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Comparing the effects of pristine and UV–VIS aged microplastics: Behavioural response of model terrestrial and freshwater crustaceans
Ecotoxicology and Environmental Safety2024
7 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 45
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Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Branka Mušič,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Primož Zidar,
Primož Zidar,
Dana Kühnel
Primož Zidar,
Dana Kühnel
Dana Kühnel
Dana Kühnel
Dana Kühnel
Damjana Drobne,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Branka Mušič,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Branka Mušič,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Branka Mušič,
Branka Mušič,
Branka Mušič,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Branka Mušič,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Andrijana Sever Škapin,
Andrijana Sever Škapin,
Damjana Drobne,
Tina Skalar,
Dana Kühnel
Dana Kühnel
Dana Kühnel
Tina Skalar,
Dana Kühnel
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Branka Mušič,
Anita Jemec Kokalj,
Damjana Drobne,
Branka Mušič,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Branka Mušič,
Anita Jemec Kokalj,
Tina Skalar,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Damjana Drobne,
Damjana Drobne,
Anita Jemec Kokalj,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Damjana Drobne,
Luka Škrlep,
Dana Kühnel
Tina Skalar,
Anita Jemec Kokalj,
Tina Skalar,
Damjana Drobne,
Luka Škrlep,
Luka Škrlep,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Andrijana Sever Škapin,
Tina Skalar,
Damjana Drobne,
Dana Kühnel
Andrijana Sever Škapin,
Andrijana Sever Škapin,
Andrijana Sever Škapin,
Andrijana Sever Škapin,
Damjana Drobne,
Tina Skalar,
Damjana Drobne,
Luka Škrlep,
Damjana Drobne,
Tina Skalar,
Luka Škrlep,
Dana Kühnel
Dana Kühnel
Tina Skalar,
Anita Jemec Kokalj,
Damjana Drobne,
Tina Skalar,
Anita Jemec Kokalj,
Damjana Drobne,
Anita Jemec Kokalj,
Dana Kühnel
Dana Kühnel
Branka Mušič,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Primož Zidar,
Anita Jemec Kokalj,
Damjana Drobne,
Damjana Drobne,
Branka Mušič,
Damjana Drobne,
Branka Mušič,
Damjana Drobne,
Damjana Drobne,
Luka Škrlep,
Luka Škrlep,
Luka Škrlep,
Luka Škrlep,
Luka Škrlep,
Anita Jemec Kokalj,
Damjana Drobne,
Andrijana Sever Škapin,
Tina Skalar,
Tina Skalar,
Anita Jemec Kokalj,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Dana Kühnel
Dana Kühnel
Dana Kühnel
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Primož Zidar,
Tina Skalar,
Andrijana Sever Škapin,
Andrijana Sever Škapin,
Luka Škrlep,
Luka Škrlep,
Luka Škrlep,
Damjana Drobne,
Dana Kühnel
Luka Škrlep,
Andrijana Sever Škapin,
Andrijana Sever Škapin,
Damjana Drobne,
Luka Škrlep,
Andrijana Sever Škapin,
Andrijana Sever Škapin,
Anita Jemec Kokalj,
Luka Škrlep,
Anita Jemec Kokalj,
Damjana Drobne,
Damjana Drobne,
Anita Jemec Kokalj,
Luka Škrlep,
Damjana Drobne,
Dana Kühnel
Luka Škrlep,
Tina Skalar,
Luka Škrlep,
Dana Kühnel
Luka Škrlep,
Anita Jemec Kokalj,
Branka Mušič,
Branka Mušič,
Anita Jemec Kokalj,
Branka Mušič,
Branka Mušič,
Anita Jemec Kokalj,
Branka Mušič,
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Andrijana Sever Škapin,
Andrijana Sever Škapin,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Anita Jemec Kokalj,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Dana Kühnel
Anita Jemec Kokalj,
Damjana Drobne,
Anita Jemec Kokalj,
Dana Kühnel
Dana Kühnel
Dana Kühnel
Anita Jemec Kokalj,
Branka Mušič,
Andrijana Sever Škapin,
Andrijana Sever Škapin,
Dana Kühnel
Anita Jemec Kokalj,
Anita Jemec Kokalj,
Damjana Drobne,
Andrijana Sever Škapin,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Dana Kühnel
Damjana Drobne,
Anita Jemec Kokalj,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Damjana Drobne,
Dana Kühnel
Summary
Researchers compared the behavioral effects of pristine versus UV-VIS weathered microplastics on model terrestrial isopods and freshwater amphipods, first characterizing how weathering changed particle surface chemistry. Weathered microplastics produced different behavioral responses than pristine particles in both species, confirming that environmental aging significantly changes the biological hazard profile of plastic particles.
Physico-chemical properties of microplastics (MPs) change during weathering in the environment. There is a lack of knowledge about the effects of such environmentally relevant MPs on organisms. We investigated: 1) the physico-chemical changes of MPs due to UV-VIS weathering, and 2) compared the effect of pristine and aged MPs on the behaviour of the water flea Daphnia magna and terrestrial crustacean Porcellio scaber. Dry powders of MPs were produced from widely used polymer types: disposable three-layer polypropylene (PP) medical masks (inner, middle and outer), polyester textile fibres, car tires and low-density polyethylene (LDPE) bags and were subjected to accelerated ultraviolet-visible (UV-VIS) ageing. Our results show that the extent of transformation depends on the type of polymer, with PP showing the most changes, followed by LDPE, textile fibres and tire particles. Obvious fragmentation was observed in PP and textile fibres. In the case of PP, but not polyester textile fibres, changes in FTIR spectra and surface properties were observed. Tire particles and LDPE did not change in size, but clear changes were observed in their FTIR spectra. Most MPs, aged and pristine, did not affect the swimming of daphnids. The only effect observed was a significant increase in path length and swimming speed for the pristine tire particles when the recording was done with particles remaining in the wells. After transfer to a clean medium, this effect was no longer present, suggesting a physical rather than chemical effect. Similarly, woodlice showed no significant avoidance response to the MPs tested, although there was a noticeable trend to avoid soils contaminated with pristine polyester textile fibers and preference towards the soils contaminated with aged MP of the middle mask layer. Overall, the apparent changes in physico-chemical properties of MPs after accelerated ageing were not reflected in their effects on woodlice and daphnids.