NEW FIELDS. “The concurrent development of microarrays as the first platform for large-scale gene expression measurements led to the birth of the new field of functional genomics, which quickly expanded to include other biomolecules, namely proteomics and metabolomics for the measurements of protein levels and metabolic intermediates respectively.”
https://bmcsystbiol.biomedcentral.com/articles/10.1186/1752-0509-8-S2-S1