Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 38, Issue 10, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201600788
Keywords
antibacterial activity; biocompatibility; hydrogels; photoluminescence; toughness
Categories
Funding
- National Natural Science Foundation of China [11674263, 51403172, 51173144]
- International Science and Technology Cooperation Program - Ministry of Science and Technology of China and Shaanxi Province [2013KW14-02]
- Research Fund for the Doctoral Program of Higher Education of China
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
- Fundamental Research Funds for the Central Universities
- Program for the Key Science and Technology Innovative Team of Shaanxi Province [2013KCT-05]
- Collaborative Innovation Center of Suzhou Nano Science and Technology, Suzhou Research Institute [SYG201522, BY2013036]
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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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