University of Milano-Bicocca, INSTM, via Roberto Cozzi 55, 20125, Milan, Italy
| | - Roberto Nisticò
- Department of Materials Science, University of Milano-Bicocca, INSTM, via Roberto Cozzi 55, 20125, Milan, Italy
| | - Roberto Scotti
- Department of Materials Science, University of Milano-Bicocca, INSTM, via Roberto Cozzi 55, 20125, Milan, Italy
- Institute for Photonics and Nanotechnologies-CNR, Via alla Cascata 56/C, 38123, Povo (TN), Italy
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Abstract
Ubiquitous environmental exposures increase cardiovascular disease risk via diverse mechanisms. This review examines personal strategies to minimize this risk. With regard to fine particulate air pollution exposure, evidence exists to recommend the use of portable air cleaners and avoidance of outdoor activity during periods of poor air quality. Other evidence may support physical activity, dietary modification, omega-3 fatty acid supplementation, and indoor and in-vehicle air conditioning as viable strategies to minimize adverse health effects. There is currently insufficient data to recommend specific personal approaches to reduce the adverse cardiovascular effects of noise pollution. Public health advisories for periods of extreme heat or cold should be observed, with limited evidence supporting a warm ambient home temperature and physical activity as strategies to limit the cardiovascular harms of temperature extremes. Perfluoroalkyl and polyfluoroalkyl substance exposure can be reduced by avoiding contact with perfluoroalkyl and polyfluoroalkyl substance-containing materials; blood or plasma donation and cholestyramine may reduce total body stores of perfluoroalkyl and polyfluoroalkyl substances. However, the cardiovascular impact of these interventions has not been examined. Limited utilization of pesticides and safe handling during use should be encouraged. Finally, vasculotoxic metal exposure can be decreased by using portable air cleaners, home water filtration, and awareness of potential contaminants in ground spices. Chelation therapy reduces physiological stores of vasculotoxic metals and may be effective for the secondary prevention of cardiovascular disease.
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Affiliation(s)
- Luke J Bonanni
- Grossman School of Medicine (L.J.B.), NYU Langone Health, New York, NY
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Bhat MA, Janaszek A. Evaluation of potentially toxic elements and microplastics in the water treatment facility. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:475. [PMID: 38662271 PMCID: PMC11045652 DOI: 10.1007/s10661-024-12651-w] [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: 02/10/2024] [Accepted: 04/19/2024] [Indexed: 04/26/2024]
Abstract
The potentially harmful effects of consuming potentially toxic elements (PTEs) and microplastics (MPs) regularly via drinking water are a significant cause for worry. This study investigated PTEs (Cd, Cu, Cr, Ni, Pd, Zn, Co), MPs, turbidity, pH, conductivity, and health risk assessment in the water treatment plant in Kielce, Poland. Zn had the highest concentrations throughout the water treatment facility, whereas Cd, Pb, and Co had lower concentrations (< 0.1 µg/L). The order of the concentrations among the specified PTEs was like Zn˃Cu˃Ni˃Cr˃Cd˃Pb and Co. The minimum turbidity was 0.34, and the maximum was 1.9 NTU. The range of pH in water samples was 6.51-7.47. The conductivity was 1,203-1,445 ms in water samples. These identified MPs were categorized into fiber and fragments. The color of these identified MPs was blue, red, black, green, and transparent. The minimum and maximum size of the MPs was 196 and 4,018 µm, while the average size was 2,751 ± 1,905 µm. The average concentration of MPs per liter of the water treatment plant was 108.88 ± 55.61. The elements listed are C, O, Na, Mg, Al, Si, K, Ca, and Ti. Fe and Zn were the predominant elements seen using EDX. HQ values of the PTEs were less than one for adults and children. The human health risk associated with all detected PTEs revealed that the HQ values exhibit a satisfactory degree of non-carcinogenic adverse health risk. HI values for adults and children age groups were less than one. In most water treatment samples, the carcinogenic value exceeds the threshold value of 10-6. The PTEs and MP concentrations in drinking water should be periodically monitored to minimize consumers' environmental pollution and health risks.
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Affiliation(s)
- Mansoor Ahmad Bhat
- Government Higher Secondary School Salamabad Uri 193123, Baramulla Kashmir, India.
- Faculty of Environmental Engineering, Geomatics and Renewable Energy, Kielce University of Technology, 25314, Kielce, Poland.
| | - Agata Janaszek
- Faculty of Environmental Engineering, Geomatics and Renewable Energy, Kielce University of Technology, 25314, Kielce, Poland
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Maranata GJ, Megantara S, Hasanah AN. An Update in Computational Methods for Environmental Monitoring: Theoretical Evaluation of the Molecular and Electronic Structures of Natural Pigment-Metal Complexes. Molecules 2024; 29:1680. [PMID: 38611959 PMCID: PMC11013237 DOI: 10.3390/molecules29071680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 04/03/2024] [Accepted: 04/05/2024] [Indexed: 04/14/2024] Open
Abstract
Metals are beneficial to life, but the presence of these elements in excessive amounts can harm both organisms and the environment; therefore, detecting the presence of metals is essential. Currently, metal detection methods employ powerful instrumental techniques that require a lot of time and money. Hence, the development of efficient and effective metal indicators is essential. Several synthetic metal detectors have been made, but due to their risk of harm, the use of natural pigments is considered a potential alternative. Experiments are needed for their development, but they are expensive and time-consuming. This review explores various computational methods and approaches that can be used to investigate metal-pigment interactions because choosing the right methods and approaches will affect the reliability of the results. The results show that quantum mechanical methods (ab initio, density functional theory, and semiempirical approaches) and molecular dynamics simulations have been used. Among the available methods, the density functional theory approach with the B3LYP functional and the LANL2DZ ECP and basis set is the most promising combination due to its good accuracy and cost-effectiveness. Various experimental studies were also in good agreement with the results of computational methods. However, deeper analysis still needs to be carried out to find the best combination of functions and basis sets.
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Affiliation(s)
- Gabriella Josephine Maranata
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Jl. Raya Bandung Sumedang KM 21, 5, Jatinangor, Sumedang 45363, Indonesia (S.M.)
| | - Sandra Megantara
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Jl. Raya Bandung Sumedang KM 21, 5, Jatinangor, Sumedang 45363, Indonesia (S.M.)
- Drug Development Study Centre, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia
| | - Aliya Nur Hasanah
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Jl. Raya Bandung Sumedang KM 21, 5, Jatinangor, Sumedang 45363, Indonesia (S.M.)
- Drug Development Study Centre, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia
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Hu S, Liu Y, Wei L, Luo D, Wu Q, Huang X, Xiao T. Recent advances in clay minerals for groundwater pollution control and remediation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:24724-24744. [PMID: 38503955 DOI: 10.1007/s11356-024-32911-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 03/10/2024] [Indexed: 03/21/2024]
Abstract
Clay minerals are abundant on Earth and have been crucial to the advancement of human civilization. The ability of clay minerals to absorb chemicals is frequently utilized to remove hazardous compounds from aquatic environments. Moreover, clay-based adsorbent products are both environmentally acceptable and affordable. This study provides an overview of advances in clay minerals in the field of groundwater remediation and related predictions. The existing literature was examined using data and information aggregation approaches. Keyword clustering analysis of the relevant literature revealed that clay minerals are associated with groundwater utilization and soil pollution remediation. Principal component analysis was used to assess the relationships among clay mineral modification methods, pollutant properties, and the Langmuir adsorption capacity (Qmax). The results demonstrated that pollutant properties affect the Qmax of pollutants adsorbed by clay minerals. Systematic cluster analysis was utilized to classify the collected data and investigate the relationships. The pollution adsorption mechanism of the unique structure of clay minerals was investigated based on the characterization results. Modified clay minerals exhibited changes in surface functional groups, internal structure, and pHpzc. This review provides a summary of recent clay-based materials and their applications in groundwater remediation, as well as discussions of their challenges and future prospects.
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Affiliation(s)
- Simin Hu
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Yu Liu
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China.
- Linköping University-Guangzhou University Research Center On Urban Sustainable Development, Guangzhou University, Guangzhou, 510006, China.
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou, 510006, China.
| | - Lezhang Wei
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
- Linköping University-Guangzhou University Research Center On Urban Sustainable Development, Guangzhou University, Guangzhou, 510006, China
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou, 510006, China
| | - Dinggui Luo
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou, 510006, China
| | - Qihang Wu
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou, 510006, China
| | - Xuexia Huang
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou, 510006, China
| | - Tangfu Xiao
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou, 510006, China
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22
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Hossain MS, Okino T. Cyanoremediation of heavy metals (As(v), Cd(ii), Cr(vi), Pb(ii)) by live cyanobacteria ( Anabaena variabilis, and Synechocystis sp.): an eco-sustainable technology. RSC Adv 2024; 14:10452-10463. [PMID: 38567320 PMCID: PMC10986677 DOI: 10.1039/d4ra00409d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 03/16/2024] [Indexed: 04/04/2024] Open
Abstract
The cyanoremediation technique for heavy metal (HM) removal from wastewater using live cyanobacteria is promising to reduce the pollution risk both for the environment and human health. In this study, two widely recognized freshwater cyanobacteria, Anabaena variabilis and Synechocystis sp., were used to explore their efficacy in HM (As(v), Cd(ii), Cr(vi), Pb(ii)) removal. The different optimum adsorption conditions were pH 8 and 7.5 for A. variabilis and Synechocystis sp., respectively, but the temperature (25 °C) and contact time (48 hours) were the same for both strains. Under these specified conditions, A. variabilis exhibited the capability to remove 25% of As(v), 78% of Cd(ii), 54% of Cr(vi), and 17% of Pb(ii), whereas Synechocystis sp. removed 77% of As(v), 57% of Cd(ii), 91% of Cr(vi), and 77% of Pb(ii) at different initial concentrations. Metal diversity interfered negatively with cyanobacterial growth, especially Cd(ii) and As(v), as measured by OD730, dry biomass, chlorophyll a, and carotenoid production for both strains. Fourier transform infrared spectrum (FT-IR) analysis revealed the existence of diverse surface binding sites for HM adsorption, stemming from proteins and polysaccharides. Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray Spectroscopy (EDS) confirmed the presence of HMs on the surface of the cyanobacterial cells. Finally, the zeta potential results indicating alterations in the surface negative charges elucidated the adsorption mechanisms involved in the HM removal by both cyanobacteria. These results provided a comprehensive understanding of the HM adsorption mechanism by cyanobacteria, offering valuable theoretical insights that can be extrapolated to enhance our comprehension of the cyanoremediation mechanisms by various other cyanobacterial strains.
