The Clinical Measurement Ontology (CMO), Measurement Methods Ontology (MMO), and Experimental Condition Ontology (XCO) are currently being developed at the Rat Genome Database. For more information about these vocabularies please see Shimoyama et al. Three ontologies to define phenotype measurement data. Front Genet. 2012;3:87. Epub 2012 May 28 or contact us (https://rgd.mcw.edu/rgdweb/contact/contactus.html).
A scaled down version of an analytical method based on the reaction(s) of one or more enzymes, proteins that catalyze chemical reactions of other substances without themselves being destroyed or altered upon completion of those reactions, to assess properties, such as concentration, of a target chemical in small volume samples.