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El-Samad LM, Arafat EA, Nour OM, Kheirallah N, Gad ME, Hagar M, El-Moaty ZA, Hassan MA. Biomonitoring of Heavy Metal Toxicity in Freshwater Canals in Egypt Using Creeping Water Bugs ( Ilyocoris cimicoides): Oxidative Stress, Histopathological, and Ultrastructural Investigations. Antioxidants (Basel) 2024; 13:1039. [PMID: 39334698 PMCID: PMC11428737 DOI: 10.3390/antiox13091039] [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: 07/13/2024] [Revised: 08/16/2024] [Accepted: 08/23/2024] [Indexed: 09/30/2024] Open
Abstract
The abundance of metal pollutants in freshwater habitats poses serious threats to the survival and biodiversity of aquatic organisms and human beings. This study intends for the first time to assess the pernicious influences of heavy metals in Al Marioteya canal freshwater in Egypt, compared to Al Mansoureya canal as a reference site utilizing the creeping water bug (Ilyocoris cimicoides) as an ecotoxicological model. The elemental analysis of the water showed a significantly higher incidence of heavy metals, including cadmium (Cd), cobalt (Co), chromium (Cr), nickel (Ni), and lead (Pb), in addition to the calcium (Ca) element than the World Health Organization's (WHO) permitted levels. The Ca element was measured in the water samples to determine whether exposure to heavy metals-induced oxidative stress engendered Ca deregulation in the midgut tissues of the creeping water bug. Remarkably, increased levels of these heavy metals were linked to an increase in chemical oxygen demand (COD) at the polluted site. Notably, the accumulation of these heavy metals in the midgut tissues resulted in a substantial reduction in antioxidant parameters, including superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), and ascorbate peroxidase (APOX), along with a marked rise in malondialdehyde (MDA), cytochrome P450, and protein carbonyl levels. These results clearly indicate a noticeable disturbance in the antioxidant defense system due to uncontrollable reactive oxygen species (ROS). Notably, the results demonstrated that oxidative stress caused disturbances in Ca levels in the midgut tissue of I. cimicoides from polluted sites. Furthermore, the comet and flow cytometry analyses showed considerable proliferations of comet cells and apoptotic cells in midgut tissues, respectively, exhibiting prominent correlations, with pathophysiological deregulation. Interestingly, histopathological and ultrastructural examinations exposed noticeable anomalies in the midgut, Malpighian tubules, and ovarioles of I. cimicoides, emphasizing our findings. Overall, our findings emphasize the potential use of I. cimicoides as a bioindicator of heavy metal pollution in freshwater to improve sustainable water management in Egypt.
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Affiliation(s)
- Lamia M. El-Samad
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria 21321, Egypt; (L.M.E.-S.); (E.A.A.); (N.K.)
| | - Esraa A. Arafat
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria 21321, Egypt; (L.M.E.-S.); (E.A.A.); (N.K.)
| | - Ola Mohamed Nour
- Department of Biological and Geological Sciences, Faculty of Education, Alexandria University, Alexandria 21526, Egypt;
| | - Nessrin Kheirallah
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria 21321, Egypt; (L.M.E.-S.); (E.A.A.); (N.K.)
| | - Mohammed E. Gad
- Department of Zoology and Entomology, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt;
| | - Mohamed Hagar
- Department of Chemistry, Faculty of Science, Alexandria University, Alexandria 21321, Egypt;
| | - Zeinab A. El-Moaty
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria 21321, Egypt; (L.M.E.-S.); (E.A.A.); (N.K.)
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Mohamed A. Hassan
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, Alexandria 21934, Egypt
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Nyambar INA, Mohan Viswanathan P. Assessment on urban lakes along the coastal region of Miri, NW Borneo: implication for hydrochemistry, water quality, and pollution risk. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:41306-41328. [PMID: 36650369 PMCID: PMC11219409 DOI: 10.1007/s11356-023-25172-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 01/02/2023] [Indexed: 06/17/2023]
Abstract
The main purpose of this study is to assess the urban lake water quality along the coastal region of Miri City, Sarawak, East Malaysia. This study concentrates on the hydrochemical characteristics and the mechanisms controlling the suitability of the lakes for domestic, irrigation, and industrial purposes. A total of 15 lake water samples were collected and analysed for physical parameters, major ions, nutrients, BOD, COD, and heavy metals. The results show that Lakes 6, 7, and 8 commonly exceeded the National Drinking Water Quality Standards (NDWQS) limits, particularly in physical parameters and major ions. The cation dominance was Na+ > Mg2+ > K+ > Ca2+, while the anion dominance was Cl- > HCO3- > SO42-. It is inferred that lake 8 was affected by the seawater intrusion through the inlet flow, resulting in an excess concentration of ions present in that lake. The concentrations of heavy metals in these lakes were considerably low, indicating that most of them were from the geogenic source. Most of the lakes were NaCl water type and the main controlling mechanism were weathering and ionic exchange processes, with anthropogenic impacts. Based on the calculated Water Quality Index (WQI) according to the National Water Quality Standards (NWQS), all lakes were suitable for irrigation use (class IV), while most of these lakes fell under the "polluted" index. Apart from that, based on the National Lake Water Quality Standards (NLWQS), all lakes were classified under category D, indicating that the lakes must be kept in good condition. According to the irrigation quality indices, lakes 1, 2, 3, 4, and 5 were the most suitable for irrigation purposes. As for metal pollution indices (HPI and HEI), lakes 1, 2, 3, 4, 5, and 15 were considered safe with low pollution status. From the multivariate statistical analysis, it is deduced that both anthropogenic and geogenic impacts mostly influenced the quality of these lake waters. The outcome of this study will help the policymakers under the national water department in sustainable management of water resources in this region.