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Affiliation(s)
- Md Sabbir Hossain
- Graduate School of Environmental Science, Hokkaido University Sapporo 060-0810 Japan
- Department of Environmental Science and Technology, Jashore University of Science and Technology Jashore-7408 Bangladesh
| | - Tatsufumi Okino
- Graduate School of Environmental Science, Hokkaido University Sapporo 060-0810 Japan
- Faculty of Environmental Earth Science, Hokkaido University Sapporo 060-0810 Japan
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Afzal A, Mahreen N. Emerging insights into the impacts of heavy metals exposure on health, reproductive and productive performance of livestock. Front Pharmacol 2024; 15:1375137. [PMID: 38567355 PMCID: PMC10985271 DOI: 10.3389/fphar.2024.1375137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 03/04/2024] [Indexed: 04/04/2024] Open
Abstract
Heavy metals, common environmental pollutants with widespread distribution hazards and several health problems linked to them are distinguished from other toxic compounds by their bioaccumulation in living organisms. They pollute the food chain and threaten the health of animals. Biologically, heavy metals exhibit both beneficial and harmful effects. Certain essential heavy metals such as Co, Mn, Se, Zn, and Mg play crucial roles in vital physiological processes in trace amounts, while others like As, Pb, Hg, Cd, and Cu are widely recognized for their toxic properties. Regardless of their physiological functions, an excess intake of all heavy metals beyond the tolerance limit can lead to toxicity. Animals face exposure to heavy metals through contaminated feed and water, primarily as a result of anthropogenic environmental pollution. After ingestion heavy metals persist in the body for an extended duration and the nature of exposure dictates whether they induce acute or chronic, clinical or subclinical, or subtle toxicities. The toxic effects of metals lead to disruption of cellular homeostasis through the generation of free radicals that develop oxidative stress. In cases of acute heavy metal poisoning, characteristic clinical symptoms may arise, potentially culminating in the death of animals with corresponding necropsy findings. Chronic toxicities manifest as a decline in overall body condition scoring and a decrease in the production potential of animals. Elevated heavy metal levels in consumable animal products raise public health concerns. Timely diagnosis, targeted antidotes, and management strategies can significantly mitigate heavy metal impact on livestock health, productivity, and reproductive performance.
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Affiliation(s)
- Ali Afzal
- Animal Sciences Division, Nuclear Institute for Agriculture and Biology College (NIAB-C), Pakistan Institute of Engineering and Applied Sciences (PIEAS), Faisalabad, Pakistan
- School of Zoology, Minhaj University Lahore, Lahore, Pakistan
| | - Naima Mahreen
- National Institute for Biotechnology and Genetics Engineering College (NIBGE-C), Pakistan Institute of Engineering and Applied Sciences (PIEAS), Faisalabad, Pakistan
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24
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Alipour E, Aghapour AA, Bahrami Asl F. Concentration, spatial distribution, and non-carcinogenic risk assessment of arsenic, cadmium, chromium, and lead in drinking water in rural areas of eight cities of West Azarbaijan province, Iran. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:20222-20233. [PMID: 38369658 DOI: 10.1007/s11356-024-32433-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 02/07/2024] [Indexed: 02/20/2024]
Abstract
Exposure to heavy metals through drinking water can cause significant adverse health effects. The aim of the present study was to investigate the concentration, spatial distribution, and assessment of non-carcinogenic risk attributed to exposure to arsenic (As), chromium (Cr), cadmium (Cd), and lead (Pb) in rural areas of eight cities of the West Azerbaijan province of Iran. Eighty-five water samples were taken from randomly selected drinking water wells in the rural areas, and the concentration of the heavy metals was measured by using standard methods. The concentration distribution maps were drawn, and the non-carcinogenic health risks for ingestion and dermal exposure pathways were calculated in four age groups (including infants, children, teenagers, and adults). According to the obtained results, arsenic is considered as the most worrying pollutant among the investigated heavy metals. The maximum measured concentration for arsenic was 371.9 μg/L, which is 37 times the maximum permissible limit. The results of the health risk assessment illustrate that exposure to heavy metals via dermal contact do not pose significant non-carcinogenic risks. However, the calculated non-carcinogenic risks for oral exposure to arsenic were very high and concerning. The highest hazard quotient for oral exposure to arsenic was related to rural of city G (82.64). It is recommended to take the necessary measures as soon as possible regarding the supply of safe drinking water in the studied areas.
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Affiliation(s)
- Elnaz Alipour
- Department of Environmental Health Engineering, School of Public Health, Urmia University of Medical Sciences, Urmia, Iran
| | - Ali Ahmad Aghapour
- Department of Environmental Health Engineering, School of Public Health, Urmia University of Medical Sciences, Urmia, Iran
| | - Farshad Bahrami Asl
- Department of Environmental Health Engineering, School of Public Health, Urmia University of Medical Sciences, Urmia, Iran.
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25
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Bharat AP, Singh AK, Mahato MK. Heavy metal geochemistry and toxicity assessment of water environment from Ib valley coalfield, India: Implications to contaminant source apportionment and human health risks. CHEMOSPHERE 2024; 352:141452. [PMID: 38354867 DOI: 10.1016/j.chemosphere.2024.141452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 10/30/2023] [Accepted: 02/10/2024] [Indexed: 02/16/2024]
Abstract
The present study aims to investigate the hydrogeochemical evolution of heavy metals and assesses impacts of mining activities on the groundwater resources and potential human health risks in the coal mining areas of Ib valley coalfield. In this perspective, a total of one hundred and two mine water and groundwater samples were collected from different locations. The water samples were analysed for some selected heavy metals i.e. Mn, Cu, Pb, Zn, Ni, Co, As, Se, Al, Sr, Ba, Cd, Cr, V and Fe using ICP-MS. In addition, pH and SO42- concentration were also measured following APHA procedure. The water pH in the Ib valley coalfields ranged from 3.26 to 8.18 for mine water and 5.23 to 8.52 for groundwater, indicating acidic to alkaline nature of water. Mn in mine water and Zn in groundwater environment were observed as the most dominant metals. The water hazard index (WHI) reflects that around 80% of mine water are non-toxic (WHI<5), 5% slightly toxic (510) and 15% extremely toxic (WHI>15). Relatively high pH and low concentration of dissolved metals and SO42- in groundwater as compared to mine water indicate lesser impact of mining activities. The calculated drinking water quality index (DWQI) suggests that Mn, Al, Ni and Fe in mine water and Mn, Fe, Ni and Pb in groundwater were the major objectionable metals which caused the water quality deterioration for drinking uses. Further, the non-carcinogenic health risk assessment for adult male, female and child populations identifies Co, Mn, Ni as the key elements making the water hazardous for human health. Comparatively higher ratio of ingestion rate and body weight in child population might be causing higher health risks in child population as compared to adult male and adult female population.
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Affiliation(s)
- Abhishek Pandey Bharat
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India; CSIR-Central Institute of Mining and Fuel Research, Dhanbad 826001, Jharkhand, India.
| | - Abhay Kumar Singh
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India; CSIR-Central Institute of Mining and Fuel Research, Dhanbad 826001, Jharkhand, India
| | - Mukesh Kumar Mahato
- Department of Environmental Studies, Lakshmibai College, University of Delhi, India
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Chen Q, Wu L, Zhou C, Liu G, Yao L. A study of environmental pollution and risk of heavy metals in the bottom water and sediment of the Chaohu Lake, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:19658-19673. [PMID: 38361101 DOI: 10.1007/s11356-024-32141-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 01/18/2024] [Indexed: 02/17/2024]
Abstract
Most of the existing research for heavy metals in water at present is focusing on surface water. However, potential environmental risk of heavy metals in the bottom water of lakes cannot be ignored. In this study, the content, distribution, and speciation of nine heavy metals (As, V, Cr, Co, Ni, Cu, Zn, Cd, and Pb) in the bottom water and sediment of Chaohu Lake were studied. Some pollution assessment methods were used to evaluate the environmental effect of heavy metals. Positive matrix factorization was conducted to investigate the potential sources of heavy metals in sediment. The contents of heavy metals in the bottom water of Chaohu Lake mean that its environmental pollution can be ignored. In sediment, Cd and Zn have showed stronger ecological risk. pH and redox potential are more likely to affect the stability of heavy metals in the bottom water of Chaohu Lake during the dry reason. Industrial sources (16%) are no longer the largest source of heavy metal pollution; traffic sources (33.6%) and agricultural sources (23.4%) have become the main sources of pollution at present. This study can provide some support and suggestions for the treatment of heavy metals in lakes.
