Polypropylene microplastics. 5 mm for analysis purposes.

Polypropylene microplastics. May 9, 2023 · Currently, polypropylene (PP) is used in various products, thus leading to high daily exposure in humans. We conducted an inhalation exposure of polypropylene fine powder at a low concentration of 2 mg/m3 and What is the effect of polypropylene microplastics (PP-MPs)? The results of our experiments show that being exposed to high concentration of PP-MPs have significant effect on Drosophila. Polypropylene is heat resistant and doesn't easily absorb water, making it great for microwaves and outdoors. These tiny (5 millimeters or less) pieces of plastic have become a Is it true that you should not drink from plastic water bottles left in a hot car? Microplastics — plastic particles smaller than 5 millimeters — are in our food, water, clothing, personal Jun 24, 2025 · Microscopic bits of plastic are sloughing off into food and beverages when consumers unwrap the plastic packaging, a new study has shown. However, the toxic effects of polypropylene microplastics (PP-MPs) are not well understood. Discover what it is, how it's made, its types, key properties, and common uses in packaging and automotive. The proposed research focuses on the harmful consequences of acute exposure to polypropylene microplastics in Daphnia similis. First polymerized in 1951 from propylene monomers, it’s widely used in packaging, automotive parts, medical devices, and disposable products. Oct 19, 2020 · Polypropylene-based products are commonly used for food preparation and storage, but their capacity to release microplastics is poorly understood. However, there is a gap in understanding the role of plastic waste disposal on the presence of microplastics in the landfill leachate. Polypropylene is non-toxic, BPA-free, and used in many homes for safe food packaging. If you're concerned about microplastics, glass utensils are generally a lower-risk option. Extensive environmental pollution by microplastics has increased the risk of human exposure to plastics. One of the important family of polyolefin resins, polypropylene is molded or extruded into many plastic products in which toughness, flexibility, light weight, and heat resistance are required. Sep 15, 2021 · Microplastics can be primary microplastics, not a consequence of plastic waste disposal in general. Microplastics are present in a variety of products, including cosmetics, plastic bags, and bottles. Also, the detection of microplastics in small animals' intestine extracts were possible with the reported peptide biosensors. 4 million polypropylene microplastics - a type of plastic polymer - each year according to a study by the American Chemical Society (ACS). This work converts widely available polypropylene bags into microplastics using xylene. Microplastics and nanoplastics are ubiquitous environmental pollutants that contaminate air, food and water supplies, resulting in widespread human exposure and potential health risks. Jun 15, 2017 · Microplastics [MPs], now a ubiquitous pollutant in the oceans, pose a serious potential threat to marine ecology and has justifiably encouraged focuse… Sep 1, 2021 · Photo aging of microplastics (MPs) in water environment are relevant to free radical associated polymer chain reaction, and various photo chemical rea… The various microplastics detected in human lung tissues include polystyrene (PS), polypropylene (PP), and polyvinyl chloride (PVC) [9, 12]. Feb 28, 2019 · Polyethylene, polypropylene and polystyrene are the most abundant microplastics in the Mediterranean coastal waters, according to a new study. Nov 6, 2020 · Microplastic pollution is globally recognised as a serious environmental threat due to its ubiquitous presence related primarily to improper dumping of plastic wastes. To understand the photochemical fate of sub-millimeter buoyant plastics, ∼0. Nov 20, 2021 · Influence of surface oxidation on the quantification of polypropylene microplastics by pyrolysis gas chromatography mass spectrometry Tania Toapanta a , Elvis D. This study aimed to investigate the effects of PP-MPs on cardiotoxicity and its underlying mechanisms. Now, because of my research, I would never do that. As these are often improperly disposed of, they represent an important potential source of microplastics in the environment. We prepared a PDMS coated sponge with excellent adsorption capacity of PP, which still achieved a removal rate of 90. While most studies have focused on microplastic contamination in the marine ecosystem, microplastic pollution in the soil environment is generally little understood and