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61,005 resultsShowing papers similar to 微纳米塑料在典型日用塑料制品使用过程中的释放规律及机制
ClearA Hidden Pathway for Human Exposure to Micro- and Nanoplastics—The Mechanical Fragmentation of Plastic Products during Daily Use
This review examines a commonly overlooked source of human microplastic exposure: the mechanical wear and fragmentation of everyday plastic products during normal use. Researchers found that activities like opening containers, using cutting boards, and handling plastic items release significant quantities of micro- and nanoplastics directly into our immediate environment. The study highlights that this daily fragmentation pathway may contribute more to personal microplastic exposure than previously appreciated.
Nanoplastics formed during the mechanical breakdown of daily-use polystyrene products
This study demonstrated that everyday mechanical use of polystyrene products generates nanoplastic particles, confirming that nanoplastics are continuously produced from common consumer items through normal wear and tear. The findings suggest nanoplastic exposure from household products may be more widespread than previously appreciated.
Micro (nano) Plastics Released from Plastic Food Containers
Researchers found that plastic food containers release micro- and nanoplastics into food under both hot-water and microwave heating, with the quantity increasing with repeated reuse, raising concerns about dietary exposure from everyday kitchen plastics.
Study of the release of microplastics during the use phase of products from the plastics industry
Researchers investigated microplastic release during the use phase of plastic consumer products across multiple product categories from the plastics industry, examining how ordinary use conditions generate plastic particles that enter food and the environment. The study contributes to understanding the full microplastic lifecycle as the plastics industry transitions toward reuse-oriented product models.
Étude du relargage de Microplastiques lors de la phase d'usage des produits issus de l'industrie de la plasturgie
This French-language study characterized microplastic release from plastic products during use in the plastics industry, evaluating how product type, mechanical stress, and material properties influence particle generation rates — providing data relevant to occupational and consumer exposure assessment.
Patterns and risks of microplastic release during primary oral care in Chinese residents
Researchers studied microplastic release from toothpaste and toothbrushes commonly used in China and found that both products shed significant numbers of plastic particles during normal use. While the levels from any single brushing session were considered low-risk, the cumulative annual release was substantial, reaching hundreds of thousands of particles per person per year from toothbrushes alone. The study highlights oral care products as an overlooked daily source of microplastic entering both people and the environment.
Emission of primary microplastics in mainland China: Invisible but not negligible
This study estimated primary microplastic emissions in mainland China from daily plastic product use, including personal care products, industrial pellets, and textiles, finding that significant quantities enter the environment even though these sources are invisible compared to secondary fragmentation of plastic waste. Quantifying primary microplastic emissions is essential for designing targeted reduction strategies.
Widespread distribution of PET and PC microplastics in dust in urban China and their estimated human exposure
Researchers collected indoor and outdoor dust samples from 39 major Chinese cities and found widespread contamination with PET and polycarbonate microplastics. Indoor dust contained significantly higher concentrations than outdoor dust, suggesting that household products and furnishings are major sources. The study estimated daily human exposure levels through dust ingestion and inhalation, identifying young children as the most vulnerable group.
Microplastics in take-out food containers
Scientists collected take-out food containers made from four polymer types in five Chinese cities and detected microplastics in all containers, with fragment counts and polymer compositions varying by container material and city of origin.
Application-dependent assessment of the human exposure potential to micro- and nanoplastics
This study develops a model to estimate human exposure to micro- and nanoplastics through food, inhalation, and skin contact, accounting for the probability of plastic release from different product applications. The model helps identify which exposure routes and product categories pose the greatest risk to human health.
Microplastics release from victuals packaging materials during daily usage
Researchers investigated microplastic release from food packaging materials during daily usage, with a focus on polystyrene foam containers. The study found that these containers release microplastic particles during routine handling, heating, and food contact, suggesting that food packaging is a significant and direct source of human microplastic exposure.
Literature review on micro‐ and nanoplastic release from food contact materials during their use
Researchers reviewed 122 studies on micro- and nanoplastic release from food contact materials during normal use, published between 2015 and 2025. They found evidence that microplastics are released primarily through mechanical stress like abrasion, but noted that many studies suffer from methodological shortcomings leading to frequent misidentification and miscounting. The study concludes that while release does occur, actual quantities are likely lower than many published estimates suggest.
