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Priyadarshanee M, Das S. Spectra metrology for interaction of heavy metals with extracellular polymeric substances (EPS) of Pseudomonas aeruginosa OMCS-1 reveals static quenching and complexation dynamics of EPS with heavy metals. JOURNAL OF HAZARDOUS MATERIALS 2024; 466:133617. [PMID: 38306836 DOI: 10.1016/j.jhazmat.2024.133617] [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: 10/13/2023] [Revised: 01/08/2024] [Accepted: 01/23/2024] [Indexed: 02/04/2024]
Abstract
The adsorption behavior and interaction mechanisms of extracellular polymeric substances (EPS) of Pseudomonas aeruginosa OMCS-1 towards chromium (Cr), lead (Pb), and cadmium (Cd) were investigated. EPS-covered (EPS-C) cells exhibited significantly higher (p < 0.0001; two-way ANOVA) removal of Cr (85.58 ± 0.39%), Pb (81.98 ± 1.02%), and Cd (73.88 ± 1%) than EPS-removed (EPS-R) cells. Interactions between EPS-heavy metals were spontaneous (ΔG<0). EPS-Cr(VI) and EPS-Pb(II) binding were exothermic (ΔH<0), while EPS-Cd(II) binding was endothermic (ΔH>0) process. EPS bonded to Pb(II) via inner-sphere complexation by displacement of surrounding water molecules, while EPS-Cr(VI) and EPS-Cd(II) binding occurred through outer-sphere complexation via electrostatic interactions. Increased zeta potential of Cr (29.75%), Pb (41.46%), and Cd (46.83%) treated EPS and unchanged crystallinity (CIXRD=0.13), inferred EPS-metal binding via both electrostatic interactions and complexation mechanism. EPS-metal interaction was predominantly promoted through hydroxyl, amide, carboxyl, and phosphate groups. Metal adsorption deviated EPS protein secondary structures. Strong static quenching mechanism between tryptophan protein-like substances in EPS and heavy metals was evidenced. EPS sequestered heavy metals via complexation with C-O, C-OH, CO/O-C-O, and NH/NH2 groups and ion exchange with -COOH group. This study unveils the fate of Cr, Pb, and Cd on EPS surface and provides insight into the interactions among EPS and metal ions for metal sequestration.
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Affiliation(s)
- Monika Priyadarshanee
- Laboratory of Environmental Microbiology and Ecology (LEnME), Department of Life Science, National Institute of Technology, Rourkela 769 008, Odisha, India
| | - Surajit Das
- Laboratory of Environmental Microbiology and Ecology (LEnME), Department of Life Science, National Institute of Technology, Rourkela 769 008, Odisha, India.
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Narasimhappa P, Singh S, Ramamurthy PC. Synthesis of water-soluble CdS quantum dots for the fluorescence detection of tetracycline. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 338:122682. [PMID: 37802285 DOI: 10.1016/j.envpol.2023.122682] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 09/25/2023] [Accepted: 10/01/2023] [Indexed: 10/08/2023]
Abstract
An effective strategy for combating antibiotic-resistant bacteria (ARB) entails the early detection of antibiotics during the initial stages of water treatment facilities. In this context, cadmium sulfide quantum dots (CdS QDs) were employed for the precise detection of tetracycline (TET), an emerging contaminant, in water. CdS QDs with fluorescence properties were synthesized by culturing Citrobacter freundii bacteria. The CdS QDs were characterized by spectroscopy techniques, and the quantum efficiency was estimated to be 55.8% which is ∼2-fold high compared to the standard rhodamine-B solution. The fluorescence of CdS QDs was quenched at 440 nm in the presence of TET. The linear range of TET was varied from 10 to 100 μM with a lower limit of detection of ∼23 nM. The CdS QDs were used to detect TET in river water, tap water, and milk which showed an excellent recovery rate. Therefore, the novel biosynthesis CdS QDs can be a significant fluorescence probe for the detection of TET that shows exceptional sensitivity and selectivity.
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Affiliation(s)
- Pavithra Narasimhappa
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, India
| | - Simranjeet Singh
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, India
| | - Praveen C Ramamurthy
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, India; Department of Materials Engineering, Indian Institute of Science, Bengaluru, 560012, India.
