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A Facile Strategy toward Conjugated Polyelectrolyte with Oligopeptide as Pendants for Biological Applications
journal contribution
posted on 2013-06-12, 00:00 authored by Jie Liu, Guangxue Feng, Junlong Geng, Bin LiuWe
report a facile yet efficient strategy to synthesize biofunctionalized
conjugated polyelectrolyte using click reaction between an amphiphilic
oligopeptide (R10) and organic soluble polyfluorene (PF) as an example.
PF-R10 shows the absorption and emission maxima at ∼380 and
∼430 nm in water, respectively. In addition, it exhibits enhanced
fluorescence in acidic circumstance as compared to that in neutral
environment because of reduced aggregation, which is confirmed by
laser light scattering and atomic force microscopy studies. In view
of the penetration property of the grafted R10 peptide, PF-R10 shows
excellent cell uptake and labeling ability in cellular imaging.
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exhibitR 10 peptideforce microscopy studiesamphiphilic oligopeptidenmpenetration propertyabsorptionclick reactionpolyfluorenestrategyPFPendantaggregationemission maximaabilityConjugated PolyelectrolytepolyelectrolyteFacile Strategyimaginglaser lightcell uptakefluorescenceBiological ApplicationsWe reportbiofunctionalizedOligopeptideacidic circumstance
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