1
Ernest J Kiser, Edward G Rice, Michael F Tomasco: Visual blood glucose concentration test strip. Lifescan, April 26, 1994: US05306623 (245 worldwide citation)

A separation matrix impregnated with a separating agent separates red blood cells or hemoglobin from whole blood. Upon separation, an impregnated test reagent reacts with the separated substantially clear component fluid to form a colored product which enables a visual or meter test for analyte leve ...


2
Ernest J Kiser, Edward G Rice, Michael F Tomasco: Glucose test strip for whole blood. Lifescan, May 23, 1995: US05418142 (215 worldwide citation)

A separation matrix impregnated with a separating agent separates red blood cells or hemoglobin from whole blood. Upon separation, an impregnated test reagent reacts with the separated substantially clear component fluid to form a colored product which enables a visual or meter test for glucose leve ...


3
Ernest J Kiser, Deborah P Tuohy, John M Dubowik: Test strip for measuring analyte concentration over a broad range of sample volume. Lifescan, May 28, 2002: US06395227 (144 worldwide citation)

A test strip for determining the concentration of an analyte in a body fluid includes a membrane in fluid communication with a porous layer. The membrane and the porous layer are divided into compressed portions, which restrict the capillary flow of the body fluid, and uncompressed portions. The unc ...


4
Ernest J Kiser, Michael F Tomasco, Edward G Rice, Yeung S Yu: Chemical timer for a visual test strip. Lifescan, James Riesenfeld, February 17, 1998: US05719034 (119 worldwide citation)

A chemical timer for a direct-reading reagent test strip changes color a predetermined time after a biological fluid is applied to the strip. The strip measures the concentration of an analyte in the fluid. The timer is a dry coating of an indicator, an enzyme-containing reagent that when hydrated c ...


5
Robert Shartle, Koon wah Leong, Ernest J Kiser: Biological fluid constituent sampling and measurement devices and methods. LifeScan, Carol M LaSalle, Bozicevic Field & Francis, April 5, 2005: US06875613 (112 worldwide citation)

A device for accessing biological fluid, sampling biological fluid constituents and determining the concentration of at least one target constituent within the accessed biological fluid is provided. The device has at least one micro-piercing member used to penetrate the skin to a selected depth and ...


6
Ernest J Kiser, Deborah P Tuohy, John M Dubowik: Method of making a test strip for determining analyte concentration over a broad range of sample volumes. LifeScan, Carol M LaSalle, Bozicevic Field & Francis, September 27, 2005: US06949221 (109 worldwide citation)

A test strip for determining the concentration of an analyte in a body fluid includes a membrane in fluid communication with a porous layer. The membrane and the porous layer are divided into compressed portions, which restrict the capillary flow of the body fluid, and uncompressed portions. The unc ...


7
Maria Teodorczyk, Ernest J Kiser, Lorin P Olson, Devin McAllister, Vadim V Yuzhakov, Koon wah Leong: Electrochemical test strip with an integrated micro-needle and associated methods. Lifescan, December 5, 2006: US07144495 (108 worldwide citation)

Methods and devices for electrochemically detecting a change in the viscosity of a fluid are provided. In the subject methods, a fluid sample (e.g., a whole blood sample) is introduced into an electrochemical test strip's electrochemical cell using a micro-needle integrated into one of oppositely sp ...


8
Robert Shartle, Koon wah Leong, Ernest J Kiser: Biological fluid constituent sampling and measurement devices. LifeScan, April 22, 2008: US07361307 (97 worldwide citation)

A device for accessing biological fluid, sampling biological fluid constituents and determining the concentration of at least one target constituent within the accessed biological fluid is provided. The device has at least one micro-piercing member used to penetrate the skin to a selected depth and ...


9
Ernest J Kiser, James A Latty: Coated membranes. Rohm and Haas Company, Louis F Kline Jr, February 10, 1981: US04250029 (38 worldwide citation)

Novel membranes having two or more coatings of polyelectrolytes with at least one oppositely charged adjacent pair of coatings separated by a neutral layer to reduce charge neutralization, their method of preparation, and use for rejecting ionically charged solutes.


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