PubAg

Main content area

You searched for: Subject "bioremediation" Remove constraint Subject: "bioremediation"
Start Over

Search

6,220  Search Results

« Previous | 1 - 20 of 6,220 |
Number of results to display per page

Search Results

1. Recent development in the application of immobilized oxidative enzymes for bioremediation of hazardous micropollutants – A review

Author:
Shakerian, Farid; Zhao, Jing; Li, Shao-Ping
Source:
Chemosphere 2020 v.239 pp. 124716
ISSN:
0045-6535
Subject:
bioremediation,   etc   ; laccase; peroxidase; pollutants; prices;     Show all 5 Subjects
Abstract:
... During the past several years, abundant progresses has been made in the development of immobilized oxidative enzymes with focus on finding new support materials, improving the immobilization methods and their applications. Nowadays, immobilized oxidative enzymes are broadly accepted as a green way to face the challenge of high amounts of micropollutants in nature. Among all oxidative enzymes, lacc ...
DOI:
10.1016/j.chemosphere.2019.124716

2. A review of electrokinetically enhanced bioremediation technologies for PHs

Author:
Saini, Anish; Bekele, Dawit Nega; Chadalavada, Sreenivasulu; Fang, Cheng; Naidu, Ravi
Source:
Journal of environmental sciences (China) 2020 v.88 pp. 31-45
ISSN:
1001-0742
Subject:
bioremediation,   etc   ; groundwater; hydrocarbons; petroleum; soil; surfactants; technology;     Show all 7 Subjects
Abstract:
... Since the early 1980’s there have been several different strategies designed and applied to the remediation of subsurface environment including physical, chemical and biological approaches. They have had varying degrees of success in remediating contaminants from subsurface soils and groundwater. The objective of this review is to examine the range of technologies for the remediation of contaminan ...
DOI:
10.1016/j.jes.2019.08.010

3. Biotechnological Advances in the Design of Algae-Based Biosensors

Author:
Antonacci, Amina; Scognamiglio, Viviana
Source:
Trends in biotechnology 2020 v.38 no.3 pp. 334-347
ISSN:
0167-7799
Subject:
bioremediation,   etc   ; algae; biomass production; biosensors; chemical species; environmental monitoring; photosynthesis;     Show all 7 Subjects
Abstract:
... In addition to their use in biomass production and bioremediation, algae have been extensively exploited in biosensing applications. Algae-based biosensors have demonstrated potential for sensitive, sustainable, and multiplexed detection of analytes of agroenvironmental and security interest. Their advantages include the availability of different algal bioreceptors including whole cells and their ...
DOI:
10.1016/j.tibtech.2019.10.005

4. Biofunctionalized nanomaterials for in situ clean-up of hydrocarbon contamination: A quantum jump in global bioremediation research

Author:
Basak, Geetanjali; Hazra, Chinmay; Sen, Ramkrishna
Source:
Journal of environmental management 2020 v.256 pp. 109913
ISSN:
0301-4797
Subject:
bioremediation,   etc   ; biochemical compounds; nanoparticles; pollutants; polycyclic aromatic hydrocarbons; toxicity;     Show all 6 Subjects
Abstract:
... Interfacing organic or inorganic nanoparticles with biological entities or molecules or systems with the aim of developing functionalized nano-scale materials or composites for remediation of persistent organic hydrocarbon pollutants (such as monocyclic and polycyclic aromatic hydrocarbons, MAH/PAH) has generated great interest and continues to grow almost unabated. However, the usefulness and pot ...
DOI:
10.1016/j.jenvman.2019.109913

