Journal
MACROMOLECULAR BIOSCIENCE
Volume 9, Issue 8, Pages 754-765Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mabi.200800355
Keywords
adhesives; dextran; hydrogels; PEG; tissue
Funding
- DuPont
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Swellable PEG amine/dextran aldehyde composite materials are emerging as a controlled, biocompatible tissue adhesive. We explain how preservation of natural tissue amines provides biocompatibility for PEG/dextran that exceeds the stringent, destructive cyanide-based chemistry of cyanoacrylates, and adhere far better than fibrin glue. Strategic variations of material composition allow for the improvement of biocompatibility and adhesion strength. Material variations can be tailored to match the needs of specific tissue beds for an array of clinical applications. PEG/dextran cohesive properties are most responsive to variations in the PEG component (number of arms and solid content), while tissue/material adhesion strength is primarily determined by the number of aldehydes in the dextran.
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