Towards a passive limitation of particle surface contamination in the Columbus module (ISS) during the MATISS experiment of the Proxima Mission

Lemelle, Laurence; Campagnolo, Lucie; Mottin, Eléonore; Tourneau, Denis Le; Garre, Emmanuel; Marcoux, Pierre R.; Thévenot, Cécile; Maillet, A.; Barde, S.; Teisseire, Jérémie; Nonglaton, Guillaume; Place, Christophe

doi:10.1038/s41526-020-00120-w

Cited by 4 publications

(10 citation statements)

References 31 publications

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“…An almost linear accumulation of coarse particles was then evaluated (Fig. 3a) with a coverage rate value of ∼0.5% per year, consistent with the value previously evaluated 45 . The accumulation rates of fine particles are about 10 times smaller (Fig.…”

Section: Kinetics Of the Fdts Surface Particle Contaminations Over Th...supporting

confidence: 84%

“…1c bottom, and Supplementary Fig. 2 in Lemelle et al 2020 45 ) in the MATISS-1 campaign were overrepresented compared with the round or angular particles in the MATISS-2 and MATISS-2.5 campaigns (Supplementary Fig. 3).…”

Section: Long Term Particle Contaminations Of the Fdts Coatingmentioning

confidence: 82%

“…Processing of the stack of images was applied to produce an output listing for the position, area, and elongation ratio of each particle (Lemelle et al 2020 45 ). For the stack recorded at low zoom, the segmentation of the image was performed on the blue component using a constant threshold value of grey level of about 75 that was empirically determined (Supplementary Fig.…”

Section: Optical Microscopy and Image Analysesmentioning

confidence: 99%

“…Such designed non-invasive and non-destructive approach preserves the possibility of extending this particulate characterization in the future by other approaches informative of the chemical and microbiological compositions of the contamination. During the MATISS-1 campaign, a proof of concept demonstrated its usefulness for investigating the efficiency of hydrophobic coatings 45 . Hydrophobic surface coatings and an untreated glass surface were exposed for 6 months.…”

Section: Introductionmentioning

confidence: 99%

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Passive limitation of surface contamination by perFluoroDecylTrichloroSilane coatings in the ISS during the MATISS experiments

et al. 2022

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Future long-duration human spaceflight will require developments to limit biocontamination of surface habitats. The MATISS (Microbial Aerosol Tethering on Innovative Surfaces in the international Space Station) experiments allowed for exposing surface treatments in the ISS (International Space Station) using a sample-holder developed to this end. Three campaigns of FDTS (perFluoroDecylTrichloroSilane) surface exposures were performed over monthly durations during distinct periods. Tile scanning optical microscopy (×3 and ×30 magnifications) showed a relatively clean environment with a few particles on the surface (0.8 to 7 particles per mm2). The varied densities and shapes in the coarse area fraction (50–1500 µm2) indicated different sources of contamination in the long term, while the bacteriomorph shapes of the fine area fraction (0.5–15 µm2) were consistent with microbial contamination. The surface contamination rates correlate to astronauts’ occupancy rates on board. Asymmetric particles density profiles formed throughout time along the air-flow. The higher density values were located near the flow entry for the coarse particles, while the opposite was the case for the fine particles, probably indicating the hydrophobic interaction of particles with the FDTS surface.

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Section: Kinetics Of the Fdts Surface Particle Contaminations Over Th...supporting

confidence: 84%

Section: Long Term Particle Contaminations Of the Fdts Coatingmentioning

confidence: 82%

Section: Optical Microscopy and Image Analysesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Passive limitation of surface contamination by perFluoroDecylTrichloroSilane coatings in the ISS during the MATISS experiments

et al. 2022

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“…2023.1229022 water contact angle on the parylene layers was approximately 87 ± 4°. The protocols are described in Lemelle et al (2020).…”

Section: Methodsmentioning

confidence: 99%

Presentations at the 2022 MELiSSA Conference – Current and Future Ways to Closed Life Support Systems

Verseux,

Paul de Vera,

Gennaro Izzo

2024

Frontiers Research Topics

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Frontiers is more than just an open access publisher of scholarly articles: it is a pioneering approach to the world of academia, radically improving the way scholarly research is managed. The grand vision of Frontiers is a world where all people have an equal opportunity to seek, share and generate knowledge. Frontiers provides immediate and permanent online open access to all its publications, but this alone is not enough to realize our grand goals. Frontiers journal seriesThe Frontiers journal series is a multi-tier and interdisciplinary set of openaccess, online journals, promising a paradigm shift from the current review, selection and dissemination processes in academic publishing. All Frontiers journals are driven by researchers for researchers; therefore, they constitute a service to the scholarly community. At the same time, the Frontiers journal series operates on a revolutionary invention, the tiered publishing system, initially addressing specific communities of scholars, and gradually climbing up to broader public understanding, thus serving the interests of the lay society, too. Dedication to qualityEach Frontiers article is a landmark of the highest quality, thanks to genuinely collaborative interactions between authors and review editors, who include some of the world's best academicians. Research must be certified by peers before entering a stream of knowledge that may eventually reach the public -and shape society; therefore, Frontiers only applies the most rigorous and unbiased reviews. Frontiers revolutionizes research publishing by freely delivering the most outstanding research, evaluated with no bias from both the academic and social point of view. By applying the most advanced information technologies, Frontiers is catapulting scholarly publishing into a new generation. What are Frontiers Research Topics?Frontiers Research Topics are very popular trademarks of the Frontiers journals series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area.

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The Thomas Pesquet PROXIMA mission: An overview of accomplishments and science results

Heider

Pesquet²

2023

Acta Astronautica

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Towards a passive limitation of particle surface contamination in the Columbus module (ISS) during the MATISS experiment of the Proxima Mission

Cited by 4 publications

References 31 publications

Passive limitation of surface contamination by perFluoroDecylTrichloroSilane coatings in the ISS during the MATISS experiments

Passive limitation of surface contamination by perFluoroDecylTrichloroSilane coatings in the ISS during the MATISS experiments

Presentations at the 2022 MELiSSA Conference – Current and Future Ways to Closed Life Support Systems

The Thomas Pesquet PROXIMA mission: An overview of accomplishments and science results

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