Polymeric nanoparticles for protein kinase activity

Abstract

Nanoparticles were prepared from poly-ion complexes, possessing both PEI–FITC–(PKA-specific substrate) (kemptide) and PAA–TRITC, which produce intermolecular FRET; the nanoparticles were dissociated by phosphorylation, presented a strong FITC intensity and can be applied to high-throughput screening for large chemical libraries, for drug discovery of kinase inhibitors.