often overlooked. Hampson, a postdoctoral fellow who studies microplastics at the Jun 15, 2025 · In this study, we utilized additive-free polypropylene microplastics to isolate and clarify the carcinogenic effects specifically associated with the aging process of microplastics. Some are intentionally added to everyday products like toothpaste, face scrubs, and sunscreen. We conducted a short-term inhalation exposure and intratracheal instillation using rats to evaluate lung disorders related to microplastics. Mar 8, 2024 · Polypropylene (PP), polystyrene (PS), and polyethylene (PE) plastics are commonly used in household items such as electronic housings, food packaging, bottles, bags, toys, and roofing membranes. Here, we used internal extractive electrospray ionization coupled with high-resolution mass spectrometry and non-targeted metabolomics analysis to investigate the impact of polypropylene Jan 8, 2025 · The degradation of mismanaged plastic waste in the environment results in the formation of microplastics (MPs) and nanoplastics (NPs), which pose significant risks to ecosystems and human health. In most studies on microplastic biodegradation, the degradation rates of microplastics are found to be slow, and the degradation effects are moderate. 5 to 1. Now, researchers have found that these tiny specks are released in huge quantities from plastic containers when they Jul 1, 2023 · Therefore, the object of the study was to evaluate the effect of polypropylene microplastics (PP-MPs) on plant germination, growth, and nutrient uptake under hydroponic conditions. The … Aug 1, 2025 · The use of dielectric barrier discharge (DBD) plasma to remove emerging microplastic contaminants is still in its infancy. In addition, as preventive measures for combating the COVID-19 pandemic continue, the increasing use of disposable masks that mainly comprise polypropylene (PP) is raising concerns about environmental pollution and the potential Aug 11, 2025 · Mercola explained that using plastic mulch and plastic seed coatings in agriculture, and irrigation with contaminated water, are among the various ways microplastics can end up in food. The aim of this study is to recycle plastic products in time and reduce the pollution caused by the microplastics into the environment. Based our observations, the removal efficiency of mPP reached 92. We conducted an inhalation exposure of polypropylene fine powder at a low concentration of 2 Jan 1, 2021 · The above studies show that polypropylene microplastics have different adsorption capacities for lead, zinc, copper, and cadmium. Polypropylene (PP) is a tough, rigid, crystalline thermoplastic polymer derived from the monomer propylene. However, these studies have focused on spherical MPs, which have smooth edges and a spherical shape and account for l … Feb 1, 2025 · Microplastics (MP) are ubiquitous in the environment, and are toxic to various living organisms. Sep 1, 2022 · Despite the fact that microplastic pollution in terrestrial ecosystems has received increasing attention, there are few studies on the potential effects of different microplastics on terrestrial plants. It is produced via chain-growth polymerization from the monomer propylene. Male Jan 10, 2023 · With the increasing use of plastic-based products, the likelihood of human exposure to microplastics has increased. . Major sources of microplastic exposure are the air, food and drinks. Learn about its properties, composition, and wide-ranging uses in packaging, chemical storage, and consumer products. 265 g/kWh after 2 h of DBD Apr 22, 2024 · Microplastics For this experiment, polyethylene (PE), polypropylene (PP), and polystyrene (PS) plastic beads were purchased from Sigma-Aldrich, USA. "When steeped in hot water, these bags can release microplastics into the Mar 15, 2025 · To address this issue, this study investigated the effects of short-term stress and long-term accumulation of polypropylene microplastics (PP-MPs) with different particle sizes on the operational efficiency of MBRs by running three MBR systems at four concentration stages. It is produced through the polymerization of propylene monomers and is characterized by its light weight, high strength, chemical resistance, and good heat resistance. Jan 20, 2022 · Impact of polypropylene microplastics and chemical pollutants on European sea bass (Dicentrarchus labrax) gut microbiota and health Mar 6, 2025 · Therefore, this study focuses on systematically evaluating the influence of temperature and relative humidity during simulated UV exposure on the fragmentation and degradation of five types of pristine microplastic powders: polypropylene, low density polyethylene, polyamide 6, high impact polystyrene and thermoplastic polyurethane. Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. , 2016). Apr 1, 2025 · Polypropylene is a thermoplastic polymer known for its light weight, good chemical resistance, low moisture absorption, and high melting point. May 5, 2025 · Polypropylene is a versatile plastic used in items like toys, carpets, and food containers. Mar 5, 2025 · Polypropylene is widely used in textiles, injection molding, and film production, yet the metabolic toxicity of polypropylene microplastics is poorly known due to the limitations of analytical techniques. However, the biosafety of polypropylene microplastics (PP-MPs), especially of PP particles < 10 μm, in mammals has not been studied. It finds application in packaging, automotive, consumer goods, medical, cast films, etc. Sep 1, 2021 · Primary microplastics are manufactured intentionally by industries for cosmetics purposes whereas secondary microplastics occur due to weathering/degradation of plastic residues in the environment by wave action, growth of bio-film, solar exposure, mechanical shear, and thermal oxidation (Andrady, 2017). In this Apr 17, 2023 · Microplastics (MPs) are now a global issue due to increased plastic production and use. Anton Petrus/Moment via Getty Images Fingerprinting microplastics Just as fingerprinting Abstract Background Microplastics have been detected in the atmosphere as well as in the ocean, and there is concern about their biological effects in the lungs. Here, we review the sources, formation, occurrence, toxicity and remediation methods of microplastics. The global plastics and chemical industries agree that further information is needed and are contributing to scientific understanding through research, one of the primary Mar 5, 2024 · Effects of polystyrene, polyethylene, and polypropylene microplastics on the soil-rhizosphere-plant system: Phytotoxicity, enzyme activity, and microbial community Dec 30, 2024 · Aluminum and tin cans are not fully plastic-free, and their linings can leach microplastic particles. The beads were crushed and cut into sizes ranging from 0. This confirmation was based on the reduction of the PP mass, change in molecular weight (MW), and a positive Δδ13C in the residual PP. In this study, administration of two particle sizes of PP microplastics (approximately 5 and 10–50 µm) did not lead to any significant changes in several Feb 5, 2023 · Research Paper Polypropylene microplastics affect the distribution and bioavailability of cadmium by changing soil components during soil aging Floating microplastics are susceptible to sunlight-driven photodegradation, which can convert plastic carbon to dissolved organic carbon (DOC) and can facilitate microplastic fragmentation by mechanical forces. Multiple sources are now confirmed, including primary microplastics in cosmetics and paint as well as the pellets and flakes used to make plastic products, along with secondary microplastics generated by the abrasion of larger items during use, including May 15, 2023 · Polypropylene microplastics aging under natural conditions in winter and summer and its effects on the sorption and desorption of nonylphenol Jan 22, 2025 · Find out what you need to know about the toxicity of polypropylene, and discover its pros, cons, and potential health risks. Jan 4, 2022 · The COVID-19 pandemic has increased the use of disposable plastics, including medical masks, which have become a necessity in our daily lives. 10 % by mass loss and the energy efficiency reached 6. Polypropylene, also known as polypropene, is a type of thermoplastic polymer that plays a crucial role in various industries. This includes everything from packaging and electronics to clothing and medical devices. However, most toxicity studies on NPs have been based on commercial polystyrene nanoparticles. Recently, various studies have been performed in response to the human health risk assessment. However Sep 20, 2024 · The vast application and deep integration of plastic commodity with our human lives raise a great concern about the ubiquitous microplastics (MPs) in nature, yet the environmental behavior of MPs remain unclear. • Surface roughness of PP-MPs before and after the interaction changed significantly. But most microplastics come from the slow disintegration of larger plastic products, including plastic wrap, takeaway containers, polyester clothes, tires, paint and artificial turf. Obviously, it can be seen that the maximum adsorption capacity of Pb is higher than that of the other heavy