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- W4379140738 endingPage "121959" @default.
- W4379140738 startingPage "121959" @default.
- W4379140738 abstract "The concentration of nanoplastics (NPs) is expected to increase in aquatic environments thus potentially threatening freshwater organisms through interactions with plastic particles that variously float, circulate in the water column or sink into the benthos. Studies into the mechanisms of any NP effects are still scarce, particularly with respect to the regenerative ability of biota for which there is no recognised model organism. The present study therefore aimed to investigate behavioural and regeneration responses of the freshwater planarian Girardia tigrina after 10 days exposed to along a gradient 0.01–10 mg/L of poly (styrene-co-methyl methacrylate) NPs (∼426 ± 175 nm). Exposure to NPs induced a significant reduction in planarian feeding rate even at low concentrations (LOEC of 0.01 mg/L), while head regeneration was delayed in a clear dose response way (LOEC of 0.1 mg/L for blastema length). Planaria locomotion assessed was not affected. Our results highlight the potential adverse effects of exposure to poly (styrene-co-methyl methacrylate) NPs and show that feeding behaviour and regeneration of a freshwater benthic organism can be indicators of the resulting toxicity. Planarians are becoming widely used model organisms in ecotoxicology and can help to address potential effects of plastic polymers on regeneration." @default.
- W4379140738 created "2023-06-03" @default.
- W4379140738 creator A5004395499 @default.
- W4379140738 creator A5016159864 @default.
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- W4379140738 creator A5079994409 @default.
- W4379140738 date "2023-09-01" @default.
- W4379140738 modified "2023-10-11" @default.
- W4379140738 title "Nanoplastic exposure inhibits feeding and delays regeneration in a freshwater planarian" @default.
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