has specified output achieves_planned_objective measurement datum assay analyte measurement objective analyte assay Philippe Rocca-Serra Bjoern Peters Alan Ruttenberg analyte assay Helen Parkinson example of usage: In lab test for blood glucose, the test is the assay, the blood bears evaluant_role and glucose bears the analyte role. The evaluant is considered an input to the assay and the information entity that records the measurement of glucose concentration the output Helen Parkinson Bjoern Peters Philippe Rocca-Serra OBI Planned process branch Alan Ruttenberg An assay with the objective to capture information about the presence, concentration, or amount of an analyte in an evaluant. ready for release