metals. It’s known for its high melting point, resistance to chemicals, and its versatility in product manufacturing. • PP-MPs after aging interacted more strongly with HA and there was a higher affinity. May 20, 2025 · Microplastics filtered out of wastewater end up in sludge that is then used as fertilizer. Aug 6, 2024 · Background Microplastics have been detected in the atmosphere as well as in the ocean, and there is concern about their biological effects in the lungs. And they estimated that each bag of infusion fluid could deliver about 7,500 microplastics directly into the bloodstream. In the current study, multi-omics analyses were performed to compare the biodegradable p … Mar 6, 2025 · Plastic bottles are often made of polyethylene, while food containers usually containe polypropylene. Feb 4, 2025 · Plastic is everywhere. Every simple shift creates a ripple effect for a greener, healthier tomorrow. Jun 2, 2025 · Some plastics are made to be small. The global plastics and chemical industries agree that further information is needed and are contributing to scientific understanding through research, one of the primary Mar 6, 2025 · Therefore, this study focuses on systematically evaluating the influence of temperature and relative humidity during simulated UV exposure on the fragmentation and degradation of five types of pristine microplastic powders: polypropylene, low density polyethylene, polyamide 6, high impact polystyrene and thermoplastic polyurethane. 12 kDa). We conducted an inhalation exposure of polypropylene fine powder at a low concentration of 2 mg/m 3 2 days ago · Plastic pollution is choking our planet, but reducing waste starts with small choices at home. These are known as primary microplastics, like the microbeads intentionally added to face washes and other personal care products. Okoffo a , Sarah Ede b , Stacey O'Brien a , Stephen D. We prepared microplastics from polypropylene medical masks and characterised their size, shape, organic chemical leaching, and Feb 27, 2024 · How do you try to avoid microplastics and other toxins in your family’s food? I don’t microwave in plastic. A MW-dependent biodegradation mechanism was investigated using Jul 23, 2025 · Microplastics are small plastic particles, usually under 5 millimeters. The presence of microplastics affects the Apr 17, 2023 · Microplastics (MPs) are now a global issue due to increased plastic production and use. Mar 24, 2023 · And now more and more studies are finding that microplastics, defined as plastic pieces less than 5 millimeters across, are also in our bodies. It is characterized by its low density, making it the lightest among commodity plastics, and exhibits excellent chemical resistance. Aug 7, 2025 · What’s the problem with plastic? You’ve probably heard about plastic pollution in the ocean or microplastics in the human body. Some marine organisms seem to be eating more microplastics and fewer nutrients, which can reverberate up the food chain. Among plastics, polypropylene (PP) is one of the most We would like to show you a description here but the site won’t allow us. Limited studies have carefully characterized the occurrence of MPs in polypropylene-made takeout food containers (TOFCs), which have been widely used in 1. Microplastic pollution is becoming a major issue for human health due to the recent discovery of microplastics in most ecosystems. [1] Microplastics cause pollution by entering natural ecosystems from a variety of sources, including cosmetics, clothing, construction, renovation, food packaging, and industrial processes. Jul 24, 2024 · Microplastics and nanoplastics may be present in food, primarily from environmental contamination where foods are grown or raised. Two classifications of microplastics are currently recognized. Thus, here, Sep 21, 2022 · Polymers are omnipresent in our everyday lives. Herein, an atmospheric pressure air DBD plasma system, was proposed for removal of typical polypropylene microplastics (mPP). Plastic cigarette filters make their way to lakes and oceans, where they degrade over time. But the plastic pollution crisis reaches far beyond plastic harming wildlife and people not putting plastic in the correct bin. The mass and number of microplastics released from polypropylene chopping boards were greater Microplastics’ physical properties are one source of potential hazards. Abstract The amount of plastic waste and microplastics released into marine environments has increased rapidly in recent decades. PP-MPs exposure can significantly increase locomotor activity and shorten the time of group sleep in Drosophila. It is a