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Affiliation(s)
- Inez Neysa Anak Nyambar
- Faculty of Engineering and Science, Department of Applied Sciences, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - Prasanna Mohan Viswanathan
- Faculty of Engineering and Science, Department of Applied Sciences, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia.
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Gezahegn T, Dereje M, Tefera M, Beshaw T, Mulu M, Legesse M, Kokeb A, Lijalem T, Fentie T, Adugna A, Guadie A. Analysis of nutrient loads, heavy metals and physicochemical properties of wastewater, wetland grass, and papaya samples: Gondar Malt factory, Ethiopia with global implication. Toxicol Rep 2024; 12:520-530. [PMID: 38774477 PMCID: PMC11107232 DOI: 10.1016/j.toxrep.2024.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/30/2024] [Accepted: 04/24/2024] [Indexed: 05/24/2024] Open
Abstract
Robust attention was brought to researchers due to deterioration of wastewater quality of lakes and reservoirs as major global concerns by industrial release. The uncontrolled releases of effluents impose serious impacts for both aquatic and terrestrial environments. In the current study, many parameters like nutrient loads, heavy metals and physicochemical properties of wastewater, wetland grass, and papaya samples were analysed. The investigated nutrients, alkalinity, and total hardness in fresh water samples were within the allowable limits except for phosphate in fresh wastewater and alkalinity in wastewater. The detected levels of heavy metals (mg/L) in wastewater samples were:- Cd (0.386-0.905), Cr (ND-0.074), Cu (0.064-0.096), Mn (0.184-1.528), Fe (0.167-4.636), Zn (0.175-0.333), and Pb (0.044-0.892) (mg/L). The studied metals in the wastewater sample, except Cd, Fe, and Pb were lower than the allowable limit. The level of heavy metals in the grass and papaya samples ranged from Cd (37.14-147.62), Cr (ND-8.82), Cu (3.14-8.33), Mn (2.89-85.46), Fe(5.0-65.15), Zn (3.44-36.84), and Pb (ND-60.36) (mg/kg). The detected metals were below the permissible limits, except Cd, Cr, and Pb. The findings of the physicochemical characteristics in wastewater samples were computed: pH (6.61-8.54), temperatures (21.63-26.57 °C), TDS (205.9-1896 mg/L), EC (359.9-3226.67 μs/cm), BOD (12.0-732.67 mg/L), COD (3.67-1691.33 mg/L). Except for temperature and pH, all levels in the wastewater were above the recommended limit for wastewater discharge by USEPA.
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Affiliation(s)
- Tesfamariam Gezahegn
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Ethiopia
| | - Meseret Dereje
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Ethiopia
| | - Molla Tefera
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Ethiopia
| | - Tamene Beshaw
- Department of Chemistry, College of Natural and Computational Sciences, Wolkite University, Ethiopia
| | - Mengistu Mulu
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Ethiopia
| | - Mulugeta Legesse
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Ethiopia
| | - Addis Kokeb
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Ethiopia
| | - Tsegu Lijalem
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Ethiopia
| | - Tarekegn Fentie
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Ethiopia
| | - Ayal Adugna
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Ethiopia
| | - Atnafu Guadie
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Ethiopia
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Quevedo MR, González PS, Barroso CN, Paisio CE. Schoenoplectus americanus as a potential phytoremediator: in vitro assessment of its ability to remove contaminants in domestic and tannery wastewater. ENVIRONMENTAL TECHNOLOGY 2024:1-13. [PMID: 38648338 DOI: 10.1080/09593330.2024.2343126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 04/08/2024] [Indexed: 04/25/2024]
Abstract
Growing industrialization and urbanization have led to increased water pollution due to the inadequate treatment and disposal of domestic wastewater (DW) and wastewater produced by industries such as tanneries (TW). These wastewaters are characterized by high concentrations of organic matter, nutrients, sulphates, chlorides and high microbial load. TW also contains phenols and chromium, which disturb and harm the ecosystem the local. The decontamination of wastewater prior to their discharge through biological tools, especially the use of species that are native to the site in need of treatment, has been described as effective and advantageous. This study evaluated the ability of Schoenoplectus americanus, a native plant species from Cordoba (Argentina), to phytoremediate local DW and TW samples at a laboratory scale. The aim was to ascertain whether this system could potentially be considered for the remediation of wastewater in real-world scenarios. S. americanus was able to tolerate pure DW and a 1/20 (v/v) dilution of TW for 30 days under hydroponic conditions. Removal rates ranging from 50% to 89% were obtained for residual organic matter (determined as chemical oxygen demand or COD), total nitrogen (TN) and total phosphorus (TP). Significant removal of total chromium (TCr) and total phenols (TPhs) was also observed in TW (85% and 98%). The number of total coliforms (TC), was reduced by about 96% and 99%. These results indicate that S. americanus is a good candidate for the phytoremediation of regional DW and TW. For this reason, it may be considered for full-scale applications in the future.
