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    • 1. 发明授权
    • Capillary array electrophoresis system
    • 毛细管阵列电泳系统
    • US5938908A
    • 1999-08-17
    • US847735
    • 1997-04-22
    • Takashi AnazawaHideki KambaraSatoshi TakahashiKazumichi ImaiHisanori Nasu
    • Takashi AnazawaHideki KambaraSatoshi TakahashiKazumichi ImaiHisanori Nasu
    • G01N21/64B01D57/02G01N27/447G01N35/00G01N27/26
    • G01N27/44721G01N27/44782G01N2035/00237
    • A capillary electrophoresis system comprising a plurality of capillaries filled with a migration medium in which samples to which fluorephore labels are added migrate, a light source providing an excitation light exciting the fluorephore labels, a photo detector detecting a fluorescence radiated from the fluorephore labels, and light focusing means placed between the plurality of capillaries to which the excitation light is irradiated. The parts of the plurality of capillaries to which the excitation light is irradiated and the light focusing means are arranged in a plane shape. The excitation light is irradiated through the plurality of capillaries and the light focusing means, the capillaries and light focusing means alternatively placed in the parts where an excitation light is irradiated. The light focusing means consisting of cylindrical rod lenses. The axis of the cylindrical rod lenses is placed substantially parallel with the capillaries, which can detect the fluorescence from samples by irradiating a plurality of capillaries substantially at the same time in a batch without mechanical scanning of a plurality of capillaries or without optical scanning of a light beam, providing a highly sensitive detection of samples.
    • 一种毛细管电泳系统,包括填充有迁移介质的多个毛细管,其中添加有荧光标记的样品迁移,提供激发荧光标记的激发光的光源,检测从荧光标记物辐射的荧光的光电检测器,以及 放置在激发光照射到的多个毛细管之间的光聚焦装置。 照射激发光的多个毛细管的部分和光聚焦装置被布置成平面形状。 激发光通过多个毛细管和光聚焦装置照射,毛细管和光聚焦装置交替地放置在照射激发光的部分中。 光聚焦装置由圆柱形棒状透镜组成。 圆柱形棒状透镜的轴线基本上与毛细管平行放置,其可以通过基本上同时照射多个毛细管而检测来自样品的荧光,而不需要对多个毛细管进行机械扫描,或者不进行光学扫描 光束,提供高灵敏度的样品检测。
    • 8. 发明授权
    • Multi-colored electrophoresis pattern reading apparatus
    • 多色电泳模式阅读器
    • US5213673A
    • 1993-05-25
    • US800847
    • 1991-11-29
    • Hitoshi FujimiyaHisanori Nasu
    • Hitoshi FujimiyaHisanori Nasu
    • G01N21/17G01N27/447
    • G01N27/44721
    • A multi-colored electrophoresis pattern reading apparatus is capable of labelling each of plural samples separately with each of plural fluorescent substances having different fluorescence wavelengths, by electrophoresing the plural samples to develop a pattern, exciting the fluorescent substances labelled on the samples to emit fluorescence, and reading a fluorescent pattern emitting the fluorescence. The apparatus contains a source for the light for exciting the fluorescent substances; a light scanning mechanism for scanning the light to irradiate a gel in the direction of its thickness with the light; a light receiving section for receiving fluorescence resulting from the light source separated from the scattered light resulting from a reading surface on the basis of a spatial position relationship of a light receiving path by setting a light receiving surface in a direction different from an optical axis of the irradiating light; an optical filter section for separating the resulting optical signals section into plural wavelengths; an optoelectric conversion section for converting optical signals into electrical signals; and an amplifier for amplifying the electrical signals by an integrating operation corresponding to scanning of the irradiating light, and for generating electrical signals indicative of fluorescence from the pattern one after another.