Mercury uptake by Silene vulgaris grown on contaminated spiked soils

Pérez‐Sanz, Araceli; Millán, Rocío; Sierra, M.J.; Alarcón, Rafael; García, Pedro González; Gil-Díaz, M.; Vázquez, Saúl; Lobo, M. C.

doi:10.1016/j.jenvman.2010.07.018

Cited by 49 publications

(24 citation statements)

References 28 publications

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“…This result is a confirmation of investigations conducted by Perez-Sanz et al (2012) for Silene vulgaris L. and Shiyab et al (2009) for Brassica juncea L., who stated that increasing concentration of Hg in soil negatively affected plant accumulation. Slight transfer of Hg to aboveground parts of plants can be a result of plant response to stress conditions caused by mercury presence in soil.…”

Section: Discussionsupporting

confidence: 89%

The potential of Lepidium sativum L. for phytoextraction of Hg-contaminated soil assisted by thiosulphate

Smolińska

Rowe

2014

J Soils Sediments

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Purpose The possibility of using higher plants to extract mercury from contaminated sites is dependent on both the concentration of Hg and its bioavailability. To increase the solubility of Hg in soil, some chemical compounds can be used. The aim of this study was to evaluate the effectiveness of Hg soil cleaning with the use of Lepidium sativum L. and sodium thiosulphate, as well as the leach ability of Hg from soil after phytoextraction. Materials and methods The experiment was conducted on soil artificially polluted by Hg, wherein sodium thiosulphate was tested as a phytoextraction promoter. The L. sativum L. plants were used for phytoextraction. The leaching of Hg was assessed by determination of Hg concentration in water extracts. All determinations of Hg in soil, plant and water extracts were analysed by CV-AAS method after acid mineralization. Results and discussion The result of the study showed that L. sativum L. accumulated Hg from contaminated soil mostly in belowground tissues. Even less than 8 % of Hg was translocated to the shoots of L. sativum L. Application of thiosulphate increased the total Hg accumulation over 238-272 %, depending on both the Hg and thiosulphate concentrations in soil. After thiosulphate treatment, translocation of Hg to shoots of L. sativum L. increased even 10 times relative to unassisted process. Thiosulphate did not negatively affect plant biomass; however, the increased leaching of Hg after thiosulphate treatment was observed. Conclusions Lepidium sativum L. showed the potential of a non-hyperaccumulating plant that can be used during phytoextraction of Hg-contaminated soils in controlled conditions. Thiosulphate promoted the phytoextraction process by increasing the total Hg accumulation by whole plant and translocation of Hg to shoots of L. sativum L. Thiosulphatemobilized Hg in soil, which increased the Hg leaching. This constitutes the limitation of applying the technique in the field due to risk of Hg transferring to deeper layers of soil or water. Applying the technique in the field should be preceded by further investigations.

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Section: Discussionsupporting

confidence: 89%

The potential of Lepidium sativum L. for phytoextraction of Hg-contaminated soil assisted by thiosulphate

Smolińska

Rowe

2014

J Soils Sediments

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“…Regarding the availability of soil Hg to plants, it is considered to be low as there is a tendency for Hg to accumulate in 11 Geofluids the roots, indicating that the roots serve as a barrier to Hg uptake [59,60]. Mercury concentration in aboveground parts of plants appears to depend largely on foliar uptake of Hg 0 volatilized from the soil [61,62] and therefore on the age of the plant and the time of day and year [63].…”

Section: Mercury In the Plantsmentioning

confidence: 99%

Degassing and Cycling of Mercury at Nisyros Volcano (Greece)

et al. 2019

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Nisyros Island (Greece) is an active volcano hosting a high-enthalpy geothermal system. During June 2013, an extensive survey on Hg concentrations in different matrices (fumarolic fluids, atmosphere, soils, and plants) was carried out at the Lakki Plain, an intracaldera area affected by widespread soil and fumarolic degassing. Concentrations of gaseous elemental mercury (GEM), together with H2S and CO2, were simultaneously measured in both the fumarolic emissions and the atmosphere around them. At the same time, 130 samples of top soils and 31 samples of plants (Cistus creticus and salvifolius and Erica arborea and manipuliflora) were collected for Hg analysis. Mercury concentrations in fumarolic gases ranged from 10,500 to 46,300 ng/m3, while Hg concentrations in the air ranged from high background values in the Lakki Plain caldera (10-36 ng/m3) up to 7100 ng/m3 in the fumarolic areas. Outside the caldera, the concentrations were relatively low (2-5 ng/m3). The positive correlation with both CO2 and H2S in air highlighted the importance of hydrothermal gases as carrier for GEM. On the other hand, soil Hg concentrations (0.023-13.7 μg/g) showed no significant correlations with CO2 and H2S in the soil gases, whereas it showed a positive correlation with total S content and an inverse one with the soil pH, evidencing the complexity of the processes involving Hg carried by hydrothermal gases while passing through the soil. Total Hg concentrations in plant leaves (0.010-0.112 μg/g) had no direct correlation with soil Hg, with Cistus leaves containing higher values of Hg with respect to Erica. Even though GEM concentrations in the air within the caldera are sometimes orders of magnitude above the global background, they should not be considered dangerous to human health. Values exceeding the WHO guideline value of 1000 ng/m3 are very rare (<0.1%) and only found very close to the main fumarolic vents, where the access to tourists is prohibited.

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“…It is well known that mercury is an element which is highly toxic for humans, animals, plants, and microorganisms (Wolfe et al 1998; Wang et al 2012, Pérez-Sanz et al 2012, Kowalski and Frankowski 2015, Sanchez-Chardi et al 2007). It exhibits mutagenic and teratogenic properties, and can be accumulated in the human body (Clarkson et al 2007, Kowalski and Frankowski 2015).…”

Section: Introductionmentioning

confidence: 99%

An analysis of factors affecting the mercury content in the human femoral bone

Zioła-Frankowska

Dąbrowski

Kubaszewski

et al. 2016

Environ Sci Pollut Res

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The study was carried out to determine the content of mercury in bone tissue of the proximal femur (head and neck bone) of 95 patients undergoing total hip replacement due to osteoarthritis, using CF-AFS analytical technique. Furthermore, the investigations were aimed at assessing the impact of selected factors, such as age, gender, tobacco smoking, alcohol consumption, exposure to chemical substance at work, type of degenerative changes, clinical evaluation and radiological parameters, type of medications, on the concentration of mercury in the head and neck of the femur, resected in situ. Mercury was obtained in all samples of the head and neck of the femur (n = 190) in patients aged 25-91 years. The mean content of mercury for the whole group of patients was as follows: 37.1 ± 35.0 ng/g for the femoral neck and 24.2 ± 19.5 ng/g for the femoral head. The highest Hg contents were found in femoral neck samples, both in women and men, and they amounted to 169.6 and 176.5 ng/g, respectively. The research showed that the mercury content of bones can be associated with body mass index, differences in body anatomy, and gender. The uses of statistical analysis gave the possibility to define the influence of factors on mercury content in human femoral bones.

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Mercury uptake by Silene vulgaris grown on contaminated spiked soils

Cited by 49 publications

References 28 publications

The potential of Lepidium sativum L. for phytoextraction of Hg-contaminated soil assisted by thiosulphate

The potential of Lepidium sativum L. for phytoextraction of Hg-contaminated soil assisted by thiosulphate

Degassing and Cycling of Mercury at Nisyros Volcano (Greece)

An analysis of factors affecting the mercury content in the human femoral bone

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