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  • Title: Fluorescent sensor based on a novel conjugated polyfluorene derivative.
    Author: Gao W, Yan M, Ge S, Liu X, Yu J.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2012 Sep; 95():218-23. PubMed ID: 22634413.
    Abstract:
    A novel water-soluble polyfluorene derivative, poly[(9,9-bis(3'-((N,N-dimethylamino)N-ethylammonium)propyl)-2,7-fluorene)-alt-2,7-(9,9-p-divinylbenzene)]dibromide (P-2) was synthesized by the palladium-catalyzed Suzuki coupling reaction and it's quaternized ammonium polyelectrolyte derivatives was obtained through a postpolymerization treatment on the terminal amino groups. The electrochemical and optical properties of the copolymers was fully investigated. The results showed that the new polyfluorene derivative had high electronic conductivity and strong fluorescence, therefore it had good potential to be used in chemical and biological sensors, as shown in optical sensing of bovine albumin (BSA) in this study.
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