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Optical image of hydrogels prepared with (a) thiol-ene photoclicked RLP-4AC (20 wt %)_E3CY (1 wt % ), (b) RLP-4AC (20 wt %)_E3CY (2 wt %), (c) photopolymerized RLP-4AC (10 wt %) and (d) E3CY- Ca2+ (1 wt %). [Scale bar: 1 cm]. (e) Time sweep rheographs showing evolution of G’ and G”, confirming in situ hydrogel formation with 2 wt % E3CY.
