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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 (

Term:sodium ion-selective electrode method
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Accession:MMO:0000452 term browser browse the term
Definition:An electroanalytical technique which employs a sensor that converts the activity of sodium ions (the chemical element with atomic number 11, that has lost one electron forming a cation with a charge of +1) in a solution into an electrical potential and measures the resulting potential using a voltmeter or potentiometer.
Synonyms:exact_synonym: sodium-specific ion electrode method
 related_synonym: sodium ISE method;   sodium SIE method

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  measurement method 2368
    ex vivo method 1236
      electroanalytical method 0
        ion-selective electrode method 0
          sodium ion-selective electrode method 0
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