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    • 3. 发明授权
    • Combining transmittance detection and chromatographic strip techniques for quantification of analyte in biological fluids
    • 结合透射检测和色谱条技术,用于定量生物液体中的分析物
    • US07186566B2
    • 2007-03-06
    • US10628670
    • 2003-07-28
    • Suyue Qian
    • Suyue Qian
    • G01N33/551
    • G01N21/8483B01L3/502B01L2300/0654B01L2300/0825B01L2400/0406B01L2400/0487G01N33/525G01N33/558
    • Chromatographic strip is used in combination with a transmittance detecting system in a test to quantitate analytes in biological fluid. Chemical reagents or conjugate labels are simply absorbed on the passages' materials of the strip. The substrates, affinity reagents, or antibodies are immobilized on transparent beads in the detection cell of the strip. The biological fluid passes through the strip. The captured analytes are detected by transmittance detection for quantification. Uncaptured elements and interferences in the fluid are drained to the absorbent portion of the strip when the fluid passes the cell as a wash. This chromatographic strip with an analyte capture zone simplifies the procedures that a transmittance detecting system alone cannot overcome. Adjustable light path of the cells in the strip overcome the sensitivity limitation of reflectance detection.
    • 色谱条与透射检测系统结合使用,用于定量生物液体中的分析物。 化学试剂或缀合物标签被简单地吸收在条带的通道材料上。 底物,亲和试剂或抗体固定在条带检测细胞中的透明珠上。 生物液体通过条带。 通过透射检测来检测捕获的分析物进行定量。 当流体作为洗涤物通过电池时,未吸收的元件和流体中的干扰被排出到条带的吸收部分。 具有分析物捕获区的色谱条简化了透射率检测系统无法克服的程序。 条中细胞的可调光路克服了反射率检测的灵敏度限制。