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).
Colorimetry is a scientific technique that is used to determine the concentration of colored compounds in solutions by the application of the BeerLambert law (A=elc), which states that the concentration of a solute is proportional to the absorbance.