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Affiliation(s)
- María R Quevedo
- Laboratorio de biotecnología vegetal y ambiental, Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-químicas y Naturales (FCEFQyN), Universidad Nacional de Río Cuarto, Córdoba, República Argentina
- Instituto de Biotecnología Ambiental y Salud (INBIAS), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Córdoba, República Argentina
| | - Paola S González
- Laboratorio de biotecnología vegetal y ambiental, Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-químicas y Naturales (FCEFQyN), Universidad Nacional de Río Cuarto, Córdoba, República Argentina
- Instituto de Biotecnología Ambiental y Salud (INBIAS), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Córdoba, República Argentina
| | - Cintia N Barroso
- Laboratorio de biotecnología vegetal y ambiental, Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-químicas y Naturales (FCEFQyN), Universidad Nacional de Río Cuarto, Córdoba, República Argentina
- Instituto de Biotecnología Ambiental y Salud (INBIAS), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Córdoba, República Argentina
| | - Cintia E Paisio
- Laboratorio de biotecnología vegetal y ambiental, Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-químicas y Naturales (FCEFQyN), Universidad Nacional de Río Cuarto, Córdoba, República Argentina
- Instituto de Biotecnología Ambiental y Salud (INBIAS), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Córdoba, República Argentina
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Najam T, Hashmi I. Monitoring of university wastewater within the sewage system and its performance evaluation through integrated constructed wetlands. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:403. [PMID: 38556601 DOI: 10.1007/s10661-024-12575-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 03/23/2024] [Indexed: 04/02/2024]
Abstract
Rapid increase in population and industrialization has not only improved the lifestyle but adversely affected the quality and availability of water leading to ample amount of wastewater generation. The major contribution towards wastewater production is from sewage. Regular monitoring and treatment of sewage water is necessary to conserve and enhance the quality of water. The present study focuses on monitoring of sewage water within the sewage system of a residential university. A total of 16 samples from different manholes were collected for physicochemical and heavy metals analysis and compared with final effluent collected from integrated constructed wetlands (ICWs) to assess its removal efficiency. The mean concentrations of influent and effluent were compared with national environmental quality standards (NEQS) for municipal discharge (pH 6-9, COD 150 mg/L, TSS 200 mg/L and TDS 3500 mg/L) and international agricultural reuse standards (IARS) (pH 6-8, COD <150 mg/L, TSS < 100 mg/L) respectively. Among all physicochemical parameters, influent values for chemical oxygen demand (COD) (169.56-258.36) mg/L exceeded the limit of NEQS for discharge into inland waters, whereas for total suspended solids (TSS) the concentration exceeded for discharge into STP (406 mg/L) and inland waters (202.33 mg/L). However, effluent concentrations for all the parameters were found within the permissible limit set by IARS. The removal efficiency for different parameters such as phosphate- phosphorus (PO43-P), COD, TSS, total dissolved solids (TDS) and total kjeldahl nitrogen (TKN) were 52, 53, 54, 35, and 36%, respectively. Heavy metal concentrations were compared with WHO guidelines among which lead (Pb) in effluent and chromium (Cr) in influent exceeded the limit (Pb 0.01 and Cr 0.05 mg/L). Interpolation results showed that zone 2 was highly contaminated in comparison to zone 1 & 3. Statistical analysis showed that correlation of physicochemical parameters and heavy metals was found significant (p < 0.05).
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Affiliation(s)
- Talyaa Najam
- School of Civil and Environmental Engineering (SCEE), Institute of Environmental Sciences and Engineering (IESE), National University of Sciences and Technology (NUST), Sector H-12 Campus, Islamabad, Pakistan
| | - Imran Hashmi
- School of Civil and Environmental Engineering (SCEE), Institute of Environmental Sciences and Engineering (IESE), National University of Sciences and Technology (NUST), Sector H-12 Campus, Islamabad, Pakistan.
