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    • 35. 发明申请
    • APPARATUS AND METHOD FOR ACQUIRING, DETECTING, AND ANALYZING CELLS IN A MICROFLUIDIC SYSTEM
    • 在微流感系统中获取,检测和分析细胞的装置和方法
    • US20110076684A1
    • 2011-03-31
    • US12880379
    • 2010-09-13
    • Alexander FREYKarsten HiltawskyDaniel Sickert
    • Alexander FREYKarsten HiltawskyDaniel Sickert
    • C12Q1/68C12M1/34G01N33/53G01N33/574C12Q1/02
    • G01N33/57492B01L3/502761B01L2200/0647B01L2200/10B01L2300/0809B01L2300/0877B01L2400/0487G01N33/56966
    • An apparatus is disclosed for acquiring, detecting, and, optionally, analyzing cells in a biological liquid, which apparatus has a microfluidic system. In at least one embodiment, the apparatus includes at least one microfluidic channel having a small cross-section which is completely or partially coated with cell-specific binding molecules and which has no flow obstacles dividing the fluid flow; at least one apparatus for generating a steady and alterable liquid flow through the microfluidic channel, and optionally at least one apparatus for analyzing the genetic information of the cell. In at least one embodiment, the method includes a sample of a biological liquid being conducted through an apparatus defined above at a defined velocity V1 so that cells possibly present in the sample are bound to the cell-specific binding molecules; the sample of the biological liquid and/or a suitable liquid being conducted one or more times through the apparatus at a (different) defined velocity V2 so that nonspecifically bound constituents of the sample are removed; the cells bound to the cell-specific binding molecules being appropriately detected; and optionally the cells bound in the channel being released and the genetic information of the cells being optionally analyzed, with the ratio of the velocities, V1:V2, being in the range from 1:5 to 1:10.
    • 公开了用于获取,检测和可选地分析生物液体中的细胞的装置,该装置具有微流体系统。 在至少一个实施方案中,该装置包括至少一个具有小截面的微流体通道,其完全或部分涂覆有细胞特异性结合分子,并且没有流动障碍物分流流体流动; 用于产生通过微流体通道的稳定和可变的液体流的至少一个装置,以及可选地用于分析细胞的遗传信息的至少一个装置。 在至少一个实施方案中,该方法包括以限定的速度V1通过上述设备传导的生物液体的样品,使得可能存在于样品中的细胞与细胞特异性结合分子结合; 生物液体样品和/或合适的液体以(不同的)限定速度V2进行一次或多次穿过设备,从而去除样品的非特异性结合的成分; 与细胞特异性结合分子结合的细胞被适当地检测; 并且可选地,在通道中结合的细胞被释放,并且可选地分析细胞的遗传信息,速度比V1:V2在1:5至1:10的范围内。