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Jung Hyo Lee, Dai Geun Kim, Na Young Kwon, Geun Seok Jang, Ji Hye Son, Minjung Lee, Hye-Jin Cho, Hee-Seok Kweon and Taek Seung Lee Protein–induced aggregation of fluorescent conjugated polyelectrolytes with sulfonate groups: Synthesis and its sensing application Journal of Polymer Science Part A: Polymer Chemistry 49

Version of Record online: 11 NOV 2010 | DOI: 10.1002/pola.24428

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Anionically charged fluorescent conjugated polyelectrolytes are prepared and exhibit blue emission in aqueous solutions but green or red emission in solid form depending on the conjugation length due to intermolecular exciton migration. They show interesting spectroscopic results such as blue-to-green or blue-to-red changes in fluorescence upon exposure to charged proteins, indicating that the polymers have potential applications in fluorescent array systems for detecting proteins.

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