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    • 9. 发明授权
    • Apparatus for adsorption detection
    • 吸附检测装置
    • US5110558A
    • 1992-05-05
    • US450293
    • 1989-12-13
    • Thomas R. Romer
    • Thomas R. Romer
    • B01L3/14G01N21/64G01N30/38G01N30/74G01N33/52G01N33/569
    • B01L3/5082G01N30/38G01N33/528G01N33/56961G01N2030/381G01N21/64G01N30/74Y10T436/255
    • A method and apparatus for adsorption and detection of adsorbents or analytes. The method and apparatus can be employed in the field for rapid adsorption of analytes and is particularly useful for detection of mycotoxins. A sample to be analyzed is prepared in solution and placed in a test tube. A tube-like adsorption column having a seal and a valve member is forcefully fed into the test tube to force solutions through the valve member into the columun and through a filter and adsorbent to trap interferences. The semi-purified solution may then be analyzed for the presence of analytes. The column with the purified solution may be further employed with a second smaller adsorption column similarly equipped with a seal and valve member fitting within the first column. In similar fashion the second column may be forced into the first column to expel the solution therein into the second column and through one or more selective adsorbents for different analytes such as one or more mycotoxins. Detection of the adsorbed analyte may be made by shining a fluorescent or "black" light on the adsorbent which fluoresces to indicate presence of the analyte.
    • 吸附剂或分析物的吸附和检测方法和装置。 该方法和装置可用于现场快速吸附分析物,并且特别适用于检测霉菌毒素。 将待分析的样品在溶液中制备并置于试管中。 具有密封件和阀构件的管状吸附塔被强制地供给到试管中,以迫使溶液通过阀构件进入气缸并通过过滤器和吸附剂来捕获干扰。 然后可以分析半纯化溶液的分析物的存在。 具有纯化溶液的柱可以进一步与第二较小吸附塔一起使用,第二较小的吸附塔类似地配备有在第一塔内配合的密封件和阀构件。 以类似的方式,第二柱可以被迫进入第一塔以将其中的溶液排出到第二塔中,并且通过一种或多种选择性吸附剂用于不同分析物例如一种或多种霉菌毒素。 吸附的分析物的检测可以通过在吸附剂上照射荧光或“黑色”光来形成,以指示分析物的存在。