Abstract:
A material useful as a MRI contrast agent used for medical imaging, drug delivery platform or other functions are provided as a class of non-gadolinium and non-iron oxide based materials that comprise Prussian blue materials or analogue materials. The materials may be used as T-weighted and/or T-weighted MRI contrast agents for imaging, including cellular imaging, in clinical diagnosis and biomedical research applications. The agent is a compound created from Prussian blue materials that is non-toxic, and can be internalized by cells through endocytosis. The Prussian blue materials may also be used for drug delivery applications. The Prussian blue materials may be administered orally to a subject in either medical imaging or drug delivery applications or dual modality MRI-Fluorescence imaging agent.