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Biomonitoring polycyclic aromatic hydrocarbons by Salix matsudana leaves: A comparison with the relevant air content and evaluation of environmental parameter effects
被引:15
|作者:
Zhao, Xiangai
[1
]
He, Miao
[1
]
Shang, Haibo
[1
]
Yu, Hongling
[1
]
Wang, Hao
[1
]
Li, Huijie
[1
]
Piao, Jingyi
[1
]
Quinto, Maurizio
[1
,2
]
Li, Donghao
[1
]
机构:
[1] Yanbian Univ, Dept Chem, MOE Key Lab Nat Resources Changbai Mt & Funct Mol, Pk Rd 977, Yanji 133002, Jilin, Peoples R China
[2] Dept Sci Agr Food & Environm, Via Napoli 25, I-71122 Foggia, Italy
基金:
中国国家自然科学基金;
关键词:
Plant leaf;
Salix matsudana;
Polycyclic aromatic hydrocarbons;
Passive sampler;
Air pollution;
Biomonitoring;
Enthalpy of phase change;
PERSISTENT ORGANIC POLLUTANTS;
SEMIPERMEABLE-MEMBRANE DEVICES;
BROMINATED FLAME RETARDANTS;
PASSIVE SAMPLERS;
POLYCHLORINATED-BIPHENYLS;
PARTITION-COEFFICIENTS;
PLANT-LEAVES;
ACCUMULATION;
POPS;
CHEMICALS;
D O I:
10.1016/j.atmosenv.2018.03.004
中图分类号:
X [环境科学、安全科学];
学科分类号:
08 ;
0830 ;
摘要:
Studies on seasonal distribution characteristics of polycyclic aromatic hydrocarbons (PAHs) in Salix matsudana leaves covering its annual life cycle were carried out in order to evaluate plant leaf response sensitivity to air pollution. Salix matsudana leaves were collected throughout different development phases of plant leaf inclusive of bud break to fallen leaves, covering from spring (May) to autumn (November). Simultaneously, particle and gas samples were collected using a high volume air sampler. Seven different PAHs were determined simultaneously in these samples. The temperature dependence of the partitioning of PAHs in air and plant leaves was investigated and the results were incorporated into a mathematical model. The measured plant/air partition coefficients have been found to be exponentially proportional to the reciprocal temperature, in agreement with theoretical expectations. Furthermore, in order to define the influence of different parameters on PAH adsorption on plant leaves, area and lipid leaf content were also measured. Results demonstrated that temperature plays a very important role in PAHs partitioning and that this value should be carefully considered during sampling, in order to obtain the best correlation between PAHs concentration in air and leaves.
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页码:47 / 53
页数:7
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