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Hossain MK, Hasan MM, Islam MS, Mefford OT, Ahmad H, Rahman MM. Polypyrrole Coating via Lemieux-von Rudloff Oxidation on Magnetite Nanoparticles for Highly Efficient Removal of Chromium(VI) from Wastewater. ACS OMEGA 2024; 9:19077-19088. [PMID: 38708251 PMCID: PMC11064182 DOI: 10.1021/acsomega.3c09864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 03/28/2024] [Accepted: 04/10/2024] [Indexed: 05/07/2024]
Abstract
An alternative way for the coating of polypyrrole (PPy) polymer on hydrophobic magnetite (Fe3O4) nanoparticles is reported here to capture toxic chromium ions, Cr (VI), present in water. Iron oxide magnetic nanoparticles (Fe3O4) were synthesized by the conventional coprecipitation technique using FeCl3·6H2O and FeSO4·7H2O iron precursors and subsequently modified with oleic acid (OA). Then OA-Fe3O4 hydrophobic nanoparticles were oxidized using the Lemieux-von Rudloff reaction to transfer OA into hydrophilic azelaic acid (AA) (HOOC(CH2)7COOH-modified magnetic nanoparticles (AA-Fe3O4). Finally, a PPy polymer coating was formed by a seeded polymerization of pyrrole, using AA-Fe3O4 as seeds. The average size of PPy/Fe3O4 nanocomposites is 12.33 nm and is almost spherical in shape. The surface composition is confirmed by FTIR and thermogravimetry analyses. An X-ray diffraction study confirmed the formation of highly crystalline Fe3O4 nanoparticles, and the crystallinity was retained after the surface modification. The adsorption study suggested that the Cr(VI) ion adsorption is highly pH-dependent and the maximum amount of adsorption is obtained at pH 2.0. The adsorption results revealed that the Langmuir model provided the best fit for the isotherm, with a maximum adsorption capacity reaching approximately 173.22 mg g-1 at 323 K. Spontaneous and endothermic adsorption processes were confirmed by evaluating the thermodynamic parameters obtained in this investigation. The kinetics study showed that the interaction between Cr(VI) ions and magnetic nanocomposites was directed by a pseudo-second-order rate process indicating chemisorption. The prepared PPy/Fe3O4 nanocomposites would be promising adsorbents to purify water by eliminating Cr(VI) metal ions from wastewater.
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Affiliation(s)
- Md. Kawsar Hossain
- Department
of Chemistry, Pabna University of Science
and Technology, Pabna 6600, Bangladesh
| | - Md. Mehadi Hasan
- Polymer
Colloids & Nanomaterials Group, Department of Chemistry, Faculty of Science, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - Md. Shahidul Islam
- Polymer
Colloids & Nanomaterials Group, Department of Chemistry, Faculty of Science, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - O. Thompson Mefford
- Department
of Materials Science & Engineering, Clemson University, Clemson, South Carolina 29634-0971, United States
| | - Hasan Ahmad
- Polymer
Colloids & Nanomaterials Group, Department of Chemistry, Faculty of Science, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - Md. Mahbubor Rahman
- Polymer
Colloids & Nanomaterials Group, Department of Chemistry, Faculty of Science, University of Rajshahi, Rajshahi 6205, Bangladesh
- Department
of Materials Science & Engineering, Clemson University, Clemson, South Carolina 29634-0971, United States
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Liu B, Xin YN, Zou J, Khoso FM, Liu YP, Jiang XY, Peng S, Yu JG. Removal of Chromium Species by Adsorption: Fundamental Principles, Newly Developed Adsorbents and Future Perspectives. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020639. [PMID: 36677697 PMCID: PMC9861687 DOI: 10.3390/molecules28020639] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 12/24/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023]
Abstract
Emerging chromium (Cr) species have attracted increasing concern. A majority of Cr species, especially hexavalent chromium (Cr(VI)), could lead to lethal effects on human beings, animals, and aquatic lives even at low concentrations. One of the conventional water-treatment methodologies, adsorption, could remove these toxic Cr species efficiently. Additionally, adsorption possesses many advantages, such as being cost-saving, easy to implement, highly efficient and facile to design. Previous research has shown that the application of different adsorbents, such as carbon nanotubes (carbon nanotubes (CNTs) and graphene oxide (GO) and its derivatives), activated carbons (ACs), biochars (BCs), metal-based composites, polymers and others, is being used for Cr species removal from contaminated water and wastewater. The research progress and application of adsorption for Cr removal in recent years are reviewed, the mechanisms of adsorption are also discussed and the development trend of Cr treatment by adsorption is proposed.