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Zulfiqar U, Haider FU, Maqsood MF, Mohy-Ud-Din W, Shabaan M, Ahmad M, Kaleem M, Ishfaq M, Aslam Z, Shahzad B. Recent Advances in Microbial-Assisted Remediation of Cadmium-Contaminated Soil. PLANTS (BASEL, SWITZERLAND) 2023; 12:3147. [PMID: 37687393 PMCID: PMC10490184 DOI: 10.3390/plants12173147] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 08/29/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023]
Abstract
Soil contamination with cadmium (Cd) is a severe concern for the developing world due to its non-biodegradability and significant potential to damage the ecosystem and associated services. Industries such as mining, manufacturing, building, etc., rapidly produce a substantial amount of Cd, posing environmental risks. Cd toxicity in crop plants decreases nutrient and water uptake and translocation, increases oxidative damage, interferes with plant metabolism and inhibits plant morphology and physiology. However, various conventional physicochemical approaches are available to remove Cd from the soil, including chemical reduction, immobilization, stabilization and electro-remediation. Nevertheless, these processes are costly and unfriendly to the environment because they require much energy, skilled labor and hazardous chemicals. In contrasting, contaminated soils can be restored by using bioremediation techniques, which use plants alone and in association with different beneficial microbes as cutting-edge approaches. This review covers the bioremediation of soils contaminated with Cd in various new ways. The bioremediation capability of bacteria and fungi alone and in combination with plants are studied and analyzed. Microbes, including bacteria, fungi and algae, are reported to have a high tolerance for metals, having a 98% bioremediation capability. The internal structure of microorganisms, their cell surface characteristics and the surrounding environmental circumstances are all discussed concerning how microbes detoxify metals. Moreover, issues affecting the effectiveness of bioremediation are explored, along with potential difficulties, solutions and prospects.
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Affiliation(s)
- Usman Zulfiqar
- Department of Agronomy, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan;
| | - Fasih Ullah Haider
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China;
- University of Chinese Academy of Sciences, Beijing 100039, China
| | | | - Waqas Mohy-Ud-Din
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan;
- Department of Soil and Environmental Sciences, Ghazi University, D. G. Khan 32200, Pakistan
- Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, Baltimore, MD 21202, USA
| | - Muhammad Shabaan
- Land Resources Research Institute (LRRI), National Agricultural Research Centre (NARC), Islamabad, Pakistan;
| | - Muhammad Ahmad
- Department of Agronomy, University of Agriculture, Faisalabad 38040, Pakistan; (M.A.); (M.I.)
| | - Muhammad Kaleem
- Department of Botany, University of Agriculture, Faisalabad 38040, Pakistan;
| | - Muhammad Ishfaq
- Department of Agronomy, University of Agriculture, Faisalabad 38040, Pakistan; (M.A.); (M.I.)
- Department of Agriculture, Extension, Azad Jammu & Kashmir, Pakistan
| | - Zoya Aslam
- Soil and Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Constituent College of Pakistan Institute of Engineering and Applied Sciences, Faisalabad, Pakistan
| | - Babar Shahzad
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS 7001, Australia
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Narayanan M, Ma Y, Al Obaid S, Alfarraj S, Duc PA, Karuppusamy I. Eichhornia crassipes biochar aided pollutants sorption competence of multi-metal tolerant fungi species on South Pennar river. ENVIRONMENTAL RESEARCH 2023; 231:116152. [PMID: 37224949 DOI: 10.1016/j.envres.2023.116152] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/12/2023] [Accepted: 05/13/2023] [Indexed: 05/26/2023]
Abstract
The number of studies about the use of efficient techniques to treat contaminated water bodies has increased in recent years. The use of bioremediation method for the reduction of contaminants from aqueous system is receiving a lot of attention. Thus, this study was designed to assess the Eichhornia crassipes biochar amended pollutants sorption competence of multi-metal tolerant Aspergillus flavus on South Pennar River. The physicochemical characteristics declared that the, half of the parameters (turbidity, TDS, BOD, COD, Ca, Mg, Fe, free NH3, Cl-, and F-) of South Pennar River were beyond the permissible limits. Furthermore, the lab-scale bioremediation investigation with different treatment groups (group I, II, and III) revealed that the group III (E. crassipes biochar and A. flavus mycelial biomass) showed considerable remediation efficiency on South Pennar River water in 10 days of treatment. The metals adsorbed on the surface of E. crassipes biochar and A. flavus mycelial biomass was also affirmed by SEM analysis. Hence such findings, E. crassipes biochar amended A. flavus mycelial biomass could be a sustainable method of remediating contaminated South Pennar River water.
