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公开(公告)号：EP0193061A3
公开(公告)日：1987-08-12
申请号：EP86101968
申请日：1986-02-17
CPC分类号： G01N33/521 , C12Q1/54 , Y10T436/104998
摘要： A viability test device wherein the viability of a test composition for the determination of an analyte of interest can be determined by simply wetting the device with ordinary water. The viability device can be prepared in three formats: a control or calibrator device, an internal control device and a self indicating device. Unreacted analyte, or an analog thereof, can be incorporated in a limited defined portion of a dried carrier matrix incorporated with a test composition to provide an internal control test device. When wetted with water, a positive optical response, usually color, indicates the test composition can provide a viable test for the analyte. The internal control test device is particularly advantageously used by diabetics in their own homes where a negative test response could be due to the desired control of the user's condition or due to deterioration of a test composition because of unfavourable storage conditions.
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2.发明公开
公开(公告)号：EP0230229A3
公开(公告)日：1988-03-30
申请号：EP87100165
申请日：1987-01-08
发明人： Ismail, Ibrahim A. , Yip, Teresa
CPC分类号： C12Q1/28 , C12Q2326/12 , Y10S435/805 , Y10S436/904
摘要： A stable test device for the determination of a peroxidatively active substance comprising a carrier containing 1,4-diisopropylbenzene dihydroperoxide and a benzidine indicator in a molar ratio of from 0.9 to 3.0. The composition can be incorporated with a carrier matrix with a ferric chelate to provide ascorbate resistance, important in a urine test for occult blood. The test device is stable under storage and heat stress and can be used to prepare a multitest strip containing a glucose test based on a peroxidase/potassium iodide indicator system.
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