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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0491272 (2014-09-19) |
등록번호 | US-9933385 (2018-04-03) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 558 |
A method of distinguishing a control solution from a sample in an electrochemical test sensor is performed. The method includes adding a control marker to the control solution. The control solution includes the control marker and analyte. The test sensor includes working and counter electrodes, and
A method of distinguishing a control solution from a sample in an electrochemical test sensor is performed. The method includes adding a control marker to the control solution. The control solution includes the control marker and analyte. The test sensor includes working and counter electrodes, and a reagent. A potential is applied to the test sensor to oxidize the control marker and the analyte. The resulting electrical current is measured. A potential is applied to the test sensor lower than the other potential in which the potential is sufficient to oxidize the analyte and not the control marker. The resulting electrical current is measured. Determining whether a control solution or a sample is present based on the measured electrical currents. To increase the measured current, a salt may be added to the control solution in an amount sufficient to increase the electrical current by at least 5% as compared to a control solution in the absence of a salt.
1. A method of using an electrochemical test sensor, the method comprising the acts of: introducing a fluid sample to the electrochemical test sensor;applying a pulse sequence to the fluid sample, the pulse sequence comprising at least two duty cycles within 180 seconds, at least one of the duty cyc
1. A method of using an electrochemical test sensor, the method comprising the acts of: introducing a fluid sample to the electrochemical test sensor;applying a pulse sequence to the fluid sample, the pulse sequence comprising at least two duty cycles within 180 seconds, at least one of the duty cycles having a first potential in a first excitation period and a first relaxation period, and after one of the duty cycles, providing a second potential to the sample, the second potential being greater than the first potential, the second potential being supplied after a second relaxation period, the second relaxation period being less than the first relaxation period;measuring a first current at the first potential responsive to an analyte;measuring a second current at the second potential responsive to the analyte; anddetermining whether the fluid sample is a control solution or an analyte-fluid test sample based on the measured first and second currents. 2. The method of claim 1 wherein at least one of the first and second relaxation periods uses an open circuit. 3. The method of claim 2 wherein the first and second relaxation periods use an open circuit. 4. The method of claim 1 wherein each of the duty cycles uses the first potential. 5. The method of claim 1 wherein the at least two duty cycles are from 3 to 18 duty cycles. 6. The method of claim 5 wherein the at least two duty cycles are from 3 to 10 duty cycles. 7. The method of claim 6 wherein the at least two duty cycles are performed in 30 seconds or less. 8. The method of claim 1 wherein the at least two duty cycles are 3 to 8 duty cycles and are performed in 3 to 16 seconds.
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