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Kubi SA, Amponsah IK, Turkson BK, Asante-Kwatia E, Nkrumah D, Dickson RA. In vivo toxicity, anti-hyperlipidaemic, antioxidant and anti-atherogenic activities of 'LIPO A' A traditional herbal product in rodents. Heliyon 2024; 10:e24352. [PMID: 38293377 PMCID: PMC10826722 DOI: 10.1016/j.heliyon.2024.e24352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 09/12/2023] [Accepted: 01/08/2024] [Indexed: 02/01/2024] Open
Abstract
Hyperlipidemia accounts for about 17 million deaths worldwide each year. High cost and side effects have limited the use of conventional anti-lipidaemic agents in some cases, majority of whom resort to traditional medicine. The current research focused on validating the safety and efficacy of a herbal product, 'LIPO A' used in the management of hyperlipidaemia. Induction of hyperlipidaemia was achieved by oral administration of 3 mL of cholesterol in coconut oil for 4 weeks in male Sprague Dawley rats with water available as 40 % sucrose. Subsequently, the animals were treated with 100, 200 and 400 mg/kg of the product 'LIPO A' for 4 additional weeks with atorvastatin as reference drug (at 2 mg/kg body weight). Blood samples were taken for serum biochemistry and atherogenic ratios were then calculated. 2,2-Diphenyl-1-Picrylhydrazyl (DPPH) scavenging assay, total antioxidant capacity, physicochemical and phytochemical analysis were also carried out using standard methods. Treatment resulted in a dose-dependent reduction in total cholesterol with maximum reduction of 46.01 % at 400 mg/kg compared to atorvastatin with 49.30 %. There were significant changes in the low-density lipoprotein cholesterol and high-density lipoprotein cholesterol (LDL-c/HDL-c) and Total Cholesterol (TC/HDL-c) ratios which measures the atherogenic and coronary risk indices respectively. Acute and subacute toxicity studies did not reveal any signs of toxicity. High Performance Liquid Chromatography (HPLC) fingerprint revealed six well resolved peaks with two prominent compounds with retention times 24.88 and 23.95 min, which could serve as quality control markers for the product. The herbal product showed considerable antihyperlipidemic and antioxidant actions in rodent models and lend credence to its use in traditional medicine for hyperlipidaemia.
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Affiliation(s)
- Solomon Appiah Kubi
- Department of Pharmacognosy, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Isaac Kingsley Amponsah
- Department of Pharmacognosy, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- Department of Herbal Medicine, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Bernard Kofi Turkson
- Department of Herbal Medicine, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Evelyn Asante-Kwatia
- Department of Pharmacognosy, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Desmond Nkrumah
- Department of Pharmacognosy, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Rita Akosua Dickson
- Department of Pharmacognosy, Faculty of Pharmacy and Pharmaceutical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
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Sikakwe GU, Eyong GA, Ojo SA. Geochemical modeling and hydrochemical analysis for water quality determination around mine drainage areas. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2024; 96:e10937. [PMID: 37811838 DOI: 10.1002/wer.10937] [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: 06/01/2023] [Revised: 10/01/2023] [Accepted: 10/04/2023] [Indexed: 10/10/2023]
Abstract
Water sources in mining areas do not retain their natural quality due to the influence of mine drainage. Water quality test was through hydrochemical analysis, speciation modeling, and saturation indices. Water samples were analyzed for pH, conductivity, nitrate, phosphate, sulfate, chlorite, sodium, magnesium, calcium, turbidity, total hardness, lead, zinc, iron, copper, cadmium, manganese, nickel, and chromium. Mean values of turbidity (0.13 mg/L), lead (0.01 mg/L), and cadmium (6.40 mg/L) exceeded their permissible values for potable water. Multivariate statistical analysis shows geogenic and anthropogenic sources of chemical species. Chemical speciation shows that the cations exist mostly in their soluble and mobile forms as free ions. Water quality index of 35-45.5 shows good water for drinking, irrigation, and industrial uses. The values of 63.8-68.8 and 103-121 reflect suitable water for industrial and irrigation uses. The research is integrated and credible in predicting groundwater pollutants to solve water pollution problems. PRACTITIONER POINTS: The mean value of turbidity, Pb, and Cd exceeded the WHO/NSDWQ standards for potable water. Correlation and principal component analyses show that the chemical species are from both geogenic and anthropogenic sources. Chemical speciation shows that the cations exist in their soluble and mobile forms as free ions except Cr. Saturation indices show that the minerals anhydrite, anglesite, vivianite, langite, larnakite, melanterite, and mirabilite are undersaturated in the water sources. Water quality index shows that the water is more suitable for irrigation than drinking and industrial uses.
