We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Microfiber fallout during dining and potential human intake
AI summary Read the abstract
Researchers measured microfiber fallout during dining and found that restaurant meals are exposed to approximately 75 microfibers per plate during peak hours, identifying indoor dining environments as a previously overlooked pathway for human microplastic intake.
The pervasiveness of microfibers, including fibrous microplastics indoors and outdoors, has drawn attention. However, some places such as the dining environment that are closely related to human diet and health have been neglected. Here, we characterized short-term microfiber fallout in different dining spots and conducted long-term monitoring in a college cafeteria. The results showed that the microfiber abundance of restaurants during the peak hour of dinnertime (75 ± 19 MFs/plate/meal) was approximately two times that of households (36 ± 23 MFs/plate/meal). The high microfiber abundance was positively correlated with strong human activities (i.e., sitting rate of people) in restaurants, which was verified by the kinetics data of the cafeteria (R =0.871, p = 0.000). Cotton (63%), polyester (17%), and rayon (14%) were the top three detected microfibers via μ-FTIR, and cloth friction can aggravate fiber shedding significantly. Moreover, high hairiness and short staple yarn style were likely to increase the formation of microfibers. Additionally, room structure can obviously influence microfiber abundance that households without separate dining rooms showed three times higher microfiber abundance (66 MFs/plate/meal) than those (21 MFs/plate/meal) with separate dining rooms, because partition walls were verified to effectively reduce fiber transport. Collectively, microfiber fallout during dining deserves our great attention, which may induce human intake of 63-232 MFs/person/d.
More Papers Like This
Microplastic ingestion from atmospheric deposition during dining/drinking activities
AI summary Read the abstract
Researchers measured microplastics that settle from the air onto food and drinks during routine dining activities, identifying this as an important but overlooked exposure pathway. They found that atmospheric deposition contributed microplastic exposure roughly equal to inhalation and two to three orders of magnitude greater than direct contamination already present in food. The study suggests that simple steps like covering dishes and rinsing dishware before use can substantially reduce this type of exposure.
Low levels of microplastics (MP) in wild mussels indicate that MP ingestion by humans is minimal compared to exposure via household fibres fallout during a meal
AI summary Read the abstract
Researchers measured microplastic levels in wild mussels collected around the Scottish coast and found relatively low contamination compared to other studies. They then compared this to the amount of household dust fibers that settle onto a dinner plate during a typical meal and found that airborne fiber exposure during eating likely exceeds the microplastics ingested from a serving of mussels. The study suggests that for most people, indoor dust may be a more significant source of microplastic exposure than seafood consumption.
Study of suspended microplastics in indoor air to assess human exposure through inhalation
AI summary Read the abstract
Researchers investigated suspended microplastics in indoor air to assess the extent of human exposure through inhalation. The study quantified airborne microplastic particles in indoor settings, providing data on a potentially important but understudied route of daily microplastic intake for the general population.
Microplastic Fallout in Different Indoor Environments
AI summary Read the abstract
Researchers tracked microplastic fallout in indoor environments (dormitory, office, corridor) over three months and found that higher human activity on workdays and airflow from air conditioning increased microplastic deposition rates, identifying indoor air as a significant exposure route.
Underestimated activity-based microplastic intake under scenario-specific exposures
AI summary Read the abstract
Researchers developed a method to estimate daily microplastic intake from breathing and dust ingestion based on real-world measurements and people's activity patterns. They found that nearly 80% of microplastic intake comes from indoor residential environments, with activity intensity and behavior patterns significantly influencing exposure levels. The study suggests that previous estimates of human microplastic exposure may have been substantially underestimated.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.