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Affiliation(s)
- Qiang Chen
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, 230009, Anhui, China
| | - Lei Wu
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, 230009, Anhui, China.
- Anhui Provincial Academy of Eco-Environmental Science Research, Hefei, 230061, Anhui, China.
- CAS Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, Anhui, China.
| | - Chuncai Zhou
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, 230009, Anhui, China
| | - Gang Liu
- Chaohu Administration Environmental Protection Monitoring Station, Hefei, 238000, Anhui, China
| | - Long Yao
- Chaohu Administration Environmental Protection Monitoring Station, Hefei, 238000, Anhui, China
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Aryal P, Hefner C, Martinez B, Henry CS. Microfluidics in environmental analysis: advancements, challenges, and future prospects for rapid and efficient monitoring. LAB ON A CHIP 2024; 24:1175-1206. [PMID: 38165815 DOI: 10.1039/d3lc00871a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2024]
Abstract
Microfluidic devices have emerged as advantageous tools for detecting environmental contaminants due to their portability, ease of use, cost-effectiveness, and rapid response capabilities. These devices have wide-ranging applications in environmental monitoring of air, water, and soil matrices, and have also been applied to agricultural monitoring. Although several previous reviews have explored microfluidic devices' utility, this paper presents an up-to-date account of the latest advancements in this field for environmental monitoring, looking back at the past five years. In this review, we discuss devices for prominent contaminants such as heavy metals, pesticides, nutrients, microorganisms, per- and polyfluoroalkyl substances (PFAS), etc. We cover numerous detection methods (electrochemical, colorimetric, fluorescent, etc.) and critically assess the current state of microfluidic devices for environmental monitoring, highlighting both their successes and limitations. Moreover, we propose potential strategies to mitigate these limitations and offer valuable insights into future research and development directions.
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Affiliation(s)
- Prakash Aryal
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, USA.
| | - Claire Hefner
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, USA.
| | - Brandaise Martinez
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, USA.
| | - Charles S Henry
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, USA.
- Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, Colorado 80523, USA
- School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado 80523, USA
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Bangkok 10330, Thailand
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28
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Nguyen VT, Le VA, Do QH, Le TNC, Vo TDH. Emerging revolving algae biofilm system for algal biomass production and nutrient recovery from wastewater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168911. [PMID: 38016564 DOI: 10.1016/j.scitotenv.2023.168911] [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: 09/03/2023] [Revised: 11/06/2023] [Accepted: 11/24/2023] [Indexed: 11/30/2023]
Abstract
Toward the direction of zero‑carbon emission and green technologies for wastewater treatment, algae-based technologies are considered promising candidates to deal with the current situation of pollution and climate change. Recent developments of algae-based technologies have been introduced in previous studies in which their performances were optimized for wastewater treatment and biomass production. Among these, revolving algae biofilm (RAB) reactors have been proven to have a great potential in high biomass productivity, simple harvesting method, great CO2 transfer rate, high light-use efficiency, heavy metal capture, nutrient removal, and acid mine drainage treatment in previous studies. However, there were few articles detailing RAB performance, which concealed its enormous potential and diminished interest in the model. Hence, this review aims to reveal the major benefit of RAB reactors in simultaneous wastewater treatment and biomass cultivation. However, there is still a lack of research on aspects to upgrade this technology which requires further investigations to improve performance or fulfill the concept of circular economy.
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Affiliation(s)
- Van-Truc Nguyen
- Faculty of Environment, Saigon University, Ho Chi Minh City 700000, Viet Nam.
| | - Vu-Anh Le
- Department of Environmental Engineering, Zhongli District, Chung Yuan Christian University, No. 200, Zhongbei Road, Taoyuan City 32023, Taiwan
| | - Quoc-Hoang Do
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan
| | - Thi-Ngoc-Chau Le
- Institute for Environment and Resources (IER), Ho Chi Minh City 700000, Viet Nam; Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City 700000, Viet Nam.
| | - Thi-Dieu-Hien Vo
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City 700000, Viet Nam.
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Viotti P, Marzeddu S, Antonucci A, Décima MA, Lovascio P, Tatti F, Boni MR. Biochar as Alternative Material for Heavy Metal Adsorption from Groundwaters: Lab-Scale (Column) Experiment Review. MATERIALS (BASEL, SWITZERLAND) 2024; 17:809. [PMID: 38399060 PMCID: PMC10890072 DOI: 10.3390/ma17040809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 01/22/2024] [Accepted: 01/31/2024] [Indexed: 02/25/2024]
Abstract
The purpose of this manuscript is to present a review of laboratory experiments (including methodology and results) that use biochar, a specific carbon obtained by a pyrolysis process from different feedstocks, as an alternative material for heavy metal adsorption from groundwater. In recent years, many studies have been conducted regarding the application of innovative materials to water decontamination to develop a more sustainable approach to remediation processes. The use of biochar for groundwater remediation has particularly attracted the interest of researchers because it permits the reuse of materials that would be otherwise disposed of, in accordance with circular economy, and reduces the generation of greenhouse gases if compared to the use of virgin materials. A review of the different approaches and results reported in the current literature could be useful because when applying remediation technologies at the field scale, a preliminary phase in which the suitability of the adsorbent is evaluated at the lab scale is often necessary. This paper is therefore organised with a short description of the involved metals and of the biochar production and composition. A comprehensive analysis of the current knowledge related to the use of biochar in groundwater remediation at the laboratory scale to obtain the characteristic parameters of the process that are necessary for the upscaling of the technology at the field scale is also presented. An overview of the results achieved using different experimental conditions, such as the chemical properties and dosage of biochar as well as heavy metal concentrations with their different values of pH, is reported. At the end, numerical studies useful for the interpretation of the experiment results are introduced.
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Affiliation(s)
- Paolo Viotti
- Department of Civil, Building and Environmental Engineering (DICEA), Faculty of Civil and Industrial Engineering, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
| | - Simone Marzeddu
- Department of Civil, Building and Environmental Engineering (DICEA), Faculty of Civil and Industrial Engineering, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
| | - Angela Antonucci
- Department of Civil, Building and Environmental Engineering (DICEA), Faculty of Civil and Industrial Engineering, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
| | - María Alejandra Décima
- Department of Civil, Building and Environmental Engineering (DICEA), Faculty of Civil and Industrial Engineering, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
| | - Pietro Lovascio
- Department of Civil, Building and Environmental Engineering (DICEA), Faculty of Civil and Industrial Engineering, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
| | - Fabio Tatti
- National Centre of Waste and Circular Economy, Italian Institute for Environmental Protection and Research (ISPRA), Via Vitaliano Brancati 48, 00144 Rome, Italy
| | - Maria Rosaria Boni
- Department of Civil, Building and Environmental Engineering (DICEA), Faculty of Civil and Industrial Engineering, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
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30
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Yang K, Liu Y, Zhang M. The Diverse Roles of Reactive Astrocytes in the Pathogenesis of Amyotrophic Lateral Sclerosis. Brain Sci 2024; 14:158. [PMID: 38391732 PMCID: PMC10886687 DOI: 10.3390/brainsci14020158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/17/2024] [Accepted: 01/29/2024] [Indexed: 02/24/2024] Open
Abstract
Astrocytes displaying reactive phenotypes are characterized by their ability to remodel morphologically, molecularly, and functionally in response to pathological stimuli. This process results in the loss of their typical astrocyte functions and the acquisition of neurotoxic or neuroprotective roles. A growing body of research indicates that these reactive astrocytes play a pivotal role in the pathogenesis of amyotrophic lateral sclerosis (ALS), involving calcium homeostasis imbalance, mitochondrial dysfunction, abnormal lipid and lactate metabolism, glutamate excitotoxicity, etc. This review summarizes the characteristics of reactive astrocytes, their role in the pathogenesis of ALS, and recent advancements in astrocyte-targeting strategies.
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Affiliation(s)
- Kangqin Yang
- Department of Neurology and Psychiatry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yang Liu
- Department of Neurology and Psychiatry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Min Zhang
- Department of Neurology and Psychiatry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Key Laboratory of Neural Injury and Functional Reconstruction, Huazhong University of Science and Technology, Wuhan 430030, China
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31
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Zhang Q, Li Y, Kong Q, Huang H. Coupling coordination analysis and key factors between urbanization and water resources in ecologically fragile areas: a case study of the Yellow River Basin, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:10818-10837. [PMID: 38214858 DOI: 10.1007/s11356-024-31900-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 01/03/2024] [Indexed: 01/13/2024]
Abstract
The rapid urbanization (UR) and industrialization in the Yellow River Basin (YRB) have resulted in a significant scarcity of water resources (WRs), highlighting the need to investigate the complex and dynamic relationship between UR and WR for sustainable urban development in ecologically fragile areas. This study utilizes the coupling coordination degree model (CCDM), spatial correlation analysis, and Tobit model to examine the coupling coordination relationship, spatial effects, and key factors between UR and WR in sixty prefecture-level cities within the YRB. The empirical findings reveal that the development of the WR subsystem lags behind the UR subsystem and that there is a significant spatial disequilibrium in the CCD between UR and WR. Specifically, the high-high clusters are located in the northwest and east, while the low-low clusters are spread in the southwest. Furthermore, investment in science and technology and economic development have a positive impact on the CCD, while government capacity, urban construction, and industrial structure have a negative impact. These results can provide valuable guidance for decision-making in urban planning for ecologically fragile areas facing water supply constraints.