5. Coupled effects of high pH and chemical heterogeneity on colloid retention and release in saturated porous media

Author:
Yuan, Ruiqiang; Zhang, Wenxin; Tao, Xin; Wang, Shiqin; Zhang, Liang
Source:
Colloids and surfaces 2020 v.586 pp. 124285
ISSN:
0927-7757
Subject:
bioremediation,   etc   ; colloids; glass; ionic strength; pH; porous media; risk;     Show all 7 Subjects
Abstract:
... The transport of colloid in saturated porous media is of great significance for the assessment of environmental risk and bioremediation. However, coupled effects of high pH and chemical heterogeneity on colloid retention and release in saturated porous media remain unclear. We studied colloid transports in acid treated/untreated glass beads under various high pH values and ionic strength (IS) cond ...
DOI:
10.1016/j.colsurfa.2019.124285

6. Process-based modeling of electrokinetic-enhanced bioremediation of chlorinated ethenes

Author:
Sprocati, Riccardo; Flyvbjerg, John; Tuxen, Nina; Rolle, Massimo
Source:
Journal of hazardous materials 2020 v.397 pp. 122787
ISSN:
0304-3894
Subject:
bioremediation,   etc   ; biodegradation; electroosmosis; electrostatic interactions; ethylene; lactic acid; mass transfer; models; porous media; Denmark;     Show all 10 Subjects
Abstract:
... This study presents a process-based modeling analysis of electrokinetic-enhanced bioremediation (EK-Bio) to illuminate the complex interactions between physical, electrostatic and biogeochemical processes occurring during the application of this remediation technique. The features of the proposed model include: (i) multidimensional electrokinetic transport in saturated porous media by electromigra ...
DOI:
10.1016/j.jhazmat.2020.122787

7. An overview on heavy metal resistant microorganisms for simultaneous treatment of multiple chemical pollutants at co-contaminated sites, and their multipurpose application

Author:
Rahman, Zeeshanur
Source:
Journal of hazardous materials 2020 v.396 pp. 122682
ISSN:
0304-3894
Subject:
bioremediation,   etc   ; chemical pollutants; cost effectiveness; ecological function; heavy metals; metal tolerance; microorganisms; pollution; wastes;     Show all 9 Subjects
Abstract:
... Anthropogenic imbalance of chemical pollutants in environment raises serious threat to all life forms. Contaminated sites often possess multiple heavy metals and other types of pollutants. Elimination of chemical pollutants at co-contaminated sites is imperative for the safe ecosystem functions, and simultaneous removal approach is an attractive scheme for their remediation. Different conventional ...
DOI:
10.1016/j.jhazmat.2020.122682

8. The bioremediation potentials and mercury(II)-resistant mechanisms of a novel fungus Penicillium spp. DC-F11 isolated from contaminated soil

Author:
Chang, Junjun; Shi, Yu; Si, Guangzheng; Yang, Qingchen; Dong, Jia; Chen, Jinquan
Source:
Journal of hazardous materials 2020 v.396 pp. 122638
ISSN:
0304-3894
Subject:
bioremediation,   etc   ; Penicillium; adsorption; fungi; mercury; metabolism; oxidative stress; phytotoxicity; polluted soils; thiols; transcriptomics; volatilization;     Show all 12 Subjects
Abstract:
... Bioremediation of Hg-contaminated soil using microbe-based strategies is a promising and efficient method as it is inexpensive and not harmful to the environment. In this study, a novel Hg(II)-volatilizing fungus Penicillium spp., DC-F11 was isolated and showed bioremediation potential for reducing Hg(II) phytotoxicity, total Hg, and exchangeable Hg in Hg(II)-polluted soil. Subsequently, the mecha ...
DOI:
10.1016/j.jhazmat.2020.122638

9. Improving activity and stabilization of urease by crosslinking to nanoaggregate forms for herbicide degradation

Author:
Jamwal, Shivani; Ranote, Sunita; Dautoo, Umesh; Chauhan, Ghanshyam S.
Source:
International journal of biological macromolecules 2020 v.158 pp. 521-529
ISSN:
0141-8130
Subject:
bioremediation,   etc   ; crosslinking; evaporation; free radicals; pH; pesticide degradation; pollution; solvents; storage quality; temperature; urea; urease;     Show all 12 Subjects
Abstract:
... Bioremediation is the most effective green protocol for degradation of environmental contaminants. Present study involves carrier free urease immobilization with synthesis of its new crosslinked aggregates using two different crosslinkers, divinyl benzene (DVB) and tripropyleneglycol dimethacrylate (TPGDA) via free radical mechanism. Resulting crosslinked ureases were further converted to nanoform ...
DOI:
10.1016/j.ijbiomac.2020.04.224

