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Data on the internal exposure level of microplastics in fecal samples of adults in China
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Researchers measured microplastic levels in 151 fecal samples from adults in Shanghai using pyrolysis-GC/MS, with 101 participants tested twice one month apart. The study documented measurable internal MP exposure in the general adult population and found moderate intra-individual variation in fecal MP levels over time.
The levels of MPs in 151 fecal samples from adults in Shanghai were detected using the Pyrolysis gas chromatography-mass spectrometry (Py-GC/MS) method in 2024, among which 101 individuals were tested twice with a one-month interval.
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Data on the internal exposure level of microplastics in fecal samples of adults in China
AI summary Read the abstract
This study measured microplastic concentrations in fecal samples from 151 Shanghai adults using pyrolysis-GC/MS and retested 101 participants after one month. Results confirmed consistent internal microplastic exposure across the sampled population with some individual variability over time.
Microplastics in stools and their influencing factors among young adults from three cities in China: A multicenter cross-sectional study
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In a study of 78 college students across three Chinese cities, microplastics were detected in the stool of nearly every participant, with a median concentration of about 55 micrograms per gram. People who ate more takeout food had significantly higher microplastic levels in their stool. This is one of the first studies to measure the actual mass of microplastics passing through young adults' digestive systems, confirming that diet and food packaging directly influence human exposure.
You are what you eat: Microplastics in the feces of young men living in Beijing
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Researchers collected and analyzed fecal samples from 26 young men in Beijing to measure microplastic content. They found microplastics in all samples, with the amount correlating to the participants' consumption of packaged food and beverages, providing direct evidence that people are regularly ingesting microplastics through their diet.
Internal and external microplastic exposure in young adults: A pilot study involving 26 college students in Changsha, China
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A pilot study of 26 college students in Changsha, China found that the main source of microplastic exposure in young adults was through food, followed by air and drinking water. Microplastic levels in blood serum were higher than in urine, suggesting these particles accumulate in the body rather than being quickly eliminated.
Microplastics in human feces: a pilot study exploring links with dietary habits
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Researchers analyzed fecal samples from 18 people in Norway and found microplastics in 17 of them, with polypropylene being the most common polymer, but found no significant link between seafood consumption and microplastic levels. The results suggest that dietary habits alone do not determine exposure, and that microplastics may enter the body through many everyday sources beyond food.
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