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    • 4. 发明授权
    • Analytical method and apparatus using capillary tube
    • 使用毛细管的分析方法和装置
    • US5211829A
    • 1993-05-18
    • US664604
    • 1991-03-04
    • Kazumichi ImaiMasataka KogaTakehiko KitamoriTsuguo SawadaJiaqi Wu
    • Kazumichi ImaiMasataka KogaTakehiko KitamoriTsuguo SawadaJiaqi Wu
    • G01N25/00G01N21/00G01N27/447G01N29/00G01N30/62G01N30/74G01N30/76G01N35/08
    • G01N30/76G01N27/44717
    • The present invention is applied to an analyzer according to which a sample to be analyzed is moved through a capillary tube in liquid chromatography or capillary-zone electrophoretic method. The capillary tube has a separation zone and a detection zone. The capillary tube in the detection zone has a section in which it can vibrate and both ends of this section are fixed.Analytes of the sample introduced into the analyzer are separated from each other in the separation zone. When each of the separated analytes is led to the area irradiated with beam in the detection zone, the capillary tube in the detection zone vibrates. This vibration phenomenon is brought about by tension fluctuation of the capillary tube caused by intermittent irradiation of the detection zone with an excitation beam and absorption of the excitation beam by the analyte. Concentration of analytes in the sample can be measured by detecting amplitude of the vibration.
    • 本发明应用于分析器,通过液相色谱法或毛细管区电泳方法将待分析样品移动通过毛细管。 毛细管具有分离区和检测区。 检测区域中的毛细管具有能够振动的部分,并且该部分的两端固定。 在分离区中引入分析仪的样品的分析物彼此分离。 当每个分离的分析物被引导到在检测区域中用光束照射的区域时,检测区域中的毛细管管振动。 这种振动现象是由于由激发束间歇地照射检测区域而引起的毛细管的张力波动和被分析物吸收激发光束引起的。 可以通过检测振动的幅度来测量样品中分析物的浓度。