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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.2
- 수록면
- 242 - 250 (9page)
이용수
초록· 키워드
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The distribution of polycyclic aromatic hydrocarbons (PAHs) as a group of toxic and persistent aromatic pollutants in the environment is rapidly enhancing. These compounds have adverse impacts on the health of living organisms. Hence, in the present study, we investigated the potential of duckweed (Lemna minor) as an aquatic plant species for uptake, accumulation, and biodegradation of phenanthrene and pyrene under controlled conditions. L. minor plants were treated with 10 and 20 mg L<SUP>-1</SUP> concentrations of phenanthrene and pyrene at the experimental duration of ten days. According to the results obtained, the toxicity of phenanthrene and pyrene contaminants on L. minor was influenced by the different initial PAHs concentrations. An increase in phenanthrene and pyrene concentration significantly decreased all studied growth parameters such as fresh weight, dry weight, and RFN and also photosynthetic pigment contents of the plant. Phenanthrene and pyrene concentrations were measured using high-performance liquid chromatography (HPLC) technique after 10 days of exposure to the PAHs. The results revealed that L. minor species could bioaccumulate effectively both typical PAHs. Furthermore, the gas chromatography-mass spectroscopy (GC/MS) technique explained the biological degradation of phenanthrene and pyrene by L. minor in the present research, and accordingly, several intermediate by-products were identified.
목차
ABSTRACT
1. Introduction
2. Material and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (44)
참고문헌 신청
Houshani M, Salehi-Lisar SY, Motafakkerazad R, Movafeghi A. Uptake and distribution of phenanthrene and pyrene in roots and shoots of maize (Zea mays L.). Environ. Sci. Pollut. Res. 2019;26:9938-9944. https://doi.org/10.1007/s11356-019-04371-3.
Lei AP, Hu ZL, Wong YS, Tam NFY. Removal of fluoranthene and pyrene by different microalgal species. Bioresour. Technol. 2007;98:273-280. https://doi.org/10.1016/j.biortech.2006.01.012.
Subashchandrabose SR, Logeshwaran P, Venkateswarlu K, Naidu R, Megharaj M. Pyrene degradation by Chlorella sp. MM3 in liquid medium and soil slurry: Possible role of dihydrolipoamide acetyltransferase in pyrene biodegradation. Algal Res. 2017;23:223-232.
Patel AB, Shaikh S, Jain KR, Desai C, Madamwar D. Polycyclic aromatic hydrocarbons: sources, toxicity, and remediation approaches. Front. Microbiol. 2020;2675:562813. https://doi.org/10.3389/fmicb.2020.562813.
Kim KH, Jahan SA, Kabir E, Brown RJ. A review of airborne polycyclic aromatic hydrocarbons (PAHs) and their human health effects. Environ. Int. 2013;60:71-80. https://doi.org/10.1016/j.envint.2013.07.019.
Lei AP, Hu ZL, Wong YS, Tam NFY. Removal of fluoranthene and pyrene by different microalgal species. Bioresour. Technol. 2007;98:273-280. https://doi.org/10.1016/j.biortech.2006.01.012.
Subashchandrabose SR, Logeshwaran P, Venkateswarlu K, Naidu R, Megharaj M. Pyrene degradation by Chlorella sp. MM3 in liquid medium and soil slurry: Possible role of dihydrolipoamide acetyltransferase in pyrene biodegradation. Algal Res. 2017;23:223-232.
Patel AB, Shaikh S, Jain KR, Desai C, Madamwar D. Polycyclic aromatic hydrocarbons: sources, toxicity, and remediation approaches. Front. Microbiol. 2020;2675:562813. https://doi.org/10.3389/fmicb.2020.562813.
Kim KH, Jahan SA, Kabir E, Brown RJ. A review of airborne polycyclic aromatic hydrocarbons (PAHs) and their human health effects. Environ. Int. 2013;60:71-80. https://doi.org/10.1016/j.envint.2013.07.019.
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