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METHOD AND APPARATUS FOR DETECTION OF ABNORMAL TRACES DURING ELECTROCHEMICAL ANALYTE DETECTION
METHOD AND APPARATUS FOR DETECTION OF ABNORMAL TRACES DURING ELECTROCHEMICAL ANALYTE DETECTION
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机译:电化学分析物检测中异常痕迹的检测方法和装置
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摘要
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 tpeak after which there is a decrease in current. To detect abnormal signal traces, the time tpeak is 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'peak is determined as a function of a mobility term that is determined during a potentiometry phase following the amperometric measurements.
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