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Affiliation(s)
- Bo Liu
- State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Panzhihua 617000, China
| | - Ya-Nan Xin
- State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Panzhihua 617000, China
| | - Jiao Zou
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
- School of Chemistry and Materials Engineering, Huizhou University, Huizhou 516007, China
| | - Fazal Muhammad Khoso
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Yi-Ping Liu
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Xin-Yu Jiang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Sui Peng
- State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Panzhihua 617000, China
- Correspondence: (S.P.); (J.-G.Y.); Tel./Fax: +86-731-88879616 (J.-G.Y.)
| | - Jin-Gang Yu
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
- Correspondence: (S.P.); (J.-G.Y.); Tel./Fax: +86-731-88879616 (J.-G.Y.)
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3
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Xu F, Chen P, Li H, Qiao S, Wang J, Wang Y, Wang X, Wu B, Liu H, Wang C, Xu H. Comparative transcriptome analysis reveals the differential response to cadmium stress of two Pleurotus fungi: Pleurotus cornucopiae and Pleurotus ostreatus. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:125814. [PMID: 33866290 DOI: 10.1016/j.jhazmat.2021.125814] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 03/24/2021] [Accepted: 04/02/2021] [Indexed: 06/12/2023]
Abstract
Pleurotus has great potential for heavy metal mycoremediation. Using comparative transcriptome analysis, the response of Pleurotus ostreatus and Pleurotus cornucopiae under Cd contamination was evaluated. P. ostreatus and P. cornucopia accumulated 0.34 and 0.46 mg/g Cd in mycelium, respectively. Cd removal elevated with its concentration elevation, which reached 56.47% and 54.60% for P. ostreatus and P. cornucopia with Cd at 20 mg/L. Low-level Cd (≤ 1 mg/L) had no significant influence on either fungus, while varied response was observed under high-level Cd. 705 differentially expressed genes (DEGs) were identified in P. cornucopia at Cd1 and Cd20, whereas 12,551 DEGs in P. ostreatus. Differentially regulated functional categories and pathways were also identified. ATP-binding cassette transporters were involved in Cd transport in P. cornucopia, whereas the endocytosis and phagosome pathways were more enhanced in P. ostreatus. 26 enzymes including peroxisomal enzymes catalase and superoxide dismutase were upregulated in P. ostreatus, whereas only cytosolic catalase was overexpressed in P. cornucopia, suggesting their different Cd detoxification pathways. Also, the mitogen-activated protein kinase signaling pathway involved in Cd resistance in both species instead of glutathione metabolism, although more active in P. ostreatus. These findings provided new insight into the molecular mechanism of mycoremediation and accumulator screening.