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Affiliation(s)
- Gregory Udie Sikakwe
- Department of Geology and Geophysics, Faculty of Physical Sciences, Alex Ekwueme Federal University Ndufu-Alike, Abakaliki, Nigeria
| | | | - Samuel Adebayo Ojo
- Advanced Space Laboratory, Alex Ekwueme Federal University Ndufu-Alike Ikwo, Abakaliki, Nigeria
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Sadaf A, Balal RM, Jaffar MT, Javed SA, Javaid MM. Influence of brassinosteroid and silicon on growth, antioxidant enzymes, and metal uptake of leafy vegetables under wastewater irrigation. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 26:936-946. [PMID: 38630443 DOI: 10.1080/15226514.2023.2285015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Vegetable cultivation under sewage irrigation is a common practice mostly in developing countries due to a lack of freshwater. Long-term usage provokes heavy metals accumulation in soil and ultimately hinders the growth and physiology of crop plants and deteriorates the quality of food. A study was performed to investigate the role of brassinosteroid (BRs) and silicon (Si) on lettuce, spinach, and cabbage under lead (Pb) and cadmium (Cd) contaminated sewage water. The experiment comprises three treatments (control, BRs, and Si) applied under a completely randomized design (CRD) in a growth chamber. BRs and Si application resulted in the highest increase of growth, physiology, and antioxidant enzyme activities when applied under canal water followed by distilled water and sewage water. However, BRs and Si increased the above-determined attributes under the sewage water by reducing the Pb and Cd uptake as compared to the control. It's concluded that sewerage water adversely affected the growth and development of vegetables by increasing Pb and Cd, and foliar spray of Si and BRs could have great potential to mitigate the adverse effects of heavy metals and improve the growth. The long-term alleviating effect of BRs and Si will be evaluated in the field conditions at different ecological zones.
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Affiliation(s)
- Anam Sadaf
- Department of Horticulture, College of Agriculture, University of Sargodha, Sargodha, Pakistan
| | - Rashad Mukhtar Balal
- Department of Horticulture, College of Agriculture, University of Sargodha, Sargodha, Pakistan
| | | | - Syed Ayyaz Javed
- Department of Soil and Environmental Sciences, College of Agriculture, University of Sargodha, Sargodha, Pakistan
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Amoatey EA, Glover ET, Kpeglo DO, Otoo F, Adotey DK. Ecological and human health risk assessment of potentially toxic elements in water and soils within a crude oil waste management facility, Southwestern Ghana. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1371. [PMID: 37880424 DOI: 10.1007/s10661-023-11923-1] [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: 05/03/2023] [Accepted: 09/30/2023] [Indexed: 10/27/2023]
Abstract
Crude oil waste management is challenging due to the diverse constituents of the waste and its consequent impact on valued environmental receptors (water and soil). Characterization of the potentially toxic elements (PTEs) in soils and water within the surroundings of crude oil waste management facility is imperative, to aid evaluation of potential risks. The study assessed the potential environmental and human health risks posed by PTEs in soil and water from surroundings and adjoining settlement communities. A total of forty-four (44) samples were analyzed for PTEs (Cr, Pb, Zn, Co, Mn, Ni, Hg, Fe, As, Cu, Hg, and Cd) and physicochemical properties in both matrices. The total carcinogenic risk (TCR) for adults and children in the neighbouring community was 4.73 × 10-6 and 1.2 × 10-4, respectively, which was due to the high carcinogenic slope factor of arsenic. A strong correlation was observed between the PTEs and physicochemical properties, and their health risk was attributed to both geogenic and anthropogenic factors. The study indicated that the human health and ecological risk values obtained were within acceptable limits, with the waste management facility posing a higher risk in comparison to the nearby community. These risks may be attributed to the specific nature and intensity of the activities conducted at the facility. Hence, there is the need for continuous promotion of occupational and public awareness on the health and environmental impact of crude oil waste management.
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Affiliation(s)
- Edith A Amoatey
- Graduate School of Nuclear and Allied Sciences, University of Ghana, P.O. Box AE 1, Kwabenya, Accra, Ghana.
- Radiation Protection Institute, Ghana Atomic Energy Commission, P.O Box LG 80, Legon, Accra, Ghana.
| | - Eric T Glover
- Graduate School of Nuclear and Allied Sciences, University of Ghana, P.O. Box AE 1, Kwabenya, Accra, Ghana
- Radiation Protection Institute, Ghana Atomic Energy Commission, P.O Box LG 80, Legon, Accra, Ghana
| | - David O Kpeglo
- Graduate School of Nuclear and Allied Sciences, University of Ghana, P.O. Box AE 1, Kwabenya, Accra, Ghana
- Radiation Protection Institute, Ghana Atomic Energy Commission, P.O Box LG 80, Legon, Accra, Ghana
| | - Francis Otoo
- Graduate School of Nuclear and Allied Sciences, University of Ghana, P.O. Box AE 1, Kwabenya, Accra, Ghana
- Radiation Protection Institute, Ghana Atomic Energy Commission, P.O Box LG 80, Legon, Accra, Ghana
| | - Dennis K Adotey
- Graduate School of Nuclear and Allied Sciences, University of Ghana, P.O. Box AE 1, Kwabenya, Accra, Ghana
- National Nuclear Research Institute, Ghana Atomic Energy Commission, P.O Box LG 80, Legon, Accra, Ghana
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Mrosso R, Mecha AC, Kiplagat J. Characterization of kitchen and municipal organic waste for biogas production: Effect of parameters. Heliyon 2023; 9:e16360. [PMID: 37251881 PMCID: PMC10209407 DOI: 10.1016/j.heliyon.2023.e16360] [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: 02/16/2023] [Revised: 05/09/2023] [Accepted: 05/13/2023] [Indexed: 05/31/2023] Open
Abstract
Globally, the production of municipal solid waste is rising annually because of consumerism and the urbanization process. In the past few years, different researchers have explored strategies for generating biogas from various organic wastes. In this study, kitchen waste and municipal solid waste were characterized by several physical-chemical parameters. Ten of these substrates were mono-digested for biogas production in batch reactors where cabbage showed a 96.36 ± 1.73% volatile solid and biogas yield of 800 ± 8.8 mL within 10 days, while cooked rice had an 83.00 ± 1.49% volatile solid, and a biogas yield of 2821 ± 31.03 mL within 28 days. The CN ratio for cabbage and cooked rice waste was 13.9 and 30.9 respectively, whereas their pH values were 6.2 and 7.2. Based on the characterization and biogas yields attained, cooked rice waste could be mono-digested for biogas production and no published work showed a high yield as the current study while the other substrates require co-digestion to improve the biogas yield.
