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    • 3. 发明申请
    • Method of classifying counting leucocytes
    • 白细胞计数分类方法
    • US20050202400A1
    • 2005-09-15
    • US10517422
    • 2003-06-23
    • Tomohiro TsujiToshihiro MizukamiAya KonishiYusuke MoriYukie Nakazawa
    • Tomohiro TsujiToshihiro MizukamiAya KonishiYusuke MoriYukie Nakazawa
    • G01N15/00G01N15/14G01N33/52C12Q1/00
    • G01N33/52G01N2015/1477
    • There is provided a method for classifying and counting leukocytes with abnormal DNA amount, which comprises: (1) a step of staining cells in a sample obtained from a hematological sample by treatment with a hemolytic agent to lyse erythrocytes, with a fluorescent dye which can make a difference in the fluorescence intensity at least among mature leukocytes, leukocytes with abnormal DNA amount and immature leukocytes; (2) a step of introducing the sample containing the stained cells into a flow cytometer to measure scattered light and fluorescence of the respective cells; (3) a step of classifying leukocytes and coincidence cells/platelet clumps utilizing a difference in the intensity of a scattered light peak and a difference in the scattered light width; (4) a step of classifying and counting mature leukocytes, leukocytes with abnormal DNA amount and immature leukocytes, utilizing a difference in the scattered light intensity and a difference in the fluorescence intensity of leukocytes classified in the step (3).
    • 提供了一种用于对异常DNA量进行白细胞分类和计数的方法,其包括:(1)通过用溶血剂处理从血液样品获得的样品中的细胞染色红细胞裂解红细胞的步骤,可以使用荧光染料 至少在成熟白细胞,具有异常DNA量的白细胞和未成熟白细胞之间的荧光强度差异; (2)将含有染色细胞的样品引入流式细胞仪中以测量各细胞的散射光和荧光的步骤; (3)利用散射光峰的强度和散射光宽度的差异来分类白细胞和符合细胞/血小板结块的步骤; (4)利用步骤(3)中分类的散射光强度和白细胞的荧光强度差异,对成熟白细胞,具有异常DNA量的白细胞和未成熟白细胞进行分类和计数的步骤。
    • 7. 发明授权
    • Method for classifying and counting leukocytes
    • 白细胞分类和计数方法
    • US07625730B2
    • 2009-12-01
    • US10517422
    • 2003-06-23
    • Tomohiro TsujiToshihiro MizukamiAya KonishiYusuke MoriYukie Nakazawa
    • Tomohiro TsujiToshihiro MizukamiAya KonishiYusuke MoriYukie Nakazawa
    • C12N13/00
    • G01N33/52G01N2015/1477
    • There is provided a method for classifying and counting leukocytes with abnormal DNA amount, which comprises: (1) a step of staining cells in a sample obtained from a hematological sample by treatment with a hemolytic agent to lyse erythrocytes, with a fluorescent dye which can make a difference in the fluorescence intensity at least among mature leukocytes, leukocytes with abnormal DNA amount and immature leukocytes; (2) a step of introducing the sample containing the stained cells into a flow cytometer to measure scattered light and fluorescence of the respective cells; (3) a step of classifying leukocytes and coincidence cells/platelet clumps utilizing a difference in the intensity of a scattered light peak and a difference in the scattered light width; (4) a step of classifying and counting mature leukocytes, leukocytes with abnormal DNA amount and immature leukocytes, utilizing a difference in the scattered light intensity and a difference in the fluorescence intensity of leukocytes classified in the step (3).
    • 提供了一种用于对异常DNA量进行白细胞分类和计数的方法,其包括:(1)通过用溶血剂处理从血液样品获得的样品中的细胞染色红细胞裂解红细胞的步骤,可以使用荧光染料 至少在成熟白细胞,具有异常DNA量的白细胞和未成熟白细胞之间的荧光强度差异; (2)将含有染色细胞的样品引入流式细胞仪中以测量各细胞的散射光和荧光的步骤; (3)利用散射光峰的强度和散射光宽度的差异来分类白细胞和符合细胞/血小板结块的步骤; (4)利用步骤(3)中分类的散射光强度和白细胞的荧光强度差异,对成熟白细胞,具有异常DNA量的白细胞和未成熟白细胞进行分类和计数的步骤。
    • 8. 发明授权
    • Method of classifying and counting leukocytes
    • 白细胞分类和计数方法
    • US07923229B2
    • 2011-04-12
    • US11926918
    • 2007-10-29
    • Tomohiro TsujiToshihiro MizukamiAya KonishiYusuke MoriYukie Nakazawa
    • Tomohiro TsujiToshihiro MizukamiAya KonishiYusuke MoriYukie Nakazawa
    • C12N13/00
    • G01N33/52G01N2015/1477
    • A method for classifying and counting leukocytes, which comprises steps of: staining cells in a sample obtained from a hematological sample by treatment with a hemolytic agent, with a fluorescent dye; introducing the sample containing the stained cells into a flow cytometer to measure first scattered light, second scattered light different from the first scattered light and fluorescence of the respective cells; obtaining scattered light peak intensities and scattered light widths of the respective cells based on the measured first scattered light, obtaining scattered light intensities of the respective cells based on the measured second scattered light, and obtaining fluorescence intensities of the respective cells based on the measured fluorescence light; classifying the cells into a first group and a second group based on the scattered light peak intensities and the scattered light widths, the first group including leukocytes and second group including platelet clumps; classifying the leukocytes included in the first group into at least lymphocytes, monocytes and granulocytes based on the scattered light intensities and the fluorescence intensities; and counting the classified lymphocytes, the classified monocytes and the classified granulocytes.
    • 一种白细胞分类和计数方法,其特征在于包括以下步骤:用溶血剂用荧光染料染色从血液样品中获得的样品中的细胞; 将含有染色细胞的样品引入流式细胞仪中以测量第一散射光,与第一散射光不同的第二散射光和各细胞的荧光; 基于所测量的第一散射光获得各个单元的散射光峰强度和散射光宽度,基于测量的第二散射光获得各个单元的散射光强度,并且基于测量的荧光获得各个单元的荧光强度 光; 基于散射光峰强度和散射光宽度将细胞分类为第一组和第二组,第一组包括白细胞和第二组包括血小板聚集; 基于散射光强度和荧光强度,将第一组中包含的白细胞分类为至少淋巴细胞,单核细胞和粒细胞; 并对分类的淋巴细胞,分类的单核细胞和分类的粒细胞进行计数。