Accumulation of polycyclic aromatic hydrocarbons by lichen transplants: Comparison with gas-phase passive air samplers

Loppi, Stefano; Pozo, Karla; Estellano, V.H.; Corsolini, Simonetta; Sardella, Giovanni; Paoli, Luca

doi:10.1016/j.chemosphere.2015.03.066

Cited by 31 publications

(8 citation statements)

References 34 publications

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“…The high Benzo[b]fluoranthene deposits, may be linked to the intensification of car traffic, the poor quality of transit vehicles (Domeño et al, 2006;Van der Wat and Forbes, 2015). In India, Blasco et al (2011) showed that the vehicular traffic essentially related to the origin of PAHs accumulation in lichens; These results are in line with other lichen biomonitoring studies, who showed profile pollution in presence of PAHs such as Fluoranthene, Pyrene, and Benzo[g,h,i] perylene (Maliszewska-Kordybach, 1996;Loppi et al, 2015).…”

Section: Pahs Analysis Per Sitessupporting

confidence: 73%

Accumulation of Polycyclic Aromatic Hydrocarbons from transplanted lichens Parmotrema dilatatum in the city of Abidjan (Ivory Cost)

2018

Aust. J. Basic & Appl. Sci.

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Section: Pahs Analysis Per Sitessupporting

confidence: 73%

Accumulation of Polycyclic Aromatic Hydrocarbons from transplanted lichens Parmotrema dilatatum in the city of Abidjan (Ivory Cost)

2018

Aust. J. Basic & Appl. Sci.

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“…Lichens have been already recommended as good bioindicators of particulate phase PAHs 52 . Recently, Loppi et al 53 showed a significant correlation between the concentrations of specific PAH in lichens and in gas phase of air. The gas phase PAHs accumulate in the photobiont layer of the lichens where they have been reported to localize inside the cell and their concentration remained stable upon washing and rain 54 .…”

Section: Resultsmentioning

confidence: 99%

“…The gas phase PAHs accumulate in the photobiont layer of the lichens where they have been reported to localize inside the cell and their concentration remained stable upon washing and rain 54 . Thus, lichens may, as well, be utilized as suitable monitors of gas phase PAHs 53 54 .…”

Section: Resultsmentioning

confidence: 99%

Change in atmospheric deposition during last half century and its impact on lichen community structure in Eastern Himalaya

Bajpai¹,

Mishra

Dwivedi

et al. 2016

Sci Rep

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Climatic fluctuations largely affects species turnover and cause major shifts of terrestrial ecosystem. In the present study the five decade old herbarium specimens of lichens were compared with recent collection from Darjeeling district with respect to elements, PAHs accumulation and carbon isotope composition (δ13C) to explore the changes in climatic conditions and its impact on lichen flora. The δ13C has increased in recent specimens which is in contrast to the assumption that anthropogenic emission leads to δ13C depletion in air and increased carbon discrimination in flora. Study clearly demonstrated an increase in anthropogenic pollution and drastic decrease in precipitation while temperature showed abrupt changes during the past five decades resulting in significant change in lichen community structure. The Usneoid and Pertusorioid communities increased, while Physcioid and Cyanophycean decreased, drastically. Lobarian abolished from the study area, however, Calcicoid has been introduced in the recent past. Probably, post-industrial revolution, the abrupt changes in the environment has influenced CO2 diffusion and/C fixation of (lower) plants either as an adaptation strategy or due to toxicity of pollutants. Thus, the short term studies (≤5 decades) might reflect recent micro-environmental condition and lichen community structure can be used as model to study the global climate change.

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“…2 PAHs are mainly produced from the incomplete combustion of fossil fuel and organic materials, and the evaporation of petroleum derivatives. 3 Most PAHs do not easily degrade in the environment and are classified as persistent organic pollutants. They are also considered as carcinogenic, teratogenic, and mutagenic.…”

Section: Introductionmentioning

confidence: 99%

“…They are colorless to pale solids and have low solubility in water, high melting and boiling points, and low vapor pressures . PAHs are mainly produced from the incomplete combustion of fossil fuel and organic materials, and the evaporation of petroleum derivatives . Most PAHs do not easily degrade in the environment and are classified as persistent organic pollutants.…”

Section: Introductionmentioning

confidence: 99%

Optimizing Reductive Degradation of PAHs Using Anhydrous Ethanol with Magnesium Catalyzed by Glacial Acetic Acid

et al. 2018

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Targeted degradation of individual polycyclic aromatic hydrocarbon (PAH) constituents like anthracene, may offer cost effective and efficient cleaning of coal tar-contaminated sites. Thus, a reductive degradation procedure of anthracene using activated magnesium with anhydrous ethanol at room temperature was developed and optimized. To determine the optimum conditions for anthracene, such as effective magnesium concentrations, glacial acetic acid volumes, and exposure time for the anthracene reduction, the experiments were designed using the response surface methodology based on the central composite design. The design also minimized the number of experiments. The main product from anthracene reduction is 9,10-dihyrdoanthracene. Optimum conditions for 98% degradation capacity of anthracene (2.80 × 10 –3 mmol) were 30 mg of Mg powder (1.20 mmol), 60 μL of glacial acetic acid (1.05 mmol), and 30 min exposure time. When the optimized method was tested on the coal tar specimen, twice as many reagents (i.e., Mg and glacial acetic acid) were required to obtain a 90% degradation of anthracene and fluoranthene from the coal tar. This method of using activated Mg and anhydrous ethanol selectively reduces PAHs in coal tar; in particular anthracene and fluoranthene are most efficiently removed.

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Accumulation of polycyclic aromatic hydrocarbons by lichen transplants: Comparison with gas-phase passive air samplers

Cited by 31 publications

References 34 publications

Accumulation of Polycyclic Aromatic Hydrocarbons from transplanted lichens Parmotrema dilatatum in the city of Abidjan (Ivory Cost)

Accumulation of Polycyclic Aromatic Hydrocarbons from transplanted lichens Parmotrema dilatatum in the city of Abidjan (Ivory Cost)

Change in atmospheric deposition during last half century and its impact on lichen community structure in Eastern Himalaya

Optimizing Reductive Degradation of PAHs Using Anhydrous Ethanol with Magnesium Catalyzed by Glacial Acetic Acid

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