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Affiliation(s)
- Register Mrosso
- Renewable Energy, Nanomaterials, and Water Research Group, Department of Mechanical, Production &Energy Engineering, Moi University, P.O.Box 3900, Eldoret, Kenya
- Clean Energy Technologies Research Group, Department of Materials, Energy Science and Engineering, Nelson Mandela African Institution of Science and Technology (NM-AIST), P.O. Box 447, Arusha, Tanzania
| | - Achisa C. Mecha
- Renewable Energy, Nanomaterials, and Water Research Group, Department of Chemical and Process Engineering, Moi University, P.O. Box 3900, Eldoret, Kenya
| | - Joseph Kiplagat
- Department of Mechanical, Production & Energy Engineering, Moi University, P.O. Box 3900, Eldoret, Kenya
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11
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Bayrakli B. Evaluating heavy metal pollution risks and enzyme activity in soils with intensive hazelnut cultivation under humid ecological conditions. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:331. [PMID: 36697845 DOI: 10.1007/s10661-023-10934-2] [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: 07/19/2022] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
In order to promote sustainable agriculture and ensure food security, it has become more vital to identify the causes of soil pollution in agricultural areas. This study was carried out in order to determine the danger of heavy metal contamination in hazelnut production areas and to take the appropriate actions in accordance with the study's findings. In this context, the main objectives of this study were to (i) determine some physical, chemical, and biological properties and heavy metal concentrations of different soils in intensive hazelnut cultivation areas under humid ecological conditions; (ii) reveal the heavy metal pollution risks of these areas by their enrichment factor, contamination factor, geo-accumulation index, degree of contamination, pollution load index, and potential ecological risk index; (iii) analyze the quality of soils contaminated with heavy metals by their total enzyme activity index and the geometric mean of enzymatic activities; and (iv) explore the correlation between heavy metals and soil enzyme activity indices. According to our results, the average concentrations of heavy metals in the study area ranked as Fe > Mn > Zn > Cr > Ni > Cu > Co > Pb > Cd. Based on EF, the area was evaluated as between deficiency to low enrichment and moderate enrichment for all elements except for Cd. When the parameters used to assess the risk of heavy metal contamination were evaluated, it was determined that the risk of contamination of other elements in the study area, except Cd, was low. Finally, analyzing the heavy metals and soil enzyme activity indices shows that there is a negative correlation between Ni and GMea and TEI.
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Affiliation(s)
- Betül Bayrakli
- Republic of Turkey Ministry of Agriculture and Forestry, Black Sea Agricultural Research Institute, Samsun, Turkey.
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12
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Hosni S, Gani SSA, Orsat V, Hassan M, Abdullah S. Ultrasound-Assisted Extraction of Antioxidants from Melastoma malabathricum Linn.: Modeling and Optimization Using Box-Behnken Design. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020487. [PMID: 36677546 PMCID: PMC9863510 DOI: 10.3390/molecules28020487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/14/2022] [Accepted: 12/16/2022] [Indexed: 01/06/2023]
Abstract
This study presents modeling and optimization of ultrasound-assisted extraction (UAE) of Melastoma malabathricum with the objective of evaluating its phytochemical properties. This one-factor-at-a-time (OFAT) procedure was conducted to screen for optimization variables whose domains included extraction temperature (XET), ultrasonic time (XUT), solvent concentration (XSC), and sample-to-liquid ratio (XSLR). Response surface methodology (RSM) coupled with Box-Behnken design (BBD) was applied to establish optimum conditions for maximum antioxidant extraction. Modeling and optimization conditions of UAE at 37 kHz, XET 32 °C for XUT 16 min and dissolved in an XSC 70% ethanol concentration at a XSLR 1:10 ratio yielded scavenging effects on 2,2-diphenyl-1-picryl-hydrazyl (DPPH) at 96% ± 1.48 and recorded values of total phenolic content (TPC) and total flavonoid content (TFC) at 803.456 ± 32.48 mg GAE (gallic acid equivalents)/g, and 102.972 ± 2.51 mg QE (quercetin equivalents)/g, respectively. The presence of high flavonoid compounds was verified using TWIMS-QTOFMS. Chromatic evaluation of phytochemicals using gas chromatography-mass spectrometry (GC-MS) revealed the presence of 14 phytocompounds widely documented to play significant roles in human health. This study provides a comparative evaluation with other studies and may be used for validation of the species' potential for its much-acclaimed medicinal and cosmeceutical uses.
