Dual-Physical Cross-Linked Tough and Photoluminescent Hydrogels with Good Biocompatibility and Antibacterial Activity.

Published on May 1, 2017in Macromolecular Rapid Communications4.886
· DOI :10.1002/MARC.201600788
Chen Hu4
Estimated H-index: 4
(Xi'an Jiaotong University),
Mei Xiang Wang6
Estimated H-index: 6
(Xi'an Jiaotong University)
+ 3 AuthorsYong Mei Chen33
Estimated H-index: 33
(Xi'an Jiaotong University)
Development of novel photoluminescent hydrogels with toughness, biocompatibility, and antibiosis is important for the applications in biomedical field. Herein, novel tough photoluminescent lanthanide (Ln)-alginate/poly(vinyl alcohol) (PVA) hydrogels with the properties of biocompatibility and antibiosis have been facilely synthesized by introducing hydrogen bonds and coordination bonds into the interpenetrating networks of Na-alginate and PVA, via approaches of frozen-thawing and ion-exchanging. The resultant hydrogels exhibit high mechanical strength (0.6 MPa tensile strength, 5.0 tensile strain, 6.0 MPa compressive strength, and 900 kJ m−3 energy dissipation under 400% stretch), good photoluminescence as well as biocompatibility and antibacterial activity. The design strategy provides a new avenue for the fabrication of multifunctional photoluminescent hydrogels based on biocompatible polymers.
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