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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Ma, Bin Wang, Jiaojiao Xu, Minmin He, Yan Wang, Haizhen Wu, Laosheng Xu, Jianming |
| Description | Country affiliation: China Author Affiliation: Ma B ( College of Environmental and Natural Resource Sciences, Zhejiang Provincial Key Laboratory of Subtropical Soil and Plant Nutrition, Zhejiang University, Hangzhou, China.) |
| Abstract | The aim of this study was to evaluate the spatial dissipation gradient of PAHs, including phenanthrene, pyrene, and benzo[a]pyrene, with various bioavailability represented with sequential extraction. Dissipation rates of PAHs in the rhizosphere were greater than those in the bulk soil. The n-butanol extracted fraction showed a general trend of dissipation during phytoremediation. Moreover, the formation of bound PAH residues was inhibited in the rhizosphere. While concerning the PAH toxicity, the reduction rates of PAH toxicity were significantly greater than total soil PAH concentrations. Microbial biomass was the highest at four mm away from the root surface. However, the PAH dissipation rates were the highest at one mm and two mm away from the root surface in high and low PAH treatments, respectively. These results suggest that rhizoremediation with rice is a useful approach to reduce the toxicity of PAHs in soil. |
| File Format | HTM / HTML |
| ISSN | 02697491 |
| Volume Number | 162 |
| e-ISSN | 18736424 |
| Journal | Environmental Pollution |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-03-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Discipline Science Bacteria Metabolism Environmental Restoration And Remediation Methods Oryza Sativa Polycyclic Hydrocarbons, Aromatic Rhizosphere Soil Pollutants Genetics Isolation & Purification Biodegradation, Environmental Biomass Chemical Fractionation Growth & Development Microbiology Analysis Soil Chemistry Soil Microbiology Evaluation Studies Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Pollution Medicine Toxicology |
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