Phytoremediation of polycyclic aromatic hydrocarbons (PAHs): air-plant-soil interactions

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Short Review 01/03/2017
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Phytoremediation of polycyclic aromatic hydrocarbons (PAHs): air-plant-soil interactions

Habib Ramezanzadeh Arvanaghi, Yasaman Aminfar, Amir Amiri Sadeghan, Nima Dolatabadi
J. Bio. Env. Sci.10( 3), 178-84, March 2017.
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Polycyclic aromatic Hydrocarbon (PAH) molecules are major concerns in environmental organic pollution. PAHs molecules in the air and their adsorption on soil into plants is a critical issue because they may enter food chain and turn to main source of health problems. Many methods employed for cleanup polluted area but phytoremediation is acceptable more than others in wide area. Several plant species were used for PAHs phytoremediation. PAH molecules transfer in Air-Soil-plant system, directly related to molecule properties and plant morphological characteristics. The entrance strength of PAHs molecular to plant tissue has high relation to hydrophobicity and lipophilic characteristics of molecules. LMW-PAHs may be adsorbed and transfered faster than HMW-PAHs by/in plant cells. Plants morphological particularities such as waxy properties, specific leaf area, cell wall properties, root elongation, number of nodal root and metabolisms are a factor that affects PAHs transfer and degradation in plant tissues. Other environmental properties such as temperature, wind, moisture have indirectly affects PAHs transfer. The antithetical results between traditional data and contemporary investigation must be resolved by implying new methods.


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