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Cindi L. Dennis, Kathryn L. Krycka, Julie Borchers, Ryan D. Desautels, Johan van Lierop, Natalie F. Huls, Andrew J. Jackson, Cordula Gruettner, Robert Ivkov
… 100nm in hydrodynamic diameter, and composed of magnetic iron oxide and dextran, but with varying iron oxide grain sizes and magnetic and crystalline …