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Affiliation(s)
- Suzziyana Hosni
- Halal Products Research Institute, Universiti Putra Malaysia, Seri Kembangan, Serdang 43400, Selangor, Malaysia
| | - Siti Salwa Abd Gani
- Halal Products Research Institute, Universiti Putra Malaysia, Seri Kembangan, Serdang 43400, Selangor, Malaysia
- Department of Agriculture Technology, Faculty of Agriculture, Universiti Putra Malaysia, Seri Kembangan, Serdang 43400, Selangor, Malaysia
- Natural Medicine and Products Research Laboratory, Institute of Biosceince, Universiti Putra Malaysia, Seri Kembangan, Serdang 43400, Selangor, Malaysia
- Correspondence:
| | - Valérie Orsat
- Macdonald Campus, McGill University, Lakeshore Road, Sainte-Anne-de-Bellevue, QC 21111, Canada
| | - Masriana Hassan
- Department of Pathology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Seri Kembangan, Serdang 43400, Selangor, Malaysia
| | - Sumaiyah Abdullah
- Department of Plant Protection, Faculty of Agriculture, Universiti Putra Malaysia, Seri Kembangan, Serdang 43400, Selangor, Malaysia
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13
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Haffiez N, Chung TH, Zakaria BS, Shahidi M, Mezbahuddin S, Maal-Bared R, Dhar BR. Exploration of machine learning algorithms for predicting the changes in abundance of antibiotic resistance genes in anaerobic digestion. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 839:156211. [PMID: 35623518 DOI: 10.1016/j.scitotenv.2022.156211] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 04/29/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
The land application of digestate from anaerobic digestion (AD) is considered a significant route for transmitting antibiotic resistance genes (ARGs) and mobile genetic elements (MGEs) to ecosystems. To date, efforts towards understanding complex non-linear interactions between AD operating parameters with ARG/MGE abundances rely on experimental investigations due to a lack of mechanistic models. Herein, three different machine learning (ML) algorithms, Random Forest (RF), eXtreme Gradient Boosting (XGBoost), and Artificial Neural Network (ANN), were compared for their predictive capacities in simulating ARG/MGE abundance changes during AD. The models were trained and cross-validated using experimental data collected from 33 published literature. The comparison of model performance using coefficients of determination (R2) and root mean squared errors (RMSE) indicated that ANN was more reliable than RF and XGBoost. The mode of operation (batch/semi-continuous), co-digestion of food waste and sewage sludge, and residence time were identified as the three most critical features in predicting ARG/MGE abundance changes. Moreover, the trained ANN model could simulate non-linear interactions between operational parameters and ARG/MGE abundance changes that could be interpreted intuitively based on existing knowledge. Overall, this study demonstrates that machine learning can enable a reliable predictive model that can provide a holistic optimization tool for mitigating the ARG/MGE transmission potential of AD.
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Affiliation(s)
- Nervana Haffiez
- Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
| | - Tae Hyun Chung
- Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
| | - Basem S Zakaria
- Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
| | | | | | | | - Bipro Ranjan Dhar
- Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada.
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14
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Zhang H, Zhang L, Wang S, Zhang L. Online water quality monitoring based on UV-Vis spectrometry and artificial neural networks in a river confluence near Sherfield-on-Loddon. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:630. [PMID: 35920913 PMCID: PMC9349112 DOI: 10.1007/s10661-022-10118-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 05/15/2022] [Indexed: 06/15/2023]
Abstract
Water quality monitoring is very important in agricultural catchments. UV-Vis spectrometry is widely used in place of traditional analytical methods because it is cost effective and fast and there is no chemical waste. In recent years, artificial neural networks have been extensively studied and used in various areas. In this study, we plan to simplify water quality monitoring with UV-Vis spectrometry and artificial neural networks. Samples were collected and immediately taken back to a laboratory for analysis. The absorption spectra of the water sample were acquired within a wavelength range from 200 to 800 nm. Convolutional neural network (CNN) and partial least squares (PLS) methods are used to calculate water parameters and obtain accurate results. The experimental results of this study show that both PLS and CNN methods may obtain an accurate result: linear correlation coefficient (R2) between predicted value and true values of TOC concentrations is 0.927 with PLS model and 0.953 with CNN model, R2 between predicted value and true values of TSS concentrations is 0.827 with PLS model and 0.915 with CNN model. CNN method may obtain a better linear correlation coefficient (R2) even with small number of samples and can be used for online water quality monitoring combined with UV-Vis spectrometry in agricultural catchment.
