The present invention provides compositions and methods for diagnostic imaging. The composition comprises micelles having an outer shell comprising one or more polymer-flavonoid conjugates, optionally an inner shell comprising one or more flavonoid oligomer, and a diagnostic imaging agent encapsulated within the shells. The present invention also provides methods for performing diagnostic imaging using the compositions.

The invention provides systems and methods for providing a diagnostic examination to a patient, including, but not limited to a determination of the permeability of a patients' body cavity.

The invention provides systems and methods for providing a diagnostic examination to a patient, including, but not limited to a determination of the permeability of a patients' body cavity.

The invention provides novel iron(III) complexes with formulae (1) and (2). Furthermore, corresponding ligands with formulae (L1) and (L2) for the production of iron(III) complexes are disclosed. ##STR00001##