Journal
NANO LETTERS
Volume 9, Issue 12, Pages 4042-4048Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl902212q
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- ETH Zurich
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We have found catechol-derivative anchor groups which possess irreversible binding affinity to iron oxide and thus can optimally disperse superparamagnetic nanoparticles under physiologic conditions. This not only leads to ultrastable iron oxide nanoparticles but also allows close control over the hydrodynamic diameter and interfacial chemistry. The latter is a crucial breakthrough to assemble functionalized magnetic nanoparticles, e.g., as targeted magnetic resonance contrast agents.
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