093 | Beyond biodegradability: assessing the toxicological footprint of polylactic acid nanoplastics on zebrafish gastrointestinal tract development: Francesca Chiara Cecala1, Giusy Vultaggio1, Martina Di Marco1, Alessandra Maria Vitale1, Rosario Barone1, Francesca Rappa1, Maria Denise Amico1, Erwin Pavel Lamparelli2, Giovanna Della Porta2, Antonietta Santoro2, Francesco Cappello1|4, Federica Scalia3, Marta Anna Szychlinska5 | 1Department of Biomedicine, Neuroscience and Advanced Diagnostics BIND, University of Palermo, Italy; 2Department of Medicine, Surgery and Dentistry, “Scuola Medica Salernitana”, University of Salerno, Italy; 3Department of Medicine and Surgery - Kore University of Enna, Italy; 4Euro-Mediterranean Institute of Science and Technology IEMEST, Palermo, Italy; 5Department of Precision Medicine in Medical, Surgical and Critical Care MePreCC, University of Palermo, Italy. (2026). Journal of Biological Research - Bollettino Della Società Italiana Di Biologia Sperimentale, 99(s1). https://doi.org/10.4081/jbr.2026.15345