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Reinforced hydrogel network building by a rapid dual-photo-coupling reaction for 3D printing.

Renjie ZhouYujie HuaLipeng YangBingkun BaoQiuning LinLinyong Zhu
Published in: Chemical communications (Cambridge, England) (2023)
A facile hydrogel fabrication strategy based on a simultaneous dual-photo-coupling reaction ( i.e. , photoinduced S -nitrosylation and Schiff base reaction) was reported. This strategy allowed a strengthened three-arm crosslinking network to form in one step and the hydrogels obtained displayed rapid gelation, excellent mechanical strength and biocompatibility for cell encapsulated-3D printing in real time. Our hydrogel fabrication strategy will likely foster advances in biomaterials and the extreme speed and reinforced mechanical strength should significantly benefit 3D printing and related applications.
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