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Affiliation(s)
- Fei Xu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, Sichuan, PR China; Key Laboratory of Environment Protection, Soil ecological protection and pollution control, Sichuan University & Department of Ecology and Environment of Sichuan, Chengdu 610065, Sichuan, PR China
| | - Peng Chen
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, Sichuan, PR China; Key Laboratory of Environment Protection, Soil ecological protection and pollution control, Sichuan University & Department of Ecology and Environment of Sichuan, Chengdu 610065, Sichuan, PR China
| | - Hao Li
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, Sichuan, PR China; Key Laboratory of Environment Protection, Soil ecological protection and pollution control, Sichuan University & Department of Ecology and Environment of Sichuan, Chengdu 610065, Sichuan, PR China
| | - Suyu Qiao
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, Sichuan, PR China; Key Laboratory of Environment Protection, Soil ecological protection and pollution control, Sichuan University & Department of Ecology and Environment of Sichuan, Chengdu 610065, Sichuan, PR China
| | - Jiaxin Wang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, Sichuan, PR China
| | - Ying Wang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, Sichuan, PR China; Key Laboratory of Environment Protection, Soil ecological protection and pollution control, Sichuan University & Department of Ecology and Environment of Sichuan, Chengdu 610065, Sichuan, PR China
| | - Xitong Wang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, Sichuan, PR China; Key Laboratory of Environment Protection, Soil ecological protection and pollution control, Sichuan University & Department of Ecology and Environment of Sichuan, Chengdu 610065, Sichuan, PR China
| | - Bohan Wu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, Sichuan, PR China; Key Laboratory of Environment Protection, Soil ecological protection and pollution control, Sichuan University & Department of Ecology and Environment of Sichuan, Chengdu 610065, Sichuan, PR China
| | - Huangkang Liu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, Sichuan, PR China; Key Laboratory of Environment Protection, Soil ecological protection and pollution control, Sichuan University & Department of Ecology and Environment of Sichuan, Chengdu 610065, Sichuan, PR China
| | - Can Wang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, PR China.
| | - Heng Xu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, Sichuan, PR China; Key Laboratory of Environment Protection, Soil ecological protection and pollution control, Sichuan University & Department of Ecology and Environment of Sichuan, Chengdu 610065, Sichuan, PR China.
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4
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Tao F, Wang Y, Zhao Z, Liu X, Zhang G, Li C, Wang Z, Huo Q. Effective removal of Cr(VI) in aqueous solutions using Caulis lonicerae residue fermented by Phanerochaete chrysosporium. Prep Biochem Biotechnol 2020; 51:842-851. [DOI: 10.1080/10826068.2020.1805623] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Fengyun Tao
- College of Health and Environment, Beijing Union University, Beijing, People’s Republic of China
- Beijing Key Laboratory of Biomass Waste Resource Utilization, Beijing, People’s Republic of China
| | - Yue Wang
- College of Health and Environment, Beijing Union University, Beijing, People’s Republic of China
| | - Zhanhong Zhao
- Beijing Union University, Beijing, People’s Republic of China
| | - Xiaojing Liu
- College of Health and Environment, Beijing Union University, Beijing, People’s Republic of China
| | - Gaoyu Zhang
- College of Health and Environment, Beijing Union University, Beijing, People’s Republic of China
| | - Chi Li
- College of Health and Environment, Beijing Union University, Beijing, People’s Republic of China
| | - Zhaoxuan Wang
- College of Health and Environment, Beijing Union University, Beijing, People’s Republic of China
| | - Qing Huo
- College of Health and Environment, Beijing Union University, Beijing, People’s Republic of China
- Beijing Key Laboratory of Biomass Waste Resource Utilization, Beijing, People’s Republic of China
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5
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A nanoscale ferroferric oxide coated biochar derived from mushroom waste to rapidly remove Cr(VI) and mechanism study. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.biteb.2019.100253] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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6
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Li X, Xiao K, Ma H, Li L, Tan H, Xu H, Li Y. Mechanisms into the removal and translocation of cadmium by Oudemansiella radicata in soil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:6388-6398. [PMID: 30613894 DOI: 10.1007/s11356-018-4042-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 12/18/2018] [Indexed: 06/09/2023]
Abstract
This study investigated the removal and translocation mechanism of cadmium (Cd) by Oudemansiella radicata (O. radicata) in mushroom-soil rhizosphere and the fruiting body of mushroom. For this, the biomass, physiochemical parameters, and Cd distribution of O. radicata were examined in the soil spiked with 0, 10, 20, and 30 mg kg-1 Cd. The soil microecology and the Cd fractionation in the soil rhizosphere were also measured. Results showed that, O. radicata possesses high capability to tolerate Cd, although its surface phenotypic structure was influenced by high concentrations of Cd. The observed concentrations of Cd in O. radicata were in the following order: root (the part of stipe in soil) > pileus > stipe. The presence of Cd led to an increase in the production of antioxidant enzymes and glutathione (GSH). These results suggested that antioxidant enzymes and GSH assisted detoxification and accumulation of Cd within the mushroom. Meanwhile, in the soil rhizosphere, the concentrations of oxalic, citric, and malic acids were enhanced with the treatment of Cd, indicating that the production of these acids was closely related to the presence of Cd in soils. Additionally, the proportion of acid-soluble Cd was increased and the soil microecology (microbial counts, urease, and acid phosphatase activities) also enhanced with the inoculation of O. radicata. Overall, this study demonstrated that O. radicata is a promising candidate for the remediation of Cd-contaminated soil.
