Injectable preformed macroscopic 3-dimensional scaffolds for minimally invasive administration
First Claim
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1. An injectable cell-compatible highly crosslinked cryogel composition comprising open interconnected pores,wherein said cryogel composition comprises at least 75% pores, and wherein said cryogel composition is characterized by shape memory following deformation by compression through a needle, such that said cryogel composition returns to its original undeformed three-dimensional shape less than one second after compression through the needle, andwherein said cryogel composition comprises a cryo-crosslinked alginate polymer, wherein said alginate is methacrylated.
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Abstract
The invention provides polymer compositions for cell and drug delivery.
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Citations
39 Claims
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1. An injectable cell-compatible highly crosslinked cryogel composition comprising open interconnected pores,
wherein said cryogel composition comprises at least 75% pores, and wherein said cryogel composition is characterized by shape memory following deformation by compression through a needle, such that said cryogel composition returns to its original undeformed three-dimensional shape less than one second after compression through the needle, and wherein said cryogel composition comprises a cryo-crosslinked alginate polymer, wherein said alginate is methacrylated.
Specification