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Affiliation(s)
- Mathiyazhagan Narayanan
- Division of Research and Innovations, Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 602 105, Tamil Nadu, India
| | - Ying Ma
- College of Resources and Environment, Southwest University, Chongqing 400716, China
| | - Sami Al Obaid
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box -2455, Riyadh, 11451, Saudi Arabia
| | - Saleh Alfarraj
- Zoology Department, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Pham Anh Duc
- Faculty of Safety Engineering, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam
| | - Indira Karuppusamy
- Emerging Materials for Energy and Environmental Applications Research Group, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam; Faculty of Environment, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam.
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Chau TP, Devanesan S, Farhat K, Liu X, Jhanani GK. Phytoremediation efficiency of Vigna mungo with the amalgamation of indigenous metal tolerant bacterial strain on metal polluted agriculture soil. ENVIRONMENTAL RESEARCH 2023:116291. [PMID: 37276971 DOI: 10.1016/j.envres.2023.116291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 05/23/2023] [Accepted: 05/30/2023] [Indexed: 06/07/2023]
Abstract
This research was performed to evaluate physico-chemical properties of farmland soil nearby the magnesite mine site. Unexpectedly, few physico-chemical properties were crossing the acceptable limits. Particularly, the quantities of Cd (112.34 ± 3.25), Pb (386.42 ± 11.71), Zn (854.28 ± 3.53), and Mn (2538 ± 41.11) were crossing the permissible limits. Among 11 bacterial cultures isolated from the metal contaminated soil, 2 isolates names as SS1 and SS3 showed significant multi-metal tolerance up to the concentration of 750 mg L-1. Furthermore, these strains also showed considerable metal mobilization as well as absorption ability on metal contaminated soil under in-vitro conditions. In a short duration of treatment, these isolates effectively mobilize and absorb the metals from the polluted soil. The results obtained from the greenhouse investigation with Vigna mungo revealed that the among various treatment (T1 to T5) groups, the T3 (V.mungo + SS1+SS3) showed remarkable phytoremediation potential (Pb: 50.88, Mn: 152, Cd: 14.54, and Zn: 67.99 mg kg-1) on metal contaminated soil. Furthermore, these isolates influence the growth as well as biomass of V.mungo under greenhouse conditions on metal contaminated soil. These findings suggest that combining multi-metal tolerant bacterial isolates can improve the phytoextraction efficiency of V.mungo on metal-contaminated soil.
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Affiliation(s)
- Tan Phat Chau
- Faculty of Applied Technology, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam
| | - Sandhanasamy Devanesan
- Department of Physics and Astronomy, College of Science, King Saud University, P. O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Karim Farhat
- Department of Urology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Xinghui Liu
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, 999077, Hong Kong, China
| | - G K Jhanani
- University Centre for Research & Development, Chandigarh University, Mohali, 140103, India.
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Lan Chi NT, Thu Hương ĐT, Đạo P, Lapcik V. Multi-pollutants (organic and inorganic) removal potential of scenedesmus species on municipal sewage water and analyzed their phycoremediation mechanisms. ENVIRONMENTAL RESEARCH 2023:116301. [PMID: 37268203 DOI: 10.1016/j.envres.2023.116301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/29/2023] [Accepted: 05/31/2023] [Indexed: 06/04/2023]
Abstract
Municipal sledge water is a combination of residential wastewater, industrial effluent, and precipitation water. The water quality parameters analyses results demonstrated that most of the parameters (pH: 5.6 ± 0.3, Turbidity: 102.31 ± 2.8 mg L-1, TH: 946.38 ± 3.7 mg L-1, BOD: 295.63 ± 5.4 mg L-1, COD: 482.41 ± 4.9 mg L-1, Ca: 278.74 ± 1.8 mg L-1, SO42-: 559.64 ± 11.4 mg L-1, Cd: 18.56 ± 1.37 mg L-1, Cr: 31.25 ± 1.49 mg L-1, Pb: 21.45 ± 1.12 mg L-1, and Zn: 48.65 ± 1.56 mg L-1) were considerably increased in quantities with slightly acidic in condition. The in-vitro phycoremediation study was carried out for two weeks with pre-identified Scenedesmus sp. Biomass in different groups of treatments (A, B, C, and D). Interestingly, most of the physicochemical parameters were significantly reduced in group C (4 × 103 cells mL-1) treated municipal sledge water in a shorter treatment period than in the other treatment groups. The phycoremediation percentage of group C were found as pH: 32.85%, EC:52.81%, TDS: 31.32%, TH: 25.58%, BOD:34.02%, COD:26.47%, Ni: 58.94%, Ca:44.75%, K: 42.74%, Mg:39.52%, Na: 36.55%, Fe: 68%, Cl: 37.03%, SO42-: 16.77%, PO43-: 43.15%, F: 55.55%, Cd:44.88%, Cr:37.21%, Pb:43.8%, and Zn:33.17%. These findings suggest that increased biomass from Scenedesmus sp. Can be used to significantly remediate municipal sledge water and that the obtained biomass and treated sledge can be used as feedstock's for bio fuel as well as bio fertilizer, respectively.
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Affiliation(s)
- Nguyen Thuy Lan Chi
- Faculty of Safety Engineering, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam; Faculty of Mining and Geology Technical University of Ostrava, Czech Republic.
| | - Đinh Thị Thu Hương
- Faculty of Safety Engineering, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam
| | - Phan Đạo
- Faculty of Mining and Geology Technical University of Ostrava, Czech Republic
| | - Vladimir Lapcik
- Faculty of Mining and Geology Technical University of Ostrava, Czech Republic
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Chau TP, Rajkumar R, S Aloufi A, Krishnan R, Tharifkhan SA. Textile effluents decolourization potential of metal tolerant Aspergillus species and optimization of biomass concentration and temperature. ENVIRONMENTAL RESEARCH 2023:116294. [PMID: 37268209 DOI: 10.1016/j.envres.2023.116294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/26/2023] [Accepted: 05/30/2023] [Indexed: 06/04/2023]
Abstract
This research was performed to assess the physicochemical properties of textile effluents collected from different sampling points (industrial park, Hosur, Tamil Nadu, India) and also evaluate the multiple metal tolerance efficiency of pre-isolated Aspergillus flavus. Moreover, their textile effluent decolourization potential was investigated and quantity and temperature required for effective bioremediation was optimized. About 5 textile effluent samples (S0, S1, S2, S3, and S4) were collected from various sampling points and noted that certain physicochemical properties (pH: 9.64 ± 0.38, Turbidity: 18.39 ± 1.4 NTU, Cl-: 3185.38 ± 15.8 mg L-1, BOD: 82.52 ± 6.9 mg L-1, COD: 342.28 ± 8.9 mg L-1, Ni: 74.21 ± 4.31 mg L-1, Cr: 48.52 ± 18.34 mg L-1, Cd: 34.85 ± 1.2 mg L-1, Zn: 25.52 ± 2.4 mg L-1, Pb: 11.25 ± 1.5 mg L-1, Hg: 1.8 ± 0.05 mg L-1, and As: 7.1 ± 0.41 mg L-1) were beyond the permissible limits. The A. flavus, showed remarkable metal tolerance to Pb, As, Cr, Ni, Cu, Cd, Hg, and Zn on PDA plates with elevated dosage up to 1000 μg mL-1. The optimal dosage required for effective decolourization was found as 3 g (48.2%) and compare to dead biomass (42.1%) of A. flavus, the viable biomass showed remarkable decolourization activity on textile effluents in a short duration of treatment process. The optimal temperature for effective decolourization by viable biomass was found at 32 ᵒC. The toxic effects of S4 samples treated at 32 ᵒC on O. sativa as well as brine shrimp larvae were significantly reduced. These findings show that pre-isolated A. flavus viable biomass can be used to decolorize metal-enriched textile effluent. Furthermore, the effectiveness of their metals remediation should be investigated using ex-situ and ex-vivo approaches.
