Chemistry: electrical and wave energy – Apparatus – Electrolytic
Reexamination Certificate
2008-03-18
2008-03-18
Gilliam, Barbara L. (Department: 4128)
Chemistry: electrical and wave energy
Apparatus
Electrolytic
C204S403020, C204S400000, C204S194000, C205S777500
Reexamination Certificate
active
07344626
ABSTRACT:
Detection of abnormal signal traces in electrochemical measurements generated using an electrochemical test strip to which a potential is applied allows for an indication of an erroneous analyte determination. The current trace has an expected shape in which a peak current is observed a time tpeakafter which there is a decrease in current. To detect abnormal signal traces, the time tpeakis determined experimentally and compared with an expected value, t′peak, and if the difference between the two values to over a predetermined threshold, an error message is provided to the user instead of a test result. The value of t′peakis determined as a function of a mobility term that is determined during a potentiometry phase following the amperometric measurements.
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Harding Ian
Williams Richard
AgaMatrix, Inc.
Dinh Bach
Gilliam Barbara L.
Marina Larson & Associates LLC
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