commodity plastic with low density and high heat resistance. Jan 20, 2025 · Anshari, R. 2 inch) in length, that occur in the environment as a consequence of plastic pollution. Polypropylene (PP), the plastic most abundantly found in the middle and lower reaches of the Yangtze River Basin, has less comprehensive Jun 15, 2025 · The persistence of plastics, particularly polypropylene (PP), and their conversion into microplastics (MPs), specifically PP-MPs, have emerged as seri… Sep 22, 2022 · Polypropylene microplastics are the leading contaminant in aquatic environments, although research on their toxicity remains scarce. Nanoplastics are much smaller and invisible to the naked eye, ranging from 1 to 1,000 nanometers -- a fraction of the width of a Nov 10, 2022 · The massive accumulation of plastics over the decades in the aquatic environment has led to the dispersion of plastic components in aquatic ecosystems, invading the food webs. Polypropylene belongs to the group of polyolefins and is partially crystalline and non-polar. 4 days ago · By investigating the mitigation of polypropylene microplastics through photocatalytic degradation, it supports the project’s efforts to address the challenges of packaging waste and its environmental impact. et al. Jul 31, 2024 · Polypropylene is a thermoplastic polymer, belonging to the polyolefin family of polymers. Burrows a c , Francisca Ribeiro a c , Michael Gallen a , John Colwell d , Andrew K. 59 and Mw 187. Industry, researchers, policy makers, and citizens want a better understanding of how microplastics interact with humans and the environment, and how best to prevent microplastics from getting into the environment. Here's how to protect yourself, according to a toxicologist. 3 % after 10 cycles of Abstract Polypropylene-based products are commonly used for food preparation and storage, but their capacity to release microplastics is poorly understood. Its chemical formula is (C 3 H 6) n. Little is known about how FT aged MPs influence soil physico-… Mar 11, 2025 · The researchers discovered that both brands of saline contained microplastic particles made from polypropylene — the same material as the bags — which suggests that the bags shed microplastics into the solutions. , Tsuboi, M. It would be impossible to calculate how many items contain plastic, but it is certainly the majority of products. ABSTRACT: Floating microplastics are susceptible to sunlight-driven photodegradation, which can convert plastic carbon to dissolved organic carbon (DOC) and can facilitate microplastic fragmentation by mechanical forces. The effects of polypropylene (PP) MPs on digestion perfor… Sep 20, 2019 · On the other hand, the wind-driven transport of microplastics from dried sludge-based soil could cause accumulation of plastic debris in human according to research, The total atmospheric fallout of microplastics was assessed in a densely populated urban area and a less-dense suburban area in Paris (Dris et al. We investigated the potential exposure of infants Jul 20, 2024 · This study focuses on the photo-aging of polypropylene (PP) and the resulting structural changes that promote its fragmentation microplastics (PP-MPs) and release of metals, as well as the resulting toxicity of leachates and their potential to inhibit biodegradation of organics in water. 4 million polypropylene microplastics May 1, 2022 · Here, we present a method to assess the time of microplastics generation through quantitatively matching material aging behavior with mechanical failure. Oct 20, 2023 · Long-term aged fibrous polypropylene microplastics promotes nitrous oxide, carbon dioxide, and methane emissions from a coastal wetland soil Jan 20, 2022 · Impact of polypropylene microplastics and chemical pollutants on European sea bass (Dicentrarchus labrax) gut microbiota and health Industry, researchers, policy makers, and citizens want a better understanding of how microplastics interact with humans and the environment, and how best to prevent microplastics from getting into the environment. While several additives are nowadays considered to be toxic or persistent in the environment, quantitative data characterizing plastic fragmentation Apr 2, 2024 · The biodegradation of polypropylene (PP), a highly persistent nonhydrolyzable polymer, by Tenebrio molitor has been confirmed using commercial PP microplastics (MPs) (Mn 26. Jun 13, 2024 · Microplastics are categorized as primary microplastics, the raw materials used in domestic and personal care products, and secondary microplastics arising from the degradation of raw plastic particles by physical, chemical, and