In-vial microextraction (IVME) systems and their method of making
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United States of America Patent
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Dec 26, 2017
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app pub date -
Aug 22, 2016
filing date -
Aug 22, 2016
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Abstract
An in-vial microextraction (IVME) device is a vial with at least a portion of the inner surface having a sol-gel coating that absorbs at least one target analyte. The sol-gel coating is a metal oxide comprising coating that is formed from a tri- and/or tetra-functional metal comprising precursor that condenses to form a gel network. The IVME device can be used to prepare a sample by the contacting of the IVME device with a solution or suspension. An analytical method is enabled where the absorbed analyte from the IVME device is subsequently desorbed with a solvent or solution or thermally desorbed and analyzed using GC-MS or LC-MS or other analytical instrument for separation and detection.
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