| http://www.w3.org/ns/prov#value | - In a further aspect, the invention features a particle that includes a matrix including a biocompatible block copolymer having at least one block with a glass transition temperature of at most 37??? C. and at least one block with a glass transition temperature of greater than 37??? C. The particle also includes at least one sub-particle that is at least partially disposed within the matrix.
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