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Sample pre-concentration tubes with sol-gel surface coatings and/or sol-gel monolithic beds

  • US 20060113231A1
  • Filed: 10/11/2005
  • Published: 06/01/2006
  • Est. Priority Date: 10/23/2000
  • Status: Abandoned Application
First Claim
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1. A microextraction device comprising:

  • a) a hollow capillary, and b) at least one sol-gel extraction medium within said hollow capillary for trapping at least one target analyte, said sol-gel extraction medium chemically bound to the inner surface of said hollow capillary to form a sol-gel extraction medium-loaded capillary.

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