Logo JG-Universität MainzProf. Dr. Axel Müller


348. Müllner, M.; Schallon, A.; Walther, A.; Freitag, R.; Müller, A.H.E.: Clickable, Biocompatible, and Fluorescent Hybrid Nanoparticles for Intracellular Delivery and Optical Imaging, Biomacromolecules 11, 390 (2010) -- DOI: 10.1021/bm901099p

We report a general and facile approach for the fabrication of a new class of near monodisperse hybrid nanoparticles via RAFT polymerization and self-assembly in water. Furthermore, we combine a fluorescent inorganic silica core with a biocompatible polymer shell and a terminal unit susceptible to facile conjugations via click chemistry. A tailoring of the weight fractions of both components allows a tuning of the size of the formed aggregates. Fluorescent properties and the crosslinking into an organic−inorganic hybrid network are realized by copolymerizing a dye-functionalized monomer 1-pyrenebutyl acrylate and a trimethoxysilane-carrying one, (3-acryloxypropyl)trimethoxysilane. The potential of these stabilized and fluorescent nanoparticles as biocompatible carriers for intracellular delivery is demonstrated via in vitro experiments on lung cancer cells.

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Siehe auch:
  • Projekt: DFG MU896/24 (ESF-SONS): Biofunctional Self-Organized Nanostructures (ESF-Projekt BIOSONS)

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