DNA coatings the key to self-assembling hydrogels

09/11/2013 | MedGadget.com

The self-assembly that characterizes 4D printing has taken a step closer to reality with bio-compatible hydrogel cubes developed at Harvard, writes Gavin Corley. Researchers managed to get the cubes to assemble as they wished by coating the appropriate sides with DNA strands that caused them to adhere to the correct cubes and not to others. Ultimately, the researchers hope to achieve self-assembling tissue scaffolds.

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