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An ecotoxicological perspective of microplastics released by face masks
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This review assessed the ecotoxicological hazard of microplastics derived from face masks, which were produced in unprecedented quantities during the COVID-19 pandemic. The authors identified significant uncertainties about real-world impact concentrations and called for standardized testing to better characterize the toxicity of face mask-derived microplastics to aquatic and terrestrial organisms.
The accelerated use, massive disposal, and contamination with face masks during the COVID-19 pandemic have raised new questions regarding their negative impact on the environment emerged. One major concern is whether microplastics (MPs) derived from face masks (FMPs) represent an important ecotoxicological hazard. Here, we discussed the shortcomings, loose ends, and considerations of the current literature investigating the ecotoxicological effects of FMPs on aquatic and terrestrial organisms. Overall, there are multiple uncertainties regarding the true impact of FMPs at a certain concentration due to the presence of uncontrolled or unknown degradation products, such as MPs of various size ranges even nano-sized (<1 µm) and chemical additives. It is apparent that FMPs may induce endocrine-disrupting and behavioral effects in different organisms. However, the results of FMPs should be carefully interpreted, as these cannot be extrapolated at a global scale, by taking into account a number of criteria such as face mask manufacturers, providers, consumer preferences, and type of face masks. Considering these uncertainties, it is still not possible to estimate the contribution of face masks to the already existing MP issue.
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Potential Microplastic Threat: Environmental Assessment of The Face Mask Pollution
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Researchers assessed the environmental threat posed by face masks discarded during the COVID-19 pandemic, finding that masks contain polypropylene fibers that can fragment into microplastics and persist in the environment. The study calls for better mask disposal strategies and environmental monitoring to track mask-derived microplastic pollution.
A review of disposable facemasks during the COVID-19 pandemic: A focus on microplastics release
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This review examines the environmental threats posed by disposable face masks used during the COVID-19 pandemic, with a focus on microplastic release. Researchers found that discarded masks undergo physical and chemical degradation in the environment, generating microplastics that contaminate both aquatic and terrestrial ecosystems. The study provides an overview of current knowledge on microplastic extraction methods and proposes strategies for controlling mask-related plastic pollution through source reduction and improved waste management.
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This review examined how the massive global use of disposable face masks during COVID-19 has created a significant source of microplastic pollution, with billions of masks entering the environment and releasing plastic fibers and chemical contaminants.
Uncovering the Release of Micro/nanoplastics from Disposable Face Masks at Times of COVID-19
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Researchers found that disposable face masks release significant amounts of micro- and nanoplastic particles when subjected to water exposure and mechanical stress similar to environmental conditions. This confirms that the massive use of masks during COVID-19 introduced new sources of microplastic pollution into the environment.
Microplastics/nanoplastics released from facemasks as contaminants of emerging concern
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This review examines how disposable facemasks, made primarily from polypropylene and polyethylene, release microplastics and nanoplastics into the environment. Chemical, physical, and biological processes break down discarded masks into tiny plastic particles that persist in ecosystems. Given the billions of masks used during COVID-19, this represents a significant and growing source of microplastic pollution.
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