Obermeier, BorisWurm, FrederikMangold, ChristineFrey, Holger2011-12-162011-12-162011-12-16201110.1002/anie.201100027https://infoscience.epfl.ch/handle/20.500.14299/73678WOS:000294177500005bioconjugatesepoxidesmultivalencypoly(ethylene glycol)polyethersWeight Hyperbranched PolyglycerolsAnionic Peg DerivativesDrug-Delivery SystemsPendant Amino-GroupsPolyethylene-GlycolBlock-CopolymersEthylene-OxidePolymer TherapeuticsMolecular-WeightIn-VivoMultifunctional Poly(ethylene glycol)stext::journal::journal article::review article