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The Effect of Ultraviolet Exposure on the Quantity of Microplastics in the Air of Buildings Made from Plastic Waste
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Researchers measured how UV exposure affects the quantity of microplastics in air over time, finding that sunlight accelerates plastic photodegradation on surfaces and increases the rate of microplastic particle generation into indoor and outdoor air.
Microplastics are new environmental contaminants that result from plastic degradation and fragmentation. Ultraviolet is one of the physical factors that can affect plastic fragmentation. The study aimed to analyze the effect of ultraviolet exposure on microplastic levels in the air of buildings made from plastic waste materials and methods of true experiment research with posttest-only control group design. Air sampling was conducted 60 days in buildings made from plastic waste with treatment and control samples. Sampling of airborne microplastics by passive method. Visual observation of microplastics using a 10-fold magnification binocular microscope. Analysis of the effect of UV exposure on microplastic levels by simple linear regression. The results showed that the average level of microplastics in the air of buildings made from plastic waste in the treatment sample was 38.78 particles/m2/day, and in the control sample, 22 particles/m2/day. There are 3 forms of microplastics found in the air of buildings made from garbage, namely fragments, fibers, and films. Analysis of the effect of ultraviolet exposure on the quantity of microplastics in the air of buildings made from plastic waste obtained a p-value of 0.000<0.05. The study concludes that ultraviolet exposure affects microplastic levels in the air of buildings made from plastic waste.
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Models of the Effects of Ultraviolet Exposure, Temperature, and Humidity on the Quantity of Microplastics in Indoor Air
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Researchers built mathematical models predicting how UV exposure, temperature, and humidity affect indoor airborne microplastic concentrations over 60 days. Higher UV and temperature increased microplastic release from plastic surfaces, while humidity effects were smaller, providing a predictive framework for indoor microplastic exposure assessment.
Microplastics generation from flooring materials under UV exposure: A comprehensive analysis of microplastics emission and chemical deformation
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Researchers tested how common indoor flooring materials, including carpet tiles, laminate, and PVC flooring, release microplastics when exposed to UV light from sunlight and foot traffic. All three materials generated microplastic particles, with UV exposure accelerating the release and changing the chemical structure of the plastic surfaces. This study shows that indoor environments are a significant but often overlooked source of microplastic exposure through the air people breathe at home and work.
Effects of UV degradation on building materials with emphasis on microplastic generation potential
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Researchers exposed common indoor building materials to UV light and found that the materials gradually degraded, releasing microplastic particles into the indoor environment. Wallpapers and plastic sheets showed the highest potential for microplastic generation and posed elevated health risk scores from ingestion, inhalation, and skin contact. Since people spend most of their time indoors, these findings suggest that building materials are an overlooked source of daily microplastic exposure.
Breaking down building plastics: Exploring UV-induced degradation pathway and its impact on structural integrity and microplastics formation
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Sun exposure doesn't just fade and weaken common plastics used in buildings (like those in windows, roofing, and pipes), it actually breaks them apart into tiny microplastic fragments over time. This matters because these fragments can end up in our air, water, and soil, adding to the growing amount of microplastics we're exposed to daily. Understanding exactly how this breakdown happens could help manufacturers design more durable, longer-lasting materials that shed fewer plastic particles into our environment.
Microplastic levels in the indoor air of buildings based on plastic waste recycling in Indonesia
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Researchers measured airborne microplastic concentrations inside a miniature building constructed from recycled plastic waste in Indonesia over 30 days, finding an average deposition rate of 30.8 particles/m2/day during the dry season with passive air sampling and microscopic analysis.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.