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    • 8. 发明申请
    • QUANTITATIVE TWO-PHOTON FLOW CYTOMETRY
    • 定量双光子流式细胞术
    • WO2006034046A3
    • 2006-09-14
    • PCT/US2005033189
    • 2005-09-16
    • UNIV MICHIGANYE JING YONGNORRIS THEODORE BZHONG CHENG FRANKBAKER JAMES R
    • YE JING YONGNORRIS THEODORE BZHONG CHENG FRANKBAKER JAMES R
    • A61B10/00A61B5/00A61B8/00
    • G01N15/1459G01N15/1404G01N15/1484G01N2015/1075G01N2015/145G01N2015/1472G01N2015/1493
    • A method and apparatus of multi-dye analysis of particles using flow cytometer. The method includes dying particles to be detected using two or more dyes; urging the particles through a capillary in a non-uniform flow; exciting a first of the particles within the capillary using a multiphoton excitation laser beam causing the two or more dyes each to fluoresce thereby producing a first output signal and a second output signal respectively; and detecting the first output signal and the second output signal. A second of the particles within the capillary being excited using the multiphoton excitation laser beam causing the two or more dyes each to fluoresce thereby producing a third output signal and a forth output signal respectively. The method finally includes comparing a ratio of the first output signal and the second output signal to a ratio of the third output signal and the forth output signal to detect a desired change in the particles.
    • 一种使用流式细胞仪对颗粒进行多染料分析的方法和设备。 该方法包括使用两种或更多种染料将要检测的颗粒染色; 以不均匀的流动推动颗粒通过毛细管; 使用多光子激发激光束激发毛细管内的第一颗粒,使得两种或更多种染料各自发荧光,从而分别产生第一输出信号和第二输出信号; 并检测第一输出信号和第二输出信号。 使用多光子激发激光束激发毛细管内的第二颗粒,使得两种或更多种染料各自发荧光,由此分别产生第三输出信号和第四输出信号。 该方法最终包括将第一输出信号和第二输出信号的比率与第三输出信号和第四输出信号的比率进行比较以检测粒子中的期望变化。