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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0309727 (1999-05-11) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 563 인용 특허 : 16 |
Methods and devices are provided for measuring the concentration of target chemical analytes present in a biological system. Device configuration and/or measurement techniques are employed in order to reduce the effect of interfering species on sensor sensitivity. One important application of the in
Methods and devices are provided for measuring the concentration of target chemical analytes present in a biological system. Device configuration and/or measurement techniques are employed in order to reduce the effect of interfering species on sensor sensitivity. One important application of the invention involves a method and device for monitoring blood glucose values.
[ What is claimed is:] [1.] A method for measuring the concentration of an analyte present in a biological system, said method comprisinga measurement cycle which comprises an extraction step in which a sample containing the analyte is transdermally extracted from the biological system using a sampl
[ What is claimed is:] [1.] A method for measuring the concentration of an analyte present in a biological system, said method comprisinga measurement cycle which comprises an extraction step in which a sample containing the analyte is transdermally extracted from the biological system using a sampling system that is in operative contact with a skin or mucosal surface of said biological system, anda sensing step in which the extracted sample is contacted with sensor means to obtain a measurement signal that is related to analyte concentration,wherein said measurement cycle further comprises a process for selectively favoring analyte-specific signal components over signal components due to interfering species, said process selected from the group consisting of (a) a differential signal process which subtracts non-analyte signal components from the measurement signal, (b) a delay step which is performed between the extraction and sensing steps, (c) a selective electrochemical detection process which is performed during the sensing step, (d) a purge step which is performed after the sensing step, (e) a charge segregation step, and (f) any combination thereof.
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