102 | Polylactic Acid Nanoparticles As Metabolically Active Entities: A Metabolomics and Fluxomics Perspective: Martina Lombardi1|2|3, Vera Abenante2|3, Alessio Trotta2|3, Erwin Pavel Lamparelli1, Federica Montella1, Giovanna Della Porta1, Andrea Viggiano1, Jacopo Troisi1|2|3|4, Antonietta Santoro1 | 1Department of Medicine, Surgery and Dentistry, “Scuola Medica Salernitana”, University of Salerno, Italy; 2Theoreo Srl, Montecorvino Pugliano, Salerno, Italy; 3European Institute of Metabolomics - Fondazione EIM, Baronissi, Salerno, Italy; 4Department of Chemistry and Biology, “A Zambelli”, University of Salerno, Fisciano [SA], Italy. J Biol Res 2026, 99 (s1). https://doi.org/10.4081/jbr.2026.15354.