PRETREATMENT CARTRIDGE FOR SEPARATING SUBSTANCE AND METHOD OF PRETREATMENT USING THE SAME
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United States of America Patent
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Issued Date -
Sep 13, 2012
app pub date -
Sep 1, 2010
filing date -
Sep 1, 2009
priority date (Note) -
Abandoned
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Abstract
Pretreatment is performed using a pretreatment cartridge for separating substances that is packed with a stationary phase that is coated on its surface with a polymer whose tendency to hydration will change within a temperature range of 0-80° C. and which is capable of changing the affinity between the substance to be separated and the surface of the stationary phase in response to the shrinkage or swelling of the polymer chain due to temperature change. By using this pretreatment cartridge for separating substances, a convenient operation will suffice for a sample solution to be reduced to a solution containing the substance that need be separated from the specimen. If this method of pretreatment is used, useful substances can be separated intact by merely changing the temperature and it becomes possible to perform the subsequent analyzing or fraction collecting operation efficiently.
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