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(Top: Synthesis of poly(ethylene glycol-block-dihydroxyacetone carbonate); Bottom: (A) Viscosity readings show the MPEG-pDHA hydrogel thixotropic behavior (1% strain, 28 °C). (B) An example of MPEG-pDHA 5,000–5,000 extruded from a 26-gauge needle.)
Reproduced with permission.[140] Copyright © 2010, National Academy of Sciences.