10. Bioremediation of diesel and gasoline-contaminated soil by co-vermicomposting amended with activated sludge: Diesel and gasoline degradation and kinetics

Author:
Abdollahinejad, Behnaz; Pasalari, Hasan; Jafari, Ahmad Jonidi; Esrafili, Ali; Farzadkia, Mahdi
Source:
Environmental pollution 2020 v.263 pp. 114584
ISSN:
0269-7491
Subject:
bioremediation,   etc   ; activated sludge; biodegradability; earthworms; gas chromatography; gasoline; microorganisms; polluted soils; survival rate;     Show all 9 Subjects
Abstract:
... Present study aims to examine the efficiency of co-vermicomposting amended with activated sludge and E. fetida earthworm for bioremediation of diesel and gasoline from contaminated soil. The diesel and gasoline removal efficiency and degradation rates coefficients were estimated with gas chromatography (GC) analysis and first-order kinetics. The removal of gasoline and diesel in different co-vermi ...
DOI:
10.1016/j.envpol.2020.114584

11. Bioremediation of intertidal zones polluted by heavy oil spilling using immobilized laccase-bacteria consortium

Author:
Dai, Xiaoli; Lv, Jing; Yan, Guangxu; Chen, Chunmao; Guo, Shaohui; Fu, Pengcheng
Source:
Bioresource technology 2020 v.309 pp. 123305
ISSN:
0960-8524
Subject:
bioremediation,   etc   ; alkanes; bacteria; biodiversity; coasts; littoral zone; metagenomics; oils; pollutants; pollution; polycyclic aromatic hydrocarbons; spectrometers;     Show all 12 Subjects
Abstract:
... Heavy oil pollution in the intertidal zones has become a worldwide environmental problem. In this study, bioremediation on heavy oil pollutants in the intertidal zones using an immobilized laccase-bacteria consortium system was evaluated with the aid of intertidal experimental pools built in the coastal area. It is found that degradation efficiency of the immobilized laccase-bacteria consortium fo ...
DOI:
10.1016/j.biortech.2020.123305

12. Fast-stimulating bioremediation of macro crude oil in soils using matching Fenton pre-oxidation

Author:
Xu, Jinlan; Du, Juan; Li, Lu; Zhang, Qiuju; Chen, Ziwei
Source:
Chemosphere 2020 v.252 pp. 126622
ISSN:
0045-6535
Subject:
bioremediation,   etc   ; Brevundimonas; ammonium nitrogen; bacteria; biodegradation; carbon; hydrogen peroxide; petroleum; polluted soils;     Show all 9 Subjects
Abstract:
... This study aims at exploring the mechanism of fast-stimulating bioremediation of macro crude oil using matching Fenton pre-oxidation. The 80-day biodegradation experiment for soil S1 and S2, containing macro crude oil: C₁₉–C₂₉ and C₁₇–C₂₉ respectively, was conducted after Fenton pre-oxidation with three concentrations of H₂O₂ (225 mM, 450 mM, and 900 mM). Experimental results indicated that the bi ...
DOI:
10.1016/j.chemosphere.2020.126622

