Dual ligand sol-gel sorbent combining superhydrophobicity and Π-Π interaction
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United States of America Patent
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May 31, 2022
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Mar 19, 2021
filing date -
Mar 19, 2021
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Abstract
A method of coating at least one silica capillary using a novel dual ligand sol-gel sorbent and method of manufacture of such sorbent is provided herein. The dual ligand sol-gel sorbent provides superior enrichment effects through simultaneous exploitation of superhydrophobicity of one of the ligands and the ability of the other ligand to undergo π-π interaction with hydrophobic aromatic analytes. Sorbent performance is enhanced both in terms of analyte enrichment and sorbent stability, such as pH stability and solvent stability.
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