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Affiliation(s)
- Xuedan Li
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, People's Republic of China
| | - Kemeng Xiao
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, People's Republic of China
| | - Hang Ma
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, People's Republic of China
| | - Lingling Li
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, People's Republic of China
| | - Hang Tan
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, People's Republic of China
| | - Heng Xu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, People's Republic of China.
| | - Yunzhen Li
- Institute of Soil and Groundwater Pollution Control of Sichuan Academy of Environmental Sciences, Chengdu, 610065, Sichuan, People's Republic of China.
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7
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Debnath MK, Rahman MA, Minami H, Rahman MM, Alam MA, Sharafat MK, Hossain MK, Ahmad H. Single step modification of micrometer-sized polystyrene particles by electromagnetic polyaniline and sorption of chromium(VI) metal ions from water. J Appl Polym Sci 2019. [DOI: 10.1002/app.47524] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Mithun K. Debnath
- Department of Chemistry; Rajshahi University; Rajshahi 6205 Bangladesh
| | | | - Hideto Minami
- Graduate School of Engineering; Kobe University; Kobe 657-8501 Japan
| | | | - Mohammad A. Alam
- Department of Chemistry; Rajshahi University; Rajshahi 6205 Bangladesh
| | | | | | - Hasan Ahmad
- Department of Chemistry; Rajshahi University; Rajshahi 6205 Bangladesh
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8
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Kulshreshtha S. Mushroom Biomass and Spent Mushroom Substrate As Adsorbent to Remove Pollutants. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/978-3-319-92162-4_9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/25/2023]
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9
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Wang C, Liu H, Liu Z, Gao Y, Wu B, Xu H. Fe 3O 4 nanoparticle-coated mushroom source biomaterial for Cr(VI) polluted liquid treatment and mechanism research. ROYAL SOCIETY OPEN SCIENCE 2018; 5:171776. [PMID: 29892371 PMCID: PMC5990751 DOI: 10.1098/rsos.171776] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 03/28/2018] [Indexed: 06/08/2023]
Abstract
Agrocybe cylindracea substrate-Fe3O4 (ACS-Fe3O4), a Fe3O4 nanoparticle-coated biomaterial derived from agriculture waste from mushroom cultivation, was developed to remove hexavalent chromium (Cr(VI)) from liquid. After modification, material surface became uneven with polyporous and crinkly structure which improved Cr-accommodation ability in a sound manner. Optimized by the Taguchi method, Cr(VI) removal percentage was up to 73.88 at 240 min, 40°C, pH 3, Cr(VI) concentration 200 mg l-1, dosage 12 g l-1, rpm 200. The efficient Cr(VI) removal was due to the combined effect of adsorption and redox. In addition, verification test using tannery wastewater, with removal percentage of Cr(VI) and total Cr reaching 98.35 and 95.6, provided further evidence for the efficiency and feasibility of ACS-Fe3O4. The effect of storage time of the material on Cr(VI) removal was small, which enhanced its value in practical application. Results indicated that metal removal was mainly influenced by solution concentration, adsorbent dosage and treatment time. The experimental data obtained were successfully fitted with the Langmuir isotherm model. Thermodynamic study indicated the endothermic nature of the process. The results confirmed that ACS-Fe3O4 as novel material derived from waste, with long-term stability, could be applied for heavy metal removal from wastewater and waste cycling.
