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Biomonitoring of airborne microplastics and microrubbers in Shiraz, Iran, using lichens and moss

Environmental Geochemistry and Health 2024 9 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Andrew Turner Sajjad Abbasi, Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Sajjad Abbasi, Sajjad Abbasi, Andrew Turner Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Nafiseh Khodabakhshloo, Nafiseh Khodabakhshloo, Nafiseh Khodabakhshloo, Nafiseh Khodabakhshloo, Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Sajjad Abbasi, Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Sajjad Abbasi, Andrew Turner Andrew Turner Andrew Turner Andrew Turner Nafiseh Khodabakhshloo, Patryk Oleszczuk, Andrew Turner Nafiseh Khodabakhshloo, Sajjad Abbasi, Andrew Turner Sajjad Abbasi, Andrew Turner Andrew Turner Nafiseh Khodabakhshloo, Andrew Turner Sajjad Abbasi, Nafiseh Khodabakhshloo, Sajjad Abbasi, Andrew Turner Sajjad Abbasi, Andrew Turner Sajjad Abbasi, Patryk Oleszczuk, Andrew Turner Andrew Turner Sajjad Abbasi, Patryk Oleszczuk, Nafiseh Khodabakhshloo, Nafiseh Khodabakhshloo, Nafiseh Khodabakhshloo, Sajjad Abbasi, Andrew Turner Nafiseh Khodabakhshloo, Andrew Turner Andrew Turner Sajjad Abbasi, Sajjad Abbasi, Patryk Oleszczuk, Nafiseh Khodabakhshloo, Patryk Oleszczuk, Sajjad Abbasi, Sajjad Abbasi, Nafiseh Khodabakhshloo, Patryk Oleszczuk, Sajjad Abbasi, Patryk Oleszczuk, Sajjad Abbasi, Sajjad Abbasi, Andrew Turner Patryk Oleszczuk, Patryk Oleszczuk, Andrew Turner Andrew Turner Andrew Turner Patryk Oleszczuk, Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Andrew Turner Patryk Oleszczuk, Patryk Oleszczuk, Sajjad Abbasi, Andrew Turner Andrew Turner Patryk Oleszczuk, Andrew Turner Patryk Oleszczuk, Andrew Turner Sajjad Abbasi, Patryk Oleszczuk, Sajjad Abbasi, Sajjad Abbasi, Andrew Turner Andrew Turner Andrew Turner Andrew Turner

Summary

Researchers conducted biomonitoring of airborne microplastics and microrubbers in an indoor environment, characterizing particle types, sizes, and polymer compositions in settled dust and air samples. The findings provide evidence of significant indoor microplastic exposure through inhalation of airborne particles.

Microplastics (MPs) and microrubbers (MRs) determined in lichens and mosses around Shiraz. In lichens, MPs mainly thin fibres up to 1 MP g; MRs were < 0.1 MP g. In mosses, abundances were similar but with a greater fraction of larger, non-fibrous particles. Larger MPs and MRs decreased in abundance with distance and elevation from Shiraz. Around Shiraz, the common moss, Grimmia critina, would be the most suitable biomonitor. Lichens and mosses have been employed as biomonitors of atmospheric particulate pollutants, like metals and industrial solids, for many decades. Here, we evaluated the potential of nine species of crustose and foliose lichens and a widely distributed moss (Grimmia critina) to act as biomonitors of airborne microplastics (MPs) and microrubbers (MRs). About 200 lichens and 40 mosses were sampled across different altitudinal transects in the vicinity of Shiraz City, southwest Iran, and MPs and MRs were quantified and characterised after sample peroxidation. In most species of lichen, MP and MR abundance overall was < 1 g and < 0.1 g, respectively, and the majority of plastics were fibres of < 10 µm in diameter and < 1000 µm in length. Respective weight normalised abundances of MPs and MRs were similar in G. critina, but there were greater proportions of both larger (> 1000 µm) and non-fibrous particles among the MPs. In both lichens and moss, there was a greater number of larger MPs and MRs at locations closest to and at the same elevation as Shiraz than at more distant and elevated locations, suggesting an inverse relationship between particle size and distance travelled. Among the lichens, members of the genus Acarospora, with their areolated form, appeared to act as the most suitable biomonitors for MPs and MRs. Overall, however, the wide distribution of the moss, G. crinita, and its ability to intercept and accumulate a broader range of sizes and shapes of MPs and MRs make this species a better choice, at least in the type of environment studied.

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