Conjugated polydiacetylenes bearing quaternary ammonium groups as a dual colorimetric and fluorescent sensor for ATP

Hyeryeong Jeon, Songyi Lee, Yinhua Li, Sungsu Park, Juyoung Yoon

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

A PDA based sensor, derived from a quaternary ammonium substituted diacetylene monomer, displayed a selective colorimetric change and a large fluorescence enhancement in the presence of ATP at pH 7.0. The ratio between quaternary ammonium monomer and primary amine monomer and control of steric factors were critical points to induce color change. The ATP selective PDA-based chemosensor enabled easy detection of the presence of ATP in 100% aqueous solution by the naked eye.

Original languageEnglish
Pages (from-to)3795-3799
Number of pages5
JournalJournal of Materials Chemistry
Volume22
Issue number9
DOIs
StatePublished - 7 Mar 2012

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