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Merck
  • Injectable Granular Hydrogels with Multifunctional Properties for Biomedical Applications.

Injectable Granular Hydrogels with Multifunctional Properties for Biomedical Applications.

Advanced materials (Deerfield Beach, Fla.) (2018-03-31)
Joshua E Mealy, Jennifer J Chung, Heon-Ho Jeong, David Issadore, Daeyeon Lee, Pavan Atluri, Jason A Burdick
초록

Injectable hydrogels are useful for numerous biomedical applications, such as to introduce therapeutics into tissues or for 3D printing. To expand the complexity of available injectable hydrogels, shear-thinning and self-healing granular hydrogels are developed from microgels that interact via guest-host chemistry. The microgel properties (e.g., degradation, molecule release) are tailored through their crosslinking chemistry, including degradation in response to proteases. When microgels of varied formulations are mixed, complex release and degradation behaviors are observed, including after injection to permit cellular invasion.

MATERIALS
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Sigma-Aldrich
1-Adamantaneacetic acid, 98%