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Affiliation(s)
- Tan Phat Chau
- Faculty of Applied Technology, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam.
| | - R Rajkumar
- Department of Livestock Products Technology, (Meat Science) Veterinary College and Research Institute, Namakkal, Tamil Nadu, India
| | - Abeer S Aloufi
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
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Lan Chi NT, Thu Hương ĐT, Đạo P, Lapcik V. Biosorption potential of viable and dead Aspergillus flavus biomass on polluted pond water. ENVIRONMENTAL RESEARCH 2023:116293. [PMID: 37263476 DOI: 10.1016/j.envres.2023.116293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 05/27/2023] [Accepted: 05/30/2023] [Indexed: 06/03/2023]
Abstract
The State Industries Promotion Corporation of Tamil Nadu Ltd (SIPCOT) Lake is never dry; it is always full of water and was recently used as a waste reservoir by the native peoples and industrialists. Thus, this investigation was performed to assess the quality of the lake water and evaluate the possible biosorption potential of Aspergillus flavus on this lake water sample through batch model biosorption study. The water quality parameters analyses revealed that the lake water has been polluted with number of contaminates which including organic and inorganic. The most of the parameters such as pH (9.5 ± 0.7), turbidity (38 ± 1.1 NT unit), TDS (2350.12 ± 31.24 mg L-1), BOD (40.21 ± 3.27 mg L-1), and COD (278.61 ± 11.84 mg L-1), Ca (212.85 ± 9.64 mg L-1), Fe (3.1 ± 0.8 mg L-1), NH3 (15.62 ± 0.5 mg L-1), NO3-(5.84 ± 0.14 mg L-1), Cl- (1257.85 ± 4.6 mg L-1),Cd (15.64 ± 0.29 mg L-1), Cr (6.86 ± 0.34 mg L-1), Pb (25.61 ± 3.41 mg L-1), and Hg (1.8 ± 0.024 mg L-1) content of water sample were beyond the acceptable limits. Fortunately, the A. flavus dead biomass showed considerable biosorption potential (Cd: 27.5 ± 1.1%, Cr: 13.48 ± 1.2%, Pb: 21.27 ± 1.5%, and Hg: 6.49 ± 0.86% in 180 min of contact time) than viable form on polluted lake water. Since, reduced the quantities of most of the parameters which beyond the permissible limit and also increased remarkable percentage of DO in the water sample in a short period of contact time. These findings suggest that A. flavus dead biomass can be used for bioremediation of polluted water in a sustainable manner.
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Affiliation(s)
- Nguyen Thuy Lan Chi
- Faculty of Safety Engineering, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam; Faculty of Mining and Geology Technical University of Ostrava, Czech Republic.
| | - Đinh Thị Thu Hương
- Faculty of Safety Engineering, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam
| | - Phan Đạo
- Faculty of Mining and Geology Technical University of Ostrava, Czech Republic
| | - Vladimir Lapcik
- Faculty of Mining and Geology Technical University of Ostrava, Czech Republic
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Lan Chi NT, Thu Hương ĐT, Đạo P, Lapcik V. Phytoremediation proficiency of Jatropha gossypifolia under the influence of Pseudomonas aeruginosa on metal contaminated soil. ENVIRONMENTAL RESEARCH 2023:116295. [PMID: 37263472 DOI: 10.1016/j.envres.2023.116295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 05/27/2023] [Accepted: 05/30/2023] [Indexed: 06/03/2023]
Abstract
This investigation was performed to evaluate the metal pollution and possible phytoremediation on bauxite mine surrounding farmland soil. The quality analysis results revealed that, the soil has been polluted with metals such as Al (13.25 ± 0.54 mg kg-1), Pb (336.18 ± 7.17 mg kg-1), Zn (382.18 ± 3.05 mg kg-1), and Cd (11.32 ± 0.28 mg kg-1) and possess poor essential element content. The test bacterium Pseudomonas aeroginosa showed considerable metal tolerance up to 100 mg kg-1 concentration of metals such as Al, Pb, Zn, and Cd. Besides that, it also possesses essential plant growth promoting traits such as sederophore, IAA, nitrogen fixation, and phosphate solubilization. The test bacterium P. aeroginosa demonstrated optimistic influence on the growth and phytoremediation ability of Jatropha gossypifolia on metal-polluted soil under greenhouse experiment with different treatment groups (I-V). Group I (J. gossypifolia seeds coated with P. aeroginosa) showed outstanding phytoremediation potential on metal polluted soil than other treatment groups. The group I reduced considerable quantity of metals (Al 42.79%, Pb 36.57%, Zn 47.06%, and Cd 39.57%) from the treated soil. It was significantly higher than the remediation potential of other treatment groups (II-V). These findings suggest that P. aeroginosa's metal tolerant and PGP characters can effectively influence the growth and phytoremediation potential of J. gossypifolia on metal polluted soil.