biological processes in the environment [10]. We distinguish 6 days ago · Microplastics could harm food production Image: Frank Hoermann/SVEN SIMON/picture alliance What plastic in roots does to crop yields? Microplastics can reduce photosynthesis by up to 12% Sep 9, 2024 · Microplastics are a growing concern as pollutants that impact both public health and the environment. Jul 30, 2025 · Thousands of microscopic plastics in the air of homes, offices and cars may be endangering our health, according to a new study. In humans, researchers point to illnesses caused by particulate air pollution, which contains microplastics, and by workplace exposure to plastic dust. May 15, 2024 · In cold regions, microplastics (MPs) in the soil undergo freeze-thaw (FT) aging process. In this study, administration of two particle sizes of PP mi … Jan 29, 2025 · Avoiding nonstick and plastic cookware, wearing clothes made of natural fibers, and seeking out plastic-free toiletries and cosmetics can likely lower health risks related to microplastics May 22, 2025 · Plastic kitchenware can release microplastics and chemicals under specific conditions, particularly with heat and wear. 6 mm polypropylene microplastics were photodegraded while tracking plastic mass, carbon, and Jul 8, 2025 · Microplastics, small pieces of plastic, less than 5 mm (0. We evaluated Sep 20, 2019 · On the other hand, the wind-driven transport of microplastics from dried sludge-based soil could cause accumulation of plastic debris in human according to research, The total atmospheric fallout of microplastics was assessed in a densely populated urban area and a less-dense suburban area in Paris (Dris et al. As a potential threat to human health, ingestion of microplastics (MPs) has become of concern. Addressing this global challenge, our scientists introduced Chiron MicroPRefs®, the first commercially available microplastic reference materials. For specific applications, their properties can be extensively modified by various types of additives, e. Jan 13, 2025 · A new study found that tea bags made from these packagings release billions of microplastics. Microplastics (MPs) pose a significant threat to the environment and human health. Researchers are studying how microplastics affect human health and cancer risk. Currently, polypropylene (PP) is used in various products, thus leading to high daily exposure in humans. Maybe you’ve assumed that if people just recycled more, we wouldn’t have a plastic problem in the first place. , processing stabilizers, antioxidants, UV-stabilizers, flame retardants, and plasticizers. Mar 12, 2023 · Polypropylene (PP) is a versatile plastic known for its durability, chemical resistance, and recyclability. We also want to make Mar 11, 2025 · This study examines the effects of polypropylene microplastics (PP-MPs) and lead (Pb) on wheat seed germination, seedling growth, and antioxidant responses under hydroponic conditions. Consequently, they, lose their mechanical toughness, become delicate, and disintegrate into minute particles known as microplastics (Sivan, 2011). This study provides an overview of recent findings on issues related to plastic degradation, the accumulation of microplastics in mussels and fishes, and the Microplastics, ranging from macro to nano-sized particles, are pervasive pollutants that accumulate in our environment and enter food and water, posing risks to ecosystems and human health. We investigated the potential exposure of infants to microplastics from consuming formula prepared in polypropylene (PP) infant feeding bottles (IFBs). Jul 20, 2024 · This study focuses on the photo-aging of polypropylene (PP) and the resulting structural changes that promote its fragmentation microplastics (PP-MPs) and release of metals, as well as the resulting toxicity of leachates and their potential to inhibit biodegradation of organics in water. , Sato, H. Jul 18, 2025 · What is polypropylene? Polypropylene (PP) is a type of polyolefin that is slightly harder than polyethylene. This study investigates the adsorption behavior of polypropylene (PP) MPs on polydimethylsiloxane (PDMS) surface using experiments and molecular dynamics (MD) simulations. We can reduce microplastics by limiting how much plastic is produced, used and disposed of. Years ago, I put my kids’ plastic baby bottles in the microwave to warm up milk because I, like so many people, just thought everything I bought at the store was safe for all uses. Jul 25, 2025 · Microplastics have even been found inside our bones – but what impact are they having on our health? Here's everything we know about what they're doing to our bodies. From reusable bags and eco-friendly cutlery to composting and supporting sustainable brands, you can drastically cut plastic. • HA addition increased oxygen-containing functional groups on the surface of PP-MPs. Mar 15, 2021 · The results obtained demonstrated that photocatalytic degradation of polypropylene microplastics continuously for two weeks under visible light (in practice considering half a day of sunlight this would be four weeks’ duration) reduced its average particle volume by 65% compared to the as received polypropylene microplastics. 