Highly sensitive biological and chemical sensors based on reversible fluorescence quenching in a conjugated polymer

The fluorescence of a polyanionic conjugated polymer can be quenched by extremely low concentrations of cationic electron acceptors in aqueous solutions. We report a greater than million-fold amplification of the sensitivity to fluorescence quenching compared with corresponding “molecular excited st...

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Veröffentlicht in:	Proc Natl Acad Sci U S A
Hauptverfasser:	Chen, Liaohai, McBranch, Duncan W., Wang, Hsing-Lin, Helgeson, Roger, Wudl, Fred, Whitten, David G.
Format:	Artigo
Sprache:	Inglês
Veröffentlicht:	National Academy of Sciences 1999
Schlagworte:	Biological Sciences
Online-Zugang:	https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC22909/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/10535914/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.96.22.12287
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