Communication
ChemComm
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In summary, we have successfully constructed millimetre-
level precise supramolecular architectures. The photoligation
chemistry of MNB enables PEI and gelatin polyelectrolytes to be
modified on the surface of hydrogels, thereby realizing MSAs of
hydrogels through surface electrostatic interactions. Due to the
spatial controllability of photopatterning, precise MSAs with
different architectures can be designed and implemented, such
as dimers, linear chains and teddy bear heads. We expect that
this surface photopatterning strategy is applicable to specific
interactions with components that have host–guest molecular
recognition, which provides a new potential strategy for the
construction of ordered scaffolds in tissue engineering.
C. Bao proposed and supervised the project. Y. Xue, K. Ye,
X. Wang, Y. Xiang carried out the synthesis, characterizations
and data collection. C. Bao and L. Zhu oversaw the preparation
of the paper with edits from all authors. All the authors
discussed the results and commented on the manuscript.
This work is supported by the Shanghai Sci. Tech. Comm.
(21ZR1415500). We thank the Research Centre of Analysis and
Test of the East China University of Science and Technology for
help with the characterization.
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Conflicts of interest
There are no conflicts to declare.
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