6 mm polypropylene microplastics were photodegraded while tracking plastic mass, carbon, and particle size Sep 19, 2024 · Microplastics, now widely defined as pieces ≤5 mm in size, are recognized as a highly diverse set of globally important contaminants. Learn all about polypropylene (PP) plastic. Proper application of biodegradable plastics may alleviate the hazards of conventional non-biodegradable plastics. Aug 8, 2023 · Billions of nanometer-wide particles can be released from plastic containers into the food they're holding when they're microwaved, a new study reveals. Here, we used internal extractive electrospray ionization coupled with high-resolution mass spectrometry and non-targeted metabolomics analysis to investigate the impact of polypropylene Sep 15, 2023 · Polypropylene microplastics induced lipid droplet accumulation and changed lipid metabolic profiles in mouse liver, and results from Raman spectroscopy confirmed lipid-associated spectral alterations of liver tissues. Mar 5, 2024 · Effects of polystyrene, polyethylene, and polypropylene microplastics on the soil-rhizosphere-plant system: Phytotoxicity, enzyme activity, and microbial community Dec 30, 2024 · Aluminum and tin cans are not fully plastic-free, and their linings can leach microplastic particles. These particles are pervasive, detected even in remote regions, and can enter the food chain, accumulating in organisms and causing harm depending on factors such as particle load, exposure dose, and Sep 15, 2023 · Polypropylene microplastics induced lipid droplet accumulation and changed lipid metabolic profiles in mouse liver, and results from Raman spectroscopy confirmed lipid-associated spectral alterations of liver tissues. g. Sep 20, 2019 · We investigated the cellular responses of secondary polypropylene microplastics (PP particles) of approximately ~20 μm and 25-200 μm in different condition and size to normal cells, immune cells, blood cells, and murine immune cells by cytokine analysis, ROS assay, polarization assay and proliferation assay. Thus, it is necessary to evaluate the toxicological effects, biodistribution, and accumulation of PP microplastics in the human body. The small size of NPs allows them to accumulate within and adversely affect various tissues by penetrating the gastrointestinal barrier. Mar 1, 2025 · Despite the extensive presence of microplastics and the complexity and diversity of microbial functions, research on the biodegradation of various microplastics remains limited. In the current study, multi-omics analyses were performed to compare the biodegradable polyhydroxyalkanoates (PHA) and non-biodegradable polypropylene (PP) MP for their toxicity on Jun 18, 2025 · A leader in this research field, Duke University serves as a vast repository of research and information about microplastics, with more than 60 faculty, students, staff and postdocs across 12 schools and departments as part of its Plastic Pollution Working Group. Thus, we investigated the impact of chopping styles and board materials on microplastics released during chopping. Whittaker e f, Sarit Kaserzon a , Kevin V Apr 4, 2024 · A recent study found that plastic cutting boards are a significant source of microplastics, with the potential to expose any one individual to as much as 79. The term microplastics is used to differentiate from larger, non-microscopic plastic waste. It is estimated that around 125–850 tons of microplastics, which generally form due to bio-deterioration of macroplastics or are manufactured Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. Sep 1, 2024 · Polypropylene microplastics (PP-MPs), an emerging pollutant, adversely affect the ability of aquatic plants to restore water bodies, thereby compromising the functionality and integrity of wetland ecosystems. The durability of plastic materials results in major problems following their release into the environment. May 23, 2023 · Plastic cutting boards are a potentially significant source of microplastics in human food. These results suggest that