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. 2009;48(7):1234-8.
doi: 10.1002/anie.200805149.

Critical enhancements of MRI contrast and hyperthermic effects by dopant-controlled magnetic nanoparticles

Jung-tak Jang  1 , Hyunsoo Nah, Jae-Hyun Lee, Seung Ho Moon, Min Gyu Kim, Jinwoo Cheon
Affiliations

Critical enhancements of MRI contrast and hyperthermic effects by dopant-controlled magnetic nanoparticles

Jung-tak Jang et al. Angew Chem Int Ed Engl. 2009.

Abstract

Doped up: The incorporation of Zn(2+) dopants in tetrahedral sites leads to the successful magnetism tuning of spinel metal ferrite nanoparticles (see picture). (Zn(0.4)Mn(0.6))Fe(2)O(4) nanoparticles exhibit the highest magnetization value among the metal ferrite nanoparticles. Such high magnetism results in the largest MRI contrast effects (r2=860 mm(-1) s(-1)) reported to date and also huge hyperthermic effects.

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