Sources, distribution, and incipient threats of polymeric microplastic released from food storage plastic materials
This review examines how common food storage materials such as plastic bags, bottles, and containers release microplastic particles into the food they hold. Researchers compiled data on the sources, quantities, and distribution patterns of these released particles across multiple countries. The study highlights that everyday food packaging represents a significant and often overlooked pathway for human microplastic exposure.
Microplastics in Widely Used Polypropylene-Made Food Containers
Researchers found that all 210 polypropylene takeout food containers sampled from seven Chinese cities contained microplastics, with 3 to 43 particles per container, suggesting widespread human exposure to microplastics through commonly used food packaging.
The neglected potential source of microplastics from daily necessities: A study on protective mobile phone cases
Researchers identified daily household necessities including synthetic sponges, cleaning tools, and personal care items as overlooked sources of microplastic fibers and fragments. Abrasion and degradation of these common products released MPs at measurable rates, contributing to household and indoor microplastic exposure.
Microplastics in polystyrene-made food containers from China: abundance, shape, size, and human intake
Researchers analyzed polystyrene food containers sold in China for microplastic contamination, examining the abundance, shape, and size of particles released. The study found that these containers shed microplastics during normal use, with hot liquids and acidic foods increasing the amount of plastic released. The results raise concerns about daily microplastic exposure from common food packaging.
Human exposure to microplastics via the consumption of nonalcoholic beverages in various packaging materials: The case of Hong Kong
Researchers tested 50 packaged nonalcoholic beverages in Hong Kong and found microplastics in every single one, with an estimated annual intake of about 6,200 microplastic particles per person from beverages alone. The contamination came from both the packaging materials and airborne particles during manufacturing, showing that everyday drinks are a meaningful source of human microplastic exposure.
Releasing characteristics and risk of micro/nanoplastics from Chinese herbal decoction packages under daily usage scenarios
Researchers tested how much micro- and nanoplastic is released from single-use Chinese herbal medicine packaging under normal usage conditions. They found that a single package could release up to 1.21 million microplastics and 4.32 billion nanoplastics, with hotter filling temperatures producing more nanoparticles. Cell experiments showed these released particles triggered inflammatory responses, raising concerns about plastic exposure from common food-contact packaging.
Nanoplastic release from disposable plastics: Correlation with maximum service temperature
Testing five types of disposable plastics confirmed that nanoplastic release correlates with maximum service temperature, with materials used beyond their temperature limits releasing significantly more nanoplastics when packaging hot food, cooking in ovens, or using microwaves.
Impacts des nano- et micro-plastiques sur l'environnement et la santé
This French-language review summarizes the omnipresence of plastic pollution in terrestrial and aquatic ecosystems, covering sources, environmental fate, and human health consequences of micro- and nanoplastic exposure.
Method for quantification of microplastic release from plastic-based materials during weathering
Researchers developed a method to quantify microplastic release from plastic-based materials during weathering, responding to the need for limits on how much MP a product can release over its lifetime. The method enabled standardized measurement of MP generation from photodegradation during product use and end-of-life mismanagement.
From Kitchen to Cell: A Critical Review of Microplastic Release from Consumer Products and Its Health Implications
This review examines how everyday consumer products such as food packaging, kitchen utensils, and household appliances release microplastics directly into the food and beverages we consume. The authors link release mechanisms like thermal stress, mechanical abrasion, and chemical leaching to potential human health risks. The study highlights a gap in industry and regulatory responses to this direct exposure pathway.
Exposure scenarios for human health risk assessment of nano- and microplastic particles
This paper focuses on developing realistic exposure scenarios for assessing human health risks from nano- and microplastic particles. Establishing accurate models of how much plastic people actually encounter through food, air, and water is a critical step for determining whether current exposure levels pose real health dangers.
Prevalence of microplastics in animal-based traditional medicinal materials: Widespread pollution in terrestrial environments
Researchers found microplastics in all 20 types of traditional Chinese medicinal animal materials tested, with an average occurrence rate of 94.67% and polyethylene terephthalate (40.45%) as the dominant polymer. The findings indicate that terrestrial environments are significantly contaminated with microplastics and raise concerns about health exposure through traditional medicine consumption.