ArticleRSC advances2025
Fabrication of robust polyimide-coated solid phase microextraction fibers for efficient extraction of fifteen polycyclic aromatic hydrocarbons from environmental water.
Article in RSC advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
A novel supporting material was developed by pulling melted glass onto stainless steel, providing a mechanically robust and chemically stable substrate. A polyimide-coated fiber for solid-phase microextraction (SPME) was then fabricated using a simple dipping method. The strong interactions between the polyimide coating and analytes, attributed to abundant unshared electron pairs in the p orbitals of O and N atoms, as well as π electrons in the C[double bond, length as m-dash]O bond and benzene ring, contributed to the high extraction efficiency for sixteen polycyclic aromatic hydrocarbons. The developed polyimide-coated fiber-based SPME method, coupled with gas chromatography-flame ionization detection, exhibited low limits of detection (0.11-1.23 μg L
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