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    • 13. 发明授权
    • Method of detecting the concentration of an analyte
    • 检测分析物浓度的方法
    • US07961326B2
    • 2011-06-14
    • US12195997
    • 2008-08-21
    • Joerg MartiniRichard H. BruceFrancisco E. TorresPeter KieselMichael I. RechtJeffrey N. Roe
    • Joerg MartiniRichard H. BruceFrancisco E. TorresPeter KieselMichael I. RechtJeffrey N. Roe
    • A61B5/00G01J3/46
    • A61B5/1459A61B5/0031A61B5/14532G01N21/33G01N21/359
    • A system and method is provided for detecting concentration of an analyte in a fluid. The method comprises detecting an optical property of a first region of two or more regions in a system, the first region located in a container having a reservoir for one or more modifiers of one or more optical properties of the first region. The movement of the one or more modifiers is responsive to changes in concentration of the analyte. A next step detects an optical property of a second region of the two or more regions in the system, the second region located in a container having a reservoir for one or more modifiers of one or more optical properties of the second region. The movement of the one or more modifiers is responsive to changes in concentration of a compound, where the compound is something other than the analyte. The detected optical property of the first region and the detected optical property of the second region are used in embodiments to separate the effect of the analyte on the detected optical property of the first region from the effect of the compound, where the compound is an interfering compound.
    • 提供了用于检测流体中分析物的浓度的系统和方法。 该方法包括检测系统中两个或更多个区域的第一区域的光学性质,位于容器中的第一区域具有用于一个或多个第一区域的一个或多个光学特性的改性剂的储存器。 一种或多种改性剂的运动响应于分析物浓度的变化。 下一步骤检测系统中两个或更多个区域的第二区域的光学性质,位于容器中的第二区域具有用于一个或多个第二区域的一个或多个光学特性的改性剂的储存器。 一种或多种改性剂的运动响应化合物浓度的变化,其中化合物是除分析物以外的物质。 检测到的第一区域的光学特性和第二区域的检测光学特性用于实施例中以将分析物对第一区域的检测光学性质的影响与化合物的影响分开,其中化合物是干扰 复合。
    • 16. 发明授权
    • Method of scanning and light collection for a rare cell detector
    • 稀有细胞检测器的扫描和光采集方法
    • US07280261B2
    • 2007-10-09
    • US11017440
    • 2004-12-20
    • Douglas N. CurryRichard H. BruceRobert T. Krivacic
    • Douglas N. CurryRichard H. BruceRobert T. Krivacic
    • G02B26/08
    • G01N21/6456G01N21/6428G01N2021/6484G01N2201/1085
    • An apparatus images a surface. An imager stage has a planar surface for supporting a sample. A fiber optic bundle has a first end of parallel first fiber ends that are arranged to define an input aperture for viewing the sample on the imager stage. A distal bundle end is arranged to define an output aperture disposed away from the imager stage. A scanning radiation source scans a radiation beam along a path that is perpendicular to the sample on the imager stage. The input aperture of the fiber optic bundle receives a light signal that is produced by the radiation source scan of the imager stage sample. The light signal is transmitted to the bundle output aperture. A photodetector detects the light signal at the distal bundle end, and a processor processes the detected light.
