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Fluorous nano oil droplet-loaded colorimetric paper-based analytical device for selective enrichment and detection of perfluorooctanesulfonate.

Created on 07 Sep 2026

Authors

Soraka Iwamoto, Tatsuro Endo, Hideaki Hisamoto

Published in

The Analyst. Sep 07, 2026. Epub Sep 07, 2026.

Abstract

A fluorous nano oil droplet-loaded paper-based analytical device (PAD) was fabricated for simultaneous selective enrichment and colorimetric detection of perfluorooctanesulfonate (PFOS-) during sample flow-through. Increasing sample volume yielded up to 18-fold PFOS- enrichment and enhanced detection sensitivity, whereas interfering anions without fluoroalkyl chains showed no enrichment, demonstrating selective enrichment based on fluorous interactions.

PMID:
42704309
Bibliographic data and abstract were imported from PubMed on 07 Sep 2026.

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