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Affiliation(s)
- Hongming Zhang
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Lifu Zhang
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100101, China
| | - Sa Wang
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100101, China
| | - LinShan Zhang
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100101, China
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15
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Food’s Waste Water Biosolid Assessment against Toxic Element Absorbability of Food’s Cropping Soil Plant by Dominance Theory. ADSORPT SCI TECHNOL 2021. [DOI: 10.1155/2021/7945807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The blending of the Food’s Waste Water Biosolid (FWWB) fertilizer with Food’s Cropping Soil (FsCS) results the absorption of the toxic macromicroorganisms from FsCS (is known as absorbability index). It is observed that such as blending not only increase the fertility and productivity of FsCS by neutralizing or absorbing the macromicroorganisms but also catering the necessary nutrition to plants. The authors sensed that a few research works are conducted recently in the dimension of evaluating the best FWWB among available FWWBs under
-(objective) FWWB’s parameter models. On potential analysis of published research works, the authors claimed that there is yet no research document, which can evaluate the best FWWB among available FWWBs or assess the best absorbability index of
-(objective) as well as
-(subjective) FWWB’s model corresponding to evaluated FWWBs or alternative points. It is accepted as a first research challenge. On extensive review, the authors determined that published FWWB’s parameter models are simulated by only single or nondynamic multivariable optimization techniques, which is accepted as a second research challenge. To address both research challenges, preliminary, the authors developed and proposed FWWB’s parameter model, consisted of physical, chemical, and biological parameters corresponding to
and
in nature via auditing a real case of FWWB alternative points such as Narendr Rice Mill-
, Liese Mahamaya Rice Mill-
, Vijay Rice Mill-
, Mahim Rice Mill-
, and Dhansingh Rice Mill-
and their characteristics vs. parameters. Next, the authors framed the FWWB parameter model by acquiring
and
information against
-physical, chemical, and
-biological parameters corresponding to FWWB alternative points. To evaluate the results, the authors applied the robust multiparameter optimization “RMPO” (crisp VIKOR “VIseKriterijumska Optimizacija I Kompromisno Resenje” and FMF “Full Multiplicative Form technique with dominance theory”) approach on defuzzified
-data and
-data to evaluate the best FWWB point among available based on absorbability index assessment. The results are described in summary part.
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16
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Ugya AY, Ajibade FO, Hua X. The efficiency of microalgae biofilm in the phycoremediation of water from River Kaduna. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 295:113109. [PMID: 34216901 DOI: 10.1016/j.jenvman.2021.113109] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 06/09/2021] [Accepted: 06/15/2021] [Indexed: 06/13/2023]
Abstract
This study is aimed at investigating the efficiency of microalgae biofilm in the phycoremediation of water from a polluted river. Freshwater microalgae biofilm inherent in a contaminated petrochemical stream was employed to remediate water from the River Kaduna, which is the largest river in Kaduna town, Kaduna State, Nigeria, and serves as the primary water source in Kaduna town. The results indicate high reduction efficiency of some physicochemical parameters and pollutants (turbidity (71%), conductivity (9.8%), sulfate (37.5%), alkalinity (62.5%), chloride (11.5%), TDS (9.9%), TSS (66.7%), nitrate (42.9%), COD (24%), and BOD (33%), Cd (70.0%), Ni (74.0%) and Pb (71.0%)), indicating the effectiveness of microalgae biofilm in the phycoremediation of water from River Kaduna. According to scanning electron microscope (SEM) observation, the microalgae biofilm has rough surface morphology after the treatment of the river water, which implies that the biofilm was capable of removing the pollutants in water via biosorption. Other characterizations such as XRF, XRD, and FTIR also buttressed that biosorption was the primary removal mechanism of pollutants by microalgae biofilm. Besides, the results also show the production of ROS during the treatment of water from the River Kaduna by the microalgae biofilm. This high concentration of ROS produced during the treatment correlates significantly with pollutant degradation. The GC-MS analysis of the microalgae biofilm shows the involvement of some phytochemicals in the process of pollutant degradation. As a result, microalgae biofilm is a simple and cost-effective method of polluted water phycoremediation with promising applications and future prospects.
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Affiliation(s)
- Adamu Yunusa Ugya
- Key Lab of Groundwater Resources and Environment of Ministry of Education, Key Lab of Water Resources and Aquatic Environment of Jilin Province, College of New Energy and Environment, Jilin University, Changchun, 130012, China; Department of Environmental Management, Kaduna State University, Kaduna, Nigeria
| | - Fidelis Odedishemi Ajibade
- Department of Civil and Environmental Engineering, Federal University of Technology Akure, PMB 704, Nigeria; Key Lab of Environmental Biotechnology, Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Xiuyi Hua
- Key Lab of Groundwater Resources and Environment of Ministry of Education, Key Lab of Water Resources and Aquatic Environment of Jilin Province, College of New Energy and Environment, Jilin University, Changchun, 130012, China.
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