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| http://dx.doi.org/10.1017/s0022172400038559 | DOI Listing |
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Detection of equine influenza virus gene in the air around infected horses.
Vet Microbiol
January 2025
Equine Research Institute, Japan Racing Association, Shimotsuke, Tochigi, Japan.
Equine influenza virus (EIV) can be transmitted by inhalation of aerosolized droplets, direct contact, and contaminated fomites. However, to our knowledge, there are no reports of the recovery of EIV from the air surrounding infected horses. Here, we evaluated whether EIV can be recovered from the air in the stalls of experimentally infected horses by using an air sampler.
View Article and Find Full Text PDFInfluence of macrophages and neutrophilic granulocyte-like cells on crystalline silica-induced toxicity in human lung epithelial cells.
Toxicol Res (Camb)
February 2025
Département Toxicologie et Biométrologie, Institut National de Recherche et de Sécurité pour la prévention des accidents du travail et des maladies professionnelles (INRS), 1 rue du Morvan, 54519 Vandœuvre-lès-Nancy, France.
In many industrial activities, workers may be exposed by inhalation to particles that are aerosolized, To predict the human health hazard of these materials, we propose to develop a co-culture model (macrophages, granulocytes, and alveolar epithelial cells) designed to be more representative of the inflammatory pulmonary response occurring in vivo. Phorbol 12-myristate 13-acetate (PMA)-differentiated THP-1 cells were used as macrophages, All-trans retinoic acid (ATRA)-differentiated HL60 were used as granulocytes and A549 were used as epithelial alveolar type II cells. A crystalline silica sample DQ12 was used as a prototypical particle for its capabilities to induce DNA damage, inflammatory response, and oxidative stress in epithelial cells; its polyvinylpyridine-N-oxide (PVNO)-surface modified counterpart was also used as a negative particulate control.
View Article and Find Full Text PDFdigitalMALDI: A Single-Particle-Based Mass Spectrometric Detection System for Biomolecules.
J Mass Spectrom
February 2025
Center for Bioinformatics and Computational Biology, University of Delaware, Newark, Delaware, USA.
The development of a real-time system for characterizing individual biomolecule-containing aerosol particles presents a transformative opportunity to monitor respiratory conditions, including infections and lung diseases. Existing molecular assay technologies, although effective, rely on costly reagents, are relatively slow, and face challenges in multiplexing, limiting their use for real-time applications. To overcome these challenges, we developed digitalMALDI, a laser-based mass spectrometry system designed for single-particle characterization.
View Article and Find Full Text PDFMulti-Omics Assessment of Puff Volume-Mediated Salivary Biomarkers of Metal Exposure and Oxidative Injury Associated with Electronic Nicotine Delivery Systems.
Environ Health Perspect
January 2025
Chemical Insights Research Institute, UL Research Institutes, Marietta, Georgia, USA.
Background: Since their inception, electronic nicotine delivery systems (ENDS) have gained increasing popularity, sparking a vaping epidemic among adolescents in the US and globally. Several ENDS safety concerns have emerged as device features and formats that contribute to heavy metal exposure and toxicity continue to evolve and outpace regulatory efforts.
Objectives: Our objective was to integrate ENDS emission profiles with salivary proteome and metabolome data to characterize exposure factors that may influence adverse vaping-mediated health outcomes.
Selected microwave irradiation effectively inactivates airborne avian influenza A(H5N1) virus.
Sci Rep
January 2025
The Edgar L. and Harold H. Buttner Chair of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA, USA.
The highly pathogenic avian influenza A(H5N1) virus threatens animal and human health globally. Innovative strategies are crucial for mitigating risks associated with airborne transmission and preventing outbreaks. In this study, we sought to investigate the efficacy of microwave inactivation against aerosolized A(H5N1) virus by identifying the optimal frequency band for a 10-min exposure and evaluating the impact of varying exposure times on virus inactivation.
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