Physicochemical Properties and Bioreactivity of Sub‐10 μm Geogenic Particles: Comparison of Volcanic Ash and Desert Dust
Abstract Exposure to ambient particulate matter (PM) with an aerodynamic diameter of <10 μm (PM10) is a well‐established health hazard. There is increasing evidence that geogenic (Earth‐derived) particles can induce adverse biological effects upon inhalation, though there is high variability in p...
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American Geophysical Union (AGU)
2025-01-01
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| Series: | GeoHealth |
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| Online Access: | https://doi.org/10.1029/2024GH001171 |
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| author | Ines Tomašek Julia Eychenne David E. Damby Adrian J. Hornby Manolis N. Romanias Severine Moune Gaëlle Uzu Federica Schiavi Maeva Dole Emmanuel Gardès Mickael Laumonier Clara Gorce Régine Minet‐Quinard Julie Durif Corinne Belville Ousmane Traoré Loïc Blanchon Vincent Sapin |
| author_facet | Ines Tomašek Julia Eychenne David E. Damby Adrian J. Hornby Manolis N. Romanias Severine Moune Gaëlle Uzu Federica Schiavi Maeva Dole Emmanuel Gardès Mickael Laumonier Clara Gorce Régine Minet‐Quinard Julie Durif Corinne Belville Ousmane Traoré Loïc Blanchon Vincent Sapin |
| author_sort | Ines Tomašek |
| collection | DOAJ |
| description | Abstract Exposure to ambient particulate matter (PM) with an aerodynamic diameter of <10 μm (PM10) is a well‐established health hazard. There is increasing evidence that geogenic (Earth‐derived) particles can induce adverse biological effects upon inhalation, though there is high variability in particle bioreactivity that is associated with particle source and physicochemical properties. In this study, we investigated physicochemical properties and biological reactivity of volcanic ash from the April 2021 eruption of La Soufrière volcano, St. Vincent, and two desert dust samples: a standardized test dust from Arizona and an aeolian Gobi Desert dust sampled in China. We determined particle size, morphology, mineralogy, surface texture and chemistry in sub‐10 μm material to investigate associations between particle physicochemical properties and observed bioreactivity. We assessed cellular responses (cytotoxic and pro‐inflammatory effects) to acute particle exposures (24 hr) in monocultures at the air‐liquid interface using two types of cells of the human airways: BEAS‐2B bronchial epithelial cells and A549 alveolar type II epithelial cells. In acellular assays, we also assessed particle oxidative potential and the presence of microorganisms. The results showed that volcanic ash and desert dust exhibit intrinsically different particle morphology, surface textures and chemistry, and variable mineralogical content. We found that Gobi Desert dust is more bioreactive than freshly erupted volcanic ash and Arizona test dust, which is possibly linked to the presence of microorganisms (bacteria) and/or nanoscale elongated silicate minerals (potentially clay such as illite or vermiculite) on particle surfaces. |
| format | Article |
| id | doaj-art-f8ab3f2c0baa4218b5376f1edf435cd9 |
| institution | Kabale University |
| issn | 2471-1403 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | American Geophysical Union (AGU) |
| record_format | Article |
| series | GeoHealth |
| spelling | doaj-art-f8ab3f2c0baa4218b5376f1edf435cd92025-01-28T10:40:36ZengAmerican Geophysical Union (AGU)GeoHealth2471-14032025-01-0191n/an/a10.1029/2024GH001171Physicochemical Properties and Bioreactivity of Sub‐10 μm Geogenic Particles: Comparison of Volcanic Ash and Desert DustInes Tomašek0Julia Eychenne1David E. Damby2Adrian J. Hornby3Manolis N. Romanias4Severine Moune5Gaëlle Uzu6Federica Schiavi7Maeva Dole8Emmanuel Gardès9Mickael Laumonier10Clara Gorce11Régine Minet‐Quinard12Julie Durif13Corinne Belville14Ousmane Traoré15Loïc Blanchon16Vincent Sapin17Laboratoire Magmas et Volcans (LMV) CNRS IRD OPGC Université Clermont Auvergne Clermont‐Ferrand FranceLaboratoire Magmas et Volcans (LMV) CNRS IRD OPGC Université Clermont Auvergne Clermont‐Ferrand FranceU.S. Geological Survey (USGS) Volcano Science Center Menlo Park CA USADepartment of Earth and Atmospheric Sciences Cornell University Ithaca NY USAInstitut Mines‐Télécom (IMT) Nord Europe Centre for Energy and Environment Université Lille Douai FranceLaboratoire Magmas et Volcans (LMV) CNRS IRD OPGC Université Clermont Auvergne Clermont‐Ferrand FranceIRD CNRS INRAE INP‐G IGE (UMR 5001) Université Grenoble Alpes Grenoble FranceLaboratoire Magmas et Volcans (LMV) CNRS IRD OPGC Université Clermont Auvergne Clermont‐Ferrand FranceLaboratoire Magmas et Volcans (LMV) CNRS IRD OPGC