machine read urine test strip machine read urine sodium test strip 2011-02-01T09:48:14Z A solid phase colorimetric assay utilizing a strip of paper, or of plastic with one or more attached pads of paper, impregnated with a reagent that specifically reacts with sodium ions. The strip is dipped into the urine sample, allowed to react for a specified period of time and the results assessed by an automated analyzer, that is, a device designed to follow a predetermined sequence of individual operations repeatedly and essentially without external influence or control. MMO:0000186 machine read urine Na+ test strip measurement_method_ontology mshimoyama urine sodium test strip