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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Human Health Effects Marine & Wildlife Sign in to save

Unveiling the multilevel impact of four water-soluble polymers on Daphnia magna: From proteome to behaviour (a case study)

Journal of Hazardous Materials 2024 8 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 55 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Stefano Magni, Stefano Magni, Stefano Magni, Stefano Magni, Andrea Binelli Andrea Binelli Andrea Binelli Lara Nigro, Riccardo Sbarberi, Camilla Della Torre, Stefano Magni, Stefano Gazzotti, Camilla Della Torre, Stefano Magni, Stefano Gazzotti, Stefano Gazzotti, Stefano Gazzotti, Stefano Gazzotti, Andrea Binelli Andrea Binelli Riccardo Sbarberi, Stefano Magni, Stefano Magni, Stefano Magni, Marco Aldo Ortenzi, Camilla Della Torre, Stefano Magni, Lara Nigro, Stefano Gazzotti, Stefano Gazzotti, Marco Aldo Ortenzi, Camilla Della Torre, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Camilla Della Torre, Camilla Della Torre, Stefano Magni, Stefano Magni, Stefano Magni, Riccardo Sbarberi, Riccardo Sbarberi, Stefano Gazzotti, Stefano Gazzotti, Stefano Gazzotti, Stefano Gazzotti, Lara Nigro, Camilla Della Torre, Marco Aldo Ortenzi, Stefano Magni, Stefano Gazzotti, Stefano Gazzotti, Camilla Della Torre, Camilla Della Torre, Andrea Binelli Stefano Gazzotti, Camilla Della Torre, Stefano Magni, Riccardo Sbarberi, Camilla Della Torre, Camilla Della Torre, Camilla Della Torre, Stefano Magni, Stefano Magni, Lara Nigro, Camilla Della Torre, Marco Aldo Ortenzi, Camilla Della Torre, Marco Aldo Ortenzi, Andrea Binelli Stefano Magni, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Camilla Della Torre, Camilla Della Torre, Stefano Magni, Andrea Binelli Andrea Binelli Andrea Binelli Andrea Binelli Andrea Binelli Silvia Giorgia Signorini, Camilla Della Torre, Marco Aldo Ortenzi, Stefano Magni, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Andrea Binelli Marco Aldo Ortenzi, Marco Aldo Ortenzi, Stefano Gazzotti, Stefano Gazzotti, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Riccardo Sbarberi, Marco Aldo Ortenzi, Marco Aldo Ortenzi, Stefano Magni, Stefano Gazzotti, Andrea Binelli Marco Aldo Ortenzi, Camilla Della Torre, Stefano Gazzotti, Camilla Della Torre, Andrea Binelli Andrea Binelli Camilla Della Torre, Andrea Binelli Camilla Della Torre, Andrea Binelli

Summary

This study investigated the effects of four common water-soluble polymers, including polyvinyl alcohol and polyethylene glycol, on the freshwater organism Daphnia magna. Researchers found that these widely used industrial chemicals can affect the organisms at multiple biological levels, from protein expression changes to altered swimming behavior, indicating that water-soluble polymers deserve more attention as aquatic pollutants.

Polymers
Body Systems
Models
Study Type Environmental

The ubiquitous presence of water-soluble polymers (WSPs) in freshwater environments raises concerns regarding potential threats to aquatic organisms. This study investigated, for the first time, the effects of widely used WSPs -polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), polyacrylic acid (PAA), and polyethylene glycol (PEG)- using a multi-level approach in the freshwater biological model Daphnia magna. This integrated assessment employed a suite of biomarkers, evaluation of swimming behaviour, and proteomic analysis to investigate the effects of three environmentally relevant concentrations (0.001, 0.5, and 1 mg/L) of the tested WSPs from molecular to organismal levels, assessing both acute and chronic effects. Our findings reveal that exposure to different WSPs induces specific responses at each biological level, with PEG being the only WSP inducing lethal effects at 0.5 mg/L. At the physiological level, although all WSPs impacted both swimming performance and heart rate of D. magna specimens, PAA exhibited the greatest effects on the measured behavioural parameters. Furthermore, proteomic analyses demonstrated altered protein profiles following exposure to all WSPs, with PVA emerging as the most effective.

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