not-yet-known not-yet-known not-yet-known unknown TITLE: Hollaender Award 2023: Adventures in applied genetic toxicology RUNNING TITLE: Adventures in genetic toxicology AUTHOR: Rosalie K. Elespuru, PhD ADDRESS: 3741 Thomas Point Rd., Annapolis MD 21403 AFFILIATION: None EMAIL: rosalie.elespuru@gmail.com Key Words: genotoxicity, nanomaterials, FDA safety assessment, cancer risk assessment, DNA damaging agents, mutagenicity Abbreviations MNNG: methylnitronitrosoguanidine, ENNG: ethylnitronitrosoguanidine, MNU: methylnitrosourea; ENU: ethylnitrosourea; NDMA: nitrosodimethylamine; NDEA: nitrosodiethylamine; NMEA: nitrosomethylethylamine; nitric oxide: NO