Electrode arrangements for electrochemical test elements and methods for use thereof
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United States of America Patent
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Jun 23, 2020
Grant Date -
Aug 17, 2017
app pub date -
Apr 17, 2017
filing date -
Nov 3, 2014
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Abstract
Electrode arrangements for test elements, test elements and methods of determining sample sufficiency, monitoring fill time, establishing fill directions and/or confirming electrode coverage by a sample for test elements are disclosed. The test elements have an electrode-support substrate including a spacer having an edge defining a boundary of a capillary channel. The electrode-support substrate also includes a first electrode pair and a second electrode pair, wherein the first electrode pair is positioned between the second electrode pair. The method includes dosing the test sensor with the fluid sample; applying a signal to the first electrode pair and the second electrode pair, detecting a first response to the signal from the first electrode pair, and detecting a second response to the signal from the second electrode pair; determining a time period between the first response and the second response and then applying a measurement test sequence for an analyte of interest on the fluid sample if the time period is less than a first predetermined threshold.
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