    • 装置对表面进行成像。 成像器台具有用于支撑样品的平坦表面。 光纤束具有平行的第一光纤端的第一端,其布置成限定用于观察成像器台上的样品的输入孔。 远侧束端布置成限定远离成像器台布置的输出孔。 扫描辐射源沿着与成像器台上的样品垂直的路径扫描辐射束。 光纤束的输入孔径接收由成像器台样品的辐射源扫描产生的光信号。 光信号被传输到束输出孔径。 光电检测器检测远侧束端处的光信号,并且处理器处理检测到的光。
    • 17. 发明授权
    • Testing method and configurations for multi-ejector system
    • 多喷射器系统的测试方法和配置
    • US06740530B1
    • 2004-05-25
    • US09718733
    • 2000-11-22
    • Richard H. BruceScott A. ElrodJaan NoolandiDavid A. HorineBabur B. Hadimioglu
    • Richard H. BruceScott A. ElrodJaan NoolandiDavid A. HorineBabur B. Hadimioglu
    • G01N110
    • B01L3/0268B01J19/0046B01J2219/00378B01J2219/00585B01J2219/00596B01J2219/00603B01J2219/00659B01J2219/00693B41J2/14008B41J2002/14322C40B60/14Y10T436/25Y10T436/2575
    • Methods for testing proper operation of drop ejection units in a multi-ejector system are provided to determine whether the drop ejectors have been properly filled and/or the ejectors are emitting fully formed droplets. The methods include testing the ejectors prior to drop ejection. In this method, a priming system is used wherein fluid received by the priming system is ejected onto a test substrate to allow a scanner to determine the existence of the fluids at selected locations. The selected locations are correlated to the drop ejection units to determine which ejection units do not have biofluid or sufficient biofluid. A further method allows for ejection prior to printing, on a test substrate wherein testing for both the fullness of the ejector units as well as proper emission of the ejectors of droplets may be tested. The ejectors after being primed, eject the biofluids which are then scanned and correlated to each individual ejector. A further method provided is a laser scattering method wherein a laser beam is interposed between the drop emission path of the ejectors. Laser detection then determines whether a correlated drop ejector is properly emitting droplets.
    • 提供了用于测试多喷射器系统中液滴喷射单元的正确操作的方法,以确定液滴喷射器是否已经被适当地填充和/或喷射器正在发射完全形成的液滴。 这些方法包括在喷射之前测试喷射器。 在该方法中,使用起动系统,其中由起动系统接收的流体被喷射到测试基板上,以允许扫描仪确定在选定位置处的流体的存在。 所选择的位置与液滴喷射单元相关,以确定哪些喷射单元不具有生物流体或足够的生物流体。 另外的方法允许在打印之前在测试基板上进行喷射,其中可以测试喷射器单元的充满度以及液滴喷射器的适当发射。 喷射器被喷涂后,喷射生物流体,然后将其扫描并与每个喷射器相关联。 提供的另一种方法是激光散射方法,其中激光束插入在喷射器的液滴发射路径之间。 然后,激光检测确定相关的液滴喷射器是否正确地发射液滴。
    • 20. 发明授权
    • Particle analyzer with spatial modulation and long lifetime bioprobes
    • 具有空间调制和长寿命生物探针的粒子分析仪
    • US08723140B2
    • 2014-05-13
    • US13206439
    • 2011-08-09
    • Peter KieselRichard H. BruceMichael Bassler
    • Peter KieselRichard H. BruceMichael Bassler
    • F21V9/16
    • G01N21/6408G01N21/05G01N2021/6413
    • An analyzer includes a flow cell having a flow channel through which a sample passes. A light source excites at least a first particle type in the sample in one or more excitation region(s), and a detector detects light emitted by the excited particle. A spatial filter defines detection regions, wherein light emitted by the particle is transmitted to the detector, and interspersed shielded regions, wherein such light is at least partially blocked from reaching the detector. The light emitted by the excited particle has a response time τ1, and the sample may also contain a component that is excited by the light source and that has a response time τ2
    • 分析器包括具有样品通过的流动通道的流动池。 光源在一个或多个激发区域中激发样品中的至少第一颗粒类型,并且检测器检测被激发颗粒发射的光。 空间滤波器定义检测区域,其中由颗粒发射的光被传输到检测器和散布的屏蔽区域,其中这样的光被至少部分地阻挡到达检测器。 由激发的粒子发射的光具有响应时间τ1,并且样品还可以包含由光源激发的并且具有响应时间τ2<τ1的分量。 激励区域和检测区域被布置成在激发和检测之间提供时间延迟,所述时间延迟被定制以将由第一粒子发射的光与由该部件发射的光隔离。