Dynamics of house dust mite transfer in modern clothing fabrics

Clarke, David; Burke, Daniel; Gormally, Michael J.; Byrne, Mary

doi:10.1016/j.anai.2014.12.021

Cited by 10 publications

(8 citation statements)

References 28 publications

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“…Both biotic and abiotic material can be deposited onto clothing surfaces from various environmental sources, including outdoor air, ,, grassland, residential air, public transport microenvironments, and from physical contact with items such as furniture, storage surfaces, and car seats. − The rate of deposition from air to clothing can be described using the deposition velocity concept . Studies have found that particle size and local air movement are dominant influencing factors. , …”

Section: Exposures To Particlesmentioning

confidence: 99%

Clothing-Mediated Exposures to Chemicals and Particles

Licina

Morrison

Bekö

et al. 2019

Environ. Sci. Technol.

101

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A growing body of evidence identifies clothing as an important mediator of human exposure to chemicals and particles, which may have public health significance. This paper reviews and critically assesses the state of knowledge regarding how clothing, during wear, influences exposure to molecular chemicals, abiotic particles, and biotic particles, including microbes and allergens. The underlying processes that govern the acquisition, retention and transmission of clothing-associated contaminants and the consequences of these for subsequent exposures are explored. Chemicals of concern have been identified in clothing, including byproducts of their manufacture and chemicals that adhere to clothing during use and care. Analogously, clothing acts as a reservoir for biotic and abiotic particles acquired from occupational and environmental sources. Evidence suggests that while clothing can be protective by acting as a physical or chemical barrier, clothing-mediated exposures can be substantial in certain circumstances and may have adverse health consequences. This complex process is influenced by the type and history of the clothing, the nature of the contaminant and by wear, care and storage practices. Future research efforts are warranted to better quantify, predict and control clothing-related exposures.

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Section: Exposures To Particlesmentioning

confidence: 99%

Clothing-Mediated Exposures to Chemicals and Particles

Licina

Morrison

Bekö

et al. 2019

Environ. Sci. Technol.

101

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“…The results are collected in Table 1 [28 by others, one by us (no. 29)]. A key study selection criterion was that a paper has a clear description about the surface touching behaviors.…”

Section: Comparison Between Model Prediction and Priormentioning

confidence: 99%

“…Microbial transfer via surface touch belongs to the general phenomenon of particle transfer between surfaces in contact, which also includes the transfer of mites between fabrics, the transfer of deposited particles between shoes and floors, the transfer of chemical residues from surfaces to hands, and the transfer of cosmetic powders while applying makeup . The microbial transfer rate via touch events has been evaluated as a parameter in various analyses of infection. ,− …”

Section: Introductionmentioning

confidence: 99%

Modeling and Experimental Validation of Microbial Transfer via Surface Touch

Zhao

2020

Environ. Sci. Technol.

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Surface touch spreads disease-causing microbes, but the measured rates of microbial transfer vary significantly. Additionally, the mechanisms underlying microbial transfer via surface touch are unknown. In this study, a new physical model was proposed to accurately evaluate the microbial transfer rate in a finger-surface touch, based on the mechanistic effects of important physical factors, including surface roughness, surface wetness, touch force, and microbial transfer direction. Four surface-touch modes were distinguished, namely, a single touch, sequential touches (by different recipients), repeated touches (by the same recipient), and a touch with rubbing. The tested transfer rates collated from 26 prior studies were compared with the model predictions based on their experimental parameters, and studies in which the transfer rates were more consistent with our model predictions were identified. New validation experiments were performed by accurately controlling the parameters involved in the model. Four types of microbes were used to transfer between the naked finger and metal surface with the assistance of a purpose-made touch machine. The measured microbial transfer rate data in our new experiments had a smaller standard deviation than those reported from prior studies and were closer to the model prediction. Our novel predictive model sheds light on possible future studies.

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“…Os ácaros que vivem na poeira são microscópicos (0,1 a 0,6 mm de comprimento), de corpo ovoide, com 8 patas articuláveis e hábitos alimentares que consistem na alimentação de restos de pele humana e detritos orgânicos presentes no ambiente (BOQUETE et al, 2006;CLARKE et al, 2015;MASON et al, 2015).…”

Section: Mecanismos De Defesa Pulmonaresunclassified

“…Inicialmente esta espécie de ácaro foi classificada como ácaros de armazenagem, pois eram encontrados em fazendas, porém com o passar dos anos eles foram sendo encontrados dentro do ambiente doméstico, na poeira e alojados em locais como colchões, cortinas, bichos de pelúcia, carros, entre outros locais onde é possível a deposição de poeira (BOQUETE et al, 2006;CLARKE et al, 2015;MASON et al, 2015). Com isso, ela tem se tornado uma espécie de importância médica cuja relevância se baseia na sua capacidade de interagir com o sistema imune desencadeando respostas inflamatórias levando ao desenvolvimento, em casos de exposição contínua, de doenças alérgicas (THOMAS et al, 2007).…”

Section: Mecanismos De Defesa Pulmonaresunclassified

Efeitos da natação sobre os parâmetros morfofuncionais e imunológicos em um modelo murino de inflamação pulmonar induzido pelo alérgeno recombinante Blo t 5 do ácaro Blomia tropicalis

Oliveira¹

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Experimental models for lung inflammation have been commonly used to understand the pathophysiology of the inflammatory lung diseases. For the first time, we developed an experimental model of lung inflammation using the recombinant Blo t 5 protein (rBlo t 5) from the mite Blomia tropicalis, in order to analysis the effects promoted by swimming (TA) at moderate intensity in this model. The Blo t 5 sequence was cloned in pET28a vector and used to transform BL21 E. coli strain, and it was purified in a nickel affinity chromatography. Then, BALB/c mice were sensitized two times with 25 µg recombinant protein (i.p.) and 5 µg (i.n.) at intervals of 7 days, followed by four daily intranasally instillations, and submitted to swimming for 4 weeks. The tidal volume, respiratory frequency, volume-minute, levels of specific IgG antibodies and IgG subclasses (IgG1 and IgG2a), cytokines and lactate from blood were evaluated. We found an increase in tidal volume (p<0,001) after exposure to high concentrations of methacholine and increased levels of total IgG anti-rBlo t 5 (p<0.0001) and their subclasses in rBLOT5 group, with a decrease in these parameters in rBLOT5-TA group. There was a decrease in total cells (p<0,0001) and in the proinflammatory cytokines levels, like IL-6 (p<0,01), IFN-γ (p<0,05) and TNF (p<0,01) in rBLOT5-TA group. We can conclude that aerobic exercise, even at moderate intensity, is indicated for attenuation of pulmonary inflammatory process in lung diseases.

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Dynamics of house dust mite transfer in modern clothing fabrics

Cited by 10 publications

References 28 publications

Clothing-Mediated Exposures to Chemicals and Particles

Clothing-Mediated Exposures to Chemicals and Particles

Modeling and Experimental Validation of Microbial Transfer via Surface Touch

Efeitos da natação sobre os parâmetros morfofuncionais e imunológicos em um modelo murino de inflamação pulmonar induzido pelo alérgeno recombinante Blo t 5 do ácaro Blomia tropicalis

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