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Conjugated polyampholytes (CPAs) containing both positive and negative ionic groups in their side-chains were designed and synthesized. Two types of random copolymers were prepared by the incorporation of fluorene, phenylene and 2,1,3-benzothiadiazole (BT) moieties in the main chain. Both quaternary ammonium bromide and carboxylic acid functionalities were introduced successfully in the side-chain...
Two cationic conjugated polyelectrolytes (CPs, P1i and P2i) were synthesized and examined as a fluorescence resonance energy transfer (FRET) donor to fluorescein (Fl)-labeled single-stranded DNA (ssDNA–Fl) using steady-state and time-resolved photoluminescence (PL) spectroscopy. The two polymers have the same π-conjugation with the main structural difference being the presence of the spiro-anthracenyl...
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