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Affiliation(s)
- Qiufeng Zhang
- College of Management Science, Chengdu University of Technology, Chengdu, 610059, Sichuan, China
| | - Yue Li
- College of Management Science, Chengdu University of Technology, Chengdu, 610059, Sichuan, China
| | - Qingshen Kong
- College of Business, Chengdu University of Technology, Chengdu, 610059, Sichuan, China
| | - Huan Huang
- College of Business, Chengdu University of Technology, Chengdu, 610059, Sichuan, China.
- Digital Hu Huanyong Line Research Institute, Chengdu University of Technology, Chengdu, 610059, Sichuan, China.
- Yangtze River Economic Belt Research Institution of RUC, Yibin, 644000, Sichuan, China.
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32
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Zhao Z, Chen J, Gao S, Lu T, Li L, Farooq U, Gang S, Lv M, Qi Z. Low-molecular-weight aromatic acids mediated the adsorption of Cd 2+ onto biochars: effects and mechanisms. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:15597-15610. [PMID: 38300497 DOI: 10.1007/s11356-024-32253-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 01/25/2024] [Indexed: 02/02/2024]
Abstract
Low-molecular-weight aromatic acids (LWMAAs), a ubiquitous organic substance in natural systems, are important in controlling the environmental fate of potentially toxic metals. However, little is known about the effects of LWMAAs on the interactions between biochars and potentially toxic metals. Herein, the influences of three aromatic acids, including benzoic acid (BA), p-hydroxy benzoic acid (PHBA), and syringic acid (SA), on the adsorption of Cd2+ onto biochars generated at three different pyrolysis temperatures under acidic and neutral conditions were examined. Generally, the adsorption ability of biochars for Cd2+ improved with the increase of pyrolysis temperature, which was ascribed to the increased inorganic element contents (e.g., P, S, and Si) and aromaticity, increasing the complexation between mineral anions and metal ions, and the enhanced cation-π interaction. Interestingly, aromatic acids considerably inhibited the adsorption of Cd2+ onto biochars, which was mainly ascribed to multi-mechanisms, including competition of LWMAA molecules and metal ions for adsorption sites, the pore blocking effect, the weakened interaction between mineral anions and Cd2+ induced by the adsorbed aromatic acids, and the formation of water-soluble metal-aromatic acid complexes. Furthermore, the inhibitory effects of LWMAAs on Cd2+ adsorption intensively depended on the aromatic acid type and followed the order of SA > PHBA > BA. This trend was related to the differences in the physicochemical features (e.g., the octanol/water partition coefficient (log Kow) and molecular size) of diverse LMWAAs. The results of this study demonstrate that the effects of coexisting LMWAAs should not be ignored when biochars are applied in soil remediation and wastewater treatment.
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Affiliation(s)
- Zhiqiang Zhao
- Shandong Engineering Research Center for Environmental Protection and Remediation on Groundwater, No. 801 Hydrogeology and Engineering Geology Brigade, Shandong Provincial Bureau of Geology & Mineral Resources, Jinan, 250353, China
| | - Jiuyan Chen
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, 475004, China
| | - Shuai Gao
- Shandong Engineering Research Center for Environmental Protection and Remediation on Groundwater, No. 801 Hydrogeology and Engineering Geology Brigade, Shandong Provincial Bureau of Geology & Mineral Resources, Jinan, 250353, China
| | - Taotao Lu
- College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, 225009, China
| | - Lixia Li
- Shandong Engineering Research Center for Environmental Protection and Remediation on Groundwater, No. 801 Hydrogeology and Engineering Geology Brigade, Shandong Provincial Bureau of Geology & Mineral Resources, Jinan, 250353, China
| | - Usman Farooq
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, 475004, China
| | - Shenting Gang
- Shandong Engineering Research Center for Environmental Protection and Remediation on Groundwater, No. 801 Hydrogeology and Engineering Geology Brigade, Shandong Provincial Bureau of Geology & Mineral Resources, Jinan, 250353, China
| | - Minghui Lv
- Shandong Engineering Research Center for Environmental Protection and Remediation on Groundwater, No. 801 Hydrogeology and Engineering Geology Brigade, Shandong Provincial Bureau of Geology & Mineral Resources, Jinan, 250353, China
| | - Zhichong Qi
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, 475004, China.
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Ghosh S, Pal S. Anthropogenic impacts on urban blue space and its reciprocal effect on human and socio-ecological health. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 351:119727. [PMID: 38070422 DOI: 10.1016/j.jenvman.2023.119727] [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: 08/21/2023] [Revised: 11/10/2023] [Accepted: 11/25/2023] [Indexed: 01/14/2024]
Abstract
Quantifying anthropogenic impacts on blue space (BS) and its effect on human and socio-ecological health was least explored. The present study aimed to do this in reference to the urban BS transformation scenario of Eastern India. To measure BS transformation, Landsat image-based water indices were run from 1990 to 2021. Anthropogenic impact score (AIS) and 7 components scores of 78 selected BS on 70 parameters related data driven from the field. Total 345 respondents were taken for human and socio-ecological health assessment. For this, depression (DEP), anxiety (ANX), stress (STR), physical activities (PA), social capital (SC), therapeutic landscape (TL) and environment building (EB) parameters were taken. The result exhibited that BS was reduced. About 50% of urban core BS was reported highly impacted. Human and socio-ecological health was identified as good in proximity to BS, but it was observed better in the cases of larger peripheral BS. AIS on BS was found to be positively associated with mental health (0.47-0.63) and negatively associated with PA, SC, TL and EB (-0.50 to -0.90). Standard residual in ordinary least square was reported low (-1.5 to 1.5) in 95% BS. Therefore, BS health restoration and management is crucial for sustaining the living environment.
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Affiliation(s)
- Susmita Ghosh
- Department of Geography, University of Gour Banga, Malda, India.
| | - Swades Pal
- Department of Geography, University of Gour Banga, Malda, India.
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Nie J, Guo L, Liu Y, Deng N, Hu Z, Zheng P, Lau C. Heavy metals high-sensitive detection by laser-induced breakdown spectroscopy based on radial electroosmotic flow-driven enrichment. Talanta 2024; 267:125199. [PMID: 37717536 DOI: 10.1016/j.talanta.2023.125199] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 09/01/2023] [Accepted: 09/11/2023] [Indexed: 09/19/2023]
Abstract
Heavy metal detection is imperative for human health and environmental sustainability. However, the commonly used liquid sample pretreatment, drying liquid droplet to solid, encounters solute diffusion and nonuniform distribution, thus causing unpromising detection results. Here, we developed a radial electroosmotic flow-driven (REOF) platform to enrich heavy metals in water for high-sensitive detection using laser-induced breakdown spectroscopy (LIBS). Firstly, the electrodes in the substate for REOF were designed and produced by the printed circuit board manufacturer. Different particle deposition patterns were observed by modifying the direction and magnitude of voltage in the evaporated droplets of Cadmium Chloride (CdCl2) on the substrate. Then, the two-dimensional model of the evaporating droplets with REOF was established to verify the experimental phenomenon. The CdCl2 (10-50 mg/L) and Manganese Chloride (MnCl2, 1-8 mg/L) solutions were quantitatively analyzed with the optimized parameter on the substrate by LIBS. The detection limits of Ca and Mn can be reduced by approximately 42 times with REOF substrates by LIBS. Finally, the Mn in the real underground water sample was tested with the REOF substrate by LIBS, and the relative error was 5.5% compared with the results of ICP-MS. The results demonstrated that the REOF can enrich and uniformly distribute the solute on the substrate, and be helpful for the analysis of heavy metals in solution with LIBS.
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Affiliation(s)
- Junfei Nie
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China; Hunan Provincial Key Laboratory of Girds Operation and Control on Multi-Power Sources Area, Shaoyang University, Shaoyang, Hunan, 422000, China
| | - Lianbo Guo
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China.
| | - Yuanchao Liu
- Department of Physics, City University of Hong Kong, Kowloon, 999077, Hong Kong SAR, China.
| | - Nan Deng
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China
| | - ZhenLin Hu
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China
| | - Peichao Zheng
- Chongqing Municipal Level Key Laboratory of Photoelectronic Information Sensing and Transmitting Technology, College of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing, 400000, China
| | - Condon Lau
- Department of Physics, City University of Hong Kong, Kowloon, 999077, Hong Kong SAR, China
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35
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Ni R, Chu X, Liu R, Shan J, Tian Y, Zhao W. Chromium immobilization and release by pipe scales in drinking water distribution systems: The impact of anions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167600. [PMID: 37802346 DOI: 10.1016/j.scitotenv.2023.167600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 09/26/2023] [Accepted: 10/03/2023] [Indexed: 10/08/2023]
Abstract
Due to its high toxicity, the release of chromium (Cr) by pipe scales poses a serious risk to drinking water quality and human health. This study looked into how Cr immobilized and released by pipe scales. SEM, XRD, and XPS were applied to evaluate the physicochemical characterization of pipe scales. To identify times of immobilization and release and the proper scale to water ratio, the behaviors of Cr were examined in stagnation experiments. Afterward, the common anions in drinking water were designed as nine concentration gradients to explore their species and concentrations impacts on the immobilization and release process of Cr. It is worth mentioning that the pipe scales were classified into block pipe scales, lumpy pipe scales, and powder pipe scales in this experiment. The types of pipe scales were rarely considered as an influencing factor. Results revealed that in contrast to powder pipe scales, block pipe scales and lumpy pipe scales exhibited extremely comparable trends. Specifically, in terms of accumulation capacity, the order from largest to smallest was powder pipe scales, lumpy pipe scales, and block pipe scales. However, the potential of Cr release from block pipe scales was the highest, indicating a high danger of heavy metal re-release in actual circumstances. Findings from this study discovered the turning points of chloride and sulfate concentrations associated with the pipe scales species in the anion-promoted release. These results provide insight into the relationship between pipe scales and Cr in drinking water distribution systems (DWDS).