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Affiliation(s)
- Nguyen Thuy Lan Chi
- Faculty of Safety Engineering, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam; Faculty of Mining and Geology, Technical University of Ostrava, Czech Republic.
| | - Đinh Thị Thu Hương
- Faculty of Safety Engineering, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam
| | - Phan Đạo
- Faculty of Mining and Geology, Technical University of Ostrava, Czech Republic
| | - Vladimir Lapcik
- Faculty of Mining and Geology, Technical University of Ostrava, Czech Republic
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Ahmad Wadaan M, Baabbad A, Farooq Khan M, Shanmuganathan R, Daniel F. Phytotoxicity and cytotoxicity attributes of immobilized Bacillus cereus treated and untreated textile effluents on Vigna mungo seeds and Artemia franciscana larvae. ENVIRONMENTAL RESEARCH 2023; 231:116111. [PMID: 37178746 DOI: 10.1016/j.envres.2023.116111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 05/07/2023] [Accepted: 05/10/2023] [Indexed: 05/15/2023]
Abstract
The physicochemical attributes of textile effluents collected from secondary treatment stage was investigated in this study and also assess the biosorption potential of membrane immobilized Bacillus cereus and free form of Bacillus cereus on textile effluent through bioreactor model study to find a sustainable solution to manage the textile effluent as vital need. Furthermore, the phytotoxicity and cytotoxicity nature of treated and untreated textile effluents on Vigna mungo and Artemia franciscana larvae under laboratory conditions as a novel approach. The textile effluent physicochemical parameter analysis results showed that the properties such as colour (Hazen unit), pH, turbidity, As, Biological Oxygen Demand (BOD), Chemical Oxygen Demand (COD), Cd, Cl, Cr, Cu, Hg, Ni, Pb, SO42-, and Zn were beyond the acceptable limits. Bacillus cereus immobilized on a polyethylene membrane eliminated greater amounts of dye (25.0 ± 1.3, 56.5 ± 1.8, 57.18 ± 1.5, and 54.34 ± 1.7 Hazen unit from An1, Ae2, Ve3, and So4 respectively) and pollutants (As: 0.9-2.0, Cd: 6-8, Cr: 300-450, Cu: 5-7, Hg: 0.1-0.7, Ni: 8-14, Pb: 4-5, and Zn: 4-8 mg L-1) from textile effluent in a week of biosorption investigation using a bioreactor model (batch type) compared to a free form of B. cereus on textile effluent. The phytotoxicity and cytotoxicity study results revealed that the membrane immobilized B. cereus treated textile effluent exposure showed reduced phytotoxicity and minimal cytotoxicity (including mortality) percentage compared with free form B. cereus treated and untreated textile effluents. These entire results conclude that the membrane immobilized B. cereus may considerably minimize/detoxify the harmful pollutants from the textile effluents. A large scale level biosorption approach need to be performed to validate the maximum pollutants removing potential of this membrane immobilized bacteria species and optimal conditions for effective remediation.
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Affiliation(s)
- Mohammad Ahmad Wadaan
- Bio-Products Research Chair, Department of Zoology, College of Sciences, King Saud University, P.O. Box; 2455, Riyadh, 11451, Saudi Arabia.
| | - Almohannad Baabbad
- Bio-Products Research Chair, Department of Zoology, College of Sciences, King Saud University, P.O. Box; 2455, Riyadh, 11451, Saudi Arabia
| | - Muhammad Farooq Khan
- Bio-Products Research Chair, Department of Zoology, College of Sciences, King Saud University, P.O. Box; 2455, Riyadh, 11451, Saudi Arabia
| | | | - Freedon Daniel
- Department of Mechanical Engineering, SRM Institute of Science and Technology, Ghaziabad, 201204, India.