toxicity assessment of various microplastics in the respiratory system is required since the toxic effects of microplastics in the respiratory system remain poorly understood. Mar 24, 2025 · This blog addresses concerns that plastic piping systems, such as polyethylene (PE), crosslinked polyethylene (PEX), polyethylene of raised temperature (PE-RT), polypropylene (PP), and chlorinated polyvinyl chloride (CPVC) leach microplastics into drinking water and contaminate the water supply. Raman and ATR-FTIR unmask crystallinity changes and carboxylate group and vinyl group accumulation in natural weathering polypropylene microplastics. As a main type and candidate of MPs, pristine polypropylene MPs (PP-MP-Pris), as well as the influence of ultraviolet (UV) irradiation on the degree of aging and surface Oct 1, 2024 · Polypropylene microplastics (PP-MPs) particles, the most common microplastics in the aquatic environment, can cause serious harm to the aquatic enviro… Nov 1, 2024 · As an emerging pollutant, microplastics (MPs) have attracted increasing attention worldwide. Introduction Microplastics are considered as minute plastic particles with a size of <5 mm which cause severe environmental pollution due to their exponential increase in abundance in large-scale manufacturing and mass production and their vast utilisation in the world [1]. Jul 1, 2024 · Chopping boards alone could expose humans to up to 79. Mar 13, 2025 · What Are Microplastics? Microplastics are plastic particles smaller than five millimeters. We expect plastic-binding peptides to be used in sensors to increase the detection efficiency of microplastics and potentially help separate microplastics from seawater. Jun 20, 2022 · Plastic wastes deteriorate due to photo-oxidation when exposed to abiotic conditions such as sunlight. While plastic is an extremely valuable and versatile material, it comes with a downside: Microplastics. Thus, here, we explored the mechanism of action and effect of exposure to small and large PP-MPs, via oral ingestion, on the mouse intestinal tract. Jul 15, 2024 · Abstract Microplastics (MPs), emerging as significant pollutants, have been consistently detected in aquatic environments, with the Yangtze River experiencing a particularly severe level of microplastic pollution, exceeding all other watersheds in China. Aug 1, 2025 · Many commercial tea bags are made with polypropylene, a type of plastic used to seal the bags and maintain their shape. It serves as the central hub to share their work related to plastic pollution. In the present study, the dose-dependent cytotoxicity of 8–10 μm polypropylene Do your cosmetics and personal care products contain microplastics? Find out now! Discover a complete list of popular products and check how safe they are. 5 mm for analysis purposes. Many of these products readily enter the environment in wastes. FTIR findings demonstrated the lack of xylene Aug 15, 2022 · Highlights • Polypropylene microplastics (PP-MPs) mainly interacted with aromatic structure of humic acid (HA). Aug 6, 2024 · Background: Microplastics have been detected in the atmosphere as well as in the ocean, and there is concern about their biological effects in the lungs. Jan 28, 2023 · Extensive environmental pollution by microplastics has increased the risk of human exposure to plastics. The presence of inhalable microplastics in indoor air has become a topic of concern as many people spent extended periods of time indoors during the COVID-19 pandemic lockdown restrictions, however Jan 14, 2025 · Tea bags made from paper will theoretically shed fewer (or no) microplastics when compared with plastic versions, said Hailey E. In this study, the toxicity of polystyrene (PS), polyethylene (PE) and polypropylene (PP) microplastics with different concentrations (0, 10, 100, 500 and 1000 mg/L) to tomato (Lycopersicon Microplastics (MP) are ubiquitous in the environment, and are toxic to various living organisms. Plastics fragmented into microplastics can be bioaccumulated by fishes via different exposure routes, causing several adverse effects. Jun 27, 2023 · From table salt to tap water to fish, microplastics are turning up everywhere. Jul 29, 2025 · Microplastics are plastic particles smaller than 5 millimeters. Jan 4, 2022 · Nanoplastics (NPs) are emerging environmental pollutants and are a significant concern for human health. Jul 23, 2009 · polypropylene, a synthetic resin built up by the polymerization of propylene. As chopping progressed, the effects of chopping styles on microplastic release became evident. ssjqjo qedt gndrso ftqyz ujqnkh rvwbf biczzsi wahq lkakv dwky