Methods for circumventing the problem of free radial reduction a

Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – Magnetic imaging agent

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128653, 128654, 436173, 436803, 436806, 514408, 514645, 530391, 548542, 564300, 424417, 424420, 424450, A61K 4900, A61B 505, A61B 600

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048637173

ABSTRACT:
Nitroxide contrast agents for MRI have a long useful life and can be administered in low concentration doses. Such agents include nitroxide-doped liposomes that encapsulate an oxidant and large molecules having surfaces covered with persistent nitroxide free radicals.

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