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Affiliation(s)
- Ruoling Ni
- School of Environmental Science and Engineering, Tianjin University, 135 Yaguan Road, Jinnan District, Tianjin 300350, China
| | - Xianxian Chu
- School of Environmental Science and Engineering, Tianjin University, 135 Yaguan Road, Jinnan District, Tianjin 300350, China
| | - Ran Liu
- School of Environmental Science and Engineering, Tianjin University, 135 Yaguan Road, Jinnan District, Tianjin 300350, China
| | - Jinlin Shan
- School of Environmental Science and Engineering, Tianjin University, 135 Yaguan Road, Jinnan District, Tianjin 300350, China
| | - Yimei Tian
- School of Environmental Science and Engineering, Tianjin University, 135 Yaguan Road, Jinnan District, Tianjin 300350, China.
| | - Weigao Zhao
- School of Environmental Science and Engineering, Tianjin University, 135 Yaguan Road, Jinnan District, Tianjin 300350, China.
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36
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Das Pinkey P, Nesha M, Bhattacharjee S, Chowdhury MAZ, Fardous Z, Bari L, Koley NJ. Toxicity risks associated with heavy metals to fish species in the Transboundary River - Linked Ramsar Conservation Site of Tanguar Haor, Bangladesh. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 269:115736. [PMID: 38039850 DOI: 10.1016/j.ecoenv.2023.115736] [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: 08/11/2023] [Revised: 11/20/2023] [Accepted: 11/22/2023] [Indexed: 12/03/2023]
Abstract
The presence of trace metals in aquatic ecosystems can have detrimental effects on fish survival. The Tanguar haor, a Ramsar conservation wetland, receives sediment and water from multiple transboundary rivers. However, there have been limited studies on the metal concentrations in fish species in this sediment-rich wetland. This study aimed to analyze the concentrations of iron (Fe), manganese (Mn), chromium (Cr), copper (Cu), zinc (Zn), cadmium (Cd), and lead (Pb) in water, sediment, and fish tissues. Higher concentrations of Cd and Pb were found in the water and sediment. All these metals were detected in eight fish species, including benthic and pelagic species. Among them, Systomus sarana, a pelagic fish that also consumes benthic organisms, exhibited a higher metal pollution index than other fish, particularly benthic species. The release of higher metal concentrations from sediment into the water has the potential to impact the accumulation of metals in fish. SYNOPSIS: This study on metal concentrations in fish species will aid policymaking on ecotoxicology research for transboundary river-connected wetlands.
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Affiliation(s)
- Priyanka Das Pinkey
- Department of Environmental Science & Management, North South University, Dhaka, Bangladesh
| | - Meherun Nesha
- Agrochemical and Environmental Research Division, Institute of Food and Radiation Biology, Atomic Energy Research Establishment, Ganakbari, Savar, Bangladesh
| | - Shubhra Bhattacharjee
- Department of Civil Environmental and Construction Engineering, Texas Tech University, TX, USA.
| | - Muhammed Alamgir Zaman Chowdhury
- Agrochemical and Environmental Research Division, Institute of Food and Radiation Biology, Atomic Energy Research Establishment, Ganakbari, Savar, Bangladesh
| | - Zeenath Fardous
- Agrochemical and Environmental Research Division, Institute of Food and Radiation Biology, Atomic Energy Research Establishment, Ganakbari, Savar, Bangladesh
| | - Latiful Bari
- Food Nutrition and Agricultural Research Laboratory, Centre for Advanced Research in Sciences, University of Dhaka, Dhaka 1000, Bangladesh
| | - Nusrat Jahan Koley
- Department of Geography and Environment, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
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37
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Padilla JT, Watts DW, Szogi AA, Johnson MG. Evaluation of a pH- and time-dependent model for the sorption of heavy metal cations by poultry litter-derived biochar. CHEMOSPHERE 2024; 347:140688. [PMID: 37977530 PMCID: PMC10764054 DOI: 10.1016/j.chemosphere.2023.140688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/06/2023] [Accepted: 11/09/2023] [Indexed: 11/19/2023]
Abstract
Common isotherm and kinetic models cannot describe the pH-dependent sorption of heavy metal cations by biochar. In this paper, we evaluated a pH-dependent, equilibrium/kinetic model for describing the sorption of cadmium (Cd), copper (Cu), nickel (Ni), lead (Pb), and zinc (Zn) by poultry litter-derived biochar (PLB). We performed sorption experiments across a range of solution pH, initial metal concentration, and reaction time. The sorption of all five metals increased with increasing pH. For Cd, Cu, and Pb, kinetics experiments demonstrated that sorption rates were greater at pH 6.5 than at pH 4.5. For each metal, all sorption data were described using single set of four adjustable parameters. Sorption edge and isotherm data were well described with R2 > 0.93 in all cases. Time-dependent sorption was well described (R2 ≥ 0.90) for all metals except Pb (R2 = 0.77). We then used the best-fit model parameters to calculate linear distribution coefficients (KD) and equilibration times as a function of pH and initial solution concentration. These calculations provide a more robust way of characterizing biochar affinity for metal cations than Freundlich distribution coefficients or Langmuir sorption capacity. Because this model can characterize metal cation sorption by biochar across a wider range of reaction conditions than traditional isotherm or kinetic models, it is better suited for estimating metal cation/biochar interactions in engineered or natural systems.
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Affiliation(s)
- Joshua T Padilla
- Coastal Plains Soil, Water and Plant Research Center, United States Department of Agriculture, Agricultural Research Service, 2611 West Lucas St., Florence, SC, 29501, USA.
| | - Donald W Watts
- Coastal Plains Soil, Water and Plant Research Center, United States Department of Agriculture, Agricultural Research Service, 2611 West Lucas St., Florence, SC, 29501, USA
| | - Ariel A Szogi
- Coastal Plains Soil, Water and Plant Research Center, United States Department of Agriculture, Agricultural Research Service, 2611 West Lucas St., Florence, SC, 29501, USA
| | - Mark G Johnson
- Center for Public Health and Environmental Assessment, United States Environmental Protection Agency, 200 SW 35th St., Corvallis, OR, 97331, USA
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38
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McGarrity M, Zhao F. Graphene-Based Chemiresistor Sensors for Drinking Water Quality Monitoring. SENSORS (BASEL, SWITZERLAND) 2023; 23:9828. [PMID: 38139674 PMCID: PMC10747892 DOI: 10.3390/s23249828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/03/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023]
Abstract
Monitoring the quality of drinking water is a crucial responsibility for all water infrastructure networks, as it guarantees access to clean water for the communities they serve. With water infrastructure deteriorating due to age and neglect, drinking water violations are on the rise in the US, underscoring the need for improved monitoring capabilities. Among the different sensor technologies, graphene-based chemiresistors have emerged as a promising technology for water quality monitoring due to advantages such as simple design, sensitivity, and selectivity. This review paper provides an overview of recent advances in the development of graphene-based chemiresistors for water quality monitoring, including principles of chemiresistive sensing, sensor design and functionalization, and performance of devices reported in the literature. The paper also discusses challenges and opportunities in the field and highlights future research directions. The development of graphene-based chemiresistors has the potential to revolutionize water quality monitoring by providing highly sensitive and cost-effective sensors that can be integrated into existing infrastructure for real-time monitoring.
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Affiliation(s)
| | - Feng Zhao
- Micro/Nanoelectronic and Energy Laboratory, School of Engineering and Computer Science, Washington State University, Vancouver, WA 98686, USA;
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39
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Saeed O, Székács A, Jordán G, Mörtl M, Abukhadra MR, Eid MH. Investigating the impacts of heavy metal(loid)s on ecology and human health in the lower basin of Hungary's Danube River: A Python and Monte Carlo simulation-based study. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:9757-9784. [PMID: 37843689 PMCID: PMC10673977 DOI: 10.1007/s10653-023-01769-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 09/24/2023] [Indexed: 10/17/2023]
Abstract
This study aimed to determine the environmental and health risks of the heavy metal levels in the Danube River in Hungary. The metals, including Fe, Mn, Zn, Cu, Ni, Cr, Pb, and As, were measured in the period from 2013 to 2019. The Spearman correlation and heatmap cluster analysis were utilized to determine the origin of pollution and the factors that control surface water quality. Several indices, such as the heavy metal pollution index (HPI), metal index (MI), hazard quotient oral and dermal (HQ), hazard index oral and dermal (HI), and carcinogenic risk (CR), were conducted to evaluate the potential risks for the environment and human health. The values of the HPI were between the range of 15 < HPI < 30, which indicated moderate pollution; however, the MI results showed high pollution in Dunaföldvár and Hercegszántó cities. The ecological risk (RI < 30) and HI values (< 1) showed low environmental risks and non-carcinogenic impacts of the existing metals, either on adults or children. The mean CR value of oral arsenic was 2.2E-04 and 2.5E-04 during April-September and October-March, respectively, indicating that children were the most vulnerable to arsenic-carcinogenic oral effects. While lead's CR oral values for children during April-September exceeded the threshold of 1.0E-04, chromium's oral and dermal CR values for both adults and children were 2.08E-04, 6.11E-04, 1.97E-04, and 5.82E-04 during April-September and October-March, respectively. These results demonstrate the potential carcinogenic risks related to chromium exposure within the two pathways in Hungary and highlight the need for effective measures to mitigate these risks.