13. Investigating the mycobiome of the Holcomb Creosote Superfund Site

Author:
Czaplicki, Lauren M.; Redfern, Lauren K.; Cooper, Ellen M.; Ferguson, P. Lee; Vilgalys, Rytas; Gunsch, Claudia K.
Source:
Chemosphere 2020 v.252 pp. 126208
ISSN:
0045-6535
Subject:
bioremediation,   etc   ; Ascomycota; bioavailability; creosote; extracellular enzymes; fungal communities; fungi; genes; hydrophobicity; metagenomics; microbiome; polycyclic aromatic hydrocarbons;     Show all 12 Subjects
Abstract:
... Even though many fungi are known to degrade a range of organic chemicals and may be advantageous for targeting hydrophobic chemicals with low bioavailability due to their ability to secrete extracellular enzymes, fungi are not commonly leveraged in the context of bioremediation. Here we sought to examine the fungal microbiome (mycobiome) at a model creosote polluted site to determine if fungi were ...
DOI:
10.1016/j.chemosphere.2020.126208

14. Mycoremediation effect of Trichoderma harzianum strain T22 combined with ozonation in diesel-contaminated sand

Author:
Elshafie, H.S.; Camele, I.; Sofo, A.; Mazzone, G.; Caivano, M.; Masi, S.; Caniani, D.
Source:
Chemosphere 2020 v.252 pp. 126597
ISSN:
0045-6535
Subject:
bioremediation,   etc   ; Trichoderma harzianum; biodegradation; carbon; diesel fuel; disinfectants; fungi; mycelium; ozonation; ozone; sand; soil; sporulation; streptomycin;     Show all 14 Subjects
Abstract:
... This study aimed to determine the ability of the fungus Trichoderma harzianum strain T22 (Th-T22) to utilize diesel fuel as a carbon source. The potential use of Th-T22 for diesel bioremediation in an artificial soil was tested by inoculating a diesel-sand mixture with a fungal mycelial suspension of Th-T22. Given the ability of ozone to degrade compounds with low biochemical reactivity, the effec ...
DOI:
10.1016/j.chemosphere.2020.126597

15. Microbial degradation of two highly persistent fluorinated fungicides - epoxiconazole and fludioxonil

Author:
Alexandrino, Diogo A.M.; Mucha, Ana P.; Almeida, C. Marisa R.; Carvalho, Maria F.
Source:
Journal of hazardous materials 2020 v.394 pp. 122545
ISSN:
0304-3894
Subject:
bioremediation,   etc   ; Comamonas; Ochrobactrum; Pseudomonas; agricultural soils; biodegradation; ecosystems; estuaries; fludioxonil; half life; sediments;     Show all 11 Subjects
Abstract:
... Biodegradation of two highly persistent fluorinated fungicides, epoxiconazole (EPO) and fludioxonil (FLU), by microbial consortia enriched from estuarine sediment and agricultural soil is reported. After an enrichment period of 6 months, four microbial consortia were able to completely remove and defluorinate the fungicides in co-metabolic conditions. Defluorination was biologically mediated and r ...
DOI:
10.1016/j.jhazmat.2020.122545

16. The mechanism of nitrate-Cr(VI) reduction mediated by microbial under different initial pHs

Author:
Hu, Yutian; Chen, Nan; Liu, Tong; Feng, Chuanping; Ma, Linlin; Chen, Si; Li, Miao
Source:
Journal of hazardous materials 2020 v.393 pp. 122434
ISSN:
0304-3894
Subject:
bioremediation,   etc   ; aquifers; bacteria; biochemical pathways; chromium; energy; gene expression regulation; genes; metagenomics; nitrates; pH;     Show all 11 Subjects
Abstract:
... To date, comparatively little research is known about the role of pH conditions in bioremediation of Cr(VI) contaminated aquifers. This study explored microbial Cr(VI) reduction and denitrification under different initial pHs. The underlying mechanism was also investigated. When testing 50 mg/L–N nitrate and 10 mg/L Cr(VI), complete contaminants removal was observed at initial pH 10.0 and 11.0, and ...
DOI:
10.1016/j.jhazmat.2020.122434

