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

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          Abstract

          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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          Author and article information

          Journal
          Macromol Rapid Commun
          Macromolecular rapid communications
          Wiley-Blackwell
          1521-3927
          1022-1336
          May 2017
          : 38
          : 10
          Affiliations
          [1 ] School of Science, MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter and Department of Chemistry, Xi'an Jiaotong University, Xi'an, 710049, China.
          [2 ] State Key Laboratory for Strength and Vibration of Mechanical Structures, International Center for Applied Mechanics and School of Aerospace, Xi'an Jiaotong University, Xi'an, 710049, China.
          [3 ] Laboratory of Nanochemistry, Department of Biophysics and Radiation Biology, Semmelweis University, Nagyváradtér 4, H-1084, Budapest, Hungary.
          Article
          10.1002/marc.201600788
          28295772
          9434ae9c-71b1-497c-88d3-d3e4e70b07b7
          History

          antibacterial activity,biocompatibility,hydrogels,photoluminescence,toughness

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