This collection includes United States patents for inventions by UT faculty, students and staff that list UT/MCO/MUO as the original assignee (owner). These patents include those assigned to the University of Toledo as well as to the Medical College of Ohio/Medical University of Ohio prior to the merger in 2006. Only granted patents, not patent applications, are included. Use the 'Search within this Series' box to search for keywords in the authors, titles, or abstracts of the patents.
A second sphere contrast enhancing agent for magnetic resonance imaging comprises a paramagnetic metal ion having catecholate ligands coordinated thereto and having water molecules hydrogen bonded to the catecholate ligands.
Dimers which are either esters or amides of (1) a purpurin, a chlorin or a metal complex and (2) hematoporphyrin or a purpurin, a chlorin or a metal complex are disclosed. The purpines and their metal complexes have the structures of FIGS. 1, 7, 14-18, 29-38, 44-48 and 54-58 of the attached drawings. The chlorins and their metal complexes have the formulas of FIGS. 2, 8, 19-28, 39-43 or 49-53 of the attached drawings. Solutions of the purpurins, chlorins and metal complexes which are physiologically acceptable for intravenous administration are also disclosed, as are emulsions or suspensions of the solutions. The solvent for the solutions can be a product of the reaction of ethylene oxide with castor oil. A method for detecting and treating tumors in human and animal patients is also disclosed. The method comprises administering one of the dimers to the patient. For detection, the patient is then illuminated with ultra violet light; for treatment, the patient is illuminated with visible light of a wavelength at which the purpurin, chlorin or complex administered shows an absorption peak or with X rays or other ionizing radiation.Dimers of purpurins, chlorine and metal complexes which can be detected by nuclear magnetic resonance or by an instrument that detects ionizing radiation are also disclosed. The purpurins, chlorins and coplexers of these dimers have the formula of one of FIGS. 1, 2, 7, 8, or 14-58 and a structure which is enriched in an atom that can be detected by nuclear magnetic resonance, e.g., C-13 or N-15, or by an instrument that detects ionizing radiation, e.g., C-14, I-131 or Tc-99m.
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