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Affiliation(s)
- Omar Saeed
- Doctoral School of Environmental Science, Hungarian University of Agriculture and Life Sciences (MATE), Páter Károly u. 1, Gödöllő, 2100, Hungary.
| | - András Székács
- Doctoral School of Environmental Science, Hungarian University of Agriculture and Life Sciences (MATE), Páter Károly u. 1, Gödöllő, 2100, Hungary
- Agro-Environmental Research Centre, Institute of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, Herman Ottó út 15, Budapest, H-1022, Hungary
| | - Győző Jordán
- Eötvös Loránd University (ELTE), Budapest, Hungary
| | - Mária Mörtl
- Agro-Environmental Research Centre, Institute of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, Herman Ottó út 15, Budapest, H-1022, Hungary
| | - Mostafa R Abukhadra
- Geology Department, Faculty of Science, Beni-Suef University, Beni-Suef, 65211, Egypt
| | - Mohamed Hamdy Eid
- Geology Department, Faculty of Science, Beni-Suef University, Beni-Suef, 65211, Egypt
- Institute of Environmental Management, Faculty of Earth Science, University of Miskolc, Miskolc, 3515, Hungary
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40
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Chen TR, Chang KC, Chen CY, Wu TW, Lee LW, Shen LC, Chen HN, Chung WS. Calix[4]arene-based Supramolecular Gels for Mercury Ion Removal in Water. Chem Asian J 2023; 18:e202300739. [PMID: 37800724 DOI: 10.1002/asia.202300739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/04/2023] [Accepted: 10/06/2023] [Indexed: 10/07/2023]
Abstract
A calix[4]arene-based gelator 1, with lower-rim mono triazolylpyridine group, capable of spontaneous self-assembly into microspheres in different ethanol/H2 O mixtures, is synthesized. The concentration-dependent 1 H NMR spectra and X-ray single-crystal structure of 1 provided evidence for self-assembly of gelator 1 via cooperative interactions of intermolecular noncovalent forces. Furthermore, metallogels by self-assembly of 1 was found to exhibit remarkable selectivity toward Hg2+ ions. 1 H NMR spectra support that Hg2+ ion was bound to the nitrogen atoms of two coordination sites of 1, which composed of triazole and pyridine. Moreover, the results of field emission scanning electron microscopy and rheology experiments indicated that Hg2+ ions not only enhanced the gelling ability of gelator 1 in ethanol but also led to morphological change of its self-assembly through metal-ligand interactions. Finally, the in situ gelation, triggered by mixing a gelator solution of 1 in ethanol with water samples such as deionized (DI), tap, and lake water, leads to the effective removal of Hg(II) from a water sample which reduced from 400 to 1.6 ppm.
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Grants
- MOST-112-2113-M-019-002-MY2 Ministry of Science and Technology, Taiwan, ROC
- MOST-110-2113-M-A49-009 Ministry of Science and Technology, Taiwan, ROC
- MOST-110-2113-M-019-003-MY2 Ministry of Science and Technology, Taiwan, ROC
- MOST-109-2113-M-009-016 Ministry of Science and Technology, Taiwan, ROC
- MOST-108-2113-M-009-006 Ministry of Science and Technology, Taiwan, ROC
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Affiliation(s)
- Tyng-Rong Chen
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Kai-Chi Chang
- Bachelor Degree Program in Marine Biotechnology, National Taiwan Ocean University, Keelung, 202301, Taiwan
| | - Chan-Yu Chen
- Bachelor Degree Program in Marine Biotechnology, National Taiwan Ocean University, Keelung, 202301, Taiwan
| | - Ting-Wen Wu
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Li-Wei Lee
- Bachelor Degree Program in Marine Biotechnology, National Taiwan Ocean University, Keelung, 202301, Taiwan
| | - Li-Ching Shen
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Hsin-Ni Chen
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Wen-Sheng Chung
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, 30010, Taiwan
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan
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41
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Wang X, Mi J, Yang K, Wang L. Environmental Cadmium Exposure Perturbs Gut Microbial Dysbiosis in Ducks. Vet Sci 2023; 10:649. [PMID: 37999472 PMCID: PMC10674682 DOI: 10.3390/vetsci10110649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 10/15/2023] [Accepted: 10/16/2023] [Indexed: 11/25/2023] Open
Abstract
Ore extraction, chemical production, and agricultural fertilizers may release significant amounts of heavy metals, which may eventually accumulate widely in the environment and organisms over time, causing global ecological and health problems. As a recognized environmental contaminant, cadmium has been demonstrated to cause osteoporosis and renal injury, but research regarding the effects of cadmium on gut microbiota in ducks remains scarce. Herein, we aimed to characterize the adverse effects of cadmium on gut microbiota in ducks. Results indicated that cadmium exposure dramatically decreased gut microbial alpha diversity and caused significant changes in the main component of gut microbiota. Moreover, we also observed significant changes in the gut microbial composition in ducks exposed to cadmium. A microbial taxonomic investigation showed that Firmicutes, Bacteroidota, and Proteobacteria were the most preponderant phyla in ducks regardless of treatment, but the compositions and abundances of dominant genera were different. Meanwhile, a Metastats analysis indicated that cadmium exposure also caused a distinct increase in the levels of 1 phylum and 22 genera, as well as a significant reduction in the levels of 1 phylum and 36 genera. In summary, this investigation demonstrated that cadmium exposure could disturb gut microbial homeostasis by decreasing microbial diversity and altering microbial composition. Additionally, under the background of the rising environmental pollution caused by heavy metals, this investigation provides a crucial message for the assessment of environmental risks associated with cadmium exposure.
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Affiliation(s)
| | | | | | - Lian Wang
- Department of Medical Engineering, Henan University of Animal Husbandry and Economy, Zhengzhou 450046, China; (X.W.); (J.M.); (K.Y.)
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Lai S, Jin Y, Shi L, Zhou R, Li Y. Fluorescence Sensing Mechanisms of Versatile Graphene Quantum Dots toward Commonly Encountered Heavy Metal Ions. ACS Sens 2023; 8:3812-3823. [PMID: 37737841 DOI: 10.1021/acssensors.3c01295] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
Graphene quantum dots (GQDs) have received tremendous attention as fluorescent probes for detection of diverse heavy metal ions (HMIs). Nevertheless, the fluorescence sensing mechanisms of versatile GQDs with respect to different HMIs remain elusive. Herein, the fluorescence sensing behaviors and mechanisms of GQDs with amino and carboxyl groups toward commonly encountered Cr6+, Fe3+, Cu2+, Cr3+, Mn2+, Co2+, Ni2+, Zn2+, Cd2+, and Hg2+ under different pH conditions are systemically explored. The results show that the fluorescence of GQDs can be enhanced by Zn2+/Cd2+ and quenched by other HMIs at pH 5.8, while it can be enhanced by HMIs except Cr6+/Fe3+/Cu2+ at pH 2.0. Systematic studies verify that the fluorescence quenching/enhancing is mediated by the synergistic effect of the inner filter effect (IFE) and the photoinduced electron transfer (PET) or metal orbital-controlled chelation-quenched/enhanced fluorescence (CHQF/CHEF) effect. The strong and weak IFEs of Cr6+/Fe3+ and Cr3+/Cu2+, respectively, are one of the reasons for the fluorescence quenching, while other HMIs have no IFE. Moreover, the PET effect caused by the interaction of GQDs with Hg2+ at pH 5.8 and the CHQF/CHEF effect caused by the interaction of GQDs with other HMIs are also crucial for fluorescence quenching/enhancing. The findings suggest that the pH condition, the existing forms of functional groups on GQDs, and the complexation states of HMIs in aqueous systems dominate the PET and CHQF/CHEF effects. The elucidating of the fluorescence sensing mechanisms of GQDs toward different HMIs paves the way for developing versatile sensing platforms for monitoring of HMI contamination.
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Affiliation(s)
- Shuangquan Lai
- Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, P. R. China
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, P.R. China
| | - Yong Jin
- Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, P. R. China
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, P.R. China
| | - Liangjie Shi
- Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, P. R. China
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, P.R. China
| | - Rong Zhou
- Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, P. R. China
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, P.R. China
| | - Yupeng Li
- Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, P. R. China
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, P.R. China
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Ccanccapa-Cartagena A, Chavez-Gonzales FD, Paredes B, Vera C, Gutierrez G, Valencia R, Lucia Paz Alcázar A, Zyaykina NN, Filley TR, Jafvert CT. Seasonal differences in trace metal concentrations in the major rivers of the hyper-arid southwestern Andes basins of Peru. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 344:118493. [PMID: 37494872 DOI: 10.1016/j.jenvman.2023.118493] [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: 02/05/2023] [Revised: 06/15/2023] [Accepted: 06/21/2023] [Indexed: 07/28/2023]
Abstract
The southern rivers of Peru originate in the Andes Mountains and flow in a southwestern direction to the Pacific Ocean through one of the most hyper-arid regions of the world. During each sub-equatorial summer from December to February, rains and snow melt in the Andes increase the streamflow in these rivers, even as they pass through the 100 km arid zone to the ocean. This study quantified seasonal dynamics of 34 trace metal elements (TM) and other constituent concentrations in four southern river basins of Peru (Chili-Quilca, Tambo, Camana-Majes-Colca, and Ocoña) during 2019-2020. Consistent with previous studies, we observed that: (1) the river water in the southern basins had relatively high concentrations of B, As, Fe, Al, Mn, P, Pb and Ni, with As the most ubiquitous toxic TM in all the basins, often detected at concentrations surpassing Peruvian and USEPA regulated concentrations; and (2) basins with the most to least toxic TM contamination were the Tambo > Chili-Quilca > Camana-Majes-Colca > Ocoña. Seasonal streamflow strongly influenced the concentrations of twenty TM, with 15 TM (Al, Au, Ba, Cd, Co, Cu, Fe, Gd, Mn, Ni, P, Pb, Ti, Yb and Zr) consistently higher in the wet season, and with As, B, Ge, Li, and Pd higher in the dry season. Our results improve the understanding of seasonal variability and vulnerability in western Andes superficial water sources, which are highly influenced by both local geogenic and anthropogenic conditions. A Spanish translation of this paper is available in the online Supplementary Material.
