RT info:eu-repo/semantics/article T1 Toxicological evaluation of MnAl based permanent magnets using different in vitro models A1 Rumbo Lorenzo, Carlos A1 Cancho Espina, Cristina A1 Popov, Vladimir V. A1 Skokov, Konstantin A1 Tamayo Ramos, Juan Antonio K1 Magnetic alloys K1 Toxicity assays K1 Cell lines K1 Yeast K1 Bacteria K1 Química orgánica K1 Chemistry, Organic AB Due to economic, environmental and geopolitical issues, the development of permanent magnets with a composition free of rare earth elements and with acceptable magnetic properties has been considered a priority by the international community, being MnAl based alloys amongst the most promising candidates. The aim of this work was to evaluate the toxicity of powders of two forms of newly developed MnAl(C) permanent magnets through exposure experiments applying three model organisms, using as a benchmark powders of a commercial rare-earth-containing magnet (Nd2Fe14B). For this purpose, the direct exposure to the different particles suspensions as well as to magnets leachates was evaluated. Both viability and oxidative stress assays were applied in an adenocarcinomic human alveolar basal epithelial cell line (A549) and in the yeast Saccharomyces cerevisiae, together with the bioluminescent inhibition assay in the Gram negative bacterium Vibrio fischeri. The obtained results indicate that MnAl(C) permanent magnets, in general terms, presented similar toxicity than the Nd magnet for the selected biological models under the studied conditions. Overall, the presented data provide, for the first time, an in vitro toxicity analysis of MnAl based magnets. PB Elsevier SN 0045-6535 YR 2021 FD 2021-01 LK http://hdl.handle.net/10259/5518 UL http://hdl.handle.net/10259/5518 LA eng NO European Union’s Horizon 2020 NOVAMAG project (NMBP 23-2015, grant agreement N 686056) and from the Junta de Castilla y Leon and the European Social Fund-Youth European Initiative grant UBU-15-A. DS Repositorio Institucional de la Universidad de Burgos RD 23-nov-2024