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Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/).
(a) Synthesis of hydrogels,
(b) representative photograph of a
hydrogel, (c) water uptake swelling profiles, and (d) SEM micrographs
of hydrogels fabricated using PEG2K (black) and PEG8K (red) linear
PEG-based precursors.