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Affiliation(s)
- Alexander Ccanccapa-Cartagena
- Lyles School of Civil Engineering, Purdue University, West Lafayette, 47907 IN, USA; Escuela Profesional de Antropología, Universidad Nacional de San Agustín de Arequipa, Av. Venezuela S/N, 04000, Arequipa, Peru.
| | - Francisco D Chavez-Gonzales
- Departamento de Química, Independencia Av. S/N, Universidad Nacional de San Agustín, Arequipa, 04000, Peru; Autoridad Nacional del Agua del Peru, AAA Caplina-Ocoña, Arequipa, 04000, Peru
| | - Betty Paredes
- Departamento de Química, Independencia Av. S/N, Universidad Nacional de San Agustín, Arequipa, 04000, Peru
| | - Corina Vera
- Departamento de Química, Independencia Av. S/N, Universidad Nacional de San Agustín, Arequipa, 04000, Peru
| | - Guillermo Gutierrez
- Servicio Nacional de Meteorología e Hidrología del Perú, Dirección Zonal 6, Arequipa, 04000, Peru
| | - Roland Valencia
- Autoridad Nacional del Agua del Peru, AAA Caplina-Ocoña, Arequipa, 04000, Peru
| | | | - Nadezhda N Zyaykina
- Lyles School of Civil Engineering, Purdue University, West Lafayette, 47907 IN, USA; Environmental and Ecological Engineering, Purdue University, West Lafayette, 47907 IN, USA
| | - Timothy R Filley
- Department of Earth & Atmospheric and Planetary Sciences, Purdue University, West Lafayette, 47907 IN, USA
| | - Chad T Jafvert
- Lyles School of Civil Engineering, Purdue University, West Lafayette, 47907 IN, USA; Environmental and Ecological Engineering, Purdue University, West Lafayette, 47907 IN, USA
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Durkin TJ, Barua B, Holmstrom JJ, Karanikola V, Savagatrup S. Functionalized Amphiphilic Block Copolymers and Complex Emulsions for Selective Sensing of Dissolved Metals at Liquid-Liquid Interfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:12845-12854. [PMID: 37625160 DOI: 10.1021/acs.langmuir.3c01761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/27/2023]
Abstract
Increasing contamination in potable water supplies necessitates the development of sensing methods that provide the speed and selectivity necessary for safety. One promising method relies on recognition and detection at the liquid-liquid interface of dynamic complex emulsions. These all-liquid materials transduce changes in interfacial tensions into optical signals via the coupling of their chemical, physical, and optical properties. Thus, to introduce selectivity, it is necessary to modify the liquid-liquid interface with an interfacially stable and selective recognition unit. To this end, we report the synthesis and characterization of amphiphilic block copolymers modified with metal chelators to selectively measure the concentrations of dissolved metal ions. We find that significant reduction in interfacial tensions arises upon quantitative addition of metal ions with high affinity toward functionalized chelators. Furthermore, measurements from UV-vis spectroscopy reveal that complexation of the block copolymers with metal ions leads to an increase in surface excess and surfactant effectiveness. We also demonstrate selective detection of iron(III) cations (Fe3+) on the μM levels even through interference from other mono-, di-, or trivalent cations in complex matrices of synthetic groundwater. Our results provide a unique platform that couples selective recognition and modulation of interfacial behaviors and demonstrates a step forward in the development of the multiplexed sensing device needed to deconvolute the complicated array of contaminants that comprise real-world environmental samples.
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Affiliation(s)
- Tyler J Durkin
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 E. James E. Rogers Way, Tucson, Arizona 85721, United States
| | - Baishali Barua
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 E. James E. Rogers Way, Tucson, Arizona 85721, United States
| | - Jamie J Holmstrom
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 E. James E. Rogers Way, Tucson, Arizona 85721, United States
| | - Vasiliki Karanikola
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 E. James E. Rogers Way, Tucson, Arizona 85721, United States
| | - Suchol Savagatrup
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 E. James E. Rogers Way, Tucson, Arizona 85721, United States
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Mongioví C, Jaillet M, Lacalamita D, Morin-Crini N, Lecourt M, Tapin-Lingua S, Crini G. A Strategy to Valorize a By-Product of Pine Wood ( Pinus pinaster) for Copper Removal from Aqueous Solutions. Molecules 2023; 28:6436. [PMID: 37764212 PMCID: PMC10535148 DOI: 10.3390/molecules28186436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/28/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
This study describes the valorization of a pine wood by-product (Pinus pinaster) in the form of individualized fibers to a complex copper or more broadly metals present in an aqueous solution using a batch process. The adsorption results show that pine fibres activated by sodium carbonate are effective in recovering copper ions from monocontaminated or polycontaminated solutions of varying concentrations in a few minutes. One gram of material captures 2.5 mg of copper present in 100 mL of solution at pH 5 in less than 10 min. The results are perfectly reproducible and independent of pH between 3 and 5. The presence of the Na+ cation at concentrations of 0.1 M has no impact on material performance, unlike that of Ca2+ ions, which competes with Cu2+ ions for active sites. The adsorption process can be considered as rapid, as most of the copper is adsorbed within the first 10 min of exposure. Investigation of modeling possibilities shows some limitations. Indeed, the Weber and Morris and Elovich models show poor possibilities to describe all the kinetic data for copper adsorption on fibres. This may prove that the mechanism is far more complex than simple physisorption, chemisorption and/or diffusion. Complexation by wood fibers can be extended to solutions containing several types of metals. The results of this study show that the field of selective metal recovery could be a new way of valorizing by-products from the wood industry.
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Affiliation(s)
- Chiara Mongioví
- Chrono-Environnement, Université de Franche-Comté, CNRS, Faculté des Sciences, 25000 Besançon, France; (C.M.); (M.J.); (D.L.); (N.M.-C.)
| | - Maélys Jaillet
- Chrono-Environnement, Université de Franche-Comté, CNRS, Faculté des Sciences, 25000 Besançon, France; (C.M.); (M.J.); (D.L.); (N.M.-C.)
| | - Dario Lacalamita
- Chrono-Environnement, Université de Franche-Comté, CNRS, Faculté des Sciences, 25000 Besançon, France; (C.M.); (M.J.); (D.L.); (N.M.-C.)
| | - Nadia Morin-Crini
- Chrono-Environnement, Université de Franche-Comté, CNRS, Faculté des Sciences, 25000 Besançon, France; (C.M.); (M.J.); (D.L.); (N.M.-C.)
| | - Michael Lecourt
- Institut FCBA, Institut Technologique Forêt Cellulose Bois-Construction Ameublement, Domaine Universitaire, CS 90251, cedex 9, 38044 Grenoble, France; (M.L.); (S.T.-L.)
| | - Sandra Tapin-Lingua
- Institut FCBA, Institut Technologique Forêt Cellulose Bois-Construction Ameublement, Domaine Universitaire, CS 90251, cedex 9, 38044 Grenoble, France; (M.L.); (S.T.-L.)
| | - Grégorio Crini
- Chrono-Environnement, Université de Franche-Comté, CNRS, Faculté des Sciences, 25000 Besançon, France; (C.M.); (M.J.); (D.L.); (N.M.-C.)
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Aswal RS, Prasad M, Patel NK, Srivastav AL, Egbueri JC, Kumar GA, Ramola RC. Occurrences, sources and health hazard estimation of potentially toxic elements in the groundwater of Garhwal Himalaya, India. Sci Rep 2023; 13:13069. [PMID: 37567964 PMCID: PMC10421880 DOI: 10.1038/s41598-023-40266-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 08/08/2023] [Indexed: 08/13/2023] Open
Abstract
High concentrations of potentially toxic elements (PTEs) in potable water can cause severe human health disorders. Present study examined the fitness of groundwater for drinking purpose based on the occurrence of nine PTEs in a heavy pilgrim and tourist influx region of the Garhwal Himalaya, India. The concentrations of analyzed PTEs in groundwater were observed in the order of Zn > Mn > As > Al > Cu > Cr > Se > Pb > Cd. Apart from Mn and As, other PTEs were within the corresponding guideline values. Spatial maps were produced to visualize the distribution of the PTEs in the area. Estimated water pollution indices and non-carcinogenic risk indicated that the investigated groundwater is safe for drinking purpose, as the hazard index was < 1 for all the water samples. Assessment of the cancer risk of Cr, As, Cd, and Pb also indicated low health risks associated with groundwater use, as the values were within the acceptable range of ≤ 1 × 10-6 to 1 × 10-4. Multivariate statistical analyses were used to describe the various possible geogenic and anthropogenic sources of the PTEs in the groundwater resources although the contamination levels of the PTEs were found to pose no serious health risk. However, the present study recommends to stop the discharge of untreated wastewater and also to establish cost-effective as well as efficient water treatment facility nearby the study area. Present work's findings are vital as they may protect the health of the massive population from contaminated water consumption. Moreover, it can help the researchers, governing authorities and water supplying agencies to take prompt and appropriate decisions for water security.
