Superparamagnetic gadonanotubes are high-performance MRI contrast agents
Balaji Sitharaman(Rice University), Kyle Kissell(Rice University), Keith B. Hartman(Center for Nanoscale Science and Technology), Lesa A. Tran(Center for Nanoscale Science and Technology), A. Baikalov(University of Houston), Irene Rusakova(University of Houston), Yanyi Sun(Superconductor Technologies (United States)), Htet A. Khant(Baylor College of Medicine), Steven J. Ludtke(Baylor College of Medicine), Wah Chiu(Baylor College of Medicine), Sabrina Laus(École Polytechnique Fédérale de Lausanne), Éva Tóth(École Polytechnique Fédérale de Lausanne), Lothar Helm(École Polytechnique Fédérale de Lausanne), André E. Merbach(École Polytechnique Fédérale de Lausanne), Lon J. Wilson(Rice University)
Cited by 346Open Access
Abstract
We report the nanoscale loading and confinement of aquated Gd3+n-ion clusters within ultra-short single-walled carbon nanotubes (US-tubes); these Gd3+n@US-tube species are linear superparamagnetic molecular magnets with Magnetic Resonance Imaging (MRI) efficacies 40 to 90 times larger than any Gd3+-based contrast agent (CA) in current clinical use.
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