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PM10 microplastics in indoor air: assessment of human exposure by inhalation in residential and car cabin environments

SPIRE - Sciences Po Institutional REpository 2024 1 citation ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Jeroen E., Sonke, Nadiia Yakovenko, Jeroen E., Sonke, Théo Segur, Théo Segur, Théo Segur, Jeroen E., Sonke, Oskar Hagelskjær, Oskar Hagelskjær, Nadiia Yakovenko, Nadiia Yakovenko, Henar Margenat, Nadiia Yakovenko, Henar Margenat, Oskar Hagelskjær, Oskar Hagelskjær, Henar Margenat, Gaël, Le Roux Nadiia Yakovenko, Jeroen E., Sonke, Jeroen E., Sonke, Nadiia Yakovenko, Gaël, Le Roux Nadiia Yakovenko, Nadiia Yakovenko, Henar Margenat, Henar Margenat, Henar Margenat, Jeroen E., Sonke, Nadiia Yakovenko, Jeroen E., Sonke, Jeroen E., Sonke, Jeroen E., Sonke, Théo Segur, Gaël, Le Roux Gaël, Le Roux Nadiia Yakovenko, Nadiia Yakovenko, Nadiia Yakovenko, Nadiia Yakovenko, Henar Margenat, Henar Margenat, Henar Margenat, Oskar Hagelskjær, Nadiia Yakovenko, Nadiia Yakovenko, Nadiia Yakovenko, Oskar Hagelskjær, Gaël, Le Roux Théo Segur, Théo Segur, Théo Segur, Théo Segur, Théo Segur, Jeroen E., Sonke, Jeroen E., Sonke, Gaël, Le Roux Jeroen E., Sonke, Henar Margenat, Jeroen E., Sonke, Oskar Hagelskjær, Oskar Hagelskjær, Henar Margenat, Henar Margenat, Gaël, Le Roux Jeroen E., Sonke, Henar Margenat, Théo Segur, Oskar Hagelskjær, Jeroen E., Sonke, Théo Segur, Oskar Hagelskjær, Oskar Hagelskjær, Gaël, Le Roux Théo Segur, Oskar Hagelskjær, Gaël, Le Roux Jeroen E., Sonke, Nadiia Yakovenko, Gaël, Le Roux Nadiia Yakovenko, Nadiia Yakovenko, Nadiia Yakovenko, Gaël, Le Roux Nadiia Yakovenko, Nadiia Yakovenko, Nadiia Yakovenko, Henar Margenat, Théo Segur, Gaël, Le Roux Henar Margenat, Henar Margenat, Nadiia Yakovenko, Jeroen E., Sonke, Henar Margenat, Nadiia Yakovenko, Jeroen E., Sonke, Henar Margenat, Jeroen E., Sonke, Gaël, Le Roux Jeroen E., Sonke, Gaël, Le Roux Gaël, Le Roux Gaël, Le Roux Jeroen E., Sonke, Henar Margenat, Nadiia Yakovenko, Jeroen E., Sonke, Nadiia Yakovenko, Jeroen E., Sonke, Nadiia Yakovenko, Gaël, Le Roux Nadiia Yakovenko, Henar Margenat, Henar Margenat, Henar Margenat, Nadiia Yakovenko, Jeroen E., Sonke, Jeroen E., Sonke, Jeroen E., Sonke, Jeroen E., Sonke, Gaël, Le Roux Gaël, Le Roux Gaël, Le Roux Gaël, Le Roux Gaël, Le Roux Gaël, Le Roux Jeroen E., Sonke, Théo Segur, Jeroen E., Sonke, Gaël, Le Roux Gaël, Le Roux Nadiia Yakovenko, Jeroen E., Sonke, Gaël, Le Roux Gaël, Le Roux Théo Segur, Gaël, Le Roux Gaël, Le Roux Jeroen E., Sonke, Gaël, Le Roux Henar Margenat, Jeroen E., Sonke, Jeroen E., Sonke, Henar Margenat, Nadiia Yakovenko, Jeroen E., Sonke, Jeroen E., Sonke, Oskar Hagelskjær, Gaël, Le Roux Jeroen E., Sonke, Gaël, Le Roux Gaël, Le Roux Gaël, Le Roux Jeroen E., Sonke, Henar Margenat, Henar Margenat, Gaël, Le Roux

Summary

This study measured inhalable PM10-sized microplastics (1–10 µm) in indoor air from residential homes and car cabins using Raman spectroscopy. The researchers assessed how much of these lung-penetrating particles people inhale daily in everyday indoor environments.

Polymers
Body Systems
Models

The ubiquitous presence of airborne microplastics (MPs) in different indoor environments prompts serious concerns about the degree to which we inhale these particles and their potential impact on human health. Previous studies have mostly targeted MP in the 20-200 µm size range, which do not penetrate into the lungs. In this study, we specifically investigate airborne, indoor suspended MPs in the inhalable 1-10 µm (MP1-10µm) range in residential and car cabin environments, by using Raman spectroscopy. The median concentration of total suspended indoor MPs for the residential environment was 523 MPs/m3 and 2,238 MPs/m3 in the car cabin environment. The predominant polymer type in the residential environment was polyethylene (PE), and polyamide (PA) in the car cabin environment. Fragments were the dominant shape for 97% of the analyzed MPs, and 94% of MPs were smaller than 10 µm (MP1-10µm), following a power size distribution law. We combine the new MP1-10µm observations with published indoor MP data to derive a consensus indoor MP concentration distribution, which we use to estimate human adult indoor MP inhalation of 3,900 MPs/day for the 10-300 µm (MP10-300 µm) range, and 68,000 MPs/day for MP1-10µm. These exposure estimates are 100-fold higher than previous extrapolated estimates. We use the observed MP size distribution to estimate adult nanoplastic (NP) inhalation for 0.1-1 µm (NP0.1-1µm) and 0.01-0.1 µm (NP0.01-0.1µm) size ranges, at 1,500,000 and 33,000,000 NPs/day.

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