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Affiliation(s)
| | | | | | | | | | - Heng Xu
- Key Laboratory of Bio-resources and Eco-environment (Ministry of Education), College of Life Science, Sichuan University, Chengdu, Sichuan 610064, People's Republic of China
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Majumder R, Sheikh L, Naskar A, Vineeta, Mukherjee M, Tripathy S. Depletion of Cr(VI) from aqueous solution by heat dried biomass of a newly isolated fungus Arthrinium malaysianum: A mechanistic approach. Sci Rep 2017; 7:11254. [PMID: 28900147 PMCID: PMC5595784 DOI: 10.1038/s41598-017-10160-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 07/27/2017] [Indexed: 11/09/2022] Open
Abstract
For the first time, the heat dried biomass of a newly isolated fungus Arthrinium malaysianum was studied for the toxic Cr(VI) adsorption, involving more than one mechanism like physisorption, chemisorption, oxidation-reduction and chelation. The process was best explained by the pseudo-second order kinetic model and Redlich-Peterson isotherm with maximum predicted biosorption capacity (Qm) of 100.69 mg g−1. Film-diffusion was the rate-controlling step and the adsorption was spontaneous, endothermic and entropy-driven. The mode of interactions between Cr(VI) ions and fungal biomass were investigated by several methods [Fourier Transform-Infrared Spectroscopy (FT-IR), X-ray Diffraction (XRD) and Energy-Dispersive X-ray spectroscopy (EDX)]. X-ray Photoelectron Spectroscopy (XPS) studies confirmed significant reduction of Cr(VI) into non-toxic Cr(III) species. Further, a modified methodology of Atomic Force Microscopy was successfully attempted to visualize the mycelial ultra-structure change after chromium adsorption. The influence of pH, biomass dose and contact time on Cr(VI) depletion were evaluated by Response Surface Model (RSM). FESEM-EDX analysis also exhibited arsenic (As) and lead (Pb) peaks on fungus surface upon treating with synthetic solutions of NaAsO2 and Pb(NO3)2 respectively. Additionally, the biomass could also remove chromium from industrial effluents, suggesting the fungal biomass as a promising adsorbent for toxic metals removal.
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Affiliation(s)
- Rajib Majumder
- Structural Biology & Bio-Informatics Division, CSIR-Indian Institute of Chemical Biology, Kolkata, 700032, India
| | - Lubna Sheikh
- Structural Biology & Bio-Informatics Division, CSIR-Indian Institute of Chemical Biology, Kolkata, 700032, India
| | - Animesh Naskar
- Department of Food Technology and Biochemical Engineering, Jadavpur University, Kolkata, 700032, India
| | - Vineeta
- Structural Biology & Bio-Informatics Division, CSIR-Indian Institute of Chemical Biology, Kolkata, 700032, India
| | - Manabendra Mukherjee
- Surface Physics and Material Science Division, Saha Institute of Nuclear Physics, Kolkata, 700064, India
| | - Sucheta Tripathy
- Structural Biology & Bio-Informatics Division, CSIR-Indian Institute of Chemical Biology, Kolkata, 700032, India.
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Kapahi M, Sachdeva S. Mycoremediation potential of Pleurotus species for heavy metals: a review. BIORESOUR BIOPROCESS 2017; 4:32. [PMID: 28752021 PMCID: PMC5504202 DOI: 10.1186/s40643-017-0162-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 07/04/2017] [Indexed: 11/24/2022] Open
Abstract
Mycoremediation is one of the biotechniques that recruits fungi to remove toxic pollutants from environment in an efficient and economical manner. Mushrooms, macro-fungi, are among the nature's most important mycoremediators. Pleurotus species (also called oyster mushrooms) are considered to be the most popular and widely cultivated varieties worldwide and this might be attributed to their low production cost and higher yields. Apart from their nutritive and therapeutic properties, Pleurotus species have high biosorption potential due to their extensive biomass, i.e. mycelial production. The genus has been reported to accumulate high levels of heavy metals. The current state-of-the art review mainly summarises previous investigations carried out by researchers on different roles and mechanisms played by Pleurotus species on heavy metals mycoremediation.
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Affiliation(s)
- Meena Kapahi
- Department of Biotechnology, Manav Rachna International University, Sector 43, Faridabad, 121004 India
- Manav Rachna University, Sector 43, Faridabad, 121004 India
| | - Sarita Sachdeva
- Department of Biotechnology, Manav Rachna International University, Sector 43, Faridabad, 121004 India
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