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    • 81. 发明授权
    • Scanning system and method for scanning a plurality of samples
    • 用于扫描多个样本的扫描系统和方法
    • US06563581B1
    • 2003-05-13
    • US09617549
    • 2000-07-14
    • Mark F. OldhamEugene F. Young
    • Mark F. OldhamEugene F. Young
    • G01J330
    • G01N21/6452B01L3/5085B01L2200/025B01L2300/0806B01L2300/0819
    • A system for detecting fluorescence emitted from a plurality of samples in a sample tray is provided. The system generally includes a plurality of lenses positioned in a linear arrangement, a linear actuator configured to translate the plurality of lenses, an excitation light source for generating an excitation light, an excitation light direction mechanism for directing the excitation light to a single lens of the plurality of lenses at a time so that a single sample holder aligned with the lens is illuminated at a time, and an optical detection system for analyzing light from the sample holders. In certain embodiments, the optical detection system includes a light dispersing element configured to spectrally disperse the light from the sample holder being illuminated, and a lens element configured to receive light from the light dispersing element and direct the light onto a light detection device. A method of scanning a sample tray having a plurality of samples positioned in sample holders to detect fluorescence is also provided.
    • 提供了一种用于检测从样品盘中的多个样品发出的荧光的系统。 该系统通常包括以线性布置定位的多个透镜,被配置为平移多个透镜的线性致动器,用于产生激发光的激发光源,用于将激发光引导到单个透镜的激发光方向机构 一次使多个透镜一次照射与镜片对准的单个样品保持器,以及用于分析来自样品保持器的光的光学检测系统。 在某些实施例中,光学检测系统包括光分散元件,其被配置为光谱地分散来自被照亮的样品保持器的光;以及透镜元件,被配置为接收来自光分散元件的光并将光引导到光检测装置。 还提供了扫描具有位于样品架中的多个样品以检测荧光的样品盘的方法。
    • 82. 发明授权
    • Multi-well microfiltration apparatus and method for avoiding cross-contamination
    • 多孔微滤装置及避免交叉污染的方法
    • US06506343B1
    • 2003-01-14
    • US09565202
    • 2000-05-04
    • Kevin S. BodnerAlfred P. MaddenJason H. HalseyMark F. OldhamStephen E. MoringJon Hoshizaki
    • Kevin S. BodnerAlfred P. MaddenJason H. HalseyMark F. OldhamStephen E. MoringJon Hoshizaki
    • B01D3500
    • B01L3/5025B01D61/18B01L3/50255B01L2400/049G01N35/0099G01N35/028G01N35/1074G01N2035/00485G01N2035/102Y10T436/25
    • The present invention provides multi-well plates and column arrays in which samples (e.g., cell lysates containing nucleic acids of interest, such as RNA) can be analyzed and/or processed. In one embodiment, the microfiltration arrangement is a multilayer structure, including (i) a column plate having an array of minicolumns into which samples can be placed, (ii) a discrete filter element disposed in each minicolumn, (iii) a drip-director plate having a corresponding array of drip directors through which filtrate may egress, and (iv) a receiving-well plate having a corresponding array of receiving wells into which filtrate can flow. The invention provides multi-well microfiltration arrangements that are relatively simple to manufacture and that overcome many of the problems associated with the prior arrangements relating to (i) cross-contamination due to wicking across a common filter sheet or (ii) individual filter elements entrapping sample constituents within substantial dead volumes. Further, the invention provides multi-well microfiltration arrangements that adequately support discrete filter elements disposed in the wells without creating substantial preferential flow. Additionally, the invention provides multi-well microfiltration arrangements that avoid cross-contamination due to aerosol formation, pendent drops and/or splattering. Other disclosed features of the invention provide for the automated covering or heat-sealing of filtrate samples separately collected in an array of wells.
    • 本发明提供了多孔板和柱阵列,其中可以分析和/或处理样品(例如,含有目标核酸的细胞裂解物,例如RNA)。 在一个实施方案中,微滤装置是多层结构,包括(i)具有可以放置样品的小柱阵列的柱板,(ii)设置在每个小柱中的离散过滤元件,(iii)滴液导向器 板具有相应的滴液导向器阵列,滤液可以通过其排出;以及(iv)接收孔板,其具有滤液能够流过的相应阵列的接收孔。 本发明提供了相对简单的多孔微量过滤装置,并且克服了许多与先前布置有关的问题,这些问题涉及(i)由于芯毛穿过公共过滤片引起的交叉污染或(ii)截留的单个过滤器元件 大量死体积的样品成分。 此外,本发明提供了多孔微过滤装置,其充分地支撑设置在井中的分立的过滤元件,而不产生实质的优先流动。 此外,本发明提供了多孔微滤装置,其避免了由于气溶胶形成,悬垂滴和/或飞溅而导致的交叉污染。 本发明的其它公开的特征提供了分别收集在孔阵列中的滤液样品的自动覆盖或热封。