Compositions For Biomedical Applications
First Claim
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1. A composite material comprising:
- a) a polymer matrix comprising a polymer comprising monomer subunits comprising hydroxyl groups, wherein said monomers are linked via a covalent linkage comprising polyethylene glycol subunits;
b) calcium phosphate aggregates distributed within said polymer matrix; and
c) a biomolecule.
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Abstract
The invention relates to composite materials that contain a polymer matrix and aggregates, and in some embodiments, methods of making, and methods of using these materials. Preferably, the aggregates are calcium phosphate aggregates. Preferably, the material is resistant to fracture. In further embodiments, the materials are used in surgical procedures of bone replacement. In further embodiments, the materials contain polyhedral silsesquioxanes and/or biodegradable segments. In further embodiments, the polymer matrix comprises biomolecules.
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Citations
26 Claims
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1. A composite material comprising:
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a) a polymer matrix comprising a polymer comprising monomer subunits comprising hydroxyl groups, wherein said monomers are linked via a covalent linkage comprising polyethylene glycol subunits; b) calcium phosphate aggregates distributed within said polymer matrix; and c) a biomolecule. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A porous composite material comprising:
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a) a polymer matrix comprising a polymer comprising monomer subunits comprising hydroxyl groups, wherein said monomers are linked via a covalent linkage comprising polyethylene glycol subunits; b) calcium phosphate aggregates distributed within said polymer matrix; and c) cells. - View Dependent Claims (13, 14, 15)
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16. A method comprising:
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a) providing a composite material comprising; i) a polymer matrix comprising a polymer comprising monomer subunits comprising hydroxyl groups, wherein said monomers are linked via a covalent linkage comprising polyethylene glycol subunits, and ii) calcium phosphate aggregates distributed within said polymer matrix; b) creating pores in said composite material providing a porous material; c) mixing said porous material with a component selected from the group consisting of cells and biomolecules providing a loaded composite; and d) implanting said loaded composite into a subject. - View Dependent Claims (17, 18, 19)
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20. A material composition made by
a) providing, i) a polymer matrix comprising: -
A) a polymer comprising 2-hydroxyethyl methacrylate subunits, wherein said monomers are linked via a covalent linkage comprising polyethylene glycol subunits, B) calcium phosphate aggregates distributed within said polymer matrix; and ii) a biomolecule; b) mixing said polymer matrix and said biomolecule under conditions such that said biomolecule is absorbed to said material. - View Dependent Claims (21, 22, 23, 24)
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25. A composite material comprising:
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a) a polymer matrix comprising a polymer comprising monomers of 2-hydroxyethyl methacrylate subunits, wherein said monomers are linked via a covalent linkage comprising polyethylene glycol subunits; b) calcium phosphate aggregates distributed within said polymer matrix; and c) a peptide. - View Dependent Claims (26)
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Specification