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Wu Y, Lu H, Thanh NC, Al Obaid S, Alfarraj S, Jhanani GK, Xia C. Mixed pollutants adsorption potential of Eichhornia crassipes biochar on Manihot esculenta processing industry effluents. ENVIRONMENTAL RESEARCH 2023; 231:116074. [PMID: 37150391 DOI: 10.1016/j.envres.2023.116074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/03/2023] [Accepted: 05/05/2023] [Indexed: 05/09/2023]
Abstract
The starch is one of the most essential food stuff and serves as a raw material for number of food products for the welfare of human. During the production process enormous volume of effluents are being released into the environment. In this regard, this study was performed to evaluate the physicochemical traits of Manihot esculenta processing effluent and possible sustainable approach to treat this issue using Eichhornia crassipes based biochar. The standard physicochemical properties analysis revealed that the most the parameters (EC was recorded as 4143.17 ± 67.12 mhom-1, TDS: 5825.62 ± 72.14 mg L-1, TS: 7489.21 ± 165.24 mg L-1, DO: 2.12 ± 0.21 mg L-1, BOD 2673.74 ± 153.53 mg L-1, COD: 6672.66 ± 131.21 mg L-1, and so on) were beyond the permissible limits and which can facilitate eutrophication. Notably, the DO level was considerably poor and thus can support the eutrophication. The trouble causing E. crassipes biomass was used as raw material for biochar preparation through pyrolysis process. The temperature ranging from 250 to 350 °C with residence time of 20-60 min were found as suitable temperature to provide high yield (56-33%). Furthermore, 10 g L-1 concentration of biochar showed maximum pollutant adsorption than other concentrations (5 g L-1 and 15 g L-1) from 1 L of effluent. The suitable temperature required to remediate the pollutants from the effluent by biochar was found as 45 °C and 35 °C at 10 g L-1 concentration. These results conclude that at such optimized condition, the E. crassipes effectively adsorbed most of the pollutants from the M. esculenta processing effluent. Furthermore, such pollutants adsorption pattern on biochar was confirmed by SEM analysis.
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Affiliation(s)
- Yingji Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Haiying Lu
- College of Biology and the Environment, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Nguyen Chi Thanh
- Faculty of Applied Sciences, Ho Chi Minh City University of Technology and Education, Ho Chi Minh City, 700000, Viet Nam
| | - Sami Al Obaid
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box -2455, Riyadh, 11451, Saudi Arabia
| | - Saleh Alfarraj
- Zoology Department, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - G K Jhanani
- University Centre for Research & Development, Chandigarh University, Mohali, 140103, India.
| | - Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China.
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Wu Y, Xia C, Zhang L, Thanh NC, Al Obaid S, Alfarraj S, Jhanani GK. Organic gelatin-coated ZnNPs for the production of biodegradable biopolymer films. ENVIRONMENTAL RESEARCH 2023; 231:116059. [PMID: 37149019 DOI: 10.1016/j.envres.2023.116059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 05/01/2023] [Accepted: 05/03/2023] [Indexed: 05/08/2023]
Abstract
Petroleum-based polymers have raised significant environmental concerns. It is critical to create compostable, good biocompatibility, and nontoxic polymers to replace petroleum-based polymers. Thus, this research was performed to extract the gelatin from fish waste cartilage and coated it over the surface of spherical shaped pre-synthesized ZnNPs along with a suitable plasticizer to produce the biodegradable film. The presence of gelatin on the surface of ZnNPs was first confirmed using UV-visible spectrophotometers, as well as the characteristic functional groups involved in the coating were investigated using Fourier-Transform Infrared Spectroscopy (FTIR). The morphological appearance of gelatin coated ZnNPs was ranged from 41.43 to 52.31 nm, the shape was found as platonic to pentagonal shape, and the fabricated film was observed through Scanning Electron Microscope (SEM). The thickness, density, and tensile strength of fabricated film were found to be 0.04-0.10 mm, 0.10-0.27 g/cm3, and 31.7 kPa. These results imply that the fish waste cartilage gelatin coated ZnNPs-based nanocomposite can be used for film preparation as well as a wrapper for food and pharmaceutical packaging.
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Affiliation(s)
- Yingji Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials, Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials, Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Li Zhang
- Co-Innovation Center for Sustainable Forestry in Southern China, Bamboo Research, Institute, Nanjing Forestry University, Nanjing, 210037, China
| | - Nguyen Chi Thanh
- Faculty of Applied Sciences, Ho Chi Minh City University of Technology and Education, Ho Chi Minh City, 700000, Viet Nam
| | - Sami Al Obaid
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box -2455, Riyadh, 11451, Saudi Arabia
| | - Saleh Alfarraj
- Zoology Department, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - G K Jhanani
- University Centre for Research & Development, Chandigarh University, Mohali, 140103, India.
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