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Omar S Khalil, Shu Jen Yeh, Xiaomao Wu, Stanislaw Kantor, Charles F Hanna, Tzyy Wen Jeng: Method for modulating light penetration depth in tissue and diagnostic applications using same. Abbott Laboratories, David L Weinstein, May 9, 2006: US07043287 (228 worldwide citation)

Devices and methods for non-invasively measuring at least one parameter of a sample, such as the presence of a disease condition, progression of a disease state, presence of an analyte, or concentration of an analyte, in a biological sample, such as, for example, a body part. In these devices and me ...


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Tzyy Wen Jeng, Shu Jen Yeh, John M Lindberg, Joseph Larry Pezzaniti, Omar S Khalil, Gary M Oosta, Charles F Hanna, Arnold F Stalder, Ete Z Szuts: Method and apparatus for non-invasively measuring the amount of glucose in blood. Abbott Laboratories, David L Weinstein, May 23, 2000: US06067463 (218 worldwide citation)

A method and apparatus for measuring the concentration of an analyte of interest, e.g. glucose, in blood non-invasively, i.e., without penetrating the skin or obtaining a biological sample from the body of a patient. The method and apparatus uses a plurality of measurement channels with appropriate ...


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Tzyy Wen Jeng, Larry L McDowell, Joseph Larry Pezzaniti, Gary M Oosta, Eric B Shain: Reagentless analysis of biological samples by applying mathematical algorithms to smoothed spectra. Abbott Laboratories, Mercahnt & Gould P C, December 4, 2007: US07303922 (130 worldwide citation)

Apparatus and method for determining at least one parameter, e. g., concentration, of at least one analyte, e. g., urea, of a biological sample, e. g., urine. A biological sample particularly suitable for the apparatus and method of this invention is urine. In general, spectroscopic measurements can ...


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Omar S Khalil, Xiaomao Wu, Shu jen Yeh, Charles F Hanna, Stanislaw Kantor, Tzyy Wen Jeng: Optical sensor having a selectable sampling distance for determination of analytes. Abbott Laboratories, David L Weinstein, September 2, 2003: US06615061 (121 worldwide citation)

A method and apparatus for the measurement of trans-cutaneous diffuse reflectance at a single sampling distance for determining the concentration of an analyte in a biological sample, such as, for example, human tissue. The determination of the concentration of the analyte has been found to depend o ...


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Tzyy Wen Jeng, Larry L McDowell, Joseph Larry Pezzaniti, Gary M Oosta, Eric B Shain: Reagentless analysis of biological samples. Abbott Laboratories, David L Weinstein, July 11, 2000: US06087182 (96 worldwide citation)

Apparatus and method for determining at least one parameter, e. g., concentration, of at least one analyte, e. g., urea, of a biological sample, e.g, urine. A biological sample particularly suitable for the apparatus and method of this invention is urine. In general, spectroscopic measurements can b ...


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Diane L Aunet, Gradimir G Gerogevich, Tzyy Wen Jeng, Gary M Oosta, Neal A Siegel: Methods and devices for the separation of plasma or serum from whole blood. Abbott Laboratories, Priscilla E Porembski, Daniel W Collins, Thomas D Brainard, June 12, 1990: US04933092 (85 worldwide citation)

A device and method for permitting the separation of plasma or serum from whole blood. The device comprises a matrix of hydrophilic sintered porous material to which at least one red blood cell agglutinating agent has been applied. According to a first method of using the device, a sample of whole b ...


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Tzyy Wen Jeng, Kristin D Elmore, Gary M Oosta, Terry A Pry: Devices and methods for the collection of a predetermined volume of plasma or serum. Abbott Laboratories, Frank S Ungemach, Daniel R Curry, November 12, 1991: US05064541 (50 worldwide citation)

A device and method for permitting the separation of plasma or serum from whole blood. The device comprises a matrix of hydrophilic sintered porous material to which at least one red blood cell agglutinating agent has been applied. According to a first method of using the device, a sample of whole b ...


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Tzyy Wen Jeng, Larry L McDowell, Joseph Larry Pezzaniti, Gary M Oosta, Eric B Shain: Reagentless analysis of biological samples. Abbott Laboratories, David L Weinstein, August 10, 2004: US06773922 (45 worldwide citation)

Apparatus and method for determining at least one parameter, e.g., concentration, of at least one analyte, e.g., urea, of a biological sample, e.g., urine. A biological sample particularly suitable for the apparatus and method of this invention is urine. In general, spectroscopic measurements can be ...


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