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Affiliation(s)
- R S Aswal
- Department of Environmental Sciences, H.N.B. Garhwal University, Badshahi Thaul Campus, Tehri Garhwal, 249199, India
| | - Mukesh Prasad
- Chitkara University School of Engineering and Technology, Chitkara University, Solan, Himachal Pradesh, India.
| | - Narendra K Patel
- Department of Earth Sciences, Indian Institute of Technology Roorkee, Roorkee, 247667, India
| | - A L Srivastav
- Chitkara University School of Engineering and Technology, Chitkara University, Solan, Himachal Pradesh, India
| | | | - G Anil Kumar
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee, 247667, India.
| | - R C Ramola
- Department of Physics, H.N.B. Garhwal University, Badshahi Thaul Campus, Tehri Garhwal, 249199, India
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Zhao T, Sun D, Long K, Lemos B, Zhang Q, Man J, Zhao M, Zhang Z. N 6-methyladenosine upregulates ribosome biogenesis in environmental carcinogenesis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 881:163428. [PMID: 37061066 DOI: 10.1016/j.scitotenv.2023.163428] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/20/2023] [Accepted: 04/06/2023] [Indexed: 06/01/2023]
Abstract
Many trace metal pollutants in surface water, the atmosphere, and soil are carcinogenic, and ribosome biogenesis plays an important role in the carcinogenicity of heavy metals. However, the contradiction between upregulated ribosome biogenesis and decreased ribosomal DNA copy number in environmental carcinogenesis is not fully understood. Here, from a perspective of the most predominant and abundant RNA epigenetic modification, N6-methyladenosine (m6A), we explored the reason behind this contradiction at the post-transcriptional level using arsenite-induced skin carcinogenesis models both in vitro and in vivo. Based on the m6A microarray assay and a series of experiments, we found for the first time that the elevated m6A in arsenite-induced transformation is mainly enriched in the genes regulating ribosome biogenesis. m6A upregulates ribosome biogenesis post-transcriptionally by stabilizing ribosomal proteins and modulating non-coding RNAs targeting ribosomal RNAs and proteins, leading to arsenite-induced skin carcinogenesis. Using multi-omics analysis of human subjects and experimental validation, we identified an unconventional role of a well-known key proliferative signaling node AKT1 as a vital mediator between m6A and ribosome biogenesis in arsenic carcinogenesis. m6A activates AKT1 and transmits proliferative signals to ribosome biogenesis, exacerbating the upregulation of ribosome biogenesis in arsenite-transformed keratinocytes. Similarly, m6A promotes cell proliferation by upregulating ribosome biogenesis in cell transformation induced by carcinogenic heavy metals (chromium and nickel). Importantly, inhibiting m6A reduces ribosome biogenesis. Targeted inhibition of m6A-upregulated ribosome biogenesis effectively prevents cell transformation induced by trace metals (arsenic, chromium, and nickel). Our results reveal the mechanism of ribosome biogenesis upregulated by m6A in the carcinogenesis of trace metal pollutants. From the perspective of RNA epigenetics, our study improves our understanding of the contradiction between upregulated ribosome biogenesis and decreased ribosomal DNA copy number in the carcinogenesis of environmental carcinogens.
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Affiliation(s)
- Tianhe Zhao
- Department of Environmental and Occupational Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610000, Sichuan, China
| | - Donglei Sun
- Department of Environmental and Occupational Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610000, Sichuan, China
| | - Keyan Long
- Department of Environmental and Occupational Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610000, Sichuan, China
| | - Bernardo Lemos
- Department of Environmental Health & Molecular and Integrative Physiological Sciences Program, Harvard T.H. Chan School of Public Health, Boston 02108, MA, USA
| | - Qian Zhang
- Department of Environmental and Occupational Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610000, Sichuan, China
| | - Jin Man
- Department of Environmental and Occupational Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610000, Sichuan, China
| | - Manyu Zhao
- Department of Environmental and Occupational Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610000, Sichuan, China
| | - Zunzhen Zhang
- Department of Environmental and Occupational Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610000, Sichuan, China.
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Faulstich L, Arendt R, Reinhardt-Imjela C, Schulte A, Lengricht J, Johannes P. Water and sediment pollution of intensively used surface waters during a drought period - a case study in Central Northern Namibia. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:924. [PMID: 37410220 PMCID: PMC10326107 DOI: 10.1007/s10661-023-11505-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 06/10/2023] [Indexed: 07/07/2023]
Abstract
Semiarid regions are often affected by water scarcity and poor water quality. Seasonal changes in precipitation and drought events increase the pressure of use on water bodies and their pollution. In Central Northern Namibia, a high seasonal intra- and inter-annual variability of precipitation caused a 5-year lasting drought period. In the semiarid region, ephemeral channels and water pans represent the main water source, besides the institutionalized water supply. No systematic analysis of its quality has been conducted so far. The states of the surface waters at the end of the dry season in 2017 and the end of the rainy seasons in 2018 and 2019 were characterized by the analysis of physical-chemical parameters, focusing on usability. The first results show coarse contamination of the waters, which results in high turbidity values. Salt concentrations, such as Ca2+ and Na+, greatly increased due to evaporation. Al is present in high concentrations in solid and liquid phases, which indicates direct anthropogenic pollution. Spatial differences are evident in the study area and based on the precipitation gradient, land use, and population density. The waters cannot be used as drinking water without prior treatment.
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Affiliation(s)
- Leona Faulstich
- Department of Earth Sciences, Freie Universität Berlin, 12249, Berlin, Germany.
| | - Robert Arendt
- Department of Earth Sciences, Freie Universität Berlin, 12249, Berlin, Germany
| | | | - Achim Schulte
- Department of Earth Sciences, Freie Universität Berlin, 12249, Berlin, Germany
| | - Joachim Lengricht
- Civil and Environmental Engineering, University of Namibia, 3624, Ongwediva, Namibia
| | - Petrina Johannes
- Civil and Environmental Engineering, University of Namibia, 3624, Ongwediva, Namibia
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49
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Saar I, Evard H. Screen Printed Particle-Based Microfluidics: Optimization and Exemplary Application for Heavy Metals Analysis. MICROMACHINES 2023; 14:1369. [PMID: 37512680 PMCID: PMC10386728 DOI: 10.3390/mi14071369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 06/29/2023] [Accepted: 07/02/2023] [Indexed: 07/30/2023]
Abstract
In this work, a screen-printing method was developed to create porous particle-based materials as layers with specifically designed shape to produce microfluidics systems. Among several tested binding agents, xanthan gum was found to be an excellent choice for a printing mixture thickener as well as a durable binder for the resulting material. In addition to demonstrating control over the shape of the printed microfluidics chips, control over material thickness, wetting characteristics and general method accuracy were also investigated. The applicability of the introduced method was further demonstrated with a development of an exemplary microfluidics chip for quantitative detection of Fe (III), Ni (II), Cu (II), Cd (II), and Pb (II) from a mixed sample at millimolar levels. The novel approaches demonstrated in this article offer new perspective into creating multiplexed on-site chemical analysis tests.
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Affiliation(s)
- Indrek Saar
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
| | - Hanno Evard
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
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50
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Fard KG, Mokarram M. Investigating the pollution of irrigated plants (Rosmarinus officinalis) with polluted water in different growth stages using spectrometer and K-means method. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:83903-83916. [PMID: 37351746 DOI: 10.1007/s11356-023-28217-1] [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: 10/21/2022] [Accepted: 06/07/2023] [Indexed: 06/24/2023]
Abstract
Rosmarinus officinalis is a widely cultivated plant with various medicinal and culinary uses. However, irrigation with contaminated water can lead to the accumulation of heavy elements in the tissues of this plant. Therefore, the purpose of this study was to investigate the contamination of Rosmarinus officinalis with heavy elements during irrigation with polluted water (wastewater). To achieve this, 39 seedlings were uniformly planted in pots and irrigated with water contaminated with zinc, lead, nickel, and cadmium. The level of contamination in the plant was measured at three vegetative stages using target hazard quotient (THQ), hazard index (HI), and bioconcentration factor (BCF) indicators. In addition, a spectrometer in the range of 400-1030 nm was used to measure the amount of reflection of plants to electromagnetic waves. The K-means method was then applied to investigate the relationship between the morphological characteristics of the plants and heavy metal pollution. The results showed that the highest THQ values were observed in the third vegetative stage (THQPb = 113, THQNi = 0.08, THQZn = 0.25, THQCd = 0.1). Furthermore, the BCFCd and BCFPb indices indicated that the highest contamination levels occurred in the third vegetative stage. The regression analysis identified the spectral bands of 880, 580, 1030, 400, 760, 570, 650, 1050, 560, and 910 nm as the most important for identifying heavy element-contaminated plants. Finally, the K-means method showed high accuracy (R2 = 0.89) for identifying and classifying plant organs affected by pollution from healthy parts. It is worth noting that the investigation of the contamination of Rosmarinus officinalis with heavy elements using electromagnetic waves represents a novel contribution to the field, particularly given the importance of this plant in the pharmaceutical and food industries.
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Affiliation(s)
- Kamal Gholamipour Fard
- Department of Plant Production, College of Agriculture and Natural Resources of Darab, Shiraz University, Darab, Fars, Iran.
| | - Marzieh Mokarram
- Department of Geography, Faculty of Economics, Management and Social Sciences, Shiraz University, Shiraz, Iran
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