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    • 3. 发明申请
    • UPON A CARTRIDGE FOR CONTAINING A SPECIMEN SAMPLE FOR OPTICAL ANALYSIS
    • 包含用于光学分析的样品样品的盒子
    • US20100326587A1
    • 2010-12-30
    • US12876189
    • 2010-09-06
    • Michael KaganGalla Chandra RaoJerry ProhaskaTor Alden
    • Michael KaganGalla Chandra RaoJerry ProhaskaTor Alden
    • B32B17/10
    • B01L3/508B01L2200/0642B01L2200/0689B01L2300/042B01L2300/046G01N21/11G01N35/0098Y10T436/2575
    • An improved cartridge for holding a fluid sample with a small volume is disclosed herein. The cartridge has a test chamber and a vestibule through which the test fluids are inserted into the test chamber. Improved grips are flared-out to aid manipulation. The handle portion is reinforced to prevent flexing, and a prefabricated trough along the edge of the land surface prevents introduction of the adhesive into the region for analysis. The cartridge has a stopper having a dual sealing mechanism, which seals the test chamber inlet between the vestibule and the test chamber, and the mouth of the vestibule so that when the stopper is in place, the test chamber is closed to the admission of air or other contaminants. The vestibule is similarly closed against escape of the overflow from the test chamber. The stopper is composed of a single elastomer. An improved locking mechanism has two flexible walls on either side of the handhold that locks into their respective keepers on the cartridge to provide a secure lock. Additionally, an improved method for loading the cartridge allows for an even distribution of magnetically responsive particles contained within a fluid sample to be viewed in an array through the optically clear land surface portion of the cartridge.
    • 本文公开了一种用于保持具有小体积的流体样品的改进的盒。 盒具有测试室和前庭,测试流体通过该前庭插入测试室。 改进的手柄被展开以帮助操纵。 手柄部分被加强以防止弯曲,并且沿着陆面表面的边缘的预制槽防止粘合剂引入该区域用于分析。 盒具有一个具有双重密封机构的塞子,该密封机构密封前庭和测试室之间的测试室入口以及前庭的口,使得当止动器就位时,测试室被关闭以允许空气 或其他污染物。 前庭也相似地封闭,防止溢出物从测试室逸出。 止动器由单个弹性体组成。 改进的锁定机构在手柄的任一侧具有两个柔性壁,其锁定在其相应的保持器上,以提供安全的锁定。 此外,用于装载盒的改进方法允许包含在流体样品内的磁响应颗粒的均匀分布,以通过盒的光学透明的陆面表面部分在阵列中观察。
    • 6. 发明授权
    • Upon a cartridge for containing a specimen sample for optical analysis
    • 用于容纳用于光学分析的样本样品的盒
    • US07011794B2
    • 2006-03-14
    • US10303309
    • 2002-11-25
    • Michael KaganGalla Chandra RaoJerry ProhaskaTor Alden
    • Michael KaganGalla Chandra RaoJerry ProhaskaTor Alden
    • B01L3/00
    • B01L3/508B01L2200/0642B01L2200/0689B01L2300/042B01L2300/046G01N21/11G01N35/0098Y10T436/2575
    • An improved cartridge for holding a fluid sample with a small volume is disclosed herein. The cartridge has a test chamber and a vestibule through which the test fluids are inserted into the test chamber. Improved grips are flared-out to aid manipulation. The handle portion is reinforced to prevent flexing, and a prefabricated trough along the edge of the land surface prevents introduction of the adhesive into the region for analysis. The cartridge has a stopper having a dual sealing mechanism, which seals the test chamber inlet between the vestibule and the test chamber, and the mouth of the vestibule so that when the stopper is in place, the test chamber is closed to the admission of air or other contaminants. The vestibule is similarly closed against escape of the overflow from the test chamber. The stopper is composed of a single elastomer. An improved locking mechanism has two flexible walls on either side of the handhold that locks into their respective keepers on the cartridge to provide a secure lock. Additionally, an improved method for loading the cartridge allows for an even distribution of magnetically responsive particles contained within a fluid sample to be viewed in an array through the optically clear land surface portion of the cartridge.
    • 本文公开了一种用于保持具有小体积的流体样品的改进的盒。 盒具有测试室和前庭,测试流体通过该前庭插入测试室。 改进的手柄被展开以帮助操纵。 手柄部分被加强以防止弯曲,并且沿着陆面表面的边缘的预制槽防止粘合剂引入该区域用于分析。 盒具有一个具有双重密封机构的塞子,该密封机构密封前庭和测试室之间的测试室入口以及前庭的口,使得当止动器就位时,测试室被关闭以允许空气 或其他污染物。 前庭也相似地封闭,防止溢出物从测试室逸出。 止动器由单个弹性体组成。 改进的锁定机构在手柄的任一侧具有两个柔性壁,其锁定在其相应的保持器上,以提供安全的锁定。 此外,用于装载盒的改进方法允许包含在流体样品内的磁响应颗粒的均匀分布,以通过盒的光学透明的陆面表面部分在阵列中观察。
    • 7. 发明授权
    • Surface immobilization of magnetically collected materials
    • 磁性收集材料的表面固定
    • US5660990A
    • 1997-08-26
    • US516694
    • 1995-08-18
    • Galla Chandra RaoPaul A. Liberti
    • Galla Chandra RaoPaul A. Liberti
    • C12Q1/68G01N33/543C12Q1/70G01N33/53
    • C12Q1/6813C12Q1/6834G01N33/54313Y10S436/807Y10S436/824Y10S977/838Y10S977/853Y10S977/918Y10S977/958Y10S977/96
    • A method for determining the presence and/or concentration of a target substance e.g. protein, nucleic acid, bioparticle etc. in a fluid sample is provided. The method disclosed combines elements of immunoassays, coated cup assays and magnetic particle separation to effect the quantitation and recovery of an analyte in solution. Also the method ensures the non-reorientation of magnetically collected material by linking the magnetic particles to a collection surface via a specific binding pair. This linkage immobilizes the magnetic-analyte-containing material and thus allows for vigorous washing and reagent addition without significant redistribution or displacement. Thus the assay of this invention offers the speed of diffusion controlled kinetics as in a ferrofluid assay, the speed of collection of labeled target substance as in a magnetic assay as well as the ability to magnetically monolayer the ferrofluid, all of which is combined with the ease of washing and signal detection found in a coated cup assay.
    • 用于确定靶物质的存在和/或浓度的方法,例如, 提供了流体样品中的蛋白质,核酸,生物颗粒等。 所公开的方法组合了免疫测定,涂覆杯测定和磁性颗粒分离的元件,以实现溶液中分析物的定量和回收。 此外,该方法通过经由特异性结合对将磁性颗粒连接到收集表面来确保磁性收集材料的非重新取向。 该连接固定了含有磁性分析物的材料,从而允许剧烈的洗涤和试剂添加,而不会有显着的再分配或位移。 因此,本发明的测定提供了如铁磁流体测定中的扩散控制动力学速度,如在磁性测定中收集标记的靶物质的速度以及磁性单层铁磁流体的能力,所有这些都与 在涂层杯测定中发现易洗涤和信号检测。