Catechol-Initiated Polyethers: Multifunctional Hydrophilic Ligands for

Dec 4, 2012 - Furthermore, addressability of the functional groups has been proven, for example, by coupling with fluoresceine isothiocyanate (FITC), ...
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Catechol-Initiated Polyethers: Multifunctional Hydrophilic Ligands for PEGylation and Functionalization of Metal Oxide Nanoparticles Valerie S. Wilms,†,‡ Heiko Bauer,§ Christine Tonhauser,†,‡ Anna-Maria Schilmann,§ Marc-Christian Müller,§ Wolfgang Tremel,§ and Holger Frey*,† Departments of †Organic Chemistry and §Inorganic and Analytical Chemistry, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55099 Mainz, Germany ‡ Graduate School “Materials Science in Mainz”, Staudingerweg 9, 55099 Mainz, Germany S Supporting Information *

ABSTRACT: Bifunctional CA-PEG (catechol-poly(ethylene glycol)) and multifunctional CA-PEG-PGA/PEVGE (poly(glycidyl amine)/poly(ethylene glycol vinyl glycidyl ether)) ligands for the functionalization and solubilization of nanoparticles are introduced. Tunable polymers with polydispersities