17. Effects of surfactants on the fractionation, vermiaccumulation, and removal of fluoranthene by earthworms in soil

Author:
Shi, Zhiming; Wang, Congying; Zhao, Yonghua
Source:
Chemosphere 2020 v.250 pp. 126332
ISSN:
0045-6535
Subject:
bioremediation,   etc   ; biodegradation; desorption; earthworms; fractionation; polluted soils; polycyclic aromatic hydrocarbons; polysorbates; rhamnolipids; surfactants;     Show all 10 Subjects
Abstract:
... Vermiremediation, which uses earthworms to remediate polluted soils, is an expanding technology in recently years. Surfactants have been widely used in bioremediation and other remediation technologies. However, the roles of surfactants in vermiremediation have been rarely studied. In this paper, an investigation of the effects of Tween-80 and rhamnolipid surfactant on the fluoranthene fraction di ...
DOI:
10.1016/j.chemosphere.2020.126332

18. Enhanced biodegradation of n-Hexadecane in solid-phase of soil by employing immobilized Pseudomonas Aeruginosa on size-optimized coconut fibers

Author:
Hajieghrari, Mahdiyeh; Hejazi, Parisa
Source:
Journal of hazardous materials 2020 v.389 pp. 122134
ISSN:
0304-3894
Subject:
bioremediation,   etc   ; Pseudomonas aeruginosa; aeration; bacteria; biodegradation; biosurfactants; coir; equations; half life; hexadecane; mixing; particle size; soil;     Show all 13 Subjects
Abstract:
... In this research, biodegradation of hexadecane as a model contaminant in solid soil using both free and immobilized Pseudomonas Aeruginosa, capable of producing biosurfactant, was investigated. Coconut fibers in three mesh sizes were used as a cellulosic biocarrier for immobilization procedure. Bioremediation experiments were monitored for 60 days after incubation at 27 °C in small columns, contai ...
DOI:
10.1016/j.jhazmat.2020.122134

19. Facile fabrication of a high-efficient and biocompatibility biocatalyst for bisphenol A removal

Author:
Zhang, Lei; Mi, Jiali; Hu, Guannan; Zhang, Chen; Qi, Haishan
Source:
International journal of biological macromolecules 2020 v.150 pp. 948-954
ISSN:
0141-8130
Subject:
bioremediation,   etc   ; biocatalysts; biocompatibility; bisphenol A; catalytic activity; environmental factors; pH; peroxidase; polymers; solvents; temperature; zwitterions;     Show all 12 Subjects
Abstract:
... In this study, we developed a smart microfluidic device to prepare biocatalyst HRP-pCBMA. HRP-pCBMA is composed of horseradish peroxidase (HRP) and zwitterionic polymers poly(carboxybetaine methacrylate) (pCBMA), and could be applied to biodegrade bisphenol A (BPA) efficiently. Compared to free HRP, HRP-pCBMA exhibited an obviously enhanced degrading capability for 1 mM BPA with 99.42% degradation ...
DOI:
10.1016/j.ijbiomac.2019.11.007

20. Haloacid dehalogenases of Rhizobium sp. and related enzymes: Catalytic properties and mechanistic analysis

Author:
Adamu, Aliyu; Wahab, Roswanira Abdul; Aliyu, Firdausi; Aminu, Aminu Hamza; Hamza, Mariya Musa; Huyop, Fahrul
Source:
Process biochemistry 2020 v.92 pp. 437-446
ISSN:
1359-5113
Subject:
bioremediation,   etc   ; Rhizobium; amino acids; carbon; catalytic activity; dehalogenation; enzymes; halogens; organic acids and salts;     Show all 9 Subjects
Abstract:
... Haloacid dehalogenases catalyse the cleavage of carbon − halogen bonds in halogenated organic acids. These enzymes are of high interest due to their potential applications in bioremediation and in synthesis of various industrial products. The efficiency of dehalogenases in various applications can be enhanced, provided that their molecular catalytic mechanisms are fully understood. Herein, we revi ...
DOI:
10.1016/j.procbio.2020.02.002