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    • 37. 发明授权
    • Apparatus and methods for analyte measurement and immunoassay
    • 用于分析物测量和免疫测定的装置和方法
    • US08222024B2
    • 2012-07-17
    • US13198253
    • 2011-08-04
    • Graham DavisImants LauksChao LinCary James Miller
    • Graham DavisImants LauksChao LinCary James Miller
    • C12M3/00
    • G01N33/543B01L3/502723B01L3/50273B01L3/502738B01L2200/10B01L2300/0663B01L2300/0816B01L2300/087B01L2400/0421B01L2400/046B01L2400/0481B01L2400/0683G01N33/54366G01N35/08G01N2035/0436
    • The present invention relates to an apparatus for conducting a variety of assays for the determination of analytes in liquid samples, and relates to the methods for such assays. In particular, the invention relates to a single-use cartridge designed to be adaptable to a variety of real-time assay protocols, preferably assays for the determination of analytes in biological samples using immunosensors or other ligand/ligand receptor-based biosensor embodiments. The cartridge provides novel features for processing a metered portion of a sample, for precise and flexible control of the movement of a sample or second fluid within the cartridge, for the amending of solutions with additional compounds during an assay, and for the construction of immunosensors capable of adaptation to diverse analyte measurements. The disclosed device and methods of use enjoy substantial benefits over the prior art, including simplicity of use by an operator, rapid in situ determinations of one or more analytes, and single-use methodology that minimizes the risk of contamination of both operator and patient. The disclosed invention is adaptable to the point-of-care clinical diagnostic field, including use in accident sites, emergency rooms, surgery, nursing homes, intensive care units, and non-medical environments.
    • 本发明涉及一种用于进行各种测定液体样品中分析物测定的装置,并涉及这种测定方法。 特别地,本发明涉及一种设计成能够适用于各种实时测定方案的单次使用的盒,优选使用免疫传感器或其他基于配体/配体受体的生物传感器实施方案来测定生物样品中分析物的测定。 该盒提供用于处理样品的计量部分的新颖特征,用于精确和灵活地控制盒内样品或第二流体的运动,用于在测定过程中用附加化合物修饰溶液以及用于构建免疫传感器 能够适应不同的分析物测量。 所公开的装置和使用方法相对于现有技术具有实质性的益处,包括操作者的简单使用,一种或多种分析物的快速原位测定,以及使操作者和患者的污染风险最小化的一次性方法。 所公开的发明适用于临床诊断领域,包括在事故现场,急诊室,手术室,疗养院,重症监护室和非医疗环境中的使用。
    • 38. 发明申请
    • METHOD AND APPARATUS FOR DETERMINING AT LEAST ONE HEMOGLOBIN RELATED PARAMETER OF A WHOLE BLOOD SAMPLE
    • 用于确定至少一种HEMOGLOBIN相关参数的全血样品的方法和装置
    • US20110256573A1
    • 2011-10-20
    • US13051705
    • 2011-03-18
    • Graham DavisStephen C. WardlawRobert A. LevineDarryn W. UnfrichtNiten LalpuriaPaul G. Mitsis
    • Graham DavisStephen C. WardlawRobert A. LevineDarryn W. UnfrichtNiten LalpuriaPaul G. Mitsis
    • C12Q1/02C12M1/34
    • G01N33/726G01N15/1475G01N2015/0073
    • A method and apparatus for determining at least one hemoglobin related parameter of a whole blood sample is provided. The method includes the steps of: a) depositing the sample into an analysis chamber adapted to quiescently hold the sample for analysis, the chamber defined by an interior surface of a first panel, and an interior surface of a second panel, and the chamber has a height extending between the interior surfaces of the panels, wherein the chamber is configured to increase the oxygenation state of the sample to a substantially oxygenated state within a predetermined amount of time after entry into the chamber; b) imaging the at least one red blood cell contacting the interior surfaces, and producing image signals; c) determining an optical density of at least a portion of the imaged red blood cell contacting both interior surfaces; and d) determining the at least one hemoglobin related parameter of the red blood cell contacting the interior surfaces, using the determined optical density and a molar extinction coefficient for oxygenated hemoglobin.
    • 提供了一种用于确定全血样品的至少一种血红蛋白相关参数的方法和装置。 该方法包括以下步骤:a)将样品沉积到适于静态保持样品进行分析的分析室中,所述室由第一面板的内表面和第二面板的内表面限定,并且所述室具有 在所述面板的内表面之间延伸的高度,其中所述腔被配置为在进入所述腔室之后的预定量的时间内将所述样品的氧合状态增加到基本上氧合状态; b)对与内表面接触的至少一个红细胞进行成像,并产生图像信号; c)确定接触两个内表面的成像红细胞的至少一部分的光密度; 以及d)使用确定的光密度和氧合血红蛋白的摩尔消光系数来确定与内表面接触的红细胞的至少一种血红蛋白相关参数。