Amstad, EstherFischer, HakonGehring, Andreas U.Textor, MarcusReimhult, Erik2015-04-092015-04-09201110.1002/chem.201003504https://infoscience.epfl.ch/handle/20.500.14299/112950Bind and distort: NitroDOPA, an anchor shown to irreversibly couple dispersants and functional groups to superparamagnetic Fe 3O 4 nanoparticles, can magnetically decouple Fe 3+ in a nanoparticle surface layer. The strong binding of nitroDOPA distorts the Fe 3+ ligand field. This ESR finding sheds light on an important binding mechanism of anchors used for nanoparticle surface modification (see graphic). Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.Magnetic Decoupling of Surface Fe3+ in Magnetite Nanoparticles upon Nitrocatechol-Anchored Dispersant Bindingtext::journal::journal article::research article