Cytotoxicity of layered metal phosphorus chalcogenides (MPXY) nanoflakes; FePS3, CoPS3, NiPS3 Naziah M. Latiff, Carmen C. Mayorga-Martinez, Bahareh Khezri, Katerina Szokolova, Zdeněk Sofer, Adrian C. Fisher, Martin Pumera* Flatchem 2018, 12(), 1-9