Assessing the biological reactivity of organic compounds on volcanic ash: implications for human health hazard
| العنوان: | Assessing the biological reactivity of organic compounds on volcanic ash: implications for human health hazard |
|---|---|
| المؤلفون: | Peter J. Baxter, Ines Tomašek, Imke Boonen, Marc Elskens, Ulrich Kueppers, David E. Damby, Michael S. Denison, Daniele Andronico, Manolis N. Romanias, Philippe Claeys, Matthieu Kervyn, Claire J. Horwell |
| المساهمون: | Analytical, Environmental & Geo-Chemistry, Physical Geography, Chemistry, Faculty of Sciences and Bioengineering Sciences, Earth System Sciences, Geography, Social-cultural food-research, Apollo - University of Cambridge Repository |
| المصدر: | Bulletin of volcanology, 2021, Vol.83(5) [Peer Reviewed Journal] |
| بيانات النشر: | Springer Verlag, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | 010504 meteorology & atmospheric sciences, 3705 Geology, 010501 environmental sciences, Hazard analysis, Urban pollution, human health, 01 natural sciences, Bioreactivity, Health hazard, Human health, Clinical Research, Geochemistry and Petrology, volcanic ash, Bioassay, CALUX bioassay, 0105 earth and related environmental sciences, Pollutant, geography, geography.geographical_feature_category, 37 Earth Sciences, Hazard, Urban pollutant, 3703 Geochemistry, Deposition (aerosol physics), Volcano, Environmental chemistry, Hazard assessment, organic compounds, Geology, Volcanic ash, Research Article |
| الوصف: | Funder: VUB Strategic Research Program Exposure to volcanic ash is a long-standing health concern for people living near active volcanoes and in distal urban areas. During transport and deposition, ash is subjected to various physicochemical processes that may change its surface composition and, consequently, bioreactivity. One such process is the interaction with anthropogenic pollutants; however, the potential for adsorbed, deleterious organic compounds to directly impact human health is unknown. We use an in vitro bioanalytical approach to screen for the presence of organic compounds of toxicological concern on ash surfaces and assess their biological potency. These compounds include polycyclic aromatic hydrocarbons (PAHs), polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (dlPCBs). Analysis of ash collected in or near urbanised areas at five active volcanoes across the world (Etna, Italy; Fuego, Guatemala; Kelud, Indonesia; Sakurajima, Japan; Tungurahua, Ecuador) using the bioassay inferred the presence of such compounds on all samples. A relatively low response to PCDD/Fs and the absence of a dlPCBs response in the bioassay suggest that the measured activity is dominated by PAHs and PAH-like compounds. This study is the first to demonstrate a biological potency of organic pollutants associated with volcanic ash particles. According to our estimations, they are present in quantities below recommended exposure limits and likely pose a low direct concern for human health. |
| وصف الملف: | application/pdf; text/xml |
| اللغة: | English |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f2bb6107c9a9e8cfe2133c8b0acd310 https://hdl.handle.net/20.500.14017/d39403e5-ea55-47c3-83ca-8b379c3ea18d |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....8f2bb6107c9a9e8cfe2133c8b0acd310 |
| قاعدة البيانات: | OpenAIRE |
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During transport and deposition, ash is subjected to various physicochemical processes that may change its surface composition and, consequently, bioreactivity. One such process is the interaction with anthropogenic pollutants; however, the potential for adsorbed, deleterious organic compounds to directly impact human health is unknown. We use an in vitro bioanalytical approach to screen for the presence of organic compounds of toxicological concern on ash surfaces and assess their biological potency. These compounds include polycyclic aromatic hydrocarbons (PAHs), polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (dlPCBs). Analysis of ash collected in or near urbanised areas at five active volcanoes across the world (Etna, Italy; Fuego, Guatemala; Kelud, Indonesia; Sakurajima, Japan; Tungurahua, Ecuador) using the bioassay inferred the presence of such compounds on all samples. 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