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Identificação e quantificação de microplásticos na atmosfera do Porto e riscos para a saúde humana
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Researchers investigated the presence of airborne microplastics in Porto, Portugal, examining how atmospheric particles can adsorb polycyclic aromatic hydrocarbons (PAHs) and other pollutants, raising concern about daily human exposure to microplastics carrying potentially carcinogenic compounds that may accumulate in blood, lungs, and brain tissue.
ii Resumo Os microplsticos so pequenos fragmentos de plsticos que possuem medidas inferiores a 5 mm, podendo j possuir esse tamanho ou atingi-lo por meio de degradao.Estando presentes na atmosfera, os microplsticos podem absorver/adsorver alguns poluentes do ar, com por exemplo, os que saem de escapes de automveis, assim como ligarem-se a compostos orgnicos, Hidrocarbonetos Aromticos Policclicos (PAHs) podendo ser considerados como cancergenos.Sendo assim a populao humana est exposta diariamente a microplsticos que contm em si compostos prejudiciais sade humana, havendo estudos com evidncias da presena de microplsticos na corrente sangunea alojando-se em rgos como os pulmes, crebro e feto.Neste trabalho cientfico pretende-se extrair os compostos de PAHs em amostras que
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Quantification and characterization of microplastics in the atmosphere of São Carlos – SP
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This Brazilian study quantified and characterized microplastics collected from the atmosphere of São Carlos, São Paulo state, contributing to the growing evidence that airborne microplastics are a significant but underappreciated exposure pathway for humans and ecosystems. The study provides baseline data on airborne plastic particle concentrations in a mid-sized Brazilian city.
Microplastics and particulate matter: assessment of atmospheric pollution in the Region of Hortênsias, Brazil
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Researchers measured microplastic concentrations alongside particulate matter in the atmosphere of an urban area, characterizing the size, morphology, and polymer composition of airborne plastic particles and assessing the contribution of different anthropogenic sources to atmospheric MP pollution.
Airborne Microplastic Pollution in a Highly Urbanized City: Occurrence, Characteristics, Human Exposure and Potential Risks
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Airborne microplastic monitoring in Guangzhou found concentrations averaging 2.5 particles/m³, with fiber-form MPs from synthetic textiles dominant and levels highest near high-traffic areas, translating to estimated human inhalation of 4,100–12,180 particles per year. Quantifying inhalation exposure in megacities is a public health priority given emerging evidence that airborne MPs deposit in lung tissue and may drive respiratory inflammation.
Microplastics in ambient air: a review of atmospheric abundance, human exposure and urgent research needs
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This review pulled together findings from 84 studies to show that tiny plastic bits called microplastics are floating in the air everywhere, indoors, outdoors, in cities, and even in remote places like Antarctica, with tiny plastic fibers being the most common type found. Since we're breathing this stuff in daily, early research links it to lung inflammation, cell damage, and metabolic problems, though scientists say we still need more studies to understand exactly how much exposure is harmful and over what timeframe.
From atmosphere to lungs: health risks of airborne microplastics in public spaces
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Sampling air from bus terminals, supermarkets, hospitals, and other public spaces in Kerala, India revealed microplastic concentrations up to 960 particles/kg, with PVC fibers posing the highest cancer risk index and infants facing the greatest estimated daily intake. The findings show that densely occupied public spaces in tropical, underrepresented regions present significant airborne microplastic inhalation risks, particularly for vulnerable age groups.
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