Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 45, Issue -, Pages 219-232Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2012.10.016
Keywords
Dip coating; Fiber surface; Ionic liquid (IL); Polymeric ionic liquid (PIL); Sample preparation; Sampling; Selectivity; Solid-phase microextraction (SPME); Solvent; Sorbent coating
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Sample preparation is often considered to be a bottleneck in most analytical methods. Solid-phase microextraction (SPME) consolidates sampling and sample preparation into one step. The unique properties of ionic liquids (ILs) and polymeric ILs (PILs) have been exploited as sorbent coatings in SPME. Due to their tunable structures, these materials exhibit unique selectivity for various analytes. This article discusses the overall progression of IL and PIL-based sorbent coatings in SPME. The structural engineering and design of selective sorbent coatings is discussed to demonstrate the versatility of these materials in numerous applications. (C) 2013 Elsevier Ltd. All rights reserved.
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