Closed vedina closed 6 years ago
It exists indeed: https://github.com/enanomapper/ontologies/blob/3868c2ef8f0ef1df68384d53a58f42979294009e/internal/npo-ext.owl#L229-L235
It's not on BioPortal because there is a long overdue release :( BioPortal only shows the released version, not the development version.
missing in https://bioportal.bioontology.org/ontologies/ENM
strangely, in http://specs.enanomapper.net/oecd/ there is
aluminium oxide nanoparticles ENM_9000005 http://purl.enanomapper.org/onto/ENM_9000005