2025. COMPARISON OF THE POTENTIAL CHRONIC TOXICITY OF POLYPROPYLENE AND POLYLACTIC ACID TO THE AMPHIPOD GAMMARUS AEQUICAUDA: Francesca BIANDOLINO1, Ermelinda PRATO1, Amalia AMATO1,2, Loredana MANFRA2,5, Giovanni LIBRALATO2,3, Luisa ALBARANO3, Valerio ZUPO6, Maria COSTANTINI2 | 1National Research Council, Water Research Institute (IRSA-CNR), Taranto, Italy; 2Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Naples, Italy; 3Department of Biology, University of Naples Federico II, Naples, Italy; 4Stazione Zoologica Anton Dohrn, Department of Marine Animal Conservation and Public Engagement, Naples, Italy; 5Institute for Environmental Protection and Research (ISPRA), Rome, Italy; 6Stazione Zoologica Anton Dohrn, Department of Ecosustainable Marine Biotechnology, Ischia, Italy. Journal of Biological Research - Bollettino della Società Italiana di Biologia Sperimentale. 98, s2 (Oct. 2025). DOI:https://doi.org/10.4081/jbr.2025.14534.