Texaphyrin solid supports and devices
First Claim
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1. A composition comprising a matrix-supported texaphyrin.
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Abstract
The present invention provides various novel matrix-supported texaphyrins in which a polymeric or solid matrix is covalently modified by the addition of one or more texaphyrins or texaphyrin derivatives. Described are methods of making various polymer-supported texaphyrins, including texaphyrin chromatographic supports, and devices such as catheters, as may be used, for example, in the separation of neutral and anionic species and in applications concerning phosphate ester hydrolysis, other catalytic schemes, MRI, and PDT.
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Citations
44 Claims
- 1. A composition comprising a matrix-supported texaphyrin.
- 21. A method for separating a first molecule from a mixture of at least two molecules comprising the step of contacting a matrix-supported texaphyrin metal complex with said mixture to separate said first molecule.
- 30. A method for hydrolysing a phosphate ester, comprising the step of contacting a matrix-supported texaphyrin metal complex where the metal cation has catalytic activity for ester bond hydrolysis in aqueous solution with the phosphate ester to cleave the ester.
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34. A method of light-induced cleavage of a polymer of deoxyribonucleic acid, the method comprising:
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contacting the polymer with a matrix-supported texaphyrin where the texaphyrin is a photosensitive texaphyrin; and exposing the matrix-supported texaphyrin to light for a time sufficient to cleave the polymer. - View Dependent Claims (35, 36)
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- 37. A method for conducting a chemical reaction catalyzed by a lanthanide metal cation comprising the step of contacting a matrix-supported texaphyrin complexed to a metal cation, where the metal cation is a lanthanide metal cation, with a composition comprising the substrates for the chemical reaction.
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40. A method of magnetic resonance imaging of a subject, comprising:
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administering a matrix-supported texaphyrin complexed to a metal cation, wherein the metal cation is a paramagnetic metal cation, to the subject; and imaging the subject by reference to the matrix-supported texaphyrin.
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42. A method of photodynamic tumor therapy comprising:
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contacting a matrix-supported texaphyrin with a composition suspected of having tumor cells; and photoirradiating the matrix-supported texaphyrin in contact with the composition.
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43. A method for deactivating a retrovirus or an enveloped virus comprising
contacting a matrix-supported texaphyrin with a composition suspected of having a retrovirus or enveloped virus; - and
photoirradiating the matrix-supported texaphyrin in contact with the composition.
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Specification