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 (http://rgd.mcw.edu/contact/index.shtml).
Any method of assessing the amount or composition of protein, complex organic compounds containing carbon, hydrogen, oxygen, nitrogen, and sulfur consisting of alpha-amino acids joined by peptide linkages, in a sample of urine, the fluid waste product excreted by the kidneys, through the use of colorimetry. Colorimetry is any technique by which the color of an unknown, that is, the color of a sample, is evaluated in terms of the color(s) of a standard or a series of standards. The technique may be visual, photoelectric, or indirect by means of spectrophotometry.