Contrast enhancing agent having a polymeric core and polymeric shell
First Claim
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1. An image enhancing agent comprising:
- a polymeric core having an image-enhancing compound chemically bound thereto; and
a polymeric shell surrounding said core and compound, wherein said core comprises a polymer formed from a monomer mixture comprising between 10 and 90% acid monomer, and 10 and 90% esterified monomer, and wherein said compound is a metal that binds to acidic regions in said core.
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Abstract
The present invention pertains to an image enhancing agent having a polymeric core including an image-enhancing compound chemically bound thereto and a polymeric shell surrounding the core and compound. The agent may be used for enhancing MRI images, by introducing gadolinium or other appropriate material into the core. Generally, the core is formed from an acid monomer and an esterified monomer. Preferably, a cross-linking monomer is included in the core.
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Citations
10 Claims
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1. An image enhancing agent comprising:
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a polymeric core having an image-enhancing compound chemically bound thereto; and
a polymeric shell surrounding said core and compound, wherein said core comprises a polymer formed from a monomer mixture comprising between 10 and 90% acid monomer, and 10 and 90% esterified monomer, and wherein said compound is a metal that binds to acidic regions in said core. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification