Patent ID: 7909983
Filing Date: 2011-03-22
Classification: C12Q,G01N

Abstract:
1. A method for automatically distinguishing between a control solution and an actual patient/user sample in a biosensor comprising: (a) providing an electrochemical cell comprising: (b) introducing into the electrochemical cell, a control solution having a known, predetermined concentration of the analyte; (c) applying at least one electric pulse configured to oxidize or reduce only the first redox species to the electrochemical cell and measuring a first resulting electrical property of the cell; (d) applying at least one electric pulse configured to oxidize or reduce only the second redox species to the cell and measuring a second resulting electrical property of the cell; (e) comparing the first and second measurements; and (f) determining the presence or absence of a control solution based on the results of the comparison performed in part (e).