Université Clermont Auvergne Clermont‐Ferrand FranceLaboratoire Magmas et Volcans (LMV) CNRS IRD OPGC Université Clermont Auvergne Clermont‐Ferrand FranceLaboratoire Magmas et Volcans (LMV) CNRS IRD OPGC Université Clermont Auvergne Clermont‐Ferrand FranceLaboratoire Magmas et Volcans (LMV) CNRS IRD OPGC Université Clermont Auvergne Clermont‐Ferrand FranceInstitute of Genetic Reproduction and Development (iGReD) Translational Approach to Epithelial Injury and Repair Team CNRS INSERM Université Clermont Auvergne Clermont‐Ferrand FranceBiochemistry and Molecular Genetics Department Centre Hospitalier Universitaire (CHU) Clermont‐Ferrand Clermont‐Ferrand FranceInstitute of Genetic Reproduction and Development (iGReD) Translational Approach to Epithelial Injury and Repair Team CNRS INSERM Université Clermont Auvergne Clermont‐Ferrand FranceInfection Control Department Centre Hospitalier Universitaire (CHU) Clermont‐Ferrand Clermont‐Ferrand FranceInstitute of Genetic Reproduction and Development (iGReD) Translational Approach to Epithelial Injury and Repair Team CNRS INSERM Université Clermont Auvergne Clermont‐Ferrand FranceInstitute of Genetic Reproduction and Development (iGReD) Translational Approach to Epithelial Injury and Repair Team CNRS INSERM Université Clermont Auvergne Clermont‐Ferrand FranceAbstract Exposure to ambient particulate matter (PM) with an aerodynamic diameter of <10 μm (PM10) is a well‐established health hazard. There is increasing evidence that geogenic (Earth‐derived) particles can induce adverse biological effects upon inhalation, though there is high variability in particle bioreactivity that is associated with particle source and physicochemical properties. In this study, we investigated physicochemical properties and biological reactivity of volcanic ash from the April 2021 eruption of La Soufrière volcano, St. Vincent, and two desert dust samples: a standardized test dust from Arizona and an aeolian Gobi Desert dust sampled in China. We determined particle size, morphology, mineralogy, surface texture and chemistry in sub‐10 μm material to investigate associations between particle physicochemical properties and observed bioreactivity. We assessed cellular responses (cytotoxic and pro‐inflammatory effects) to acute particle exposures (24 hr) in monocultures at the air‐liquid interface using two types of cells of the human airways: BEAS‐2B bronchial epithelial cells and A549 alveolar type II epithelial cells. In acellular assays, we also assessed particle oxidative potential and the presence of microorganisms. The results showed that volcanic ash and desert dust exhibit intrinsically different particle morphology, surface textures and chemistry, and variable mineralogical content. We found that Gobi Desert dust is more bioreactive than freshly erupted volcanic ash and Arizona test dust, which is possibly linked to the presence of microorganisms (bacteria) and/or nanoscale elongated silicate minerals (potentially clay such as illite or vermiculite) on particle surfaces.https://doi.org/10.1029/2024GH001171desert dustvolcanic ashparticulate matterrespiratory hazardphysicochemical propertiesbioreactivity |
| spellingShingle | Ines Tomašek Julia Eychenne David E. Damby Adrian J. Hornby Manolis N. Romanias Severine Moune Gaëlle Uzu Federica Schiavi Maeva Dole Emmanuel Gardès Mickael Laumonier Clara Gorce Régine Minet‐Quinard Julie Durif Corinne Belville Ousmane Traoré Loïc Blanchon Vincent Sapin Physicochemical Properties and Bioreactivity of Sub‐10 μm Geogenic Particles: Comparison of Volcanic Ash and Desert Dust GeoHealth desert dust volcanic ash particulate matter respiratory hazard physicochemical properties bioreactivity |
| title | Physicochemical Properties and Bioreactivity of Sub‐10 μm Geogenic Particles: Comparison of Volcanic Ash and Desert Dust |
| title_full | Physicochemical Properties and Bioreactivity of Sub‐10 μm Geogenic Particles: Comparison of Volcanic Ash and Desert Dust |
| title_fullStr | Physicochemical Properties and Bioreactivity of Sub‐10 μm Geogenic Particles: Comparison of Volcanic Ash and Desert Dust |
| title_full_unstemmed | Physicochemical Properties and Bioreactivity of Sub‐10 μm Geogenic Particles: Comparison of Volcanic Ash and Desert Dust |
| title_short | Physicochemical Properties and Bioreactivity of Sub‐10 μm Geogenic Particles: Comparison of Volcanic Ash and Desert Dust |
| title_sort | physicochemical properties and bioreactivity of sub 10 μm geogenic particles comparison of volcanic ash and desert dust |
| topic | desert dust volcanic ash particulate matter respiratory hazard physicochemical properties bioreactivity |
| url | https://doi.org/10.1029/2024GH001171 |
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