Water-soluble cationic conjugated polymers: Response to electron-rich bioanalytes

Sébastien Rochat, Timothy M. Swager

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

We report the concise synthesis of a symmetrical monomer that provides a head-to-head pyridine building block for the preparation of cationic conjugated polymers. The obtained poly(pyridinium-phenylene) polymers display appealing properties such as high electron affinity, charge-transport upon n-doping, and optical response to electron-donating analytes. A simple assay for the optical detection of low micromolar amounts of a variety of analytes in aqueous solution was developed. In particular, caffeine could be measured at a 25 μM detection limit. The reported polymers are also suitable for layer-by-layer film formation. 

Original languageEnglish
Pages (from-to)17703-17706
Number of pages4
JournalJournal of the American Chemical Society
Volume135
Issue number47
DOIs
Publication statusPublished - 27 Nov 2013

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