Antimony bioavailability: Knowledge and research perspectives for sustainable agricultures

Pierart, Antoine; Shahid, Muhammad; Séjalon‐Delmas, Nathalie; Dumat, Camille

doi:10.1016/j.jhazmat.2015.02.011

Cited by 239 publications

(65 citation statements)

References 136 publications

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“…As suggested by Sadiq and Wenzel , this association is probably a consequence of the specific adsorption of As and Sb on carbonate surfaces through an inner‐sphere complex or a ligand‐exchange mechanism in which the CO 3 2− in CaCO 3 is replaced by the metalloid oxyanions, a mechanism which would be effective at soil pH values between 7 and 9, like those found in the present study. In addition, a strong relationship was found between Sb and organic matter, which has also been reported in other studies . In comparison, Sb has a higher tendency than As to be absorbed in organic matter because it forms more stable complexes with organic ligands as a result of the biogeochemical mechanisms involved.…”

Section: Resultssupporting

confidence: 84%

Risk assessment from exposure to arsenic, antimony, and selenium in urban gardens (Madrid, Spain)

Miguel

Izquierdo

Gomez

et al. 2016

Enviro Toxic and Chemistry

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The authors discuss the geochemical behavior of arsenic (As), antimony (Sb), and selenium (Se) in urban gardens and the human health implications associated with urban agriculture. A total of 42 samples from 7 urban gardens in Madrid, Spain, were collected from the top 20 cm of soil. Concentrations of As, Sb, and Se and the main soil properties (i.e., total iron, pH, texture, calcium carbonate, and organic matter) were determined. A significant correlation was found between As and Sb and calcium carbonate, indicating the possibility of surface adsorption or ligand exchange with the carbonate group. Also, Sb seemed to form stable chelates with soil organic matter. On the other hand, Se showed a significant association with clay and iron content. The concentration of Sb in soil exceeded the recommended value for agricultural use in 70% of the urban gardens. A human health risk assessment resulted in acceptable levels of both noncarcinogenic and carcinogenic risks (although with elevated values of the latter), with As as the main risk driver and soil and food ingestion as the main exposure pathways. The numerical results of the risk assessment should be interpreted with caution given the considerable uncertainties in some exposure variables and the lack of quantitative values for the suspected carcinogenicity of Sb and Se. Environ Toxicol Chem 2017;36:544-550. © 2016 SETAC.

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Section: Resultssupporting

confidence: 84%

Risk assessment from exposure to arsenic, antimony, and selenium in urban gardens (Madrid, Spain)

Miguel

Izquierdo

Gomez

et al. 2016

Enviro Toxic and Chemistry

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“…In addition to the total inorganic element concentration in soil, it is well known that the chemical species and compartmentalization can modify the soil-plant transfer, translocation (Ferrand et al 2006;Shahid et al 2014;Mombo et al 2015), and localization in the plant Pierart et al 2015). Actually, few studies have demonstrated that selenium plant uptake efficiency, allocation, and metabolism in Zea mays are function of Se species Yu et al 2011;Wang et al 2012;Longchamp et al 2013).…”

mentioning

confidence: 99%

Bioaccessibility of selenium after human ingestion in relation to its chemical species and compartmentalization in maize

Mombo

Schreck

Dumat

et al. 2015

Environ Geochem Health

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Selenium is a micronutrient needed by all living organisms including humans, but often present in low concentration in food with possible deficiency. From another side, at higher concentrations in soils as observed in seleniferous regions of the world, and in function of its chemical species, Se can also induce (eco)toxicity. Root Se uptake was therefore studied in function of its initial form for maize (Zea mays L.), a plant widely cultivated for human and animal food over the world. Se phytotoxicity and compartmentalization were studied in different aerial plant tissues. For the first time, Se oral human bioaccessibility after ingestion was assessed for the main Se species (Se(IV) and Se(VI)) with the BARGE ex vivo test in maize seeds (consumed by humans), and in stems and leaves consumed by animals. Corn seedlings were cultivated in hydroponic conditions supplemented with 1 mg L(-1) of selenium (Se(IV), Se(VI), Control) for 4 months. Biomass, Se concentration, and bioaccessibility were measured on harvested plants. A reduction in plant biomass was observed under Se treatments compared to control, suggesting its phytotoxicity. This plant biomass reduction was higher for selenite species than selenate, and seed was the main affected compartment compared to control. Selenium compartmentalization study showed that for selenate species, a preferential accumulation was observed in leaves, whereas selenite translocation was very limited toward maize aerial parts, except in the seeds where selenite concentrations are generally high. Selenium oral bioaccessibility after ingestion fluctuated from 49 to 89 % according to the considered plant tissue and Se species. Whatever the tissue, selenate appeared as the most human bioaccessible form. A potential Se toxicity was highlighted for people living in seleniferous regions, this risk being enhanced by the high Se bioaccessibility.

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“…It seems that bioreduction is of most potential for biorecovery as only small amounts may be released by volatilization, although this process has been successfully employed for in situ bioremediation of contaminated soils and sediments over the longer term. Research has mainly focused on antimony, tellurium and selenium (Jenkins et al, 1998;Chasteen and Bentley, 2003;Wilson et al, 2010;Pierart et al, 2015;Terry et al, 2015;. Research with arsenic primarily is in the context of detoxification and bioremediation (Mukhopadhyay et al, 2002;Loukidou et al, 2003) with less on biomining (Sklodowska, 2013).…”

Section: Fungi-metalloid Biorecoverymentioning

confidence: 99%

Metal and metalloid biorecovery using fungi

Liang

Gadd

2017

Microbial Biotechnology

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Bioleaching is a proven bioprocess for metal recovery by solution from solid matrices, while a bioprecipitation or biomineralization approach is of potential for biorecovery from solution. Fungi can directly and indirectly mediate the formation of many kinds of minerals, including oxides, phosphates, carbonates and oxalates, as well as elemental forms of metals and metalloids such as Ag, Se and Te. Fungal capabilities may offer a potentially useful contribution to biotechnological and physico‐chemical methods for metal recovery.

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Antimony bioavailability: Knowledge and research perspectives for sustainable agricultures

Cited by 239 publications

References 136 publications

Risk assessment from exposure to arsenic, antimony, and selenium in urban gardens (Madrid, Spain)

Risk assessment from exposure to arsenic, antimony, and selenium in urban gardens (Madrid, Spain)

Bioaccessibility of selenium after human ingestion in relation to its chemical species and compartmentalization in maize

Metal and metalloid biorecovery using fungi

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