Media type: E-Article Title: Biological Magnetometry: Torque on Superparamagnetic Beads in Magnetic Fields Contributor: van Oene, Maarten M.; Dickinson, Laura E.; Pedaci, Francesco; Köber, Mariana; Dulin, David; Lipfert, Jan; Dekker, Nynke H. imprint: American Physical Society (APS), 2015 Published in: Physical Review Letters Language: English DOI: 10.1103/physrevlett.114.218301 ISSN: 0031-9007; 1079-7114 Keywords: General Physics and Astronomy Origination: Footnote: